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authorIngo Molnar <mingo@kernel.org>2015-03-27 10:10:47 +0100
committerIngo Molnar <mingo@kernel.org>2015-03-27 10:10:47 +0100
commitb381e63b48a0b6befc7b4e55408c39012a0dcf8c (patch)
tree92e70447e1b0cf721ef40515db6b97cb881c5066 /arch/powerpc
parent4e6d7c2aa95158315902647963b359b32da5c295 (diff)
parentccd41c86ad4d464d0ed4e48d80759ff85c2115b0 (diff)
downloadop-kernel-dev-b381e63b48a0b6befc7b4e55408c39012a0dcf8c.zip
op-kernel-dev-b381e63b48a0b6befc7b4e55408c39012a0dcf8c.tar.gz
Merge branch 'perf/core' into perf/timer, before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/perf/core-book3s.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 7c4f669..7fd60dcb 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -124,7 +124,7 @@ static unsigned long ebb_switch_in(bool ebb, struct cpu_hw_events *cpuhw)
static inline void power_pmu_bhrb_enable(struct perf_event *event) {}
static inline void power_pmu_bhrb_disable(struct perf_event *event) {}
-static void power_pmu_flush_branch_stack(void) {}
+static void power_pmu_sched_task(struct perf_event_context *ctx, bool sched_in) {}
static inline void power_pmu_bhrb_read(struct cpu_hw_events *cpuhw) {}
static void pmao_restore_workaround(bool ebb) { }
#endif /* CONFIG_PPC32 */
@@ -350,6 +350,7 @@ static void power_pmu_bhrb_enable(struct perf_event *event)
cpuhw->bhrb_context = event->ctx;
}
cpuhw->bhrb_users++;
+ perf_sched_cb_inc(event->ctx->pmu);
}
static void power_pmu_bhrb_disable(struct perf_event *event)
@@ -361,6 +362,7 @@ static void power_pmu_bhrb_disable(struct perf_event *event)
cpuhw->bhrb_users--;
WARN_ON_ONCE(cpuhw->bhrb_users < 0);
+ perf_sched_cb_dec(event->ctx->pmu);
if (!cpuhw->disabled && !cpuhw->bhrb_users) {
/* BHRB cannot be turned off when other
@@ -375,9 +377,12 @@ static void power_pmu_bhrb_disable(struct perf_event *event)
/* Called from ctxsw to prevent one process's branch entries to
* mingle with the other process's entries during context switch.
*/
-static void power_pmu_flush_branch_stack(void)
+static void power_pmu_sched_task(struct perf_event_context *ctx, bool sched_in)
{
- if (ppmu->bhrb_nr)
+ if (!ppmu->bhrb_nr)
+ return;
+
+ if (sched_in)
power_pmu_bhrb_reset();
}
/* Calculate the to address for a branch */
@@ -1901,7 +1906,7 @@ static struct pmu power_pmu = {
.cancel_txn = power_pmu_cancel_txn,
.commit_txn = power_pmu_commit_txn,
.event_idx = power_pmu_event_idx,
- .flush_branch_stack = power_pmu_flush_branch_stack,
+ .sched_task = power_pmu_sched_task,
};
/*
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