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authorAdrian Hunter <adrian.hunter@intel.com>2017-06-30 10:36:42 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-06-30 16:40:20 +0200
commit65c5e18f9df078f40abd22a3f6983eb9804b6d02 (patch)
tree5c3cfaa8d39e34970385f9d0adb042807a98e972 /tools/perf/builtin-script.c
parentperf script: Add 'synth' field for synthesized event payloads (diff)
downloadlinux-65c5e18f9df078f40abd22a3f6983eb9804b6d02.tar.xz
linux-65c5e18f9df078f40abd22a3f6983eb9804b6d02.zip
perf script: Add synthesized Intel PT power and ptwrite events
Add definitions for synthesized Intel PT events for power and ptwrite. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1498811802-2301-1-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-script.c')
-rw-r--r--tools/perf/builtin-script.c114
1 files changed, 113 insertions, 1 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index e87b480bbdd0..b458a0cc3544 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1203,10 +1203,122 @@ static void print_sample_bpf_output(struct perf_sample *sample)
(char *)(sample->raw_data));
}
-static void print_sample_synth(struct perf_sample *sample __maybe_unused,
+static void print_sample_spacing(int len, int spacing)
+{
+ if (len > 0 && len < spacing)
+ printf("%*s", spacing - len, "");
+}
+
+static void print_sample_pt_spacing(int len)
+{
+ print_sample_spacing(len, 34);
+}
+
+static void print_sample_synth_ptwrite(struct perf_sample *sample)
+{
+ struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
+ int len;
+
+ if (perf_sample__bad_synth_size(sample, *data))
+ return;
+
+ len = printf(" IP: %u payload: %#" PRIx64 " ",
+ data->ip, le64_to_cpu(data->payload));
+ print_sample_pt_spacing(len);
+}
+
+static void print_sample_synth_mwait(struct perf_sample *sample)
+{
+ struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
+ int len;
+
+ if (perf_sample__bad_synth_size(sample, *data))
+ return;
+
+ len = printf(" hints: %#x extensions: %#x ",
+ data->hints, data->extensions);
+ print_sample_pt_spacing(len);
+}
+
+static void print_sample_synth_pwre(struct perf_sample *sample)
+{
+ struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
+ int len;
+
+ if (perf_sample__bad_synth_size(sample, *data))
+ return;
+
+ len = printf(" hw: %u cstate: %u sub-cstate: %u ",
+ data->hw, data->cstate, data->subcstate);
+ print_sample_pt_spacing(len);
+}
+
+static void print_sample_synth_exstop(struct perf_sample *sample)
+{
+ struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
+ int len;
+
+ if (perf_sample__bad_synth_size(sample, *data))
+ return;
+
+ len = printf(" IP: %u ", data->ip);
+ print_sample_pt_spacing(len);
+}
+
+static void print_sample_synth_pwrx(struct perf_sample *sample)
+{
+ struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
+ int len;
+
+ if (perf_sample__bad_synth_size(sample, *data))
+ return;
+
+ len = printf(" deepest cstate: %u last cstate: %u wake reason: %#x ",
+ data->deepest_cstate, data->last_cstate,
+ data->wake_reason);
+ print_sample_pt_spacing(len);
+}
+
+static void print_sample_synth_cbr(struct perf_sample *sample)
+{
+ struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
+ unsigned int percent, freq;
+ int len;
+
+ if (perf_sample__bad_synth_size(sample, *data))
+ return;
+
+ freq = (le32_to_cpu(data->freq) + 500) / 1000;
+ len = printf(" cbr: %2u freq: %4u MHz ", data->cbr, freq);
+ if (data->max_nonturbo) {
+ percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
+ len += printf("(%3u%%) ", percent);
+ }
+ print_sample_pt_spacing(len);
+}
+
+static void print_sample_synth(struct perf_sample *sample,
struct perf_evsel *evsel)
{
switch (evsel->attr.config) {
+ case PERF_SYNTH_INTEL_PTWRITE:
+ print_sample_synth_ptwrite(sample);
+ break;
+ case PERF_SYNTH_INTEL_MWAIT:
+ print_sample_synth_mwait(sample);
+ break;
+ case PERF_SYNTH_INTEL_PWRE:
+ print_sample_synth_pwre(sample);
+ break;
+ case PERF_SYNTH_INTEL_EXSTOP:
+ print_sample_synth_exstop(sample);
+ break;
+ case PERF_SYNTH_INTEL_PWRX:
+ print_sample_synth_pwrx(sample);
+ break;
+ case PERF_SYNTH_INTEL_CBR:
+ print_sample_synth_cbr(sample);
+ break;
default:
break;
}