From: Anton Blanchard <anton@samba.org>
To: paulus@samba.org, benh@kernel.crashing.org,
a.p.zijlstra@chello.nl, mingo@elte.hu
Cc: linuxppc-dev@lists.ozlabs.org
Subject: [PATCH] powerpc/perf_counter: Log invalid data addresses as all 1s
Date: Tue, 22 Sep 2009 12:56:10 +1000 [thread overview]
Message-ID: <20090922025610.GE31801@kryten> (raw)
When we take an exception and the SDAR isn't synchronised we currently
log 0 as the address. Unfortunately this is a pretty common value, so
use ~OUL instead.
Signed-off-by: Anton Blanchard <anton@samba.org>
---
Index: linux.trees.git/arch/powerpc/kernel/perf_event.c
===================================================================
--- linux.trees.git.orig/arch/powerpc/kernel/perf_event.c 2009-09-22 11:54:32.000000000 +1000
+++ linux.trees.git/arch/powerpc/kernel/perf_event.c 2009-09-22 11:59:33.000000000 +1000
@@ -1162,7 +1162,7 @@ static void record_and_restart(struct pe
*/
if (record) {
struct perf_sample_data data = {
- .addr = 0,
+ .addr = ~0ULL,
.period = event->hw.last_period,
};
reply other threads:[~2009-09-22 2:56 UTC|newest]
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