diff options
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event_intel.c')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_intel.c | 3774 |
1 files changed, 0 insertions, 3774 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c deleted file mode 100644 index a667078a5180..000000000000 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ /dev/null @@ -1,3774 +0,0 @@ -/* - * Per core/cpu state - * - * Used to coordinate shared registers between HT threads or - * among events on a single PMU. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/stddef.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/export.h> -#include <linux/nmi.h> - -#include <asm/cpufeature.h> -#include <asm/hardirq.h> -#include <asm/apic.h> - -#include "perf_event.h" - -/* - * Intel PerfMon, used on Core and later. - */ -static u64 intel_perfmon_event_map[PERF_COUNT_HW_MAX] __read_mostly = -{ - [PERF_COUNT_HW_CPU_CYCLES] = 0x003c, - [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0, - [PERF_COUNT_HW_CACHE_REFERENCES] = 0x4f2e, - [PERF_COUNT_HW_CACHE_MISSES] = 0x412e, - [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c4, - [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c5, - [PERF_COUNT_HW_BUS_CYCLES] = 0x013c, - [PERF_COUNT_HW_REF_CPU_CYCLES] = 0x0300, /* pseudo-encoding */ -}; - -static struct event_constraint intel_core_event_constraints[] __read_mostly = -{ - INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */ - INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */ - INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */ - INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */ - INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */ - INTEL_EVENT_CONSTRAINT(0xc1, 0x1), /* FP_COMP_INSTR_RET */ - EVENT_CONSTRAINT_END -}; - -static struct event_constraint intel_core2_event_constraints[] __read_mostly = -{ - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ - INTEL_EVENT_CONSTRAINT(0x10, 0x1), /* FP_COMP_OPS_EXE */ - INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */ - INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */ - INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */ - INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */ - INTEL_EVENT_CONSTRAINT(0x18, 0x1), /* IDLE_DURING_DIV */ - INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */ - INTEL_EVENT_CONSTRAINT(0xa1, 0x1), /* RS_UOPS_DISPATCH_CYCLES */ - INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* ITLB_MISS_RETIRED (T30-9) */ - INTEL_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED */ - EVENT_CONSTRAINT_END -}; - -static struct event_constraint intel_nehalem_event_constraints[] __read_mostly = -{ - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ - INTEL_EVENT_CONSTRAINT(0x40, 0x3), /* L1D_CACHE_LD */ - INTEL_EVENT_CONSTRAINT(0x41, 0x3), /* L1D_CACHE_ST */ - INTEL_EVENT_CONSTRAINT(0x42, 0x3), /* L1D_CACHE_LOCK */ - INTEL_EVENT_CONSTRAINT(0x43, 0x3), /* L1D_ALL_REF */ - INTEL_EVENT_CONSTRAINT(0x48, 0x3), /* L1D_PEND_MISS */ - INTEL_EVENT_CONSTRAINT(0x4e, 0x3), /* L1D_PREFETCH */ - INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */ - INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */ - EVENT_CONSTRAINT_END -}; - -static struct extra_reg intel_nehalem_extra_regs[] __read_mostly = -{ - /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ - INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0), - INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x100b), - EVENT_EXTRA_END -}; - -static struct event_constraint intel_westmere_event_constraints[] __read_mostly = -{ - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ - INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */ - INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */ - INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */ - INTEL_EVENT_CONSTRAINT(0xb3, 0x1), /* SNOOPQ_REQUEST_OUTSTANDING */ - EVENT_CONSTRAINT_END -}; - -static struct event_constraint intel_snb_event_constraints[] __read_mostly = -{ - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ - INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */ - INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */ - INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ - INTEL_UEVENT_CONSTRAINT(0x06a3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */ - INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.PENDING */ - INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ - INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */ - INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */ - INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ - - INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */ - INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */ - INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */ - INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */ - - EVENT_CONSTRAINT_END -}; - -static struct event_constraint intel_ivb_event_constraints[] __read_mostly = -{ - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ - INTEL_UEVENT_CONSTRAINT(0x0148, 0x4), /* L1D_PEND_MISS.PENDING */ - INTEL_UEVENT_CONSTRAINT(0x0279, 0xf), /* IDQ.EMTPY */ - INTEL_UEVENT_CONSTRAINT(0x019c, 0xf), /* IDQ_UOPS_NOT_DELIVERED.CORE */ - INTEL_UEVENT_CONSTRAINT(0x02a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_LDM_PENDING */ - INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */ - INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */ - INTEL_UEVENT_CONSTRAINT(0x06a3, 0xf), /* CYCLE_ACTIVITY.STALLS_LDM_PENDING */ - INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ - INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */ - INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ - - INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */ - INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */ - INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */ - INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */ - - EVENT_CONSTRAINT_END -}; - -static struct extra_reg intel_westmere_extra_regs[] __read_mostly = -{ - /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ - INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0), - INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0xffff, RSP_1), - INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x100b), - EVENT_EXTRA_END -}; - -static struct event_constraint intel_v1_event_constraints[] __read_mostly = -{ - EVENT_CONSTRAINT_END -}; - -static struct event_constraint intel_gen_event_constraints[] __read_mostly = -{ - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ - EVENT_CONSTRAINT_END -}; - -static struct event_constraint intel_slm_event_constraints[] __read_mostly = -{ - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* pseudo CPU_CLK_UNHALTED.REF */ - EVENT_CONSTRAINT_END -}; - -struct event_constraint intel_skl_event_constraints[] = { - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ - INTEL_UEVENT_CONSTRAINT(0x1c0, 0x2), /* INST_RETIRED.PREC_DIST */ - EVENT_CONSTRAINT_END -}; - -static struct extra_reg intel_knl_extra_regs[] __read_mostly = { - INTEL_UEVENT_EXTRA_REG(0x01b7, - MSR_OFFCORE_RSP_0, 0x7f9ffbffffull, RSP_0), - INTEL_UEVENT_EXTRA_REG(0x02b7, - MSR_OFFCORE_RSP_1, 0x3f9ffbffffull, RSP_1), - EVENT_EXTRA_END -}; - -static struct extra_reg intel_snb_extra_regs[] __read_mostly = { - /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ - INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3f807f8fffull, RSP_0), - INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3f807f8fffull, RSP_1), - INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd), - EVENT_EXTRA_END -}; - -static struct extra_reg intel_snbep_extra_regs[] __read_mostly = { - /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ - INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0), - INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1), - INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd), - EVENT_EXTRA_END -}; - -static struct extra_reg intel_skl_extra_regs[] __read_mostly = { - INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0), - INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1), - INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd), - /* - * Note the low 8 bits eventsel code is not a continuous field, containing - * some #GPing bits. These are masked out. - */ - INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE), - EVENT_EXTRA_END -}; - -EVENT_ATTR_STR(mem-loads, mem_ld_nhm, "event=0x0b,umask=0x10,ldlat=3"); -EVENT_ATTR_STR(mem-loads, mem_ld_snb, "event=0xcd,umask=0x1,ldlat=3"); -EVENT_ATTR_STR(mem-stores, mem_st_snb, "event=0xcd,umask=0x2"); - -struct attribute *nhm_events_attrs[] = { - EVENT_PTR(mem_ld_nhm), - NULL, -}; - -struct attribute *snb_events_attrs[] = { - EVENT_PTR(mem_ld_snb), - EVENT_PTR(mem_st_snb), - NULL, -}; - -static struct event_constraint intel_hsw_event_constraints[] = { - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ - INTEL_UEVENT_CONSTRAINT(0x148, 0x4), /* L1D_PEND_MISS.PENDING */ - INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ - INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */ - /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ - INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4), - /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */ - INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4), - /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */ - INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), - - INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */ - INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */ - INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */ - INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */ - - EVENT_CONSTRAINT_END -}; - -struct event_constraint intel_bdw_event_constraints[] = { - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ - INTEL_UEVENT_CONSTRAINT(0x148, 0x4), /* L1D_PEND_MISS.PENDING */ - INTEL_UBIT_EVENT_CONSTRAINT(0x8a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_MISS */ - EVENT_CONSTRAINT_END -}; - -static u64 intel_pmu_event_map(int hw_event) -{ - return intel_perfmon_event_map[hw_event]; -} - -/* - * Notes on the events: - * - data reads do not include code reads (comparable to earlier tables) - * - data counts include speculative execution (except L1 write, dtlb, bpu) - * - remote node access includes remote memory, remote cache, remote mmio. - * - prefetches are not included in the counts. - * - icache miss does not include decoded icache - */ - -#define SKL_DEMAND_DATA_RD BIT_ULL(0) -#define SKL_DEMAND_RFO BIT_ULL(1) -#define SKL_ANY_RESPONSE BIT_ULL(16) -#define SKL_SUPPLIER_NONE BIT_ULL(17) -#define SKL_L3_MISS_LOCAL_DRAM BIT_ULL(26) -#define SKL_L3_MISS_REMOTE_HOP0_DRAM BIT_ULL(27) -#define SKL_L3_MISS_REMOTE_HOP1_DRAM BIT_ULL(28) -#define SKL_L3_MISS_REMOTE_HOP2P_DRAM BIT_ULL(29) -#define SKL_L3_MISS (SKL_L3_MISS_LOCAL_DRAM| \ - SKL_L3_MISS_REMOTE_HOP0_DRAM| \ - SKL_L3_MISS_REMOTE_HOP1_DRAM| \ - SKL_L3_MISS_REMOTE_HOP2P_DRAM) -#define SKL_SPL_HIT BIT_ULL(30) -#define SKL_SNOOP_NONE BIT_ULL(31) -#define SKL_SNOOP_NOT_NEEDED BIT_ULL(32) -#define SKL_SNOOP_MISS BIT_ULL(33) -#define SKL_SNOOP_HIT_NO_FWD BIT_ULL(34) -#define SKL_SNOOP_HIT_WITH_FWD BIT_ULL(35) -#define SKL_SNOOP_HITM BIT_ULL(36) -#define SKL_SNOOP_NON_DRAM BIT_ULL(37) -#define SKL_ANY_SNOOP (SKL_SPL_HIT|SKL_SNOOP_NONE| \ - SKL_SNOOP_NOT_NEEDED|SKL_SNOOP_MISS| \ - SKL_SNOOP_HIT_NO_FWD|SKL_SNOOP_HIT_WITH_FWD| \ - SKL_SNOOP_HITM|SKL_SNOOP_NON_DRAM) -#define SKL_DEMAND_READ SKL_DEMAND_DATA_RD -#define SKL_SNOOP_DRAM (SKL_SNOOP_NONE| \ - SKL_SNOOP_NOT_NEEDED|SKL_SNOOP_MISS| \ - SKL_SNOOP_HIT_NO_FWD|SKL_SNOOP_HIT_WITH_FWD| \ - SKL_SNOOP_HITM|SKL_SPL_HIT) -#define SKL_DEMAND_WRITE SKL_DEMAND_RFO -#define SKL_LLC_ACCESS SKL_ANY_RESPONSE -#define SKL_L3_MISS_REMOTE (SKL_L3_MISS_REMOTE_HOP0_DRAM| \ - SKL_L3_MISS_REMOTE_HOP1_DRAM| \ - SKL_L3_MISS_REMOTE_HOP2P_DRAM) - -static __initconst const u64 skl_hw_cache_event_ids - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(L1D ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_INST_RETIRED.ALL_LOADS */ - [ C(RESULT_MISS) ] = 0x151, /* L1D.REPLACEMENT */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_INST_RETIRED.ALL_STORES */ - [ C(RESULT_MISS) ] = 0x0, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(L1I ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x283, /* ICACHE_64B.MISS */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(LL ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(DTLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_INST_RETIRED.ALL_LOADS */ - [ C(RESULT_MISS) ] = 0x608, /* DTLB_LOAD_MISSES.WALK_COMPLETED */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_INST_RETIRED.ALL_STORES */ - [ C(RESULT_MISS) ] = 0x649, /* DTLB_STORE_MISSES.WALK_COMPLETED */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(ITLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x2085, /* ITLB_MISSES.STLB_HIT */ - [ C(RESULT_MISS) ] = 0xe85, /* ITLB_MISSES.WALK_COMPLETED */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(BPU ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0xc4, /* BR_INST_RETIRED.ALL_BRANCHES */ - [ C(RESULT_MISS) ] = 0xc5, /* BR_MISP_RETIRED.ALL_BRANCHES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(NODE) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, -}; - -static __initconst const u64 skl_hw_cache_extra_regs - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(LL ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = SKL_DEMAND_READ| - SKL_LLC_ACCESS|SKL_ANY_SNOOP, - [ C(RESULT_MISS) ] = SKL_DEMAND_READ| - SKL_L3_MISS|SKL_ANY_SNOOP| - SKL_SUPPLIER_NONE, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = SKL_DEMAND_WRITE| - SKL_LLC_ACCESS|SKL_ANY_SNOOP, - [ C(RESULT_MISS) ] = SKL_DEMAND_WRITE| - SKL_L3_MISS|SKL_ANY_SNOOP| - SKL_SUPPLIER_NONE, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(NODE) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = SKL_DEMAND_READ| - SKL_L3_MISS_LOCAL_DRAM|SKL_SNOOP_DRAM, - [ C(RESULT_MISS) ] = SKL_DEMAND_READ| - SKL_L3_MISS_REMOTE|SKL_SNOOP_DRAM, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = SKL_DEMAND_WRITE| - SKL_L3_MISS_LOCAL_DRAM|SKL_SNOOP_DRAM, - [ C(RESULT_MISS) ] = SKL_DEMAND_WRITE| - SKL_L3_MISS_REMOTE|SKL_SNOOP_DRAM, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, -}; - -#define SNB_DMND_DATA_RD (1ULL << 0) -#define SNB_DMND_RFO (1ULL << 1) -#define SNB_DMND_IFETCH (1ULL << 2) -#define SNB_DMND_WB (1ULL << 3) -#define SNB_PF_DATA_RD (1ULL << 4) -#define SNB_PF_RFO (1ULL << 5) -#define SNB_PF_IFETCH (1ULL << 6) -#define SNB_LLC_DATA_RD (1ULL << 7) -#define SNB_LLC_RFO (1ULL << 8) -#define SNB_LLC_IFETCH (1ULL << 9) -#define SNB_BUS_LOCKS (1ULL << 10) -#define SNB_STRM_ST (1ULL << 11) -#define SNB_OTHER (1ULL << 15) -#define SNB_RESP_ANY (1ULL << 16) -#define SNB_NO_SUPP (1ULL << 17) -#define SNB_LLC_HITM (1ULL << 18) -#define SNB_LLC_HITE (1ULL << 19) -#define SNB_LLC_HITS (1ULL << 20) -#define SNB_LLC_HITF (1ULL << 21) -#define SNB_LOCAL (1ULL << 22) -#define SNB_REMOTE (0xffULL << 23) -#define SNB_SNP_NONE (1ULL << 31) -#define SNB_SNP_NOT_NEEDED (1ULL << 32) -#define SNB_SNP_MISS (1ULL << 33) -#define SNB_NO_FWD (1ULL << 34) -#define SNB_SNP_FWD (1ULL << 35) -#define SNB_HITM (1ULL << 36) -#define SNB_NON_DRAM (1ULL << 37) - -#define SNB_DMND_READ (SNB_DMND_DATA_RD|SNB_LLC_DATA_RD) -#define SNB_DMND_WRITE (SNB_DMND_RFO|SNB_LLC_RFO) -#define SNB_DMND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO) - -#define SNB_SNP_ANY (SNB_SNP_NONE|SNB_SNP_NOT_NEEDED| \ - SNB_SNP_MISS|SNB_NO_FWD|SNB_SNP_FWD| \ - SNB_HITM) - -#define SNB_DRAM_ANY (SNB_LOCAL|SNB_REMOTE|SNB_SNP_ANY) -#define SNB_DRAM_REMOTE (SNB_REMOTE|SNB_SNP_ANY) - -#define SNB_L3_ACCESS SNB_RESP_ANY -#define SNB_L3_MISS (SNB_DRAM_ANY|SNB_NON_DRAM) - -static __initconst const u64 snb_hw_cache_extra_regs - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(LL ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_L3_ACCESS, - [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_L3_MISS, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_L3_ACCESS, - [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_L3_MISS, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_L3_ACCESS, - [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_L3_MISS, - }, - }, - [ C(NODE) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_DRAM_ANY, - [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_DRAM_REMOTE, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_DRAM_ANY, - [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_DRAM_REMOTE, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_DRAM_ANY, - [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_DRAM_REMOTE, - }, - }, -}; - -static __initconst const u64 snb_hw_cache_event_ids - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(L1D) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0xf1d0, /* MEM_UOP_RETIRED.LOADS */ - [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPLACEMENT */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0xf2d0, /* MEM_UOP_RETIRED.STORES */ - [ C(RESULT_MISS) ] = 0x0851, /* L1D.ALL_M_REPLACEMENT */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x024e, /* HW_PRE_REQ.DL1_MISS */ - }, - }, - [ C(L1I ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0280, /* ICACHE.MISSES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(LL ) ] = { - [ C(OP_READ) ] = { - /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01b7, - }, - [ C(OP_WRITE) ] = { - /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01b7, - }, - [ C(OP_PREFETCH) ] = { - /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01b7, - }, - }, - [ C(DTLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOP_RETIRED.ALL_LOADS */ - [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.CAUSES_A_WALK */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOP_RETIRED.ALL_STORES */ - [ C(RESULT_MISS) ] = 0x0149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(ITLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x1085, /* ITLB_MISSES.STLB_HIT */ - [ C(RESULT_MISS) ] = 0x0185, /* ITLB_MISSES.CAUSES_A_WALK */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(BPU ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ - [ C(RESULT_MISS) ] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(NODE) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x01b7, - [ C(RESULT_MISS) ] = 0x01b7, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x01b7, - [ C(RESULT_MISS) ] = 0x01b7, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x01b7, - [ C(RESULT_MISS) ] = 0x01b7, - }, - }, - -}; - -/* - * Notes on the events: - * - data reads do not include code reads (comparable to earlier tables) - * - data counts include speculative execution (except L1 write, dtlb, bpu) - * - remote node access includes remote memory, remote cache, remote mmio. - * - prefetches are not included in the counts because they are not - * reliably counted. - */ - -#define HSW_DEMAND_DATA_RD BIT_ULL(0) -#define HSW_DEMAND_RFO BIT_ULL(1) -#define HSW_ANY_RESPONSE BIT_ULL(16) -#define HSW_SUPPLIER_NONE BIT_ULL(17) -#define HSW_L3_MISS_LOCAL_DRAM BIT_ULL(22) -#define HSW_L3_MISS_REMOTE_HOP0 BIT_ULL(27) -#define HSW_L3_MISS_REMOTE_HOP1 BIT_ULL(28) -#define HSW_L3_MISS_REMOTE_HOP2P BIT_ULL(29) -#define HSW_L3_MISS (HSW_L3_MISS_LOCAL_DRAM| \ - HSW_L3_MISS_REMOTE_HOP0|HSW_L3_MISS_REMOTE_HOP1| \ - HSW_L3_MISS_REMOTE_HOP2P) -#define HSW_SNOOP_NONE BIT_ULL(31) -#define HSW_SNOOP_NOT_NEEDED BIT_ULL(32) -#define HSW_SNOOP_MISS BIT_ULL(33) -#define HSW_SNOOP_HIT_NO_FWD BIT_ULL(34) -#define HSW_SNOOP_HIT_WITH_FWD BIT_ULL(35) -#define HSW_SNOOP_HITM BIT_ULL(36) -#define HSW_SNOOP_NON_DRAM BIT_ULL(37) -#define HSW_ANY_SNOOP (HSW_SNOOP_NONE| \ - HSW_SNOOP_NOT_NEEDED|HSW_SNOOP_MISS| \ - HSW_SNOOP_HIT_NO_FWD|HSW_SNOOP_HIT_WITH_FWD| \ - HSW_SNOOP_HITM|HSW_SNOOP_NON_DRAM) -#define HSW_SNOOP_DRAM (HSW_ANY_SNOOP & ~HSW_SNOOP_NON_DRAM) -#define HSW_DEMAND_READ HSW_DEMAND_DATA_RD -#define HSW_DEMAND_WRITE HSW_DEMAND_RFO -#define HSW_L3_MISS_REMOTE (HSW_L3_MISS_REMOTE_HOP0|\ - HSW_L3_MISS_REMOTE_HOP1|HSW_L3_MISS_REMOTE_HOP2P) -#define HSW_LLC_ACCESS HSW_ANY_RESPONSE - -#define BDW_L3_MISS_LOCAL BIT(26) -#define BDW_L3_MISS (BDW_L3_MISS_LOCAL| \ - HSW_L3_MISS_REMOTE_HOP0|HSW_L3_MISS_REMOTE_HOP1| \ - HSW_L3_MISS_REMOTE_HOP2P) - - -static __initconst const u64 hsw_hw_cache_event_ids - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(L1D ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */ - [ C(RESULT_MISS) ] = 0x151, /* L1D.REPLACEMENT */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */ - [ C(RESULT_MISS) ] = 0x0, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(L1I ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x280, /* ICACHE.MISSES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(LL ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(DTLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */ - [ C(RESULT_MISS) ] = 0x108, /* DTLB_LOAD_MISSES.MISS_CAUSES_A_WALK */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */ - [ C(RESULT_MISS) ] = 0x149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(ITLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x6085, /* ITLB_MISSES.STLB_HIT */ - [ C(RESULT_MISS) ] = 0x185, /* ITLB_MISSES.MISS_CAUSES_A_WALK */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(BPU ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0xc4, /* BR_INST_RETIRED.ALL_BRANCHES */ - [ C(RESULT_MISS) ] = 0xc5, /* BR_MISP_RETIRED.ALL_BRANCHES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(NODE) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, -}; - -static __initconst const u64 hsw_hw_cache_extra_regs - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(LL ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = HSW_DEMAND_READ| - HSW_LLC_ACCESS, - [ C(RESULT_MISS) ] = HSW_DEMAND_READ| - HSW_L3_MISS|HSW_ANY_SNOOP, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = HSW_DEMAND_WRITE| - HSW_LLC_ACCESS, - [ C(RESULT_MISS) ] = HSW_DEMAND_WRITE| - HSW_L3_MISS|HSW_ANY_SNOOP, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(NODE) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = HSW_DEMAND_READ| - HSW_L3_MISS_LOCAL_DRAM| - HSW_SNOOP_DRAM, - [ C(RESULT_MISS) ] = HSW_DEMAND_READ| - HSW_L3_MISS_REMOTE| - HSW_SNOOP_DRAM, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = HSW_DEMAND_WRITE| - HSW_L3_MISS_LOCAL_DRAM| - HSW_SNOOP_DRAM, - [ C(RESULT_MISS) ] = HSW_DEMAND_WRITE| - HSW_L3_MISS_REMOTE| - HSW_SNOOP_DRAM, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, -}; - -static __initconst const u64 westmere_hw_cache_event_ids - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(L1D) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */ - [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */ - [ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */ - [ C(RESULT_MISS) ] = 0x024e, /* L1D_PREFETCH.MISS */ - }, - }, - [ C(L1I ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */ - [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(LL ) ] = { - [ C(OP_READ) ] = { - /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01b7, - }, - /* - * Use RFO, not WRITEBACK, because a write miss would typically occur - * on RFO. - */ - [ C(OP_WRITE) ] = { - /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01b7, - }, - [ C(OP_PREFETCH) ] = { - /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01b7, - }, - }, - [ C(DTLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */ - [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.ANY */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */ - [ C(RESULT_MISS) ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(ITLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P */ - [ C(RESULT_MISS) ] = 0x0185, /* ITLB_MISSES.ANY */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(BPU ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ - [ C(RESULT_MISS) ] = 0x03e8, /* BPU_CLEARS.ANY */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(NODE) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x01b7, - [ C(RESULT_MISS) ] = 0x01b7, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x01b7, - [ C(RESULT_MISS) ] = 0x01b7, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x01b7, - [ C(RESULT_MISS) ] = 0x01b7, - }, - }, -}; - -/* - * Nehalem/Westmere MSR_OFFCORE_RESPONSE bits; - * See IA32 SDM Vol 3B 30.6.1.3 - */ - -#define NHM_DMND_DATA_RD (1 << 0) -#define NHM_DMND_RFO (1 << 1) -#define NHM_DMND_IFETCH (1 << 2) -#define NHM_DMND_WB (1 << 3) -#define NHM_PF_DATA_RD (1 << 4) -#define NHM_PF_DATA_RFO (1 << 5) -#define NHM_PF_IFETCH (1 << 6) -#define NHM_OFFCORE_OTHER (1 << 7) -#define NHM_UNCORE_HIT (1 << 8) -#define NHM_OTHER_CORE_HIT_SNP (1 << 9) -#define NHM_OTHER_CORE_HITM (1 << 10) - /* reserved */ -#define NHM_REMOTE_CACHE_FWD (1 << 12) -#define NHM_REMOTE_DRAM (1 << 13) -#define NHM_LOCAL_DRAM (1 << 14) -#define NHM_NON_DRAM (1 << 15) - -#define NHM_LOCAL (NHM_LOCAL_DRAM|NHM_REMOTE_CACHE_FWD) -#define NHM_REMOTE (NHM_REMOTE_DRAM) - -#define NHM_DMND_READ (NHM_DMND_DATA_RD) -#define NHM_DMND_WRITE (NHM_DMND_RFO|NHM_DMND_WB) -#define NHM_DMND_PREFETCH (NHM_PF_DATA_RD|NHM_PF_DATA_RFO) - -#define NHM_L3_HIT (NHM_UNCORE_HIT|NHM_OTHER_CORE_HIT_SNP|NHM_OTHER_CORE_HITM) -#define NHM_L3_MISS (NHM_NON_DRAM|NHM_LOCAL_DRAM|NHM_REMOTE_DRAM|NHM_REMOTE_CACHE_FWD) -#define NHM_L3_ACCESS (NHM_L3_HIT|NHM_L3_MISS) - -static __initconst const u64 nehalem_hw_cache_extra_regs - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(LL ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_L3_ACCESS, - [ C(RESULT_MISS) ] = NHM_DMND_READ|NHM_L3_MISS, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_L3_ACCESS, - [ C(RESULT_MISS) ] = NHM_DMND_WRITE|NHM_L3_MISS, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_L3_ACCESS, - [ C(RESULT_MISS) ] = NHM_DMND_PREFETCH|NHM_L3_MISS, - }, - }, - [ C(NODE) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_LOCAL|NHM_REMOTE, - [ C(RESULT_MISS) ] = NHM_DMND_READ|NHM_REMOTE, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_LOCAL|NHM_REMOTE, - [ C(RESULT_MISS) ] = NHM_DMND_WRITE|NHM_REMOTE, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_LOCAL|NHM_REMOTE, - [ C(RESULT_MISS) ] = NHM_DMND_PREFETCH|NHM_REMOTE, - }, - }, -}; - -static __initconst const u64 nehalem_hw_cache_event_ids - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(L1D) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */ - [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */ - [ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */ - [ C(RESULT_MISS) ] = 0x024e, /* L1D_PREFETCH.MISS */ - }, - }, - [ C(L1I ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */ - [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(LL ) ] = { - [ C(OP_READ) ] = { - /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01b7, - }, - /* - * Use RFO, not WRITEBACK, because a write miss would typically occur - * on RFO. - */ - [ C(OP_WRITE) ] = { - /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01b7, - }, - [ C(OP_PREFETCH) ] = { - /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01b7, - }, - }, - [ C(DTLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI (alias) */ - [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.ANY */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI (alias) */ - [ C(RESULT_MISS) ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(ITLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P */ - [ C(RESULT_MISS) ] = 0x20c8, /* ITLB_MISS_RETIRED */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(BPU ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ - [ C(RESULT_MISS) ] = 0x03e8, /* BPU_CLEARS.ANY */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(NODE) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x01b7, - [ C(RESULT_MISS) ] = 0x01b7, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x01b7, - [ C(RESULT_MISS) ] = 0x01b7, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x01b7, - [ C(RESULT_MISS) ] = 0x01b7, - }, - }, -}; - -static __initconst const u64 core2_hw_cache_event_ids - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(L1D) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI */ - [ C(RESULT_MISS) ] = 0x0140, /* L1D_CACHE_LD.I_STATE */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI */ - [ C(RESULT_MISS) ] = 0x0141, /* L1D_CACHE_ST.I_STATE */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x104e, /* L1D_PREFETCH.REQUESTS */ - [ C(RESULT_MISS) ] = 0, - }, - }, - [ C(L1I ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0080, /* L1I.READS */ - [ C(RESULT_MISS) ] = 0x0081, /* L1I.MISSES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0, - }, - }, - [ C(LL ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI */ - [ C(RESULT_MISS) ] = 0x4129, /* L2_LD.ISTATE */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI */ - [ C(RESULT_MISS) ] = 0x412A, /* L2_ST.ISTATE */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0, - }, - }, - [ C(DTLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI (alias) */ - [ C(RESULT_MISS) ] = 0x0208, /* DTLB_MISSES.MISS_LD */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI (alias) */ - [ C(RESULT_MISS) ] = 0x0808, /* DTLB_MISSES.MISS_ST */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0, - }, - }, - [ C(ITLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */ - [ C(RESULT_MISS) ] = 0x1282, /* ITLBMISSES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(BPU ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */ - [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, -}; - -static __initconst const u64 atom_hw_cache_event_ids - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(L1D) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE.LD */ - [ C(RESULT_MISS) ] = 0, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE.ST */ - [ C(RESULT_MISS) ] = 0, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0, - }, - }, - [ C(L1I ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */ - [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0, - }, - }, - [ C(LL ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI */ - [ C(RESULT_MISS) ] = 0x4129, /* L2_LD.ISTATE */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI */ - [ C(RESULT_MISS) ] = 0x412A, /* L2_ST.ISTATE */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0, - }, - }, - [ C(DTLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE_LD.MESI (alias) */ - [ C(RESULT_MISS) ] = 0x0508, /* DTLB_MISSES.MISS_LD */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE_ST.MESI (alias) */ - [ C(RESULT_MISS) ] = 0x0608, /* DTLB_MISSES.MISS_ST */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0, - }, - }, - [ C(ITLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */ - [ C(RESULT_MISS) ] = 0x0282, /* ITLB.MISSES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(BPU ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */ - [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, -}; - -static struct extra_reg intel_slm_extra_regs[] __read_mostly = -{ - /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ - INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x768005ffffull, RSP_0), - INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x368005ffffull, RSP_1), - EVENT_EXTRA_END -}; - -#define SLM_DMND_READ SNB_DMND_DATA_RD -#define SLM_DMND_WRITE SNB_DMND_RFO -#define SLM_DMND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO) - -#define SLM_SNP_ANY (SNB_SNP_NONE|SNB_SNP_MISS|SNB_NO_FWD|SNB_HITM) -#define SLM_LLC_ACCESS SNB_RESP_ANY -#define SLM_LLC_MISS (SLM_SNP_ANY|SNB_NON_DRAM) - -static __initconst const u64 slm_hw_cache_extra_regs - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(LL ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = SLM_DMND_READ|SLM_LLC_ACCESS, - [ C(RESULT_MISS) ] = 0, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = SLM_DMND_WRITE|SLM_LLC_ACCESS, - [ C(RESULT_MISS) ] = SLM_DMND_WRITE|SLM_LLC_MISS, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = SLM_DMND_PREFETCH|SLM_LLC_ACCESS, - [ C(RESULT_MISS) ] = SLM_DMND_PREFETCH|SLM_LLC_MISS, - }, - }, -}; - -static __initconst const u64 slm_hw_cache_event_ids - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(L1D) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0x0104, /* LD_DCU_MISS */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0, - }, - }, - [ C(L1I ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0380, /* ICACHE.ACCESSES */ - [ C(RESULT_MISS) ] = 0x0280, /* ICACGE.MISSES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0, - }, - }, - [ C(LL ) ] = { - [ C(OP_READ) ] = { - /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - [ C(RESULT_MISS) ] = 0, - }, - [ C(OP_WRITE) ] = { - /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01b7, - }, - [ C(OP_PREFETCH) ] = { - /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01b7, - }, - }, - [ C(DTLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0x0804, /* LD_DTLB_MISS */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0, - [ C(RESULT_MISS) ] = 0, - }, - }, - [ C(ITLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */ - [ C(RESULT_MISS) ] = 0x40205, /* PAGE_WALKS.I_SIDE_WALKS */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(BPU ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */ - [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, -}; - -#define KNL_OT_L2_HITE BIT_ULL(19) /* Other Tile L2 Hit */ -#define KNL_OT_L2_HITF BIT_ULL(20) /* Other Tile L2 Hit */ -#define KNL_MCDRAM_LOCAL BIT_ULL(21) -#define KNL_MCDRAM_FAR BIT_ULL(22) -#define KNL_DDR_LOCAL BIT_ULL(23) -#define KNL_DDR_FAR BIT_ULL(24) -#define KNL_DRAM_ANY (KNL_MCDRAM_LOCAL | KNL_MCDRAM_FAR | \ - KNL_DDR_LOCAL | KNL_DDR_FAR) -#define KNL_L2_READ SLM_DMND_READ -#define KNL_L2_WRITE SLM_DMND_WRITE -#define KNL_L2_PREFETCH SLM_DMND_PREFETCH -#define KNL_L2_ACCESS SLM_LLC_ACCESS -#define KNL_L2_MISS (KNL_OT_L2_HITE | KNL_OT_L2_HITF | \ - KNL_DRAM_ANY | SNB_SNP_ANY | \ - SNB_NON_DRAM) - -static __initconst const u64 knl_hw_cache_extra_regs - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = { - [C(LL)] = { - [C(OP_READ)] = { - [C(RESULT_ACCESS)] = KNL_L2_READ | KNL_L2_ACCESS, - [C(RESULT_MISS)] = 0, - }, - [C(OP_WRITE)] = { - [C(RESULT_ACCESS)] = KNL_L2_WRITE | KNL_L2_ACCESS, - [C(RESULT_MISS)] = KNL_L2_WRITE | KNL_L2_MISS, - }, - [C(OP_PREFETCH)] = { - [C(RESULT_ACCESS)] = KNL_L2_PREFETCH | KNL_L2_ACCESS, - [C(RESULT_MISS)] = KNL_L2_PREFETCH | KNL_L2_MISS, - }, - }, -}; - -/* - * Use from PMIs where the LBRs are already disabled. - */ -static void __intel_pmu_disable_all(void) -{ - struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); - - wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0); - - if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) - intel_pmu_disable_bts(); - else - intel_bts_disable_local(); - - intel_pmu_pebs_disable_all(); -} - -static void intel_pmu_disable_all(void) -{ - __intel_pmu_disable_all(); - intel_pmu_lbr_disable_all(); -} - -static void __intel_pmu_enable_all(int added, bool pmi) -{ - struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); - - intel_pmu_pebs_enable_all(); - intel_pmu_lbr_enable_all(pmi); - wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, - x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask); - - if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) { - struct perf_event *event = - cpuc->events[INTEL_PMC_IDX_FIXED_BTS]; - - if (WARN_ON_ONCE(!event)) - return; - - intel_pmu_enable_bts(event->hw.config); - } else - intel_bts_enable_local(); -} - -static void intel_pmu_enable_all(int added) -{ - __intel_pmu_enable_all(added, false); -} - -/* - * Workaround for: - * Intel Errata AAK100 (model 26) - * Intel Errata AAP53 (model 30) - * Intel Errata BD53 (model 44) - * - * The official story: - * These chips need to be 'reset' when adding counters by programming the - * magic three (non-counting) events 0x4300B5, 0x4300D2, and 0x4300B1 either - * in sequence on the same PMC or on different PMCs. - * - * In practise it appears some of these events do in fact count, and - * we need to programm all 4 events. - */ -static void intel_pmu_nhm_workaround(void) -{ - struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); - static const unsigned long nhm_magic[4] = { - 0x4300B5, - 0x4300D2, - 0x4300B1, - 0x4300B1 - }; - struct perf_event *event; - int i; - - /* - * The Errata requires below steps: - * 1) Clear MSR_IA32_PEBS_ENABLE and MSR_CORE_PERF_GLOBAL_CTRL; - * 2) Configure 4 PERFEVTSELx with the magic events and clear - * the corresponding PMCx; - * 3) set bit0~bit3 of MSR_CORE_PERF_GLOBAL_CTRL; - * 4) Clear MSR_CORE_PERF_GLOBAL_CTRL; - * 5) Clear 4 pairs of ERFEVTSELx and PMCx; - */ - - /* - * The real steps we choose are a little different from above. - * A) To reduce MSR operations, we don't run step 1) as they - * are already cleared before this function is called; - * B) Call x86_perf_event_update to save PMCx before configuring - * PERFEVTSELx with magic number; - * C) With step 5), we do clear only when the PERFEVTSELx is - * not used currently. - * D) Call x86_perf_event_set_period to restore PMCx; - */ - - /* We always operate 4 pairs of PERF Counters */ - for (i = 0; i < 4; i++) { - event = cpuc->events[i]; - if (event) - x86_perf_event_update(event); - } - - for (i = 0; i < 4; i++) { - wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, nhm_magic[i]); - wrmsrl(MSR_ARCH_PERFMON_PERFCTR0 + i, 0x0); - } - - wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0xf); - wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x0); - - for (i = 0; i < 4; i++) { - event = cpuc->events[i]; - - if (event) { - x86_perf_event_set_period(event); - __x86_pmu_enable_event(&event->hw, - ARCH_PERFMON_EVENTSEL_ENABLE); - } else - wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, 0x0); - } -} - -static void intel_pmu_nhm_enable_all(int added) -{ - if (added) - intel_pmu_nhm_workaround(); - intel_pmu_enable_all(added); -} - -static inline u64 intel_pmu_get_status(void) -{ - u64 status; - - rdmsrl(MSR_CORE_PERF_GLOBAL_STATUS, status); - - return status; -} - -static inline void intel_pmu_ack_status(u64 ack) -{ - wrmsrl(MSR_CORE_PERF_GLOBAL_OVF_CTRL, ack); -} - -static void intel_pmu_disable_fixed(struct hw_perf_event *hwc) -{ - int idx = hwc->idx - INTEL_PMC_IDX_FIXED; - u64 ctrl_val, mask; - - mask = 0xfULL << (idx * 4); - - rdmsrl(hwc->config_base, ctrl_val); - ctrl_val &= ~mask; - wrmsrl(hwc->config_base, ctrl_val); -} - -static inline bool event_is_checkpointed(struct perf_event *event) -{ - return (event->hw.config & HSW_IN_TX_CHECKPOINTED) != 0; -} - -static void intel_pmu_disable_event(struct perf_event *event) -{ - struct hw_perf_event *hwc = &event->hw; - struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); - - if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) { - intel_pmu_disable_bts(); - intel_pmu_drain_bts_buffer(); - return; - } - - cpuc->intel_ctrl_guest_mask &= ~(1ull << hwc->idx); - cpuc->intel_ctrl_host_mask &= ~(1ull << hwc->idx); - cpuc->intel_cp_status &= ~(1ull << hwc->idx); - - /* - * must disable before any actual event - * because any event may be combined with LBR - */ - if (needs_branch_stack(event)) - intel_pmu_lbr_disable(event); - - if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) { - intel_pmu_disable_fixed(hwc); - return; - } - - x86_pmu_disable_event(event); - - if (unlikely(event->attr.precise_ip)) - intel_pmu_pebs_disable(event); -} - -static void intel_pmu_enable_fixed(struct hw_perf_event *hwc) -{ - int idx = hwc->idx - INTEL_PMC_IDX_FIXED; - u64 ctrl_val, bits, mask; - - /* - * Enable IRQ generation (0x8), - * and enable ring-3 counting (0x2) and ring-0 counting (0x1) - * if requested: - */ - bits = 0x8ULL; - if (hwc->config & ARCH_PERFMON_EVENTSEL_USR) - bits |= 0x2; - if (hwc->config & ARCH_PERFMON_EVENTSEL_OS) - bits |= 0x1; - - /* - * ANY bit is supported in v3 and up - */ - if (x86_pmu.version > 2 && hwc->config & ARCH_PERFMON_EVENTSEL_ANY) - bits |= 0x4; - - bits <<= (idx * 4); - mask = 0xfULL << (idx * 4); - - rdmsrl(hwc->config_base, ctrl_val); - ctrl_val &= ~mask; - ctrl_val |= bits; - wrmsrl(hwc->config_base, ctrl_val); -} - -static void intel_pmu_enable_event(struct perf_event *event) -{ - struct hw_perf_event *hwc = &event->hw; - struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); - - if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) { - if (!__this_cpu_read(cpu_hw_events.enabled)) - return; - - intel_pmu_enable_bts(hwc->config); - return; - } - /* - * must enabled before any actual event - * because any event may be combined with LBR - */ - if (needs_branch_stack(event)) - intel_pmu_lbr_enable(event); - - if (event->attr.exclude_host) - cpuc->intel_ctrl_guest_mask |= (1ull << hwc->idx); - if (event->attr.exclude_guest) - cpuc->intel_ctrl_host_mask |= (1ull << hwc->idx); - - if (unlikely(event_is_checkpointed(event))) - cpuc->intel_cp_status |= (1ull << hwc->idx); - - if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) { - intel_pmu_enable_fixed(hwc); - return; - } - - if (unlikely(event->attr.precise_ip)) - intel_pmu_pebs_enable(event); - - __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE); -} - -/* - * Save and restart an expired event. Called by NMI contexts, - * so it has to be careful about preempting normal event ops: - */ -int intel_pmu_save_and_restart(struct perf_event *event) -{ - x86_perf_event_update(event); - /* - * For a checkpointed counter always reset back to 0. This - * avoids a situation where the counter overflows, aborts the - * transaction and is then set back to shortly before the - * overflow, and overflows and aborts again. - */ - if (unlikely(event_is_checkpointed(event))) { - /* No race with NMIs because the counter should not be armed */ - wrmsrl(event->hw.event_base, 0); - local64_set(&event->hw.prev_count, 0); - } - return x86_perf_event_set_period(event); -} - -static void intel_pmu_reset(void) -{ - struct debug_store *ds = __this_cpu_read(cpu_hw_events.ds); - unsigned long flags; - int idx; - - if (!x86_pmu.num_counters) - return; - - local_irq_save(flags); - - pr_info("clearing PMU state on CPU#%d\n", smp_processor_id()); - - for (idx = 0; idx < x86_pmu.num_counters; idx++) { - wrmsrl_safe(x86_pmu_config_addr(idx), 0ull); - wrmsrl_safe(x86_pmu_event_addr(idx), 0ull); - } - for (idx = 0; idx < x86_pmu.num_counters_fixed; idx++) - wrmsrl_safe(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull); - - if (ds) - ds->bts_index = ds->bts_buffer_base; - - /* Ack all overflows and disable fixed counters */ - if (x86_pmu.version >= 2) { - intel_pmu_ack_status(intel_pmu_get_status()); - wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0); - } - - /* Reset LBRs and LBR freezing */ - if (x86_pmu.lbr_nr) { - update_debugctlmsr(get_debugctlmsr() & - ~(DEBUGCTLMSR_FREEZE_LBRS_ON_PMI|DEBUGCTLMSR_LBR)); - } - - local_irq_restore(flags); -} - -/* - * This handler is triggered by the local APIC, so the APIC IRQ handling - * rules apply: - */ -static int intel_pmu_handle_irq(struct pt_regs *regs) -{ - struct perf_sample_data data; - struct cpu_hw_events *cpuc; - int bit, loops; - u64 status; - int handled; - - cpuc = this_cpu_ptr(&cpu_hw_events); - - /* - * No known reason to not always do late ACK, - * but just in case do it opt-in. - */ - if (!x86_pmu.late_ack) - apic_write(APIC_LVTPC, APIC_DM_NMI); - __intel_pmu_disable_all(); - handled = intel_pmu_drain_bts_buffer(); - handled += intel_bts_interrupt(); - status = intel_pmu_get_status(); - if (!status) - goto done; - - loops = 0; -again: - intel_pmu_lbr_read(); - intel_pmu_ack_status(status); - if (++loops > 100) { - static bool warned = false; - if (!warned) { - WARN(1, "perfevents: irq loop stuck!\n"); - perf_event_print_debug(); - warned = true; - } - intel_pmu_reset(); - goto done; - } - - inc_irq_stat(apic_perf_irqs); - - - /* - * Ignore a range of extra bits in status that do not indicate - * overflow by themselves. - */ - status &= ~(GLOBAL_STATUS_COND_CHG | - GLOBAL_STATUS_ASIF | - GLOBAL_STATUS_LBRS_FROZEN); - if (!status) - goto done; - - /* - * PEBS overflow sets bit 62 in the global status register - */ - if (__test_and_clear_bit(62, (unsigned long *)&status)) { - handled++; - x86_pmu.drain_pebs(regs); - } - - /* - * Intel PT - */ - if (__test_and_clear_bit(55, (unsigned long *)&status)) { - handled++; - intel_pt_interrupt(); - } - - /* - * Checkpointed counters can lead to 'spurious' PMIs because the - * rollback caused by the PMI will have cleared the overflow status - * bit. Therefore always force probe these counters. - */ - status |= cpuc->intel_cp_status; - - for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) { - struct perf_event *event = cpuc->events[bit]; - - handled++; - - if (!test_bit(bit, cpuc->active_mask)) - continue; - - if (!intel_pmu_save_and_restart(event)) - continue; - - perf_sample_data_init(&data, 0, event->hw.last_period); - - if (has_branch_stack(event)) - data.br_stack = &cpuc->lbr_stack; - - if (perf_event_overflow(event, &data, regs)) - x86_pmu_stop(event, 0); - } - - /* - * Repeat if there is more work to be done: - */ - status = intel_pmu_get_status(); - if (status) - goto again; - -done: - __intel_pmu_enable_all(0, true); - /* - * Only unmask the NMI after the overflow counters - * have been reset. This avoids spurious NMIs on - * Haswell CPUs. - */ - if (x86_pmu.late_ack) - apic_write(APIC_LVTPC, APIC_DM_NMI); - return handled; -} - -static struct event_constraint * -intel_bts_constraints(struct perf_event *event) -{ - struct hw_perf_event *hwc = &event->hw; - unsigned int hw_event, bts_event; - - if (event->attr.freq) - return NULL; - - hw_event = hwc->config & INTEL_ARCH_EVENT_MASK; - bts_event = x86_pmu.event_map(PERF_COUNT_HW_BRANCH_INSTRUCTIONS); - - if (unlikely(hw_event == bts_event && hwc->sample_period == 1)) - return &bts_constraint; - - return NULL; -} - -static int intel_alt_er(int idx, u64 config) -{ - int alt_idx; - if (!(x86_pmu.flags & PMU_FL_HAS_RSP_1)) - return idx; - - if (idx == EXTRA_REG_RSP_0) - alt_idx = EXTRA_REG_RSP_1; - - if (idx == EXTRA_REG_RSP_1) - alt_idx = EXTRA_REG_RSP_0; - - if (config & ~x86_pmu.extra_regs[alt_idx].valid_mask) - return idx; - - return alt_idx; -} - -static void intel_fixup_er(struct perf_event *event, int idx) -{ - event->hw.extra_reg.idx = idx; - - if (idx == EXTRA_REG_RSP_0) { - event->hw.config &= ~INTEL_ARCH_EVENT_MASK; - event->hw.config |= x86_pmu.extra_regs[EXTRA_REG_RSP_0].event; - event->hw.extra_reg.reg = MSR_OFFCORE_RSP_0; - } else if (idx == EXTRA_REG_RSP_1) { - event->hw.config &= ~INTEL_ARCH_EVENT_MASK; - event->hw.config |= x86_pmu.extra_regs[EXTRA_REG_RSP_1].event; - event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1; - } -} - -/* - * manage allocation of shared extra msr for certain events - * - * sharing can be: - * per-cpu: to be shared between the various events on a single PMU - * per-core: per-cpu + shared by HT threads - */ -static struct event_constraint * -__intel_shared_reg_get_constraints(struct cpu_hw_events *cpuc, - struct perf_event *event, - struct hw_perf_event_extra *reg) -{ - struct event_constraint *c = &emptyconstraint; - struct er_account *era; - unsigned long flags; - int idx = reg->idx; - - /* - * reg->alloc can be set due to existing state, so for fake cpuc we - * need to ignore this, otherwise we might fail to allocate proper fake - * state for this extra reg constraint. Also see the comment below. - */ - if (reg->alloc && !cpuc->is_fake) - return NULL; /* call x86_get_event_constraint() */ - -again: - era = &cpuc->shared_regs->regs[idx]; - /* - * we use spin_lock_irqsave() to avoid lockdep issues when - * passing a fake cpuc - */ - raw_spin_lock_irqsave(&era->lock, flags); - - if (!atomic_read(&era->ref) || era->config == reg->config) { - - /* - * If its a fake cpuc -- as per validate_{group,event}() we - * shouldn't touch event state and we can avoid doing so - * since both will only call get_event_constraints() once - * on each event, this avoids the need for reg->alloc. - * - * Not doing the ER fixup will only result in era->reg being - * wrong, but since we won't actually try and program hardware - * this isn't a problem either. - */ - if (!cpuc->is_fake) { - if (idx != reg->idx) - intel_fixup_er(event, idx); - - /* - * x86_schedule_events() can call get_event_constraints() - * multiple times on events in the case of incremental - * scheduling(). reg->alloc ensures we only do the ER - * allocation once. - */ - reg->alloc = 1; - } - - /* lock in msr value */ - era->config = reg->config; - era->reg = reg->reg; - - /* one more user */ - atomic_inc(&era->ref); - - /* - * need to call x86_get_event_constraint() - * to check if associated event has constraints - */ - c = NULL; - } else { - idx = intel_alt_er(idx, reg->config); - if (idx != reg->idx) { - raw_spin_unlock_irqrestore(&era->lock, flags); - goto again; - } - } - raw_spin_unlock_irqrestore(&era->lock, flags); - - return c; -} - -static void -__intel_shared_reg_put_constraints(struct cpu_hw_events *cpuc, - struct hw_perf_event_extra *reg) -{ - struct er_account *era; - - /* - * Only put constraint if extra reg was actually allocated. Also takes - * care of event which do not use an extra shared reg. - * - * Also, if this is a fake cpuc we shouldn't touch any event state - * (reg->alloc) and we don't care about leaving inconsistent cpuc state - * either since it'll be thrown out. - */ - if (!reg->alloc || cpuc->is_fake) - return; - - era = &cpuc->shared_regs->regs[reg->idx]; - - /* one fewer user */ - atomic_dec(&era->ref); - - /* allocate again next time */ - reg->alloc = 0; -} - -static struct event_constraint * -intel_shared_regs_constraints(struct cpu_hw_events *cpuc, - struct perf_event *event) -{ - struct event_constraint *c = NULL, *d; - struct hw_perf_event_extra *xreg, *breg; - - xreg = &event->hw.extra_reg; - if (xreg->idx != EXTRA_REG_NONE) { - c = __intel_shared_reg_get_constraints(cpuc, event, xreg); - if (c == &emptyconstraint) - return c; - } - breg = &event->hw.branch_reg; - if (breg->idx != EXTRA_REG_NONE) { - d = __intel_shared_reg_get_constraints(cpuc, event, breg); - if (d == &emptyconstraint) { - __intel_shared_reg_put_constraints(cpuc, xreg); - c = d; - } - } - return c; -} - -struct event_constraint * -x86_get_event_constraints(struct cpu_hw_events *cpuc, int idx, - struct perf_event *event) -{ - struct event_constraint *c; - - if (x86_pmu.event_constraints) { - for_each_event_constraint(c, x86_pmu.event_constraints) { - if ((event->hw.config & c->cmask) == c->code) { - event->hw.flags |= c->flags; - return c; - } - } - } - - return &unconstrained; -} - -static struct event_constraint * -__intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx, - struct perf_event *event) -{ - struct event_constraint *c; - - c = intel_bts_constraints(event); - if (c) - return c; - - c = intel_shared_regs_constraints(cpuc, event); - if (c) - return c; - - c = intel_pebs_constraints(event); - if (c) - return c; - - return x86_get_event_constraints(cpuc, idx, event); -} - -static void -intel_start_scheduling(struct cpu_hw_events *cpuc) -{ - struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; - struct intel_excl_states *xl; - int tid = cpuc->excl_thread_id; - - /* - * nothing needed if in group validation mode - */ - if (cpuc->is_fake || !is_ht_workaround_enabled()) - return; - - /* - * no exclusion needed - */ - if (WARN_ON_ONCE(!excl_cntrs)) - return; - - xl = &excl_cntrs->states[tid]; - - xl->sched_started = true; - /* - * lock shared state until we are done scheduling - * in stop_event_scheduling() - * makes scheduling appear as a transaction - */ - raw_spin_lock(&excl_cntrs->lock); -} - -static void intel_commit_scheduling(struct cpu_hw_events *cpuc, int idx, int cntr) -{ - struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; - struct event_constraint *c = cpuc->event_constraint[idx]; - struct intel_excl_states *xl; - int tid = cpuc->excl_thread_id; - - if (cpuc->is_fake || !is_ht_workaround_enabled()) - return; - - if (WARN_ON_ONCE(!excl_cntrs)) - return; - - if (!(c->flags & PERF_X86_EVENT_DYNAMIC)) - return; - - xl = &excl_cntrs->states[tid]; - - lockdep_assert_held(&excl_cntrs->lock); - - if (c->flags & PERF_X86_EVENT_EXCL) - xl->state[cntr] = INTEL_EXCL_EXCLUSIVE; - else - xl->state[cntr] = INTEL_EXCL_SHARED; -} - -static void -intel_stop_scheduling(struct cpu_hw_events *cpuc) -{ - struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; - struct intel_excl_states *xl; - int tid = cpuc->excl_thread_id; - - /* - * nothing needed if in group validation mode - */ - if (cpuc->is_fake || !is_ht_workaround_enabled()) - return; - /* - * no exclusion needed - */ - if (WARN_ON_ONCE(!excl_cntrs)) - return; - - xl = &excl_cntrs->states[tid]; - - xl->sched_started = false; - /* - * release shared state lock (acquired in intel_start_scheduling()) - */ - raw_spin_unlock(&excl_cntrs->lock); -} - -static struct event_constraint * -intel_get_excl_constraints(struct cpu_hw_events *cpuc, struct perf_event *event, - int idx, struct event_constraint *c) -{ - struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; - struct intel_excl_states *xlo; - int tid = cpuc->excl_thread_id; - int is_excl, i; - - /* - * validating a group does not require - * enforcing cross-thread exclusion - */ - if (cpuc->is_fake || !is_ht_workaround_enabled()) - return c; - - /* - * no exclusion needed - */ - if (WARN_ON_ONCE(!excl_cntrs)) - return c; - - /* - * because we modify the constraint, we need - * to make a copy. Static constraints come - * from static const tables. - * - * only needed when constraint has not yet - * been cloned (marked dynamic) - */ - if (!(c->flags & PERF_X86_EVENT_DYNAMIC)) { - struct event_constraint *cx; - - /* - * grab pre-allocated constraint entry - */ - cx = &cpuc->constraint_list[idx]; - - /* - * initialize dynamic constraint - * with static constraint - */ - *cx = *c; - - /* - * mark constraint as dynamic, so we - * can free it later on - */ - cx->flags |= PERF_X86_EVENT_DYNAMIC; - c = cx; - } - - /* - * From here on, the constraint is dynamic. - * Either it was just allocated above, or it - * was allocated during a earlier invocation - * of this function - */ - - /* - * state of sibling HT - */ - xlo = &excl_cntrs->states[tid ^ 1]; - - /* - * event requires exclusive counter access - * across HT threads - */ - is_excl = c->flags & PERF_X86_EVENT_EXCL; - if (is_excl && !(event->hw.flags & PERF_X86_EVENT_EXCL_ACCT)) { - event->hw.flags |= PERF_X86_EVENT_EXCL_ACCT; - if (!cpuc->n_excl++) - WRITE_ONCE(excl_cntrs->has_exclusive[tid], 1); - } - - /* - * Modify static constraint with current dynamic - * state of thread - * - * EXCLUSIVE: sibling counter measuring exclusive event - * SHARED : sibling counter measuring non-exclusive event - * UNUSED : sibling counter unused - */ - for_each_set_bit(i, c->idxmsk, X86_PMC_IDX_MAX) { - /* - * exclusive event in sibling counter - * our corresponding counter cannot be used - * regardless of our event - */ - if (xlo->state[i] == INTEL_EXCL_EXCLUSIVE) - __clear_bit(i, c->idxmsk); - /* - * if measuring an exclusive event, sibling - * measuring non-exclusive, then counter cannot - * be used - */ - if (is_excl && xlo->state[i] == INTEL_EXCL_SHARED) - __clear_bit(i, c->idxmsk); - } - - /* - * recompute actual bit weight for scheduling algorithm - */ - c->weight = hweight64(c->idxmsk64); - - /* - * if we return an empty mask, then switch - * back to static empty constraint to avoid - * the cost of freeing later on - */ - if (c->weight == 0) - c = &emptyconstraint; - - return c; -} - -static struct event_constraint * -intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx, - struct perf_event *event) -{ - struct event_constraint *c1 = NULL; - struct event_constraint *c2; - - if (idx >= 0) /* fake does < 0 */ - c1 = cpuc->event_constraint[idx]; - - /* - * first time only - * - static constraint: no change across incremental scheduling calls - * - dynamic constraint: handled by intel_get_excl_constraints() - */ - c2 = __intel_get_event_constraints(cpuc, idx, event); - if (c1 && (c1->flags & PERF_X86_EVENT_DYNAMIC)) { - bitmap_copy(c1->idxmsk, c2->idxmsk, X86_PMC_IDX_MAX); - c1->weight = c2->weight; - c2 = c1; - } - - if (cpuc->excl_cntrs) - return intel_get_excl_constraints(cpuc, event, idx, c2); - - return c2; -} - -static void intel_put_excl_constraints(struct cpu_hw_events *cpuc, - struct perf_event *event) -{ - struct hw_perf_event *hwc = &event->hw; - struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; - int tid = cpuc->excl_thread_id; - struct intel_excl_states *xl; - - /* - * nothing needed if in group validation mode - */ - if (cpuc->is_fake) - return; - - if (WARN_ON_ONCE(!excl_cntrs)) - return; - - if (hwc->flags & PERF_X86_EVENT_EXCL_ACCT) { - hwc->flags &= ~PERF_X86_EVENT_EXCL_ACCT; - if (!--cpuc->n_excl) - WRITE_ONCE(excl_cntrs->has_exclusive[tid], 0); - } - - /* - * If event was actually assigned, then mark the counter state as - * unused now. - */ - if (hwc->idx >= 0) { - xl = &excl_cntrs->states[tid]; - - /* - * put_constraint may be called from x86_schedule_events() - * which already has the lock held so here make locking - * conditional. - */ - if (!xl->sched_started) - raw_spin_lock(&excl_cntrs->lock); - - xl->state[hwc->idx] = INTEL_EXCL_UNUSED; - - if (!xl->sched_started) - raw_spin_unlock(&excl_cntrs->lock); - } -} - -static void -intel_put_shared_regs_event_constraints(struct cpu_hw_events *cpuc, - struct perf_event *event) -{ - struct hw_perf_event_extra *reg; - - reg = &event->hw.extra_reg; - if (reg->idx != EXTRA_REG_NONE) - __intel_shared_reg_put_constraints(cpuc, reg); - - reg = &event->hw.branch_reg; - if (reg->idx != EXTRA_REG_NONE) - __intel_shared_reg_put_constraints(cpuc, reg); -} - -static void intel_put_event_constraints(struct cpu_hw_events *cpuc, - struct perf_event *event) -{ - intel_put_shared_regs_event_constraints(cpuc, event); - - /* - * is PMU has exclusive counter restrictions, then - * all events are subject to and must call the - * put_excl_constraints() routine - */ - if (cpuc->excl_cntrs) - intel_put_excl_constraints(cpuc, event); -} - -static void intel_pebs_aliases_core2(struct perf_event *event) -{ - if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { - /* - * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P - * (0x003c) so that we can use it with PEBS. - * - * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't - * PEBS capable. However we can use INST_RETIRED.ANY_P - * (0x00c0), which is a PEBS capable event, to get the same - * count. - * - * INST_RETIRED.ANY_P counts the number of cycles that retires - * CNTMASK instructions. By setting CNTMASK to a value (16) - * larger than the maximum number of instructions that can be - * retired per cycle (4) and then inverting the condition, we - * count all cycles that retire 16 or less instructions, which - * is every cycle. - * - * Thereby we gain a PEBS capable cycle counter. - */ - u64 alt_config = X86_CONFIG(.event=0xc0, .inv=1, .cmask=16); - - alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); - event->hw.config = alt_config; - } -} - -static void intel_pebs_aliases_snb(struct perf_event *event) -{ - if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { - /* - * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P - * (0x003c) so that we can use it with PEBS. - * - * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't - * PEBS capable. However we can use UOPS_RETIRED.ALL - * (0x01c2), which is a PEBS capable event, to get the same - * count. - * - * UOPS_RETIRED.ALL counts the number of cycles that retires - * CNTMASK micro-ops. By setting CNTMASK to a value (16) - * larger than the maximum number of micro-ops that can be - * retired per cycle (4) and then inverting the condition, we - * count all cycles that retire 16 or less micro-ops, which - * is every cycle. - * - * Thereby we gain a PEBS capable cycle counter. - */ - u64 alt_config = X86_CONFIG(.event=0xc2, .umask=0x01, .inv=1, .cmask=16); - - alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); - event->hw.config = alt_config; - } -} - -static void intel_pebs_aliases_precdist(struct perf_event *event) -{ - if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { - /* - * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P - * (0x003c) so that we can use it with PEBS. - * - * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't - * PEBS capable. However we can use INST_RETIRED.PREC_DIST - * (0x01c0), which is a PEBS capable event, to get the same - * count. - * - * The PREC_DIST event has special support to minimize sample - * shadowing effects. One drawback is that it can be - * only programmed on counter 1, but that seems like an - * acceptable trade off. - */ - u64 alt_config = X86_CONFIG(.event=0xc0, .umask=0x01, .inv=1, .cmask=16); - - alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); - event->hw.config = alt_config; - } -} - -static void intel_pebs_aliases_ivb(struct perf_event *event) -{ - if (event->attr.precise_ip < 3) - return intel_pebs_aliases_snb(event); - return intel_pebs_aliases_precdist(event); -} - -static void intel_pebs_aliases_skl(struct perf_event *event) -{ - if (event->attr.precise_ip < 3) - return intel_pebs_aliases_core2(event); - return intel_pebs_aliases_precdist(event); -} - -static unsigned long intel_pmu_free_running_flags(struct perf_event *event) -{ - unsigned long flags = x86_pmu.free_running_flags; - - if (event->attr.use_clockid) - flags &= ~PERF_SAMPLE_TIME; - return flags; -} - -static int intel_pmu_hw_config(struct perf_event *event) -{ - int ret = x86_pmu_hw_config(event); - - if (ret) - return ret; - - if (event->attr.precise_ip) { - if (!event->attr.freq) { - event->hw.flags |= PERF_X86_EVENT_AUTO_RELOAD; - if (!(event->attr.sample_type & - ~intel_pmu_free_running_flags(event))) - event->hw.flags |= PERF_X86_EVENT_FREERUNNING; - } - if (x86_pmu.pebs_aliases) - x86_pmu.pebs_aliases(event); - } - - if (needs_branch_stack(event)) { - ret = intel_pmu_setup_lbr_filter(event); - if (ret) - return ret; - - /* - * BTS is set up earlier in this path, so don't account twice - */ - if (!intel_pmu_has_bts(event)) { - /* disallow lbr if conflicting events are present */ - if (x86_add_exclusive(x86_lbr_exclusive_lbr)) - return -EBUSY; - - event->destroy = hw_perf_lbr_event_destroy; - } - } - - if (event->attr.type != PERF_TYPE_RAW) - return 0; - - if (!(event->attr.config & ARCH_PERFMON_EVENTSEL_ANY)) - return 0; - - if (x86_pmu.version < 3) - return -EINVAL; - - if (perf_paranoid_cpu() && !capable(CAP_SYS_ADMIN)) - return -EACCES; - - event->hw.config |= ARCH_PERFMON_EVENTSEL_ANY; - - return 0; -} - -struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr) -{ - if (x86_pmu.guest_get_msrs) - return x86_pmu.guest_get_msrs(nr); - *nr = 0; - return NULL; -} -EXPORT_SYMBOL_GPL(perf_guest_get_msrs); - -static struct perf_guest_switch_msr *intel_guest_get_msrs(int *nr) -{ - struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); - struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs; - - arr[0].msr = MSR_CORE_PERF_GLOBAL_CTRL; - arr[0].host = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask; - arr[0].guest = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_host_mask; - /* - * If PMU counter has PEBS enabled it is not enough to disable counter - * on a guest entry since PEBS memory write can overshoot guest entry - * and corrupt guest memory. Disabling PEBS solves the problem. - */ - arr[1].msr = MSR_IA32_PEBS_ENABLE; - arr[1].host = cpuc->pebs_enabled; - arr[1].guest = 0; - - *nr = 2; - return arr; -} - -static struct perf_guest_switch_msr *core_guest_get_msrs(int *nr) -{ - struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); - struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs; - int idx; - - for (idx = 0; idx < x86_pmu.num_counters; idx++) { - struct perf_event *event = cpuc->events[idx]; - - arr[idx].msr = x86_pmu_config_addr(idx); - arr[idx].host = arr[idx].guest = 0; - - if (!test_bit(idx, cpuc->active_mask)) - continue; - - arr[idx].host = arr[idx].guest = - event->hw.config | ARCH_PERFMON_EVENTSEL_ENABLE; - - if (event->attr.exclude_host) - arr[idx].host &= ~ARCH_PERFMON_EVENTSEL_ENABLE; - else if (event->attr.exclude_guest) - arr[idx].guest &= ~ARCH_PERFMON_EVENTSEL_ENABLE; - } - - *nr = x86_pmu.num_counters; - return arr; -} - -static void core_pmu_enable_event(struct perf_event *event) -{ - if (!event->attr.exclude_host) - x86_pmu_enable_event(event); -} - -static void core_pmu_enable_all(int added) -{ - struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); - int idx; - - for (idx = 0; idx < x86_pmu.num_counters; idx++) { - struct hw_perf_event *hwc = &cpuc->events[idx]->hw; - - if (!test_bit(idx, cpuc->active_mask) || - cpuc->events[idx]->attr.exclude_host) - continue; - - __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE); - } -} - -static int hsw_hw_config(struct perf_event *event) -{ - int ret = intel_pmu_hw_config(event); - - if (ret) - return ret; - if (!boot_cpu_has(X86_FEATURE_RTM) && !boot_cpu_has(X86_FEATURE_HLE)) - return 0; - event->hw.config |= event->attr.config & (HSW_IN_TX|HSW_IN_TX_CHECKPOINTED); - - /* - * IN_TX/IN_TX-CP filters are not supported by the Haswell PMU with - * PEBS or in ANY thread mode. Since the results are non-sensical forbid - * this combination. - */ - if ((event->hw.config & (HSW_IN_TX|HSW_IN_TX_CHECKPOINTED)) && - ((event->hw.config & ARCH_PERFMON_EVENTSEL_ANY) || - event->attr.precise_ip > 0)) - return -EOPNOTSUPP; - - if (event_is_checkpointed(event)) { - /* - * Sampling of checkpointed events can cause situations where - * the CPU constantly aborts because of a overflow, which is - * then checkpointed back and ignored. Forbid checkpointing - * for sampling. - * - * But still allow a long sampling period, so that perf stat - * from KVM works. - */ - if (event->attr.sample_period > 0 && - event->attr.sample_period < 0x7fffffff) - return -EOPNOTSUPP; - } - return 0; -} - -static struct event_constraint counter2_constraint = - EVENT_CONSTRAINT(0, 0x4, 0); - -static struct event_constraint * -hsw_get_event_constraints(struct cpu_hw_events *cpuc, int idx, - struct perf_event *event) -{ - struct event_constraint *c; - - c = intel_get_event_constraints(cpuc, idx, event); - - /* Handle special quirk on in_tx_checkpointed only in counter 2 */ - if (event->hw.config & HSW_IN_TX_CHECKPOINTED) { - if (c->idxmsk64 & (1U << 2)) - return &counter2_constraint; - return &emptyconstraint; - } - - return c; -} - -/* - * Broadwell: - * - * The INST_RETIRED.ALL period always needs to have lowest 6 bits cleared - * (BDM55) and it must not use a period smaller than 100 (BDM11). We combine - * the two to enforce a minimum period of 128 (the smallest value that has bits - * 0-5 cleared and >= 100). - * - * Because of how the code in x86_perf_event_set_period() works, the truncation - * of the lower 6 bits is 'harmless' as we'll occasionally add a longer period - * to make up for the 'lost' events due to carrying the 'error' in period_left. - * - * Therefore the effective (average) period matches the requested period, - * despite coarser hardware granularity. - */ -static unsigned bdw_limit_period(struct perf_event *event, unsigned left) -{ - if ((event->hw.config & INTEL_ARCH_EVENT_MASK) == - X86_CONFIG(.event=0xc0, .umask=0x01)) { - if (left < 128) - left = 128; - left &= ~0x3fu; - } - return left; -} - -PMU_FORMAT_ATTR(event, "config:0-7" ); -PMU_FORMAT_ATTR(umask, "config:8-15" ); -PMU_FORMAT_ATTR(edge, "config:18" ); -PMU_FORMAT_ATTR(pc, "config:19" ); -PMU_FORMAT_ATTR(any, "config:21" ); /* v3 + */ -PMU_FORMAT_ATTR(inv, "config:23" ); -PMU_FORMAT_ATTR(cmask, "config:24-31" ); -PMU_FORMAT_ATTR(in_tx, "config:32"); -PMU_FORMAT_ATTR(in_tx_cp, "config:33"); - -static struct attribute *intel_arch_formats_attr[] = { - &format_attr_event.attr, - &format_attr_umask.attr, - &format_attr_edge.attr, - &format_attr_pc.attr, - &format_attr_inv.attr, - &format_attr_cmask.attr, - NULL, -}; - -ssize_t intel_event_sysfs_show(char *page, u64 config) -{ - u64 event = (config & ARCH_PERFMON_EVENTSEL_EVENT); - - return x86_event_sysfs_show(page, config, event); -} - -struct intel_shared_regs *allocate_shared_regs(int cpu) -{ - struct intel_shared_regs *regs; - int i; - - regs = kzalloc_node(sizeof(struct intel_shared_regs), - GFP_KERNEL, cpu_to_node(cpu)); - if (regs) { - /* - * initialize the locks to keep lockdep happy - */ - for (i = 0; i < EXTRA_REG_MAX; i++) - raw_spin_lock_init(®s->regs[i].lock); - - regs->core_id = -1; - } - return regs; -} - -static struct intel_excl_cntrs *allocate_excl_cntrs(int cpu) -{ - struct intel_excl_cntrs *c; - - c = kzalloc_node(sizeof(struct intel_excl_cntrs), - GFP_KERNEL, cpu_to_node(cpu)); - if (c) { - raw_spin_lock_init(&c->lock); - c->core_id = -1; - } - return c; -} - -static int intel_pmu_cpu_prepare(int cpu) -{ - struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); - - if (x86_pmu.extra_regs || x86_pmu.lbr_sel_map) { - cpuc->shared_regs = allocate_shared_regs(cpu); - if (!cpuc->shared_regs) - goto err; - } - - if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) { - size_t sz = X86_PMC_IDX_MAX * sizeof(struct event_constraint); - - cpuc->constraint_list = kzalloc(sz, GFP_KERNEL); - if (!cpuc->constraint_list) - goto err_shared_regs; - - cpuc->excl_cntrs = allocate_excl_cntrs(cpu); - if (!cpuc->excl_cntrs) - goto err_constraint_list; - - cpuc->excl_thread_id = 0; - } - - return NOTIFY_OK; - -err_constraint_list: - kfree(cpuc->constraint_list); - cpuc->constraint_list = NULL; - -err_shared_regs: - kfree(cpuc->shared_regs); - cpuc->shared_regs = NULL; - -err: - return NOTIFY_BAD; -} - -static void intel_pmu_cpu_starting(int cpu) -{ - struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); - int core_id = topology_core_id(cpu); - int i; - - init_debug_store_on_cpu(cpu); - /* - * Deal with CPUs that don't clear their LBRs on power-up. - */ - intel_pmu_lbr_reset(); - - cpuc->lbr_sel = NULL; - - if (!cpuc->shared_regs) - return; - - if (!(x86_pmu.flags & PMU_FL_NO_HT_SHARING)) { - void **onln = &cpuc->kfree_on_online[X86_PERF_KFREE_SHARED]; - - for_each_cpu(i, topology_sibling_cpumask(cpu)) { - struct intel_shared_regs *pc; - - pc = per_cpu(cpu_hw_events, i).shared_regs; - if (pc && pc->core_id == core_id) { - *onln = cpuc->shared_regs; - cpuc->shared_regs = pc; - break; - } - } - cpuc->shared_regs->core_id = core_id; - cpuc->shared_regs->refcnt++; - } - - if (x86_pmu.lbr_sel_map) - cpuc->lbr_sel = &cpuc->shared_regs->regs[EXTRA_REG_LBR]; - - if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) { - for_each_cpu(i, topology_sibling_cpumask(cpu)) { - struct intel_excl_cntrs *c; - - c = per_cpu(cpu_hw_events, i).excl_cntrs; - if (c && c->core_id == core_id) { - cpuc->kfree_on_online[1] = cpuc->excl_cntrs; - cpuc->excl_cntrs = c; - cpuc->excl_thread_id = 1; - break; - } - } - cpuc->excl_cntrs->core_id = core_id; - cpuc->excl_cntrs->refcnt++; - } -} - -static void free_excl_cntrs(int cpu) -{ - struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); - struct intel_excl_cntrs *c; - - c = cpuc->excl_cntrs; - if (c) { - if (c->core_id == -1 || --c->refcnt == 0) - kfree(c); - cpuc->excl_cntrs = NULL; - kfree(cpuc->constraint_list); - cpuc->constraint_list = NULL; - } -} - -static void intel_pmu_cpu_dying(int cpu) -{ - struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); - struct intel_shared_regs *pc; - - pc = cpuc->shared_regs; - if (pc) { - if (pc->core_id == -1 || --pc->refcnt == 0) - kfree(pc); - cpuc->shared_regs = NULL; - } - - free_excl_cntrs(cpu); - - fini_debug_store_on_cpu(cpu); -} - -static void intel_pmu_sched_task(struct perf_event_context *ctx, - bool sched_in) -{ - if (x86_pmu.pebs_active) - intel_pmu_pebs_sched_task(ctx, sched_in); - if (x86_pmu.lbr_nr) - intel_pmu_lbr_sched_task(ctx, sched_in); -} - -PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63"); - -PMU_FORMAT_ATTR(ldlat, "config1:0-15"); - -PMU_FORMAT_ATTR(frontend, "config1:0-23"); - -static struct attribute *intel_arch3_formats_attr[] = { - &format_attr_event.attr, - &format_attr_umask.attr, - &format_attr_edge.attr, - &format_attr_pc.attr, - &format_attr_any.attr, - &format_attr_inv.attr, - &format_attr_cmask.attr, - &format_attr_in_tx.attr, - &format_attr_in_tx_cp.attr, - - &format_attr_offcore_rsp.attr, /* XXX do NHM/WSM + SNB breakout */ - &format_attr_ldlat.attr, /* PEBS load latency */ - NULL, -}; - -static struct attribute *skl_format_attr[] = { - &format_attr_frontend.attr, - NULL, -}; - -static __initconst const struct x86_pmu core_pmu = { - .name = "core", - .handle_irq = x86_pmu_handle_irq, - .disable_all = x86_pmu_disable_all, - .enable_all = core_pmu_enable_all, - .enable = core_pmu_enable_event, - .disable = x86_pmu_disable_event, - .hw_config = x86_pmu_hw_config, - .schedule_events = x86_schedule_events, - .eventsel = MSR_ARCH_PERFMON_EVENTSEL0, - .perfctr = MSR_ARCH_PERFMON_PERFCTR0, - .event_map = intel_pmu_event_map, - .max_events = ARRAY_SIZE(intel_perfmon_event_map), - .apic = 1, - .free_running_flags = PEBS_FREERUNNING_FLAGS, - - /* - * Intel PMCs cannot be accessed sanely above 32-bit width, - * so we install an artificial 1<<31 period regardless of - * the generic event period: - */ - .max_period = (1ULL<<31) - 1, - .get_event_constraints = intel_get_event_constraints, - .put_event_constraints = intel_put_event_constraints, - .event_constraints = intel_core_event_constraints, - .guest_get_msrs = core_guest_get_msrs, - .format_attrs = intel_arch_formats_attr, - .events_sysfs_show = intel_event_sysfs_show, - - /* - * Virtual (or funny metal) CPU can define x86_pmu.extra_regs - * together with PMU version 1 and thus be using core_pmu with - * shared_regs. We need following callbacks here to allocate - * it properly. - */ - .cpu_prepare = intel_pmu_cpu_prepare, - .cpu_starting = intel_pmu_cpu_starting, - .cpu_dying = intel_pmu_cpu_dying, -}; - -static __initconst const struct x86_pmu intel_pmu = { - .name = "Intel", - .handle_irq = intel_pmu_handle_irq, - .disable_all = intel_pmu_disable_all, - .enable_all = intel_pmu_enable_all, - .enable = intel_pmu_enable_event, - .disable = intel_pmu_disable_event, - .hw_config = intel_pmu_hw_config, - .schedule_events = x86_schedule_events, - .eventsel = MSR_ARCH_PERFMON_EVENTSEL0, - .perfctr = MSR_ARCH_PERFMON_PERFCTR0, - .event_map = intel_pmu_event_map, - .max_events = ARRAY_SIZE(intel_perfmon_event_map), - .apic = 1, - .free_running_flags = PEBS_FREERUNNING_FLAGS, - /* - * Intel PMCs cannot be accessed sanely above 32 bit width, - * so we install an artificial 1<<31 period regardless of - * the generic event period: - */ - .max_period = (1ULL << 31) - 1, - .get_event_constraints = intel_get_event_constraints, - .put_event_constraints = intel_put_event_constraints, - .pebs_aliases = intel_pebs_aliases_core2, - - .format_attrs = intel_arch3_formats_attr, - .events_sysfs_show = intel_event_sysfs_show, - - .cpu_prepare = intel_pmu_cpu_prepare, - .cpu_starting = intel_pmu_cpu_starting, - .cpu_dying = intel_pmu_cpu_dying, - .guest_get_msrs = intel_guest_get_msrs, - .sched_task = intel_pmu_sched_task, -}; - -static __init void intel_clovertown_quirk(void) -{ - /* - * PEBS is unreliable due to: - * - * AJ67 - PEBS may experience CPL leaks - * AJ68 - PEBS PMI may be delayed by one event - * AJ69 - GLOBAL_STATUS[62] will only be set when DEBUGCTL[12] - * AJ106 - FREEZE_LBRS_ON_PMI doesn't work in combination with PEBS - * - * AJ67 could be worked around by restricting the OS/USR flags. - * AJ69 could be worked around by setting PMU_FREEZE_ON_PMI. - * - * AJ106 could possibly be worked around by not allowing LBR - * usage from PEBS, including the fixup. - * AJ68 could possibly be worked around by always programming - * a pebs_event_reset[0] value and coping with the lost events. - * - * But taken together it might just make sense to not enable PEBS on - * these chips. - */ - pr_warn("PEBS disabled due to CPU errata\n"); - x86_pmu.pebs = 0; - x86_pmu.pebs_constraints = NULL; -} - -static int intel_snb_pebs_broken(int cpu) -{ - u32 rev = UINT_MAX; /* default to broken for unknown models */ - - switch (cpu_data(cpu).x86_model) { - case 42: /* SNB */ - rev = 0x28; - break; - - case 45: /* SNB-EP */ - switch (cpu_data(cpu).x86_mask) { - case 6: rev = 0x618; break; - case 7: rev = 0x70c; break; - } - } - - return (cpu_data(cpu).microcode < rev); -} - -static void intel_snb_check_microcode(void) -{ - int pebs_broken = 0; - int cpu; - - get_online_cpus(); - for_each_online_cpu(cpu) { - if ((pebs_broken = intel_snb_pebs_broken(cpu))) - break; - } - put_online_cpus(); - - if (pebs_broken == x86_pmu.pebs_broken) - return; - - /* - * Serialized by the microcode lock.. - */ - if (x86_pmu.pebs_broken) { - pr_info("PEBS enabled due to microcode update\n"); - x86_pmu.pebs_broken = 0; - } else { - pr_info("PEBS disabled due to CPU errata, please upgrade microcode\n"); - x86_pmu.pebs_broken = 1; - } -} - -/* - * Under certain circumstances, access certain MSR may cause #GP. - * The function tests if the input MSR can be safely accessed. - */ -static bool check_msr(unsigned long msr, u64 mask) -{ - u64 val_old, val_new, val_tmp; - - /* - * Read the current value, change it and read it back to see if it - * matches, this is needed to detect certain hardware emulators - * (qemu/kvm) that don't trap on the MSR access and always return 0s. - */ - if (rdmsrl_safe(msr, &val_old)) - return false; - - /* - * Only change the bits which can be updated by wrmsrl. - */ - val_tmp = val_old ^ mask; - if (wrmsrl_safe(msr, val_tmp) || - rdmsrl_safe(msr, &val_new)) - return false; - - if (val_new != val_tmp) - return false; - - /* Here it's sure that the MSR can be safely accessed. - * Restore the old value and return. - */ - wrmsrl(msr, val_old); - - return true; -} - -static __init void intel_sandybridge_quirk(void) -{ - x86_pmu.check_microcode = intel_snb_check_microcode; - intel_snb_check_microcode(); -} - -static const struct { int id; char *name; } intel_arch_events_map[] __initconst = { - { PERF_COUNT_HW_CPU_CYCLES, "cpu cycles" }, - { PERF_COUNT_HW_INSTRUCTIONS, "instructions" }, - { PERF_COUNT_HW_BUS_CYCLES, "bus cycles" }, - { PERF_COUNT_HW_CACHE_REFERENCES, "cache references" }, - { PERF_COUNT_HW_CACHE_MISSES, "cache misses" }, - { PERF_COUNT_HW_BRANCH_INSTRUCTIONS, "branch instructions" }, - { PERF_COUNT_HW_BRANCH_MISSES, "branch misses" }, -}; - -static __init void intel_arch_events_quirk(void) -{ - int bit; - - /* disable event that reported as not presend by cpuid */ - for_each_set_bit(bit, x86_pmu.events_mask, ARRAY_SIZE(intel_arch_events_map)) { - intel_perfmon_event_map[intel_arch_events_map[bit].id] = 0; - pr_warn("CPUID marked event: \'%s\' unavailable\n", - intel_arch_events_map[bit].name); - } -} - -static __init void intel_nehalem_quirk(void) -{ - union cpuid10_ebx ebx; - - ebx.full = x86_pmu.events_maskl; - if (ebx.split.no_branch_misses_retired) { - /* - * Erratum AAJ80 detected, we work it around by using - * the BR_MISP_EXEC.ANY event. This will over-count - * branch-misses, but it's still much better than the - * architectural event which is often completely bogus: - */ - intel_perfmon_event_map[PERF_COUNT_HW_BRANCH_MISSES] = 0x7f89; - ebx.split.no_branch_misses_retired = 0; - x86_pmu.events_maskl = ebx.full; - pr_info("CPU erratum AAJ80 worked around\n"); - } -} - -/* - * enable software workaround for errata: - * SNB: BJ122 - * IVB: BV98 - * HSW: HSD29 - * - * Only needed when HT is enabled. However detecting - * if HT is enabled is difficult (model specific). So instead, - * we enable the workaround in the early boot, and verify if - * it is needed in a later initcall phase once we have valid - * topology information to check if HT is actually enabled - */ -static __init void intel_ht_bug(void) -{ - x86_pmu.flags |= PMU_FL_EXCL_CNTRS | PMU_FL_EXCL_ENABLED; - - x86_pmu.start_scheduling = intel_start_scheduling; - x86_pmu.commit_scheduling = intel_commit_scheduling; - x86_pmu.stop_scheduling = intel_stop_scheduling; -} - -EVENT_ATTR_STR(mem-loads, mem_ld_hsw, "event=0xcd,umask=0x1,ldlat=3"); -EVENT_ATTR_STR(mem-stores, mem_st_hsw, "event=0xd0,umask=0x82") - -/* Haswell special events */ -EVENT_ATTR_STR(tx-start, tx_start, "event=0xc9,umask=0x1"); -EVENT_ATTR_STR(tx-commit, tx_commit, "event=0xc9,umask=0x2"); -EVENT_ATTR_STR(tx-abort, tx_abort, "event=0xc9,umask=0x4"); -EVENT_ATTR_STR(tx-capacity, tx_capacity, "event=0x54,umask=0x2"); -EVENT_ATTR_STR(tx-conflict, tx_conflict, "event=0x54,umask=0x1"); -EVENT_ATTR_STR(el-start, el_start, "event=0xc8,umask=0x1"); -EVENT_ATTR_STR(el-commit, el_commit, "event=0xc8,umask=0x2"); -EVENT_ATTR_STR(el-abort, el_abort, "event=0xc8,umask=0x4"); -EVENT_ATTR_STR(el-capacity, el_capacity, "event=0x54,umask=0x2"); -EVENT_ATTR_STR(el-conflict, el_conflict, "event=0x54,umask=0x1"); -EVENT_ATTR_STR(cycles-t, cycles_t, "event=0x3c,in_tx=1"); -EVENT_ATTR_STR(cycles-ct, cycles_ct, "event=0x3c,in_tx=1,in_tx_cp=1"); - -static struct attribute *hsw_events_attrs[] = { - EVENT_PTR(tx_start), - EVENT_PTR(tx_commit), - EVENT_PTR(tx_abort), - EVENT_PTR(tx_capacity), - EVENT_PTR(tx_conflict), - EVENT_PTR(el_start), - EVENT_PTR(el_commit), - EVENT_PTR(el_abort), - EVENT_PTR(el_capacity), - EVENT_PTR(el_conflict), - EVENT_PTR(cycles_t), - EVENT_PTR(cycles_ct), - EVENT_PTR(mem_ld_hsw), - EVENT_PTR(mem_st_hsw), - NULL -}; - -__init int intel_pmu_init(void) -{ - union cpuid10_edx edx; - union cpuid10_eax eax; - union cpuid10_ebx ebx; - struct event_constraint *c; - unsigned int unused; - struct extra_reg *er; - int version, i; - - if (!cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) { - switch (boot_cpu_data.x86) { - case 0x6: - return p6_pmu_init(); - case 0xb: - return knc_pmu_init(); - case 0xf: - return p4_pmu_init(); - } - return -ENODEV; - } - - /* - * Check whether the Architectural PerfMon supports - * Branch Misses Retired hw_event or not. - */ - cpuid(10, &eax.full, &ebx.full, &unused, &edx.full); - if (eax.split.mask_length < ARCH_PERFMON_EVENTS_COUNT) - return -ENODEV; - - version = eax.split.version_id; - if (version < 2) - x86_pmu = core_pmu; - else - x86_pmu = intel_pmu; - - x86_pmu.version = version; - x86_pmu.num_counters = eax.split.num_counters; - x86_pmu.cntval_bits = eax.split.bit_width; - x86_pmu.cntval_mask = (1ULL << eax.split.bit_width) - 1; - - x86_pmu.events_maskl = ebx.full; - x86_pmu.events_mask_len = eax.split.mask_length; - - x86_pmu.max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, x86_pmu.num_counters); - - /* - * Quirk: v2 perfmon does not report fixed-purpose events, so - * assume at least 3 events: - */ - if (version > 1) - x86_pmu.num_counters_fixed = max((int)edx.split.num_counters_fixed, 3); - - if (boot_cpu_has(X86_FEATURE_PDCM)) { - u64 capabilities; - - rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities); - x86_pmu.intel_cap.capabilities = capabilities; - } - - intel_ds_init(); - - x86_add_quirk(intel_arch_events_quirk); /* Install first, so it runs last */ - - /* - * Install the hw-cache-events table: - */ - switch (boot_cpu_data.x86_model) { - case 14: /* 65nm Core "Yonah" */ - pr_cont("Core events, "); - break; - - case 15: /* 65nm Core2 "Merom" */ - x86_add_quirk(intel_clovertown_quirk); - case 22: /* 65nm Core2 "Merom-L" */ - case 23: /* 45nm Core2 "Penryn" */ - case 29: /* 45nm Core2 "Dunnington (MP) */ - memcpy(hw_cache_event_ids, core2_hw_cache_event_ids, - sizeof(hw_cache_event_ids)); - - intel_pmu_lbr_init_core(); - - x86_pmu.event_constraints = intel_core2_event_constraints; - x86_pmu.pebs_constraints = intel_core2_pebs_event_constraints; - pr_cont("Core2 events, "); - break; - - case 30: /* 45nm Nehalem */ - case 26: /* 45nm Nehalem-EP */ - case 46: /* 45nm Nehalem-EX */ - memcpy(hw_cache_event_ids, nehalem_hw_cache_event_ids, - sizeof(hw_cache_event_ids)); - memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs, - sizeof(hw_cache_extra_regs)); - - intel_pmu_lbr_init_nhm(); - - x86_pmu.event_constraints = intel_nehalem_event_constraints; - x86_pmu.pebs_constraints = intel_nehalem_pebs_event_constraints; - x86_pmu.enable_all = intel_pmu_nhm_enable_all; - x86_pmu.extra_regs = intel_nehalem_extra_regs; - - x86_pmu.cpu_events = nhm_events_attrs; - - /* UOPS_ISSUED.STALLED_CYCLES */ - intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = - X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); - /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */ - intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = - X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1); - - x86_add_quirk(intel_nehalem_quirk); - - pr_cont("Nehalem events, "); - break; - - case 28: /* 45nm Atom "Pineview" */ - case 38: /* 45nm Atom "Lincroft" */ - case 39: /* 32nm Atom "Penwell" */ - case 53: /* 32nm Atom "Cloverview" */ - case 54: /* 32nm Atom "Cedarview" */ - memcpy(hw_cache_event_ids, atom_hw_cache_event_ids, - sizeof(hw_cache_event_ids)); - - intel_pmu_lbr_init_atom(); - - x86_pmu.event_constraints = intel_gen_event_constraints; - x86_pmu.pebs_constraints = intel_atom_pebs_event_constraints; - x86_pmu.pebs_aliases = intel_pebs_aliases_core2; - pr_cont("Atom events, "); - break; - - case 55: /* 22nm Atom "Silvermont" */ - case 76: /* 14nm Atom "Airmont" */ - case 77: /* 22nm Atom "Silvermont Avoton/Rangely" */ - memcpy(hw_cache_event_ids, slm_hw_cache_event_ids, - sizeof(hw_cache_event_ids)); - memcpy(hw_cache_extra_regs, slm_hw_cache_extra_regs, - sizeof(hw_cache_extra_regs)); - - intel_pmu_lbr_init_atom(); - - x86_pmu.event_constraints = intel_slm_event_constraints; - x86_pmu.pebs_constraints = intel_slm_pebs_event_constraints; - x86_pmu.extra_regs = intel_slm_extra_regs; - x86_pmu.flags |= PMU_FL_HAS_RSP_1; - pr_cont("Silvermont events, "); - break; - - case 37: /* 32nm Westmere */ - case 44: /* 32nm Westmere-EP */ - case 47: /* 32nm Westmere-EX */ - memcpy(hw_cache_event_ids, westmere_hw_cache_event_ids, - sizeof(hw_cache_event_ids)); - memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs, - sizeof(hw_cache_extra_regs)); - - intel_pmu_lbr_init_nhm(); - - x86_pmu.event_constraints = intel_westmere_event_constraints; - x86_pmu.enable_all = intel_pmu_nhm_enable_all; - x86_pmu.pebs_constraints = intel_westmere_pebs_event_constraints; - x86_pmu.extra_regs = intel_westmere_extra_regs; - x86_pmu.flags |= PMU_FL_HAS_RSP_1; - - x86_pmu.cpu_events = nhm_events_attrs; - - /* UOPS_ISSUED.STALLED_CYCLES */ - intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = - X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); - /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */ - intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = - X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1); - - pr_cont("Westmere events, "); - break; - - case 42: /* 32nm SandyBridge */ - case 45: /* 32nm SandyBridge-E/EN/EP */ - x86_add_quirk(intel_sandybridge_quirk); - x86_add_quirk(intel_ht_bug); - memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, - sizeof(hw_cache_event_ids)); - memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, - sizeof(hw_cache_extra_regs)); - - intel_pmu_lbr_init_snb(); - - x86_pmu.event_constraints = intel_snb_event_constraints; - x86_pmu.pebs_constraints = intel_snb_pebs_event_constraints; - x86_pmu.pebs_aliases = intel_pebs_aliases_snb; - if (boot_cpu_data.x86_model == 45) - x86_pmu.extra_regs = intel_snbep_extra_regs; - else - x86_pmu.extra_regs = intel_snb_extra_regs; - - - /* all extra regs are per-cpu when HT is on */ - x86_pmu.flags |= PMU_FL_HAS_RSP_1; - x86_pmu.flags |= PMU_FL_NO_HT_SHARING; - - x86_pmu.cpu_events = snb_events_attrs; - - /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */ - intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = - X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); - /* UOPS_DISPATCHED.THREAD,c=1,i=1 to count stall cycles*/ - intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = - X86_CONFIG(.event=0xb1, .umask=0x01, .inv=1, .cmask=1); - - pr_cont("SandyBridge events, "); - break; - - case 58: /* 22nm IvyBridge */ - case 62: /* 22nm IvyBridge-EP/EX */ - x86_add_quirk(intel_ht_bug); - memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, - sizeof(hw_cache_event_ids)); - /* dTLB-load-misses on IVB is different than SNB */ - hw_cache_event_ids[C(DTLB)][C(OP_READ)][C(RESULT_MISS)] = 0x8108; /* DTLB_LOAD_MISSES.DEMAND_LD_MISS_CAUSES_A_WALK */ - - memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, - sizeof(hw_cache_extra_regs)); - - intel_pmu_lbr_init_snb(); - - x86_pmu.event_constraints = intel_ivb_event_constraints; - x86_pmu.pebs_constraints = intel_ivb_pebs_event_constraints; - x86_pmu.pebs_aliases = intel_pebs_aliases_ivb; - x86_pmu.pebs_prec_dist = true; - if (boot_cpu_data.x86_model == 62) - x86_pmu.extra_regs = intel_snbep_extra_regs; - else - x86_pmu.extra_regs = intel_snb_extra_regs; - /* all extra regs are per-cpu when HT is on */ - x86_pmu.flags |= PMU_FL_HAS_RSP_1; - x86_pmu.flags |= PMU_FL_NO_HT_SHARING; - - x86_pmu.cpu_events = snb_events_attrs; - - /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */ - intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = - X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); - - pr_cont("IvyBridge events, "); - break; - - - case 60: /* 22nm Haswell Core */ - case 63: /* 22nm Haswell Server */ - case 69: /* 22nm Haswell ULT */ - case 70: /* 22nm Haswell + GT3e (Intel Iris Pro graphics) */ - x86_add_quirk(intel_ht_bug); - x86_pmu.late_ack = true; - memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids)); - memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); - - intel_pmu_lbr_init_hsw(); - - x86_pmu.event_constraints = intel_hsw_event_constraints; - x86_pmu.pebs_constraints = intel_hsw_pebs_event_constraints; - x86_pmu.extra_regs = intel_snbep_extra_regs; - x86_pmu.pebs_aliases = intel_pebs_aliases_ivb; - x86_pmu.pebs_prec_dist = true; - /* all extra regs are per-cpu when HT is on */ - x86_pmu.flags |= PMU_FL_HAS_RSP_1; - x86_pmu.flags |= PMU_FL_NO_HT_SHARING; - - x86_pmu.hw_config = hsw_hw_config; - x86_pmu.get_event_constraints = hsw_get_event_constraints; - x86_pmu.cpu_events = hsw_events_attrs; - x86_pmu.lbr_double_abort = true; - pr_cont("Haswell events, "); - break; - - case 61: /* 14nm Broadwell Core-M */ - case 86: /* 14nm Broadwell Xeon D */ - case 71: /* 14nm Broadwell + GT3e (Intel Iris Pro graphics) */ - case 79: /* 14nm Broadwell Server */ - x86_pmu.late_ack = true; - memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids)); - memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); - - /* L3_MISS_LOCAL_DRAM is BIT(26) in Broadwell */ - hw_cache_extra_regs[C(LL)][C(OP_READ)][C(RESULT_MISS)] = HSW_DEMAND_READ | - BDW_L3_MISS|HSW_SNOOP_DRAM; - hw_cache_extra_regs[C(LL)][C(OP_WRITE)][C(RESULT_MISS)] = HSW_DEMAND_WRITE|BDW_L3_MISS| - HSW_SNOOP_DRAM; - hw_cache_extra_regs[C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = HSW_DEMAND_READ| - BDW_L3_MISS_LOCAL|HSW_SNOOP_DRAM; - hw_cache_extra_regs[C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = HSW_DEMAND_WRITE| - BDW_L3_MISS_LOCAL|HSW_SNOOP_DRAM; - - intel_pmu_lbr_init_hsw(); - - x86_pmu.event_constraints = intel_bdw_event_constraints; - x86_pmu.pebs_constraints = intel_hsw_pebs_event_constraints; - x86_pmu.extra_regs = intel_snbep_extra_regs; - x86_pmu.pebs_aliases = intel_pebs_aliases_ivb; - x86_pmu.pebs_prec_dist = true; - /* all extra regs are per-cpu when HT is on */ - x86_pmu.flags |= PMU_FL_HAS_RSP_1; - x86_pmu.flags |= PMU_FL_NO_HT_SHARING; - - x86_pmu.hw_config = hsw_hw_config; - x86_pmu.get_event_constraints = hsw_get_event_constraints; - x86_pmu.cpu_events = hsw_events_attrs; - x86_pmu.limit_period = bdw_limit_period; - pr_cont("Broadwell events, "); - break; - - case 87: /* Knights Landing Xeon Phi */ - memcpy(hw_cache_event_ids, - slm_hw_cache_event_ids, sizeof(hw_cache_event_ids)); - memcpy(hw_cache_extra_regs, - knl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); - intel_pmu_lbr_init_knl(); - - x86_pmu.event_constraints = intel_slm_event_constraints; - x86_pmu.pebs_constraints = intel_slm_pebs_event_constraints; - x86_pmu.extra_regs = intel_knl_extra_regs; - - /* all extra regs are per-cpu when HT is on */ - x86_pmu.flags |= PMU_FL_HAS_RSP_1; - x86_pmu.flags |= PMU_FL_NO_HT_SHARING; - - pr_cont("Knights Landing events, "); - break; - - case 78: /* 14nm Skylake Mobile */ - case 94: /* 14nm Skylake Desktop */ - x86_pmu.late_ack = true; - memcpy(hw_cache_event_ids, skl_hw_cache_event_ids, sizeof(hw_cache_event_ids)); - memcpy(hw_cache_extra_regs, skl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); - intel_pmu_lbr_init_skl(); - - x86_pmu.event_constraints = intel_skl_event_constraints; - x86_pmu.pebs_constraints = intel_skl_pebs_event_constraints; - x86_pmu.extra_regs = intel_skl_extra_regs; - x86_pmu.pebs_aliases = intel_pebs_aliases_skl; - x86_pmu.pebs_prec_dist = true; - /* all extra regs are per-cpu when HT is on */ - x86_pmu.flags |= PMU_FL_HAS_RSP_1; - x86_pmu.flags |= PMU_FL_NO_HT_SHARING; - - x86_pmu.hw_config = hsw_hw_config; - x86_pmu.get_event_constraints = hsw_get_event_constraints; - x86_pmu.format_attrs = merge_attr(intel_arch3_formats_attr, - skl_format_attr); - WARN_ON(!x86_pmu.format_attrs); - x86_pmu.cpu_events = hsw_events_attrs; - pr_cont("Skylake events, "); - break; - - default: - switch (x86_pmu.version) { - case 1: - x86_pmu.event_constraints = intel_v1_event_constraints; - pr_cont("generic architected perfmon v1, "); - break; - default: - /* - * default constraints for v2 and up - */ - x86_pmu.event_constraints = intel_gen_event_constraints; - pr_cont("generic architected perfmon, "); - break; - } - } - - if (x86_pmu.num_counters > INTEL_PMC_MAX_GENERIC) { - WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!", - x86_pmu.num_counters, INTEL_PMC_MAX_GENERIC); - x86_pmu.num_counters = INTEL_PMC_MAX_GENERIC; - } - x86_pmu.intel_ctrl = (1 << x86_pmu.num_counters) - 1; - - if (x86_pmu.num_counters_fixed > INTEL_PMC_MAX_FIXED) { - WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!", - x86_pmu.num_counters_fixed, INTEL_PMC_MAX_FIXED); - x86_pmu.num_counters_fixed = INTEL_PMC_MAX_FIXED; - } - - x86_pmu.intel_ctrl |= - ((1LL << x86_pmu.num_counters_fixed)-1) << INTEL_PMC_IDX_FIXED; - - if (x86_pmu.event_constraints) { - /* - * event on fixed counter2 (REF_CYCLES) only works on this - * counter, so do not extend mask to generic counters - */ - for_each_event_constraint(c, x86_pmu.event_constraints) { - if (c->cmask == FIXED_EVENT_FLAGS - && c->idxmsk64 != INTEL_PMC_MSK_FIXED_REF_CYCLES) { - c->idxmsk64 |= (1ULL << x86_pmu.num_counters) - 1; - } - c->idxmsk64 &= - ~(~0UL << (INTEL_PMC_IDX_FIXED + x86_pmu.num_counters_fixed)); - c->weight = hweight64(c->idxmsk64); - } - } - - /* - * Access LBR MSR may cause #GP under certain circumstances. - * E.g. KVM doesn't support LBR MSR - * Check all LBT MSR here. - * Disable LBR access if any LBR MSRs can not be accessed. - */ - if (x86_pmu.lbr_nr && !check_msr(x86_pmu.lbr_tos, 0x3UL)) - x86_pmu.lbr_nr = 0; - for (i = 0; i < x86_pmu.lbr_nr; i++) { - if (!(check_msr(x86_pmu.lbr_from + i, 0xffffUL) && - check_msr(x86_pmu.lbr_to + i, 0xffffUL))) - x86_pmu.lbr_nr = 0; - } - - /* - * Access extra MSR may cause #GP under certain circumstances. - * E.g. KVM doesn't support offcore event - * Check all extra_regs here. - */ - if (x86_pmu.extra_regs) { - for (er = x86_pmu.extra_regs; er->msr; er++) { - er->extra_msr_access = check_msr(er->msr, 0x11UL); - /* Disable LBR select mapping */ - if ((er->idx == EXTRA_REG_LBR) && !er->extra_msr_access) - x86_pmu.lbr_sel_map = NULL; - } - } - - /* Support full width counters using alternative MSR range */ - if (x86_pmu.intel_cap.full_width_write) { - x86_pmu.max_period = x86_pmu.cntval_mask; - x86_pmu.perfctr = MSR_IA32_PMC0; - pr_cont("full-width counters, "); - } - - return 0; -} - -/* - * HT bug: phase 2 init - * Called once we have valid topology information to check - * whether or not HT is enabled - * If HT is off, then we disable the workaround - */ -static __init int fixup_ht_bug(void) -{ - int cpu = smp_processor_id(); - int w, c; - /* - * problem not present on this CPU model, nothing to do - */ - if (!(x86_pmu.flags & PMU_FL_EXCL_ENABLED)) - return 0; - - w = cpumask_weight(topology_sibling_cpumask(cpu)); - if (w > 1) { - pr_info("PMU erratum BJ122, BV98, HSD29 worked around, HT is on\n"); - return 0; - } - - if (lockup_detector_suspend() != 0) { - pr_debug("failed to disable PMU erratum BJ122, BV98, HSD29 workaround\n"); - return 0; - } - - x86_pmu.flags &= ~(PMU_FL_EXCL_CNTRS | PMU_FL_EXCL_ENABLED); - - x86_pmu.start_scheduling = NULL; - x86_pmu.commit_scheduling = NULL; - x86_pmu.stop_scheduling = NULL; - - lockup_detector_resume(); - - get_online_cpus(); - - for_each_online_cpu(c) { - free_excl_cntrs(c); - } - - put_online_cpus(); - pr_info("PMU erratum BJ122, BV98, HSD29 workaround disabled, HT off\n"); - return 0; -} -subsys_initcall(fixup_ht_bug) |