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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/alpha
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/alpha')
-rw-r--r--arch/alpha/kernel/perf_event.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c
index 19660b5c298f..3e260731f8e6 100644
--- a/arch/alpha/kernel/perf_event.c
+++ b/arch/alpha/kernel/perf_event.c
@@ -435,7 +435,7 @@ static int alpha_pmu_enable(struct perf_event *event)
* nevertheless we disable the PMCs first to enable a potential
* final PMI to occur before we disable interrupts.
*/
- perf_disable();
+ perf_pmu_disable(event->pmu);
local_irq_save(flags);
/* Default to error to be returned */
@@ -456,7 +456,7 @@ static int alpha_pmu_enable(struct perf_event *event)
}
local_irq_restore(flags);
- perf_enable();
+ perf_pmu_enable(event->pmu);
return ret;
}
@@ -474,7 +474,7 @@ static void alpha_pmu_disable(struct perf_event *event)
unsigned long flags;
int j;
- perf_disable();
+ perf_pmu_disable(event->pmu);
local_irq_save(flags);
for (j = 0; j < cpuc->n_events; j++) {
@@ -502,7 +502,7 @@ static void alpha_pmu_disable(struct perf_event *event)
}
local_irq_restore(flags);
- perf_enable();
+ perf_pmu_enable(event->pmu);
}
@@ -668,18 +668,10 @@ static int alpha_pmu_event_init(struct perf_event *event)
return err;
}
-static struct pmu pmu = {
- .event_init = alpha_pmu_event_init,
- .enable = alpha_pmu_enable,
- .disable = alpha_pmu_disable,
- .read = alpha_pmu_read,
- .unthrottle = alpha_pmu_unthrottle,
-};
-
/*
* Main entry point - enable HW performance counters.
*/
-void hw_perf_enable(void)
+static void alpha_pmu_pmu_enable(struct pmu *pmu)
{
struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
@@ -705,7 +697,7 @@ void hw_perf_enable(void)
* Main entry point - disable HW performance counters.
*/
-void hw_perf_disable(void)
+static void alpha_pmu_pmu_disable(struct pmu *pmu)
{
struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
@@ -718,6 +710,16 @@ void hw_perf_disable(void)
wrperfmon(PERFMON_CMD_DISABLE, cpuc->idx_mask);
}
+static struct pmu pmu = {
+ .pmu_enable = alpha_pmu_pmu_enable,
+ .pmu_disable = alpha_pmu_pmu_disable,
+ .event_init = alpha_pmu_event_init,
+ .enable = alpha_pmu_enable,
+ .disable = alpha_pmu_disable,
+ .read = alpha_pmu_read,
+ .unthrottle = alpha_pmu_unthrottle,
+};
+
/*
* Main entry point - don't know when this is called but it