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Diffstat (limited to 'tools/perf/arch/x86/util/intel-pt.c')
-rw-r--r--tools/perf/arch/x86/util/intel-pt.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index f630de0206a1..9535be57033f 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -40,10 +40,6 @@
#define KiB_MASK(x) (KiB(x) - 1)
#define MiB_MASK(x) (MiB(x) - 1)
-#define INTEL_PT_DEFAULT_SAMPLE_SIZE KiB(4)
-
-#define INTEL_PT_MAX_SAMPLE_SIZE KiB(60)
-
#define INTEL_PT_PSB_PERIOD_NEAR 256
struct intel_pt_snapshot_ref {
@@ -196,6 +192,7 @@ static u64 intel_pt_default_config(struct perf_pmu *intel_pt_pmu)
int psb_cyc, psb_periods, psb_period;
int pos = 0;
u64 config;
+ char c;
pos += scnprintf(buf + pos, sizeof(buf) - pos, "tsc");
@@ -229,6 +226,10 @@ static u64 intel_pt_default_config(struct perf_pmu *intel_pt_pmu)
}
}
+ if (perf_pmu__scan_file(intel_pt_pmu, "format/pt", "%c", &c) == 1 &&
+ perf_pmu__scan_file(intel_pt_pmu, "format/branch", "%c", &c) == 1)
+ pos += scnprintf(buf + pos, sizeof(buf) - pos, ",pt,branch");
+
pr_debug2("%s default config: %s\n", intel_pt_pmu->name, buf);
intel_pt_parse_terms(&intel_pt_pmu->format, buf, &config);