Peter Zijlstra [peterz@xxxxxxxxxxxxx] wrote: | On Wed, Jul 22, 2015 at 04:19:16PM -0700, Sukadev Bhattiprolu wrote: | > Peter Zijlstra [peterz@xxxxxxxxxxxxx] wrote: | > | I've not woken up yet, and not actually fully read the email, but can | > | you stuff the entire above chunk inside the IPI? | > | | > | I think you could then actually optimize __perf_event_read() as well, | > | because all these events should be on the same context, so no point in | > | calling update_*time*() for every event or so. | > | | > | > Do you mean something like this (will move the rename to a separate | > patch before posting): | | More like so.. please double check, I've not even had tea yet. Yeah, I realized I had ignored the 'event->cpu' spec. Will try this out. Thanks, Sukadev -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
