From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 18302] [BUG] bad performance and system stalls when using dm-crypt
Date: Sun, 24 Oct 2010 15:48:57 GMT [thread overview]
Message-ID: <201010241548.o9OFmvRC005541@demeter2.kernel.org> (raw)
In-Reply-To: <bug-18302-13602@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=18302
--- Comment #1 from david b <db.pub.mail@gmail.com> 2010-10-24 15:48:56 ---
...
For example:
doing something stupid like this
dd if=/dev/zero of=TEMP count=15553600 &
dd if=/dev/zero of=TEMP2 count=15553600 &
ls -lahR / &
will --> end up with the following output :/
fsync time: 25.8393
pread time: 0.0010
fsync time: 20.6251
pread time: 0.0007
fsync time: 31.0960
pread time: 5.3767
fsync time: 28.0393
pread time: 16.1137
fsync time: 19.2237
pread time: 12.9312
fsync time: 25.0550
pread time: 6.7220
fsync time: 9.8830
pread time: 0.0009
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next prev parent reply other threads:[~2010-10-24 15:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-12 11:00 [Bug 18302] New: [BUG] bad performance and system stalls when using dm-crypt bugzilla-daemon
2010-10-24 15:48 ` bugzilla-daemon [this message]
2012-08-13 16:31 ` [Bug 18302] " bugzilla-daemon
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