On Mon, Aug 07, 2017 at 02:15:51PM +0200, Peter Zijlstra wrote:
> On Fri, Aug 04, 2017 at 04:50:54PM +0800, 石祤 wrote:
> > From: "leilei.lin"
> >
> > A performance issue caused by less strickly check in task
> > sched when these tasks were once attached by per-task
On Mon, Aug 07, 2017 at 02:15:51PM +0200, Peter Zijlstra wrote:
> On Fri, Aug 04, 2017 at 04:50:54PM +0800, 石祤 wrote:
> > From: "leilei.lin"
> >
> > A performance issue caused by less strickly check in task
> > sched when these tasks were once attached by per-task perf_event.
> >
> > A task
On Fri, Aug 04, 2017 at 04:50:54PM +0800, 石祤 wrote:
> From: "leilei.lin"
>
> A performance issue caused by less strickly check in task
> sched when these tasks were once attached by per-task perf_event.
>
> A task will alloc task->perf_event_ctxp[ctxn] when it was
On Fri, Aug 04, 2017 at 04:50:54PM +0800, 石祤 wrote:
> From: "leilei.lin"
>
> A performance issue caused by less strickly check in task
> sched when these tasks were once attached by per-task perf_event.
>
> A task will alloc task->perf_event_ctxp[ctxn] when it was called
> by perf_event_open,
From: "leilei.lin"
A performance issue caused by less strickly check in task
sched when these tasks were once attached by per-task perf_event.
A task will alloc task->perf_event_ctxp[ctxn] when it was called
by perf_event_open, and task->perf_event_ctxp[ctxn] would
From: "leilei.lin"
A performance issue caused by less strickly check in task
sched when these tasks were once attached by per-task perf_event.
A task will alloc task->perf_event_ctxp[ctxn] when it was called
by perf_event_open, and task->perf_event_ctxp[ctxn] would not
ever be freed to NULL.
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