perf_event_read_value
counter += perf_event_read_value(pmc->perf_event, &enabled,
pmc->counter_val += perf_event_read_value(pmc->perf_event, &enabled, &running);
pmc->counter_val += perf_event_read_value(pmc->perf_event,
counter += perf_event_read_value(pmc->perf_event,
extern u64 perf_event_read_value(struct perf_event *event,
FN(perf_event_read_value, 55, ##ctx) \
EXPORT_SYMBOL_GPL(perf_event_read_value);
FN(perf_event_read_value, 55, ##ctx) \