[PATCH 2 of 2] perf tools: output 'perf list' to stdout not stderr

From: Marti Raudsepp
Date: Mon Oct 26 2009 - 20:33:33 EST


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

Signed-off-by: Marti Raudsepp <marti@xxxxxxxxx>

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -784,7 +784,7 @@
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);
@@ -801,8 +801,8 @@
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;
@@ -810,19 +810,19 @@
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 */
@@ -830,17 +830,17 @@
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();

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