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powerpc: perf_event: Log invalid data addresses as all 1s

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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 ~0UL instead.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Anton Blanchard 2009-09-21 16:56:10 +00:00 • committed by Paul Mackerras
parent a3ccf63ee6
commit bc284e5d9d
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/kernel/perf_event.c
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@ -1162,7 +1162,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
*/ */
if (record) { if (record) {
struct perf_sample_data data = { struct perf_sample_data data = {
.addr = 0, .addr = ~0ULL,
.period = event->hw.last_period, .period = event->hw.last_period,
}; };