diff options
| author | Lin Ming <[email protected]> | 2011-05-06 07:14:02 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2011-05-06 09:37:03 +0200 |
| commit | e04d1b23f9706186187dcb0be1a752e48dcc540b (patch) | |
| tree | e26bc343707db5697528b510d8147cae8ac5b7ae | |
| parent | e7e7ee2eab2080248084d71fe0a115ab745eb2aa (diff) | |
perf events, x86: Add SandyBridge stalled-cycles-frontend/backend events
Extend the Intel SandyBridge PMU driver with definitions
for generic front-end and back-end stall events.
( As commit 3011203 "perf events, x86: Add Westmere stalled-cycles-frontend/backend
events" says, these are only approximations. )
Signed-off-by: Lin Ming <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Steven Rostedt <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_intel.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index e61539b07d2c..7cf2ec59c813 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -1474,6 +1474,12 @@ static __init int intel_pmu_init(void) x86_pmu.event_constraints = intel_snb_event_constraints; x86_pmu.pebs_constraints = intel_snb_pebs_events; + + /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */ + intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x180010e; + /* UOPS_DISPATCHED.THREAD,c=1,i=1 to count stall cycles*/ + intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = 0x18001b1; + pr_cont("SandyBridge events, "); break; |