linux-ext4 - [Bug 217965] ext4(?) regression since 6.5.0 on sata hdd

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Message-ID: <bug-217965-13602-w3R39jsVJs@https.bugzilla.kernel.org/>
Date: Thu, 04 Jan 2024 22:20:41 +0000
From: bugzilla-daemon@...nel.org
To: linux-ext4@...r.kernel.org
Subject: [Bug 217965] ext4(?) regression since 6.5.0 on sata hdd

https://bugzilla.kernel.org/show_bug.cgi?id=217965

--- Comment #62 from Matthew Stapleton (matthew4196@...il.com) ---
With top at 1 second intervals , with thunderbird source extract, I can see the
flush process with around 70% to 100% for 2 1 second intervals during the tar
extract.  I don't this this much cpu usage was present with CR_BEST_AVAIL_LEN
commented out.  Hopefully the perf probes will show where the real usage is.  I
still haven't tried out the perf probes, but I'm still planning on doing that
hopefully sometime in the next few days.

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