linux-kernel - Re: [PATCH V2 3/3] perf: Optimize sched

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Message-ID: <20201202102609.GO3092@hirez.programming.kicks-ass.net>
Date:   Wed, 2 Dec 2020 11:26:09 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     kan.liang@...ux.intel.com
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org,
        namhyung@...nel.org, eranian@...gle.com, irogers@...gle.com,
        gmx@...gle.com, acme@...nel.org, jolsa@...hat.com,
        ak@...ux.intel.com, benh@...nel.crashing.org, paulus@...ba.org,
        mpe@...erman.id.au
Subject: Re: [PATCH V2 3/3] perf: Optimize sched_task() in a context switch

On Tue, Dec 01, 2020 at 06:29:03PM +0100, Peter Zijlstra wrote:
> +static void context_sched_task(struct perf_cpu_context *cpuctx,
> +			       struct perf_event_context *ctx,
> +			       bool sched_in)
> +{
> +	struct pmu *pmu = ctx->pmu;
> +
> +	if (cpuctx->sched_cb_dir[sched_in] && pmu->sched_task)
> +		pmu->sched_task(ctx, false);
> +}

s/false/sched_in/