Messages in this thread | | | From | Arnaldo Carvalho de Melo <> | Date | Mon, 6 Apr 2020 11:12:06 -0300 | Subject | Re: [PATCH] perf stat: Fix no metric header if --per-socket and --metric-only set |
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Em Fri, Apr 03, 2020 at 11:45:00AM +0200, Jiri Olsa escreveu: > On Wed, Apr 01, 2020 at 02:02:26AM +0800, Jin Yao wrote: > > We received a report that was no metric header displayed if --per-socket > > and --metric-only were both set. > > > > It's hard for script to parse the perf-stat output. This patch fixes this > > issue. > > > > Before: > > > > root@kbl-ppc:~# perf stat -a -M CPI --metric-only --per-socket > > ^C > > Performance counter stats for 'system wide': > > > > S0 8 2.6 > > > > 2.215270071 seconds time elapsed > > > > root@kbl-ppc:~# perf stat -a -M CPI --metric-only --per-socket -I1000 > > # time socket cpus > > 1.000411692 S0 8 2.2 > > 2.001547952 S0 8 3.4 > > 3.002446511 S0 8 3.4 > > 4.003346157 S0 8 4.0 > > 5.004245736 S0 8 0.3 > > > > After: > > > > root@kbl-ppc:~# perf stat -a -M CPI --metric-only --per-socket > > ^C > > Performance counter stats for 'system wide': > > > > CPI > > S0 8 2.1 > > > > 1.813579830 seconds time elapsed > > > > root@kbl-ppc:~# perf stat -a -M CPI --metric-only --per-socket -I1000 > > # time socket cpus CPI > > 1.000415122 S0 8 3.2 > > 2.001630051 S0 8 2.9 > > 3.002612278 S0 8 4.3 > > 4.003523594 S0 8 3.0 > > 5.004504256 S0 8 3.7 > > > > Signed-off-by: Jin Yao <yao.jin@linux.intel.com> > > Acked-by: Jiri Olsa <jolsa@redhat.com>
Thanks, applied.
- Arnaldo
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