Messages in this thread | | | Date | Sun, 1 Nov 2020 10:24:35 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH v3] perf tools: Support -x for perf stat report |
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On Sat, Oct 31, 2020 at 11:31:33PM -0700, Andi Kleen wrote: > Add support for the -x, option to enable CSV output with perf stat > report. Useful to parse the information with other programs. > > % perf stat record --quiet -a -I 1000 sleep 5 > % perf stat report -x, > 1.000838672,4003.55,msec,cpu-clock,4003548736,100.00,, > 1.000838672,11243,,context-switches,4003631885,100.00,0.003,M/sec > 1.000838672,1682,,cpu-migrations,4003672150,100.00,0.420,K/sec > 1.000838672,13244,,page-faults,4003697471,100.00,0.003,M/sec > 1.000838672,2953214077,,cycles,4003715495,100.00,0.738,GHz > 1.000838672,4380820799,,instructions,4003738270,100.00,1.48,insn per cycle > 1.000838672,809865653,,branches,4003760616,100.00,202.287,M/sec > 1.000838672,12439843,,branch-misses,4003780785,100.00,1.54,of all branches > ... > > Signed-off-by: Andi Kleen <ak@linux.intel.com> > > --- > > v2: Fix default output (Jiri). Also handle \t as special value like the > original parser (Andi) > v3: Use DEFAULT_SEPARATOR
Acked-by: Jiri Olsa <jolsa@redhat.com>
thanks, jirka
> --- > tools/perf/builtin-stat.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c > index 743fe47e7a88..9fcc7351ce43 100644 > --- a/tools/perf/builtin-stat.c > +++ b/tools/perf/builtin-stat.c > @@ -1988,6 +1988,8 @@ static int __cmd_report(int argc, const char **argv) > "aggregate counts per numa node", AGGR_NODE), > OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, > "disable CPU count aggregation", AGGR_NONE), > + OPT_STRING('x', "field-separator", &stat_config.csv_sep, "separator", > + "print counts with custom separator"), > OPT_END() > }; > struct stat st; > @@ -2002,6 +2004,13 @@ static int __cmd_report(int argc, const char **argv) > input_name = "perf.data"; > } > > + if (strcmp(stat_config.csv_sep, DEFAULT_SEPARATOR)) { > + stat_config.csv_output = true; > + if (!strcmp(stat_config.csv_sep, "\\t")) > + stat_config.csv_sep = "\t"; > + stat_config.big_num = false; > + } > + > perf_stat.data.path = input_name; > perf_stat.data.mode = PERF_DATA_MODE_READ; > > -- > 2.28.0 >
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