From 81cd5ae303e88a1e9d3a3e0f1fe8abd100edde16 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Tue, 27 Oct 2009 18:31:29 +0000
Subject: 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>
---
arch/powerpc/kernel/power6-pmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'arch/powerpc/kernel/power6-pmu.c')
diff --git a/arch/powerpc/kernel/power6-pmu.c b/arch/powerpc/kernel/power6-pmu.c
index ca399ba5034..84a607bda8f 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;
--
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