perf stat: Add extra output of counter values with -vv
authorAndi Kleen <ak@linux.intel.com>
Wed, 27 Apr 2016 20:00:51 +0000 (13:00 -0700)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 6 May 2016 16:00:56 +0000 (13:00 -0300)
Add debug output of raw counter values per CPU when perf stat -v is
specified, together with their cpu numbers.  This is very useful to
debug problems with per core counters, where we can normally only see
aggregated values.

v2: Make it depend on -vv, not -v

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1461787251-6702-12-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-stat.c

index 1f19f2f999c841b9da140e10bcaf5e6e0f41ee6b..5645a8361de6f494b1f9b56475dec3a5dd959d9d 100644 (file)
@@ -298,6 +298,14 @@ static int read_counter(struct perf_evsel *counter)
                                        return -1;
                                }
                        }
+
+                       if (verbose > 1) {
+                               fprintf(stat_config.output,
+                                       "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
+                                               perf_evsel__name(counter),
+                                               cpu,
+                                               count->val, count->ena, count->run);
+                       }
                }
        }