powerpc: perf_event: Enable SDAR in continous sample mode

In continuous sampling mode we want the SDAR to update.  While we can
select between dcache misses and ERAT (L1-TLB) misses, a decent default
is to enable both.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/power6-pmu.c b/arch/powerpc/kernel/power6-pmu.c
index ca399ba5034c..84a607bda8fb 100644
--- a/arch/powerpc/kernel/power6-pmu.c
+++ b/arch/powerpc/kernel/power6-pmu.c
@@ -178,7 +178,7 @@ static int p6_compute_mmcr(u64 event[], int n_ev,
                            unsigned int hwc[], unsigned long mmcr[])
 {
         unsigned long mmcr1 = 0;
-        unsigned long mmcra = 0;
+        unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS;
         int i;
         unsigned int pmc, ev, b, u, s, psel;
         unsigned int ttmset = 0;