xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

perf script: Add synthesized Intel PT power and ptwrite events

Browse Source 
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>
This commit is contained in:
Adrian Hunter
2017-06-30 11:36:42 +03:00
committed by Arnaldo Carvalho de Melo
parent 47e780848e
commit 65c5e18f9d
2 changed files with 231 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

114
tools/perf/builtin-script.c
View File

@@ -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;
}