On Tue, Apr 07, 2015 at 05:34:59PM -0700, Sukadev Bhattiprolu wrote:
> @@ -1213,9 +1221,47 @@ static void update_event_count(struct perf_event
> *event, u64 now)
> static void h_24x7_event_read(struct perf_event *event)
> {
> u64 now;
> + struct h_24x7_hw *h24x7hw;
> + struct hv_24
The 24x7 counters in Powerpc allow monitoring a large number of counters
simultaneously. They also allow reading several counters in a single
HCALL so we can get a more consistent snapshot of the system.
Use the PMU's transaction interface to monitor and read several event
counters at once. The id