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From: Cyril Hrubis <chrubis@suse.cz>
To: Li Wang <liwang@redhat.com>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH 1/1] readahead02: Sleep 1.5 msec to fix problem on bare metal
Date: Mon, 24 Nov 2025 14:18:19 +0100	[thread overview]
Message-ID: <aSRbG5o-lTPtG7wB@yuki.lan> (raw)
In-Reply-To: <CAEemH2fN=byf4dKvCk82KKuA9fRk0M6uh1GmMfiY2EPOk=X_Zg@mail.gmail.com>

Hi!
> This is a nice improvement, but one thing comes to my mind that
> get_cached_size() reads the system wide “Cached” size from
> '/proc/meminfo' might not be reliable in the test (probbaly impact
> from other progress).
> 
> So, how about using mincore() works on the currently mapped pages
> to count the resident bytes in memory?

I guess that we can do that in a subsequent patch. I've just sent
slightly modified version of this patch.

-- 
Cyril Hrubis
chrubis@suse.cz

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

  reply	other threads:[~2025-11-24 13:17 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-20 16:35 [LTP] [PATCH 1/1] readahead02: Sleep 1.5 msec to fix problem on bare metal Petr Vorel
2025-11-21 10:41 ` Cyril Hrubis
2025-11-21 10:45   ` Petr Vorel
2025-11-21 11:42     ` Cyril Hrubis
2025-11-21 11:48       ` Cyril Hrubis
2025-11-24  9:14       ` Jan Stancek via ltp
2025-11-24  9:18         ` Cyril Hrubis
2025-11-24  9:20           ` Petr Vorel
2025-11-24  9:20           ` Jan Stancek via ltp
2025-11-24 12:58       ` Li Wang via ltp
2025-11-24 13:18         ` Cyril Hrubis [this message]
2025-11-24 13:20           ` Li Wang via ltp

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