Messages in this thread | | | Date | Thu, 17 Dec 2015 20:46:29 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH 17/25] perf stat report: Move csv_sep initialization before report command |
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On Thu, Dec 17, 2015 at 03:57:07PM -0300, Arnaldo Carvalho de Melo wrote: > Em Thu, Nov 05, 2015 at 03:41:01PM +0100, Jiri Olsa escreveu: > > So we have csv_sep properly initialized before > > report command leg. > > I moved this to before "perf stat report: Process stat and stat round > events" so that what you wrote above makes sense, i.e. after this patch > nothing is produced by 'perf stat report' and right after the stat and > stat round one is applied I get: > > [acme@ssdandy linux]$ perf stat report > > Performance counter stats for '/home/acme/bin/perf stat record usleep 1': > > 0.411636 task-clock (msec) # 0.571 CPUs utilized > 2 context-switches # 0.005 M/sec > 0 cpu-migrations # 0.000 K/sec > 149 page-faults # 0.362 M/sec > 1,291,807 cycles # 3.138 GHz > 959,632 stalled-cycles-frontend # 74.29% frontend cycles idle > 703,170 stalled-cycles-backend # 54.43% backend cycles idle > 757,538 instructions # 0.59 insns per cycle > # 1.27 stalled cycles per insn > 133,293 branches # 323.813 M/sec > <not counted> branch-misses (0.00%) > > 0.000720394 seconds time elapsed > > [acme@ssdandy linux]$ > > And not this ugly thing: > > [acme@ssdandy linux]$ perf stat report > > Performance counter stats for '/home/acme/bin/perf stat record usleep 1': > > 0.411636(null) (null)task-clock (msec) # 0.571 CPUs utilized > 2(null) (null)context-switches # 0.005 M/sec > 0(null) (null)cpu-migrations # 0.000 K/sec > 149(null) (null)page-faults # 0.362 M/sec > 1,291,807(null) (null)cycles # 3.138 GHz > 959,632(null) (null)stalled-cycles-frontend # 74.29% frontend cycles idle > 703,170(null) (null)stalled-cycles-backend # 54.43% backend cycles idle > 757,538(null) (null)instructions # 0.59 insns per cycle > # 1.27 stalled cycles per insn > 133,293(null) (null)branches # 323.813 M/sec > <not counted>(null) (null)branch-misses (0.00%) > > 0.000720394 seconds time elapsed > > [acme@ssdandy linux]$
sounds good, thanks
jirka
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