perf report: Add an indication of what time slices are used
authorJin Yao <yao.jin@linux.intel.com>
Wed, 10 Jan 2018 15:00:30 +0000 (23:00 +0800)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 17 Jan 2018 13:23:36 +0000 (10:23 -0300)
commit7425664bbd3174814500c7ab8740cbb9bb25396c
tree3b2addd51662f2b4b6dea0dff27e74a84ae5549c
parent3002812e602d3f991a5b8cdc0499e63e13ff65c4
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>
tools/perf/builtin-report.c