From 3a3393ef75a14ae259a82f3f38624efa17884168 Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Wed, 1 Jul 2009 09:00:47 +1000 Subject: [PATCH] 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 Cc: a.p.zijlstra@chello.nl Cc: paulus@samba.org LKML-Reference: <20090630230140.995643441@samba.org> Signed-off-by: Ingo Molnar --- tools/perf/builtin-top.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 731ec6d79c1..0506cd6e04c 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") ||