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From: Petr Vorel <pvorel@suse.cz>
To: Stefan Roesch <shr@devkernel.io>
Cc: david@redhat.com, linux-mm@kvack.org, oliver.sang@intel.com,
	kernel-team@fb.com, ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v4 2/2] add ksm test for smart-scan feature
Date: Tue, 5 Dec 2023 21:11:39 +0100	[thread overview]
Message-ID: <20231205201139.GA128077@pevik> (raw)
In-Reply-To: <20231205180952.3843711-3-shr@devkernel.io>

Hi Stefan,

> This adds a new ksm (kernel samepage merging) test to evaluate the new
> smart scan feature. It allocates a page and fills it with 'a'
> characters. It captures the pages_skipped counter, waits for a few
> iterations and captures the pages_skipped counter again. The expectation
> is that over 50% of the page scans are skipped (There is only one page
> that has KSM enabled and it gets scanned during each iteration and it
> cannot be de-duplicated).

Thanks a lot, merged. We really appreciate when kernel developers writing new
tests.

(The previous patch was merged already as v3).

Kind regards,
Petr

-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

WARNING: multiple messages have this Message-ID (diff)
From: Petr Vorel <pvorel@suse.cz>
To: Stefan Roesch <shr@devkernel.io>
Cc: kernel-team@fb.com, david@redhat.com, oliver.sang@intel.com,
	linux-mm@kvack.org, ltp@lists.linux.it, liwang@redhat.com
Subject: Re: [PATCH v4 2/2] add ksm test for smart-scan feature
Date: Tue, 5 Dec 2023 21:11:39 +0100	[thread overview]
Message-ID: <20231205201139.GA128077@pevik> (raw)
In-Reply-To: <20231205180952.3843711-3-shr@devkernel.io>

Hi Stefan,

> This adds a new ksm (kernel samepage merging) test to evaluate the new
> smart scan feature. It allocates a page and fills it with 'a'
> characters. It captures the pages_skipped counter, waits for a few
> iterations and captures the pages_skipped counter again. The expectation
> is that over 50% of the page scans are skipped (There is only one page
> that has KSM enabled and it gets scanned during each iteration and it
> cannot be de-duplicated).

Thanks a lot, merged. We really appreciate when kernel developers writing new
tests.

(The previous patch was merged already as v3).

Kind regards,
Petr


  reply	other threads:[~2023-12-05 20:11 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-05 18:09 [LTP] [PATCH v4 0/2] KSM: support smart-scan feature Stefan Roesch
2023-12-05 18:09 ` Stefan Roesch
2023-12-05 18:09 ` [LTP] [PATCH v4 1/2] mem: disable KSM smart scan for ksm tests Stefan Roesch
2023-12-05 18:09   ` Stefan Roesch
2023-12-05 18:09 ` [LTP] [PATCH v4 2/2] add ksm test for smart-scan feature Stefan Roesch
2023-12-05 18:09   ` Stefan Roesch
2023-12-05 20:11   ` Petr Vorel [this message]
2023-12-05 20:11     ` Petr Vorel

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