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-rw-r--r--tools/perf/util/intel-pt.c14
-rw-r--r--tools/perf/util/intel-pt.h1
2 files changed, 14 insertions, 1 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index b744ea812a2e..77fbf02c8e41 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -2023,6 +2023,7 @@ static const char * const intel_pt_info_fmts[] = {
[INTEL_PT_TSC_CTC_N] = " TSC:CTC numerator %"PRIu64"\n",
[INTEL_PT_TSC_CTC_D] = " TSC:CTC denominator %"PRIu64"\n",
[INTEL_PT_CYC_BIT] = " CYC bit %#"PRIx64"\n",
+ [INTEL_PT_MAX_NONTURBO_RATIO] = " Max non-turbo ratio %"PRIu64"\n",
};
static void intel_pt_print_info(u64 *arr, int start, int finish)
@@ -2087,6 +2088,15 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
INTEL_PT_CYC_BIT);
}
+ if (auxtrace_info->header.size >= sizeof(struct auxtrace_info_event) +
+ (sizeof(u64) * INTEL_PT_MAX_NONTURBO_RATIO)) {
+ pt->max_non_turbo_ratio =
+ auxtrace_info->priv[INTEL_PT_MAX_NONTURBO_RATIO];
+ intel_pt_print_info(&auxtrace_info->priv[0],
+ INTEL_PT_MAX_NONTURBO_RATIO,
+ INTEL_PT_MAX_NONTURBO_RATIO);
+ }
+
pt->timeless_decoding = intel_pt_timeless_decoding(pt);
pt->have_tsc = intel_pt_have_tsc(pt);
pt->sampling_mode = false;
@@ -2156,7 +2166,9 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
if (pt->tc.time_mult) {
u64 tsc_freq = intel_pt_ns_to_ticks(pt, 1000000000);
- pt->max_non_turbo_ratio = (tsc_freq + 50000000) / 100000000;
+ if (!pt->max_non_turbo_ratio)
+ pt->max_non_turbo_ratio =
+ (tsc_freq + 50000000) / 100000000;
intel_pt_log("TSC frequency %"PRIu64"\n", tsc_freq);
intel_pt_log("Maximum non-turbo ratio %u\n",
pt->max_non_turbo_ratio);
diff --git a/tools/perf/util/intel-pt.h b/tools/perf/util/intel-pt.h
index 0065949df693..8b8356233e6a 100644
--- a/tools/perf/util/intel-pt.h
+++ b/tools/perf/util/intel-pt.h
@@ -34,6 +34,7 @@ enum {
INTEL_PT_TSC_CTC_N,
INTEL_PT_TSC_CTC_D,
INTEL_PT_CYC_BIT,
+ INTEL_PT_MAX_NONTURBO_RATIO,
INTEL_PT_AUXTRACE_PRIV_MAX,
};
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