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 <[email protected]>
Cc: [email protected]
Cc: [email protected]
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
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 @@
"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") ||
