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| author | Ingo Molnar <mingo@elte.hu> | 2011-04-29 14:41:28 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-04-29 14:35:49 +0200 |
| commit | 129c04cb8ce2e4bf3f17223f58ef16aa8a2cb3b8 (patch) | |
| tree | dd6bacbcefee60d18e0f962df5650d2b48febcf8 /tools/perf/builtin-stat.c | |
| parent | 91fc4cc00099986bc1ba50e1f421c3548cffae42 (diff) | |
| download | linux-129c04cb8ce2e4bf3f17223f58ef16aa8a2cb3b8.tar.gz linux-129c04cb8ce2e4bf3f17223f58ef16aa8a2cb3b8.tar.bz2 linux-129c04cb8ce2e4bf3f17223f58ef16aa8a2cb3b8.zip | |
perf tools: Add front-end and back-end stalled cycles support
Update perf tooling to deal with front-end and back-end stalled cycles events.
Add both the default 'perf stat' output.
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/n/tip-7y40wib8n002io7hjpn1dsrm@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/builtin-stat.c')
| -rw-r--r-- | tools/perf/builtin-stat.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index da77077450cf..6a4a8a399d95 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -66,7 +66,8 @@ static struct perf_event_attr default_attrs[] = { { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, @@ -84,7 +85,8 @@ static struct perf_event_attr detailed_attrs[] = { { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, @@ -249,7 +251,7 @@ static void update_shadow_stats(struct perf_evsel *counter, u64 *count) update_stats(&runtime_nsecs_stats[0], count[0]); else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) update_stats(&runtime_cycles_stats[0], count[0]); - else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES)) + else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND)) update_stats(&runtime_stalled_cycles_stats[0], count[0]); else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS)) update_stats(&runtime_branches_stats[0], count[0]); @@ -607,7 +609,7 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg) fprintf(stderr, " # %8.3f %% of all cache refs ", ratio); - } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES)) { + } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) { print_stalled_cycles(cpu, evsel, avg); } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) { total = avg_stats(&runtime_nsecs_stats[cpu]); |