From: David Rientjes <rientjes@google.com>
To: Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
Christoph Lameter <cl@gentwo.org>
Cc: Vlastimil Babka <vbabka@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch v2] lib: test_vmstat: add synthetic benchmark for vm stats
Date: Fri, 7 Aug 2026 08:33:02 -0700 (PDT) [thread overview]
Message-ID: <a06d4920-a63d-d653-1ca2-41b7500f1134@google.com> (raw)
In-Reply-To: <94068447-f9c5-ba84-73be-bf492277b9b3@google.com>
On Sun, 2 Aug 2026, David Rientjes wrote:
> From: Christoph Lameter <cl@gentwo.org>
>
> Add a synthetic benchmark that can be used to measure performance of VM
> statistics. This is used to analyze any improvements or regressions in
> functions that are frequently used in hot code paths.
>
> The test is run by inserting the module: modprobe test_vmstat
> The module insertion will always fail so that it is automatically
> unloaded; the results are in the kernel log.
>
> Signed-off-by: Christoph Lameter <cl@gentwo.org>
> Signed-off-by: David Rientjes <rientjes@google.com>
> ---
> v2:
> - added bash wrapper to ksft per David
> - integrated into ksft
> - added MAINTAINERS entry per David
> - fixed alloc_page() error code per Usama
>
> Adding single test for now to solicit feedback before updating the other
> two.
>
Any feedback for this one? If this one looks good then I can also apply
the same treatment for test_pagealloc and test_slab.
next prev parent reply other threads:[~2026-08-07 15:33 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-31 4:26 [patch 0/3] lib: add synthetic MM benchmarks David Rientjes
2026-07-31 4:26 ` [patch 1/3] lib: test_vmstat: add synthetic benchmark for vm stats David Rientjes
2026-08-01 13:20 ` Usama Arif
2026-08-02 23:05 ` David Rientjes
2026-08-02 23:06 ` [patch v2] " David Rientjes
2026-08-07 15:33 ` David Rientjes [this message]
2026-07-31 4:26 ` [patch 2/3] lib: test_slab: add synthetic benchmark for slab David Rientjes
2026-07-31 4:27 ` [patch 3/3] lib: test_pagealloc: add synthetic benchmark for page allocator David Rientjes
2026-07-31 9:00 ` [patch 0/3] lib: add synthetic MM benchmarks David Hildenbrand (Arm)
2026-08-02 22:19 ` David Rientjes
2026-08-05 7:03 ` David Hildenbrand (Arm)
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