Commit-ID: 3a3393ef75a14ae259a82f3f38624efa17884168
Gitweb: http://git.kernel.org/tip/3a3393ef75a14ae259a82f3f38624efa17884168
Author: Anton Blanchard <anton@xxxxxxxxx>
AuthorDate: Wed, 1 Jul 2009 09:00:47 +1000
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Wed, 1 Jul 2009 01:25:19 +0200
perf top: Add ppc64 specific skip symbols and strip ppc64 . prefix
Filter out some ppc64 specific idle loop functions and remove
leading '.' on ppc64 text symbols.
Signed-off-by: Anton Blanchard <anton@xxxxxxxxx>
Cc: a.p.zijlstra@xxxxxxxxx
Cc: paulus@xxxxxxxxx
LKML-Reference: <20090630230140.995643441@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
tools/perf/builtin-top.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 731ec6d..0506cd6 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -293,6 +293,8 @@ char *skip_symbols[] = {
"enter_idle",
"exit_idle",
"mwait_idle",
+ "ppc64_runlatch_off",
+ "pseries_dedicated_idle_sleep",
NULL
};
@@ -303,6 +305,13 @@ static int symbol_filter(struct dso *self, struct symbol *sym)
const char *name = sym->name;
int i;
+ /*
+ * ppc64 uses function descriptors and appends a '.' to the
+ * start of every instruction address. Remove it.
+ */
+ if (name[0] == '.')
+ name++;
+
if (!strcmp(name, "_text") ||
!strcmp(name, "_etext") ||
!strcmp(name, "_sinittext") ||
--
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