linux-kernel - Re: [PATCH v4] kprobes,lib: kretprobe scalability improvement

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Message-Id: <20221102143312.a1b09fe962e8e1057fd4a872@linux-foundation.org>
Date:   Wed, 2 Nov 2022 14:33:12 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     wuqiang <wuqiang.matt@...edance.com>
Cc:     mhiramat@...nel.org, davem@...emloft.net,
        anil.s.keshavamurthy@...el.com, naveen.n.rao@...ux.ibm.com,
        rostedt@...dmis.org, peterz@...radead.org, sander@...nheule.net,
        ebiggers@...gle.com, dan.j.williams@...el.com, jpoimboe@...nel.org,
        linux-kernel@...r.kernel.org, mattwu@....com,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v4] kprobes,lib: kretprobe scalability improvement

On Wed,  2 Nov 2022 10:30:12 +0800 wuqiang <wuqiang.matt@...edance.com> wrote:

> Tests of
> kretprobe throughput show the biggest ratio as 333.9x of the original
> freelist.

Seriously.

I'll add this for some runtime testing.

Are you able to identify other parts of the kernel which could use
(and benefit from) the new objpool?