Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 03/15] perf stat: Do not align time prefix in CSV output | Date | Wed, 23 Nov 2022 10:01:56 -0800 |
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We don't care about the alignment in the CSV output as it's intended for machine processing. Let's get rid of it to make the output more compact.
Before: # perf stat -a --summary -I 1 -x, true 0.001149309,219.20,msec,cpu-clock,219322251,100.00,219.200,CPUs utilized 0.001149309,144,,context-switches,219241902,100.00,656.935,/sec 0.001149309,38,,cpu-migrations,219173705,100.00,173.358,/sec 0.001149309,61,,page-faults,219093635,100.00,278.285,/sec 0.001149309,10679310,,cycles,218746228,100.00,0.049,GHz 0.001149309,6288296,,instructions,218589869,100.00,0.59,insn per cycle 0.001149309,1386904,,branches,218428851,100.00,6.327,M/sec 0.001149309,56863,,branch-misses,218219951,100.00,4.10,of all branches summary,219.20,msec,cpu-clock,219322251,100.00,20.025,CPUs utilized summary,144,,context-switches,219241902,100.00,656.935,/sec summary,38,,cpu-migrations,219173705,100.00,173.358,/sec summary,61,,page-faults,219093635,100.00,278.285,/sec summary,10679310,,cycles,218746228,100.00,0.049,GHz summary,6288296,,instructions,218589869,100.00,0.59,insn per cycle summary,1386904,,branches,218428851,100.00,6.327,M/sec summary,56863,,branch-misses,218219951,100.00,4.10,of all branches
After: 0.001148449,224.75,msec,cpu-clock,224870589,100.00,224.747,CPUs utilized 0.001148449,176,,context-switches,224775564,100.00,783.103,/sec 0.001148449,38,,cpu-migrations,224707428,100.00,169.079,/sec 0.001148449,61,,page-faults,224629326,100.00,271.416,/sec 0.001148449,12172071,,cycles,224266368,100.00,0.054,GHz 0.001148449,6901907,,instructions,224108764,100.00,0.57,insn per cycle 0.001148449,1515655,,branches,223946693,100.00,6.744,M/sec 0.001148449,70027,,branch-misses,223735385,100.00,4.62,of all branches summary,224.75,msec,cpu-clock,224870589,100.00,21.066,CPUs utilized summary,176,,context-switches,224775564,100.00,783.103,/sec summary,38,,cpu-migrations,224707428,100.00,169.079,/sec summary,61,,page-faults,224629326,100.00,271.416,/sec summary,12172071,,cycles,224266368,100.00,0.054,GHz summary,6901907,,instructions,224108764,100.00,0.57,insn per cycle summary,1515655,,branches,223946693,100.00,6.744,M/sec summary,70027,,branch-misses,223735385,100.00,4.62,of all branches
Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/perf/util/stat-display.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index d86f2f8e020d..15c88b9b5aa3 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -828,7 +828,7 @@ static void print_counter_aggrdata(struct perf_stat_config *config, fprintf(output, "%s", prefix); else if (config->summary && config->csv_output && !config->no_csv_summary && !config->interval) - fprintf(output, "%16s%s", "summary", config->csv_sep); + fprintf(output, "%s%s", "summary", config->csv_sep); } uval = val * counter->scale; @@ -1078,9 +1078,12 @@ static void prepare_interval(struct perf_stat_config *config, if (config->iostat_run) return; - if (!config->json_output) - sprintf(prefix, "%6lu.%09lu%s", (unsigned long) ts->tv_sec, + if (config->csv_output) + sprintf(prefix, "%lu.%09lu%s", (unsigned long) ts->tv_sec, ts->tv_nsec, config->csv_sep); + else if (!config->json_output) + sprintf(prefix, "%6lu.%09lu ", (unsigned long) ts->tv_sec, + ts->tv_nsec); else if (!config->metric_only) sprintf(prefix, "{\"interval\" : %lu.%09lu, ", (unsigned long) ts->tv_sec, ts->tv_nsec); -- 2.38.1.584.g0f3c55d4c2-goog
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