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| author | Andi Kleen <ak@linux.intel.com> | 2016-05-24 22:52:37 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-06-06 23:04:16 +0300 |
| commit | 239bd47f8355eb5defc865cf408824b6cfeca5dc (patch) | |
| tree | 6786c6f67d36700c3757574b864c0549a36c5670 /tools/perf/util/stat.h | |
| parent | 44b1e60ab576c343aa592a2a6c679297cc69740d (diff) | |
| download | linux-239bd47f8355eb5defc865cf408824b6cfeca5dc.tar.xz | |
perf stat: Add computation of TopDown formulas
Implement the TopDown formulas in 'perf stat'. The topdown basic metrics
reported by the kernel are collected, and the formulas are computed and
output as normal metrics.
See the kernel commit exporting the events for details on the used
metrics.
Committer note:
Output example:
# perf stat --topdown -a usleep 1
Performance counter stats for 'system wide':
retiring bad speculation frontend bound backend bound
S0-C0 2 23.8% 11.6% 28.3% 36.3%
S0-C1 2 16.2% 15.7% 36.5% 31.6%
0.000579956 seconds time elapsed
#
v2: Always print all metrics, only use thresholds for coloring.
v3: Mark retiring over threshold green, not red.
v4: Only print one decimal digit
Fix color printing of one metric
v5: Avoid printing -0.0
v6: Remove extra frontend event lookup
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/1464119559-17203-2-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/stat.h')
| -rw-r--r-- | tools/perf/util/stat.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 0150e786ccc7..c29bb94c48a4 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -17,6 +17,11 @@ enum perf_stat_evsel_id { PERF_STAT_EVSEL_ID__TRANSACTION_START, PERF_STAT_EVSEL_ID__ELISION_START, PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP, + PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS, + PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED, + PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED, + PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES, + PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES, PERF_STAT_EVSEL_ID__MAX, }; |