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-rw-r--r--tools/perf/arch/x86/util/header.c24
-rw-r--r--tools/perf/arch/x86/util/intel-pt.c57
2 files changed, 74 insertions, 7 deletions
diff --git a/tools/perf/arch/x86/util/header.c b/tools/perf/arch/x86/util/header.c
index 146d12a1cec0..a74a48db26f5 100644
--- a/tools/perf/arch/x86/util/header.c
+++ b/tools/perf/arch/x86/util/header.c
@@ -19,8 +19,8 @@ cpuid(unsigned int op, unsigned int *a, unsigned int *b, unsigned int *c,
: "a" (op));
}
-int
-get_cpuid(char *buffer, size_t sz)
+static int
+__get_cpuid(char *buffer, size_t sz, const char *fmt)
{
unsigned int a, b, c, d, lvl;
int family = -1, model = -1, step = -1;
@@ -48,7 +48,7 @@ get_cpuid(char *buffer, size_t sz)
if (family >= 0x6)
model += ((a >> 16) & 0xf) << 4;
}
- nb = scnprintf(buffer, sz, "%s,%u,%u,%u$", vendor, family, model, step);
+ nb = scnprintf(buffer, sz, fmt, vendor, family, model, step);
/* look for end marker to ensure the entire data fit */
if (strchr(buffer, '$')) {
@@ -57,3 +57,21 @@ get_cpuid(char *buffer, size_t sz)
}
return -1;
}
+
+int
+get_cpuid(char *buffer, size_t sz)
+{
+ return __get_cpuid(buffer, sz, "%s,%u,%u,%u$");
+}
+
+char *
+get_cpuid_str(void)
+{
+ char *buf = malloc(128);
+
+ if (__get_cpuid(buf, 128, "%s-%u-%X$") < 0) {
+ free(buf);
+ return NULL;
+ }
+ return buf;
+}
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index a2412e9d883b..90fa2286edcf 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -62,6 +62,7 @@ struct intel_pt_recording {
size_t snapshot_ref_buf_size;
int snapshot_ref_cnt;
struct intel_pt_snapshot_ref *snapshot_refs;
+ size_t priv_size;
};
static int intel_pt_parse_terms_with_default(struct list_head *formats,
@@ -273,11 +274,37 @@ intel_pt_pmu_default_config(struct perf_pmu *intel_pt_pmu)
return attr;
}
+static const char *intel_pt_find_filter(struct perf_evlist *evlist,
+ struct perf_pmu *intel_pt_pmu)
+{
+ struct perf_evsel *evsel;
+
+ evlist__for_each_entry(evlist, evsel) {
+ if (evsel->attr.type == intel_pt_pmu->type)
+ return evsel->filter;
+ }
+
+ return NULL;
+}
+
+static size_t intel_pt_filter_bytes(const char *filter)
+{
+ size_t len = filter ? strlen(filter) : 0;
+
+ return len ? roundup(len + 1, 8) : 0;
+}
+
static size_t
-intel_pt_info_priv_size(struct auxtrace_record *itr __maybe_unused,
- struct perf_evlist *evlist __maybe_unused)
+intel_pt_info_priv_size(struct auxtrace_record *itr, struct perf_evlist *evlist)
{
- return INTEL_PT_AUXTRACE_PRIV_SIZE;
+ struct intel_pt_recording *ptr =
+ container_of(itr, struct intel_pt_recording, itr);
+ const char *filter = intel_pt_find_filter(evlist, ptr->intel_pt_pmu);
+
+ ptr->priv_size = (INTEL_PT_AUXTRACE_PRIV_MAX * sizeof(u64)) +
+ intel_pt_filter_bytes(filter);
+
+ return ptr->priv_size;
}
static void intel_pt_tsc_ctc_ratio(u32 *n, u32 *d)
@@ -302,9 +329,13 @@ static int intel_pt_info_fill(struct auxtrace_record *itr,
bool cap_user_time_zero = false, per_cpu_mmaps;
u64 tsc_bit, mtc_bit, mtc_freq_bits, cyc_bit, noretcomp_bit;
u32 tsc_ctc_ratio_n, tsc_ctc_ratio_d;
+ unsigned long max_non_turbo_ratio;
+ size_t filter_str_len;
+ const char *filter;
+ u64 *info;
int err;
- if (priv_size != INTEL_PT_AUXTRACE_PRIV_SIZE)
+ if (priv_size != ptr->priv_size)
return -EINVAL;
intel_pt_parse_terms(&intel_pt_pmu->format, "tsc", &tsc_bit);
@@ -317,6 +348,13 @@ static int intel_pt_info_fill(struct auxtrace_record *itr,
intel_pt_tsc_ctc_ratio(&tsc_ctc_ratio_n, &tsc_ctc_ratio_d);
+ if (perf_pmu__scan_file(intel_pt_pmu, "max_nonturbo_ratio",
+ "%lu", &max_non_turbo_ratio) != 1)
+ max_non_turbo_ratio = 0;
+
+ filter = intel_pt_find_filter(session->evlist, ptr->intel_pt_pmu);
+ filter_str_len = filter ? strlen(filter) : 0;
+
if (!session->evlist->nr_mmaps)
return -EINVAL;
@@ -351,6 +389,17 @@ static int intel_pt_info_fill(struct auxtrace_record *itr,
auxtrace_info->priv[INTEL_PT_TSC_CTC_N] = tsc_ctc_ratio_n;
auxtrace_info->priv[INTEL_PT_TSC_CTC_D] = tsc_ctc_ratio_d;
auxtrace_info->priv[INTEL_PT_CYC_BIT] = cyc_bit;
+ auxtrace_info->priv[INTEL_PT_MAX_NONTURBO_RATIO] = max_non_turbo_ratio;
+ auxtrace_info->priv[INTEL_PT_FILTER_STR_LEN] = filter_str_len;
+
+ info = &auxtrace_info->priv[INTEL_PT_FILTER_STR_LEN] + 1;
+
+ if (filter_str_len) {
+ size_t len = intel_pt_filter_bytes(filter);
+
+ strncpy((char *)info, filter, len);
+ info += len >> 3;
+ }
return 0;
}