[tip:perf/core] perf test: Clarify the "sample parsing" test entry

[tip-bot for Arnaldo Carvalho de Melo]

Commit-ID:  11a4d435a2d75918039540f08b259969c63b8635
Gitweb:     http://git.kernel.org/tip/11a4d435a2d75918039540f08b259969c63b8635
Author:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Tue, 22 Oct 2013 15:24:58 -0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 23 Oct 2013 09:55:37 -0300

perf test: Clarify the "sample parsing" test entry

Before:

  [root@sandy ~]# perf test -v 22
  22: Test sample parsing                                    :
  --- start ---
  sample format has changed - test needs updating
  ---- end ----
  Test sample parsing: FAILED!
  [root@sandy ~]#

After:

  [root@sandy ~]# perf test -v 22
  22: Test sample parsing                                    :
  --- start ---
  sample format has changed, some new PERF_SAMPLE_ bit was introduced - test needs updating
  ---- end ----
  Test sample parsing: FAILED!
  [root@sandy ~]#

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-8cazc2fpmk70jcbww8c0cobx@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/tests/sample-parsing.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-parsing.c
index 77f598d..17d000c 100644
--- a/tools/perf/tests/sample-parsing.c
+++ b/tools/perf/tests/sample-parsing.c
@@ -276,7 +276,7 @@ int test__sample_parsing(void)
 	 * were added.
 	 */
 	if (PERF_SAMPLE_MAX > PERF_SAMPLE_IDENTIFIER << 1) {
-		pr_debug("sample format has changed - test needs updating\n");
+		pr_debug("sample format has changed, some new PERF_SAMPLE_ bit was introduced - test needs updating\n");
 		return -1;
 	}
 
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