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authorIngo Molnar <mingo@elte.hu>2009-06-04 14:21:16 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-04 14:21:16 +0200
commit05ca061eb9704ad9b0739f88046276792b75f2c1 (patch)
treef3a7962a9879d547a37bcd41996d733fb73a5d7d /Documentation
parentbd74137ec9aaca3df3ff22b92455fddf7afaced1 (diff)
perf report: Print out the total number of events
So that the statistical quality of the profile can be estimated at a glance. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/perf_counter/builtin-report.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
index 15fe9dae792..be392e0f77c 100644
--- a/Documentation/perf_counter/builtin-report.c
+++ b/Documentation/perf_counter/builtin-report.c
@@ -722,6 +722,8 @@ static size_t output__fprintf(FILE *fp, uint64_t total_samples)
size_t ret = 0;
fprintf(fp, "#\n");
+ fprintf(fp, "# (%Ld profiler events)\n", (__u64)total_samples);
+ fprintf(fp, "#\n");
fprintf(fp, "# Overhead");
list_for_each_entry(se, &hist_entry__sort_list, list)