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

tip-bot for Ingo Molnar
2009-05-26T18:10:27Z

Commit-ID: 3e70611460fe74ad32534fa9791774f6bbdd4159
Gitweb: http://git.kernel.org/tip/3e70611460fe74ad32534fa9791774f6bbdd4159
Author: Ingo Molnar <mingo@elte.hu>
AuthorDate: Tue, 26 May 2009 18:53:17 +0200
Committer: Ingo Molnar <mingo@elte.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@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>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.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;
}