linux-kernel - [PATCH 11/11] perf, tools, stat: Add extra output of counter values with -v

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Date:	Mon,  4 Apr 2016 13:41:54 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	peterz@...radead.org, acme@...nel.org
Cc:	jolsa@...nel.org, linux-kernel@...r.kernel.org, mingo@...nel.org,
	Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 11/11] perf, tools, stat: Add extra output of counter values with -v

From: Andi Kleen <ak@...ux.intel.com>

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.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 tools/perf/builtin-stat.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 6d8ce72cd8c1..0ee224b80056 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -314,6 +314,14 @@ static int read_counter(struct perf_evsel *counter)
 					return -1;
 				}
 			}
+
+			if (verbose) {
+				fprintf(stat_config.output,
+					"%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
+						perf_evsel__name(counter),
+						cpu,
+						count->val, count->ena, count->run);
+			}
 		}
 	}
 
-- 
2.5.5