linux-kernel - Re: [PATCH v5 09/14] perf bench mem: Add mmap() workloads

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Message-ID: <87zfd4j1tn.fsf@oracle.com>
Date: Tue, 15 Jul 2025 19:40:04 -0700
From: Ankur Arora <ankur.a.arora@...cle.com>
To: Namhyung Kim <namhyung@...nel.org>
Cc: Ankur Arora <ankur.a.arora@...cle.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, x86@...nel.org, akpm@...ux-foundation.org,
        david@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        hpa@...or.com, mingo@...hat.com, mjguzik@...il.com, luto@...nel.org,
        peterz@...radead.org, acme@...nel.org, tglx@...utronix.de,
        willy@...radead.org, raghavendra.kt@....com,
        boris.ostrovsky@...cle.com, konrad.wilk@...cle.com
Subject: Re: [PATCH v5 09/14] perf bench mem: Add mmap() workloads


Namhyung Kim <namhyung@...nel.org> writes:

> On Wed, Jul 09, 2025 at 05:59:21PM -0700, Ankur Arora wrote:
>> Add two mmap() workloads: one that eagerly populates a region and
>> another that demand faults it in.
>>
>> The intent is to probe the memory subsytem performance incurred
>> by mmap().
>
> Maybe better to name 'mmap' as other tests named after the actual
> function.

That's true. My reason for not doing it was that these tests were
oriented towards testing the memory subsystem instead of the system
call itself.

But I guess "map" is not a good name either. Any suggestions?

> Also please update the documentation.

Will do.

Thanks
Ankur