[tip:perf/core] perf tools: Output 'perf list' to stdout not stderr

From: tip-bot for Marti Raudsepp
Date: Tue Oct 27 2009 - 09:55:39 EST


Commit-ID: 689d30187828afe1faedf050b2f7593515b90c76
Gitweb: http://git.kernel.org/tip/689d30187828afe1faedf050b2f7593515b90c76
Author: Marti Raudsepp <marti@xxxxxxxxx>
AuthorDate: Tue, 27 Oct 2009 00:33:05 +0000
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Tue, 27 Oct 2009 14:52:32 +0100

perf tools: Output 'perf list' to stdout not stderr

Writing to stdout is probably the expected behavior because the
user explicitly asked for a list.

Signed-off-by: Marti Raudsepp <marti@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
LKML-Reference: <4ebb59420ef057972167.1256603585@localhost>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
tools/perf/util/parse-events.c | 20 ++++++++++----------
1 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index e9e6d5c..31baa5a 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -806,7 +806,7 @@ static void print_tracepoint_events(void)
for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
snprintf(evt_path, MAXPATHLEN, "%s:%s",
sys_dirent.d_name, evt_dirent.d_name);
- fprintf(stderr, " %-42s [%s]\n", evt_path,
+ printf(" %-42s [%s]\n", evt_path,
event_type_descriptors[PERF_TYPE_TRACEPOINT+1]);
}
closedir(evt_dir);
@@ -823,8 +823,8 @@ void print_events(void)
unsigned int i, type, op, prev_type = -1;
char name[40];

- fprintf(stderr, "\n");
- fprintf(stderr, "List of pre-defined events (to be used in -e):\n");
+ printf("\n");
+ printf("List of pre-defined events (to be used in -e):\n");

for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) {
type = syms->type + 1;
@@ -832,19 +832,19 @@ void print_events(void)
type = 0;

if (type != prev_type)
- fprintf(stderr, "\n");
+ printf("\n");

if (strlen(syms->alias))
sprintf(name, "%s OR %s", syms->symbol, syms->alias);
else
strcpy(name, syms->symbol);
- fprintf(stderr, " %-42s [%s]\n", name,
+ printf(" %-42s [%s]\n", name,
event_type_descriptors[type]);

prev_type = type;
}

- fprintf(stderr, "\n");
+ printf("\n");
for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
/* skip invalid cache type */
@@ -852,17 +852,17 @@ void print_events(void)
continue;

for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
- fprintf(stderr, " %-42s [%s]\n",
+ printf(" %-42s [%s]\n",
event_cache_name(type, op, i),
event_type_descriptors[4]);
}
}
}

- fprintf(stderr, "\n");
- fprintf(stderr, " %-42s [raw hardware event descriptor]\n",
+ printf("\n");
+ printf(" %-42s [raw hardware event descriptor]\n",
"rNNN");
- fprintf(stderr, "\n");
+ printf("\n");

print_tracepoint_events();

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/