summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/perf_counter.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/perf_counter.c')
-rw-r--r--arch/powerpc/kernel/perf_counter.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/perf_counter.c b/arch/powerpc/kernel/perf_counter.c
index d05651584d43..e4349281b07d 100644
--- a/arch/powerpc/kernel/perf_counter.c
+++ b/arch/powerpc/kernel/perf_counter.c
@@ -417,6 +417,8 @@ void hw_perf_restore(u64 disable)
atomic64_set(&counter->hw.prev_count, val);
counter->hw.idx = hwc_index[i] + 1;
write_pmc(counter->hw.idx, val);
+ if (counter->user_page)
+ perf_counter_update_userpage(counter);
}
mb();
cpuhw->mmcr[0] |= MMCR0_PMXE | MMCR0_FCECE;
@@ -572,6 +574,8 @@ static void power_perf_disable(struct perf_counter *counter)
ppmu->disable_pmc(counter->hw.idx - 1, cpuhw->mmcr);
write_pmc(counter->hw.idx, 0);
counter->hw.idx = 0;
+ if (counter->user_page)
+ perf_counter_update_userpage(counter);
break;
}
}
@@ -698,6 +702,8 @@ static void record_and_restart(struct perf_counter *counter, long val,
write_pmc(counter->hw.idx, val);
atomic64_set(&counter->hw.prev_count, val);
atomic64_set(&counter->hw.period_left, left);
+ if (counter->user_page)
+ perf_counter_update_userpage(counter);
/*
* Finally record data if requested.
OpenPOWER on IntegriCloud