From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 28/32] perf report: Add an indication of what time slices are used Date: Wed, 17 Jan 2018 13:12:18 -0300 Message-ID: <20180117161222.15611-29-acme@kernel.org> References: <20180117161222.15611-1-acme@kernel.org> Return-path: In-Reply-To: <20180117161222.15611-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Jin Yao , Alexander Shishkin , Andi Kleen , Kan Liang , Peter Zijlstra , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Jin Yao 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 Suggested--by: Arnaldo Carvalho de Melo Tested-by: Arnaldo Carvalho de Melo Reviewed-by: Jiri Olsa Cc: Alexander Shishkin Cc: Andi Kleen Cc: Kan Liang Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1515596433-24653-6-git-send-email-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-report.c | 3 +++ 1 file changed, 3 insertions(+) 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"); -- 2.14.3