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perf counters: expand use of counter->event

Browse source 
Impact: change syscall, cleanup

Make use of the new perf_counters event type.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner 2008-12-08 19:35:37 +01:00 • committed by Ingo Molnar
commit dfa7c899b4
3 changed files with 17 additions and 19 deletions
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10
kernel/perf_counter.c
View file

@ -37,7 +37,7 @@ static DEFINE_MUTEX(perf_resource_mutex);
* Architecture provided APIs - weak aliases:
*/
int __weak hw_perf_counter_init(struct perf_counter *counter, u32 hw_event_type)
int __weak hw_perf_counter_init(struct perf_counter *counter)
{
return -EINVAL;
}
@ -707,7 +707,7 @@ static const struct file_operations perf_fops = {
* Allocate and initialize a counter structure
*/
static struct perf_counter *
perf_counter_alloc(u32 hw_event_period, int cpu, u32 record_type)
perf_counter_alloc(struct perf_counter_event *event, int cpu, u32 record_type)
{
struct perf_counter *counter = kzalloc(sizeof(*counter), GFP_KERNEL);
@ -722,7 +722,7 @@ perf_counter_alloc(u32 hw_event_period, int cpu, u32 record_type)
counter->usrdata = &counter->data[1];
counter->cpu = cpu;
counter->record_type = record_type;
counter->__irq_period = hw_event_period;
counter->event = *event;
counter->wakeup_pending = 0;
return counter;
@ -750,11 +750,11 @@ sys_perf_counter_open(struct perf_counter_event __user *uevent, u32 record_type,
return PTR_ERR(ctx);
ret = -ENOMEM;
counter = perf_counter_alloc(event.hw_event_period, cpu, record_type);
counter = perf_counter_alloc(&event, cpu, record_type);
if (!counter)
goto err_put_context;
ret = hw_perf_counter_init(counter, event.hw_event_type);
ret = hw_perf_counter_init(counter);
if (ret)
goto err_free_put_context;