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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@samba.org>
Cc: a.p.zijlstra@chello.nl
Cc: paulus@samba.org
LKML-Reference: <20090630230140.995643441@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Anton Blanchard 2009-07-01 09:00:47 +10:00 committed by Ingo Molnar
parent 2ab52083ff
commit 3a3393ef75
1 changed files with 9 additions and 0 deletions
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9
tools/perf/builtin-top.c
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@ -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") ||