linux-kernel - [tip:perfcounters/core] perf report: add counter for unknown events

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Date:	Tue, 26 May 2009 18:09:30 GMT
From:	tip-bot for Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, paulus@...ba.org,
	hpa@...or.com, mingo@...hat.com, jkacur@...hat.com,
	a.p.zijlstra@...llo.nl, efault@....de, mtosatti@...hat.com,
	tglx@...utronix.de, cjashfor@...ux.vnet.ibm.com, mingo@...e.hu
Subject: [tip:perfcounters/core] perf report: add counter for unknown events

Commit-ID:  3e70611460fe74ad32534fa9791774f6bbdd4159
Gitweb:     http://git.kernel.org/tip/3e70611460fe74ad32534fa9791774f6bbdd4159
Author:     Ingo Molnar <mingo@...e.hu>
AuthorDate: Tue, 26 May 2009 18:53:17 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Tue, 26 May 2009 18:53:17 +0200

perf report: add counter for unknown events

Add a counter for unknown event records.

[ Impact: improve debugging ]

Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@...hat.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: John Kacur <jkacur@...hat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 Documentation/perf_counter/builtin-report.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
index 8ea8aaa..4b5ccc5 100644
--- a/Documentation/perf_counter/builtin-report.c
+++ b/Documentation/perf_counter/builtin-report.c
@@ -645,7 +645,7 @@ static int __cmd_report(void)
 	char *buf;
 	event_t *event;
 	int ret, rc = EXIT_FAILURE;
-	unsigned long total = 0, total_mmap = 0, total_comm = 0;
+	unsigned long total = 0, total_mmap = 0, total_comm = 0, total_unknown;
 
 	input = open(input_name, O_RDONLY);
 	if (input < 0) {
@@ -785,6 +785,7 @@ more:
 	default: {
 		fprintf(stderr, "skipping unknown header type: %d\n",
 			event->header.type);
+		total_unknown++;
 	}
 	}
 
@@ -796,9 +797,10 @@ done:
 	close(input);
 
 	if (dump_trace) {
-		fprintf(stderr, "   IP events: %10ld\n", total);
-		fprintf(stderr, " mmap events: %10ld\n", total_mmap);
-		fprintf(stderr, " comm events: %10ld\n", total_comm);
+		fprintf(stderr, "      IP events: %10ld\n", total);
+		fprintf(stderr, "    mmap events: %10ld\n", total_mmap);
+		fprintf(stderr, "    comm events: %10ld\n", total_comm);
+		fprintf(stderr, " unknown events: %10ld\n", total_unknown);
 
 		return 0;
 	}
--
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