On 11/5/2020 7:53 PM, Namhyung Kim wrote:
On Fri, Nov 6, 2020 at 4:01 AM Liang, Kan wrote:
On 11/5/2020 10:45 AM, Namhyung Kim wrote:
Hello,
On Thu, Nov 5, 2020 at 11:47 PM Liang, Kan wrote:
On 11/2/2020 9:52 AM, Namhyung Kim wrote:
If an event associated with a PMU which has a
On Fri, Nov 6, 2020 at 4:01 AM Liang, Kan wrote:
>
>
>
> On 11/5/2020 10:45 AM, Namhyung Kim wrote:
> > Hello,
> >
> > On Thu, Nov 5, 2020 at 11:47 PM Liang, Kan
> > wrote:
> >>
> >>
> >>
> >> On 11/2/2020 9:52 AM, Namhyung Kim wrote:
> >>> If an event associated with a PMU which has a
On 11/5/2020 10:45 AM, Namhyung Kim wrote:
Hello,
On Thu, Nov 5, 2020 at 11:47 PM Liang, Kan wrote:
On 11/2/2020 9:52 AM, Namhyung Kim wrote:
If an event associated with a PMU which has a sched_task callback,
it should be called regardless of cpu/task context. For example,
I don't
Hello,
On Thu, Nov 5, 2020 at 11:47 PM Liang, Kan wrote:
>
>
>
> On 11/2/2020 9:52 AM, Namhyung Kim wrote:
> > If an event associated with a PMU which has a sched_task callback,
> > it should be called regardless of cpu/task context. For example,
>
>
> I don't think it's necessary. We should
On 11/2/2020 9:52 AM, Namhyung Kim wrote:
If an event associated with a PMU which has a sched_task callback,
it should be called regardless of cpu/task context. For example,
I don't think it's necessary. We should call it when we have to.
Otherwise, it just waste cycles.
Shouldn't the
If an event associated with a PMU which has a sched_task callback,
it should be called regardless of cpu/task context. For example,
a per-cpu event might enable large PEBS buffers so it needs to flush
the buffer whenever task scheduling happens.
The underlying PMU may or may not require this for
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