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authorDavid S. Miller <davem@davemloft.net>2009-09-10 07:13:26 -0700
committerDavid S. Miller <davem@davemloft.net>2009-09-10 07:13:26 -0700
commit660d13765f342ecb6e774fcbc35b64beb0a069da (patch)
tree95987ea10feb7546ec6539742c60a89a129a2e21 /arch/sparc
parent496c07e3b43475124d7f2d77fafbc1f5055abfee (diff)
sparc64: Perf counter 'nop' event is not constant.
On Niagara-2, for example, it's going to be different. So make it something specified in sparc_pmu. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/kernel/perf_counter.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/sparc/kernel/perf_counter.c b/arch/sparc/kernel/perf_counter.c
index 0cd5487b341..f3b8ccca3c9 100644
--- a/arch/sparc/kernel/perf_counter.c
+++ b/arch/sparc/kernel/perf_counter.c
@@ -52,9 +52,6 @@
#define PIC_UPPER_INDEX 0
#define PIC_LOWER_INDEX 1
-#define PIC_UPPER_NOP 0x1c
-#define PIC_LOWER_NOP 0x14
-
struct cpu_hw_counters {
struct perf_counter *counters[MAX_HWCOUNTERS];
unsigned long used_mask[BITS_TO_LONGS(MAX_HWCOUNTERS)];
@@ -79,6 +76,8 @@ struct sparc_pmu {
int event_mask;
int hv_bit;
int irq_bit;
+ int upper_nop;
+ int lower_nop;
};
static const struct perf_event_map ultra3i_perfmon_event_map[] = {
@@ -99,6 +98,8 @@ static const struct sparc_pmu ultra3i_pmu = {
.upper_shift = 11,
.lower_shift = 4,
.event_mask = 0x3f,
+ .upper_nop = 0x1c,
+ .lower_nop = 0x14,
};
static const struct sparc_pmu *sparc_pmu __read_mostly;
@@ -120,7 +121,8 @@ static u64 mask_for_index(int idx)
static u64 nop_for_index(int idx)
{
return event_encoding(idx == PIC_UPPER_INDEX ?
- PIC_UPPER_NOP : PIC_LOWER_NOP, idx);
+ sparc_pmu->upper_nop :
+ sparc_pmu->lower_nop, idx);
}
static inline void sparc_pmu_enable_counter(struct hw_perf_counter *hwc,