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SubjectRe: [PATCH v4 bpf-next 6/6] bpf: runqslower: use task local storage
On Mon, Feb 22, 2021 at 05:20:14PM -0800, Song Liu wrote:
> Replace hashtab with task local storage in runqslower. This improves the
> performance of these BPF programs. The following table summarizes average
> runtime of these programs, in nanoseconds:
>
> task-local hash-prealloc hash-no-prealloc
> handle__sched_wakeup 125 340 3124
> handle__sched_wakeup_new 2812 1510 2998
> handle__sched_switch 151 208 991
Nice! The required code change is also minimal.

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