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Subject[tip:perfcounters/urgent] perf top: Move skip symbols to an array
Commit-ID:  2ab52083ffc057014e502cf3473adc41436922fa
Gitweb: http://git.kernel.org/tip/2ab52083ffc057014e502cf3473adc41436922fa
Author: Anton Blanchard <anton@samba.org>
AuthorDate: Wed, 1 Jul 2009 09:00:46 +1000
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Wed, 1 Jul 2009 01:25:19 +0200

perf top: Move skip symbols to an array

Move the list of symbols we skip into an array, making it
easier to add new ones.

Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: a.p.zijlstra@chello.nl
Cc: paulus@samba.org
LKML-Reference: <20090630230140.904782938@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>


---
tools/perf/builtin-top.c | 24 +++++++++++++++++-------
1 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 5c29655..731ec6d 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -286,11 +286,22 @@ static void *display_thread(void *arg)
return NULL;
}

+/* Tag samples to be skipped. */
+char *skip_symbols[] = {
+ "default_idle",
+ "cpu_idle",
+ "enter_idle",
+ "exit_idle",
+ "mwait_idle",
+ NULL
+};
+
static int symbol_filter(struct dso *self, struct symbol *sym)
{
static int filter_match;
struct sym_entry *syme;
const char *name = sym->name;
+ int i;

if (!strcmp(name, "_text") ||
!strcmp(name, "_etext") ||
@@ -302,13 +313,12 @@ static int symbol_filter(struct dso *self, struct symbol *sym)
return 1;

syme = dso__sym_priv(self, sym);
- /* Tag samples to be skipped. */
- if (!strcmp("default_idle", name) ||
- !strcmp("cpu_idle", name) ||
- !strcmp("enter_idle", name) ||
- !strcmp("exit_idle", name) ||
- !strcmp("mwait_idle", name))
- syme->skip = 1;
+ for (i = 0; skip_symbols[i]; i++) {
+ if (!strcmp(skip_symbols[i], name)) {
+ syme->skip = 1;
+ break;
+ }
+ }

if (filter_match == 1) {
filter_end = sym->start;

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