Filter out some ppc64 specific idle loop functions and remove leading '.' on
ppc64 text symbols.

Signed-off-by: Anton Blanchard <anton@samba.org>
---

Do we want to wrap them with #ifdef __PPC__ ?

Index: linux-2.6-tip/tools/perf/builtin-top.c
===================================================================
--- linux-2.6-tip.orig/tools/perf/builtin-top.c	2009-07-01 08:21:31.000000000 +1000
+++ linux-2.6-tip/tools/perf/builtin-top.c	2009-07-01 08:21:36.000000000 +1000
@@ -293,6 +293,8 @@
 	"enter_idle",
 	"exit_idle",
 	"mwait_idle",
+	"ppc64_runlatch_off",
+	"pseries_dedicated_idle_sleep",
 	NULL
 };
 
@@ -303,6 +305,13 @@
 	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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