Messages in this thread | | | Date | Thu, 23 Jul 2015 18:17:43 -0700 | From | Sukadev Bhattiprolu <> | Subject | Re: [PATCH v3 7/8] perf: Define PMU_TXN_READ interface |
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Peter Zijlstra [peterz@infradead.org] wrote: | On Wed, Jul 22, 2015 at 04:19:16PM -0700, Sukadev Bhattiprolu wrote: | > Peter Zijlstra [peterz@infradead.org] 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
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