diff options
| author | Paul A. Clarke <[email protected]> | 2020-05-07 09:18:07 -0500 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2020-05-28 10:03:25 -0300 |
| commit | d4d5ca0baac3de82c00ebc7677ee84537c31ba3c (patch) | |
| tree | c68f280942bf1d2e582e2baaf1c76a3928cdf4ec | |
| parent | 9be27a5d416925aef4ff816379c31b8cd18ff55d (diff) | |
perf stat: Increase perf metric output resolution
Add another digit of precision to the perf metrics output.
Before:
$ /usr/bin/perf stat --metrics run_cpi /bin/ls
[...]
4,345,526 pm_run_cyc # 1.1 run_cpi
3,818,069 pm_run_inst_cmpl
[...]
$ /usr/bin/perf stat --metrics run_cpi --metric-only /bin/ls
[...]
run_cpi
1.1
[...]
After:
$ perf stat --metrics run_cpi /bin/ls
[...]
4,280,882 pm_run_cyc # 1.12 run_cpi
3,817,016 pm_run_inst_cmpl
[...]
$ perf stat --metrics run_cpi --metric-only /bin/ls
[...]
run_cpi
1.06
[...]
Cc: Andi Kleen <[email protected]>
Cc: Jin Yao <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Namhyung Kim <[email protected]>
Signed-off-by: Paul Clarke <[email protected]>
LPU-Reference: [email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
| -rw-r--r-- | tools/perf/util/stat-shadow.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 129b8c5f2538..9bd7a8d2a858 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -797,7 +797,7 @@ static void generic_metric(struct perf_stat_config *config, print_metric(config, ctxp, NULL, "%8.1f", metric_bf, ratio); } else { - print_metric(config, ctxp, NULL, "%8.1f", + print_metric(config, ctxp, NULL, "%8.2f", metric_name ? metric_name : out->force_header ? name : "", |