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-rw-r--r--arch/powerpc/perf/core-fsl-emb.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/powerpc/perf/core-fsl-emb.c b/arch/powerpc/perf/core-fsl-emb.c
index 106c53354675..d35ae52c69dc 100644
--- a/arch/powerpc/perf/core-fsl-emb.c
+++ b/arch/powerpc/perf/core-fsl-emb.c
@@ -70,6 +70,12 @@ static unsigned long read_pmc(int idx)
case 3:
val = mfpmr(PMRN_PMC3);
break;
+ case 4:
+ val = mfpmr(PMRN_PMC4);
+ break;
+ case 5:
+ val = mfpmr(PMRN_PMC5);
+ break;
default:
printk(KERN_ERR "oops trying to read PMC%d\n", idx);
val = 0;
@@ -95,6 +101,12 @@ static void write_pmc(int idx, unsigned long val)
case 3:
mtpmr(PMRN_PMC3, val);
break;
+ case 4:
+ mtpmr(PMRN_PMC4, val);
+ break;
+ case 5:
+ mtpmr(PMRN_PMC5, val);
+ break;
default:
printk(KERN_ERR "oops trying to write PMC%d\n", idx);
}
@@ -120,6 +132,12 @@ static void write_pmlca(int idx, unsigned long val)
case 3:
mtpmr(PMRN_PMLCA3, val);
break;
+ case 4:
+ mtpmr(PMRN_PMLCA4, val);
+ break;
+ case 5:
+ mtpmr(PMRN_PMLCA5, val);
+ break;
default:
printk(KERN_ERR "oops trying to write PMLCA%d\n", idx);
}
@@ -145,6 +163,12 @@ static void write_pmlcb(int idx, unsigned long val)
case 3:
mtpmr(PMRN_PMLCB3, val);
break;
+ case 4:
+ mtpmr(PMRN_PMLCB4, val);
+ break;
+ case 5:
+ mtpmr(PMRN_PMLCB5, val);
+ break;
default:
printk(KERN_ERR "oops trying to write PMLCB%d\n", idx);
}
@@ -462,6 +486,12 @@ static int fsl_emb_pmu_event_init(struct perf_event *event)
int num_restricted;
int i;
+ if (ppmu->n_counter > MAX_HWEVENTS) {
+ WARN(1, "No. of perf counters (%d) is higher than max array size(%d)\n",
+ ppmu->n_counter, MAX_HWEVENTS);
+ ppmu->n_counter = MAX_HWEVENTS;
+ }
+
switch (event->attr.type) {
case PERF_TYPE_HARDWARE:
ev = event->attr.config;