On Wed, Mar 04, 2015 at 12:35:07AM -0800, Sukadev Bhattiprolu wrote:
> extern u64 perf_event_read_value(struct perf_event *event,
> - u64 *enabled, u64 *running);
> + u64 *enabled, u64 *running, int update);
>
I think someone recently s
perf_event_read_value() reads the counter from the PMC and computes the
total count (including child events). Add an 'update' parameter and have
it read the PMC only if 'update' parameter is TRUE (which it always is
for now). When we add support for reading multiple events using the
transaction int
