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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2010-06-14 08:49:00 +0200
committerIngo Molnar <mingo@elte.hu>2010-09-09 20:46:29 +0200
commit33696fc0d141bbbcb12f75b69608ea83282e3117 (patch)
tree72e08dba377d57eb7dd8c08a937a6de10e8af9c4 /arch/powerpc/kernel/perf_event_fsl_emb.c
parentperf: Reduce perf_disable() usage (diff)
downloadlinux-dev-33696fc0d141bbbcb12f75b69608ea83282e3117.tar.xz
linux-dev-33696fc0d141bbbcb12f75b69608ea83282e3117.zip
perf: Per PMU disable
Changes perf_disable() into perf_pmu_disable(). Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: paulus <paulus@samba.org> Cc: stephane eranian <eranian@googlemail.com> Cc: Robert Richter <robert.richter@amd.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Lin Ming <ming.m.lin@intel.com> Cc: Yanmin <yanmin_zhang@linux.intel.com> Cc: Deng-Cheng Zhu <dengcheng.zhu@gmail.com> Cc: David Miller <davem@davemloft.net> Cc: Michael Cree <mcree@orcon.net.nz> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/kernel/perf_event_fsl_emb.c')
-rw-r--r--arch/powerpc/kernel/perf_event_fsl_emb.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c
index 9bc84a7fd901..84b1974c628f 100644
--- a/arch/powerpc/kernel/perf_event_fsl_emb.c
+++ b/arch/powerpc/kernel/perf_event_fsl_emb.c
@@ -177,7 +177,7 @@ static void fsl_emb_pmu_read(struct perf_event *event)
* Disable all events to prevent PMU interrupts and to allow
* events to be added or removed.
*/
-void hw_perf_disable(void)
+static void fsl_emb_pmu_pmu_disable(struct pmu *pmu)
{
struct cpu_hw_events *cpuhw;
unsigned long flags;
@@ -216,7 +216,7 @@ void hw_perf_disable(void)
* If we were previously disabled and events were added, then
* put the new config on the PMU.
*/
-void hw_perf_enable(void)
+static void fsl_emb_pmu_pmu_enable(struct pmu *pmu)
{
struct cpu_hw_events *cpuhw;
unsigned long flags;
@@ -271,7 +271,7 @@ static int fsl_emb_pmu_enable(struct perf_event *event)
u64 val;
int i;
- perf_disable();
+ perf_pmu_disable(event->pmu);
cpuhw = &get_cpu_var(cpu_hw_events);
if (event->hw.config & FSL_EMB_EVENT_RESTRICTED)
@@ -311,7 +311,7 @@ static int fsl_emb_pmu_enable(struct perf_event *event)
ret = 0;
out:
put_cpu_var(cpu_hw_events);
- perf_enable();
+ perf_pmu_enable(event->pmu);
return ret;
}
@@ -321,7 +321,7 @@ static void fsl_emb_pmu_disable(struct perf_event *event)
struct cpu_hw_events *cpuhw;
int i = event->hw.idx;
- perf_disable();
+ perf_pmu_disable(event->pmu);
if (i < 0)
goto out;
@@ -349,7 +349,7 @@ static void fsl_emb_pmu_disable(struct perf_event *event)
cpuhw->n_events--;
out:
- perf_enable();
+ perf_pmu_enable(event->pmu);
put_cpu_var(cpu_hw_events);
}
@@ -367,7 +367,7 @@ static void fsl_emb_pmu_unthrottle(struct perf_event *event)
if (event->hw.idx < 0 || !event->hw.sample_period)
return;
local_irq_save(flags);
- perf_disable();
+ perf_pmu_disable(event->pmu);
fsl_emb_pmu_read(event);
left = event->hw.sample_period;
event->hw.last_period = left;
@@ -378,7 +378,7 @@ static void fsl_emb_pmu_unthrottle(struct perf_event *event)
local64_set(&event->hw.prev_count, val);
local64_set(&event->hw.period_left, left);
perf_event_update_userpage(event);
- perf_enable();
+ perf_pmu_enable(event->pmu);
local_irq_restore(flags);
}
@@ -524,6 +524,8 @@ static int fsl_emb_pmu_event_init(struct perf_event *event)
}
static struct pmu fsl_emb_pmu = {
+ .pmu_enable = fsl_emb_pmu_pmu_enable,
+ .pmu_disable = fsl_emb_pmu_pmu_disable,
.event_init = fsl_emb_pmu_event_init,
.enable = fsl_emb_pmu_enable,
.disable = fsl_emb_pmu_disable,