s64 delta;
again:
- prev_raw_count = atomic64_read(&hwc->prev_count);
+ prev_raw_count = local64_read(&hwc->prev_count);
new_raw_count = read_pmc(idx);
- if (atomic64_cmpxchg(&hwc->prev_count, prev_raw_count,
+ if (local64_cmpxchg(&hwc->prev_count, prev_raw_count,
new_raw_count) != prev_raw_count)
goto again;
delta = (new_raw_count << shift) - (prev_raw_count << shift);
delta >>= shift;
- atomic64_add(delta, &event->count);
- atomic64_sub(delta, &hwc->period_left);
+ local64_add(delta, &event->count);
+ local64_sub(delta, &hwc->period_left);
return new_raw_count;
}
static int sparc_perf_event_set_period(struct perf_event *event,
struct hw_perf_event *hwc, int idx)
{
- s64 left = atomic64_read(&hwc->period_left);
+ s64 left = local64_read(&hwc->period_left);
s64 period = hwc->sample_period;
int ret = 0;
if (unlikely(left <= -period)) {
left = period;
- atomic64_set(&hwc->period_left, left);
+ local64_set(&hwc->period_left, left);
hwc->last_period = period;
ret = 1;
}
if (unlikely(left <= 0)) {
left += period;
- atomic64_set(&hwc->period_left, left);
+ local64_set(&hwc->period_left, left);
hwc->last_period = period;
ret = 1;
}
if (left > MAX_PERIOD)
left = MAX_PERIOD;
- atomic64_set(&hwc->prev_count, (u64)-left);
+ local64_set(&hwc->prev_count, (u64)-left);
write_pmc(idx, (u64)(-left) & 0xffffffff);
* skip the schedulability test here, it will be peformed
* at commit time(->commit_txn) as a whole
*/
- if (cpuc->group_flag & PERF_EVENT_TXN_STARTED)
+ if (cpuc->group_flag & PERF_EVENT_TXN)
goto nocheck;
if (check_excludes(cpuc->event, n0, 1))
if (!hwc->sample_period) {
hwc->sample_period = MAX_PERIOD;
hwc->last_period = hwc->sample_period;
- atomic64_set(&hwc->period_left, hwc->sample_period);
+ local64_set(&hwc->period_left, hwc->sample_period);
}
return 0;
{
struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
- cpuhw->group_flag |= PERF_EVENT_TXN_STARTED;
+ cpuhw->group_flag |= PERF_EVENT_TXN;
}
/*
{
struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
- cpuhw->group_flag &= ~PERF_EVENT_TXN_STARTED;
+ cpuhw->group_flag &= ~PERF_EVENT_TXN;
}
/*
if (sparc_check_constraints(cpuc->event, cpuc->events, n))
return -EAGAIN;
+ cpuc->group_flag &= ~PERF_EVENT_TXN;
return 0;
}