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| author | Jin Yao <yao.jin@linux.intel.com> | 2018-01-10 23:00:30 +0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-01-17 10:23:36 -0300 |
| commit | 7425664bbd3174814500c7ab8740cbb9bb25396c (patch) | |
| tree | 3b2addd51662f2b4b6dea0dff27e74a84ae5549c /tools/perf | |
| parent | 3002812e602d3f991a5b8cdc0499e63e13ff65c4 (diff) | |
| download | linux-7425664bbd3174814500c7ab8740cbb9bb25396c.tar.gz linux-7425664bbd3174814500c7ab8740cbb9bb25396c.tar.bz2 linux-7425664bbd3174814500c7ab8740cbb9bb25396c.zip | |
perf report: Add an indication of what time slices are used
Add a time slices indication to the perf report header.
For example,
# perf report --stdio --time 10%
# Total Lost Samples: 0
#
# Samples: 9K of event 'cycles:ppp' (time slices: 10%)
# Event count (approx.): 8951288803
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Suggested--by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1515596433-24653-6-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-report.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 7d4f0a5de326..4aaaa37262a8 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -404,6 +404,9 @@ static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report if (evname != NULL) ret += fprintf(fp, " of event '%s'", evname); + if (rep->time_str) + ret += fprintf(fp, " (time slices: %s)", rep->time_str); + if (symbol_conf.show_ref_callgraph && strstr(evname, "call-graph=no")) { ret += fprintf(fp, ", show reference callgraph"); |