From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Chris Murphy <lists@colorremedies.com>
Cc: Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: btrfs on whole disk (no partitions)
Date: Mon, 23 Jun 2014 07:34:38 -0400 [thread overview]
Message-ID: <yq1fvivj1v5.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <DE35C679-30FE-44DB-9FD7-FD6DCD6FD615@colorremedies.com> (Chris Murphy's message of "Sun, 22 Jun 2014 12:31:44 -0600")
>>>>> "Chris" == Chris Murphy <lists@colorremedies.com> writes:
Chris> Does anyone know if blktrace will intercept the actual SCSI
Chris> commands sent to the drive? Or is there a better utility to use
Chris> for this? When I use it unfiltered, I'm not seeing SCSI write
Chris> commands at all.
# echo scsi:scsi_dispatch_cmd_start > /sys/kernel/debug/tracing/set_event
# echo 1 > /sys/kernel/debug/tracing/tracing_on
[do stuff]
# cat /sys/kernel/debug/tracing/trace
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2014-06-23 11:35 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-18 19:29 btrfs on whole disk (no partitions) Daniel Cegiełka
2014-06-18 20:10 ` Chris Murphy
2014-06-19 11:15 ` Austin S Hemmelgarn
2014-06-18 21:19 ` Imran Geriskovan
2014-06-19 0:07 ` Russell Coker
2014-06-19 8:58 ` Imran Geriskovan
2014-06-19 9:11 ` Imran Geriskovan
2014-06-21 19:19 ` Daniel Cegiełka
2014-06-22 1:36 ` Chris Murphy
2014-06-21 19:12 ` Daniel Cegiełka
2014-06-22 1:34 ` Chris Murphy
2014-06-22 7:49 ` Imran Geriskovan
2014-06-22 13:44 ` George Mitchell
2014-06-22 14:11 ` Roman Mamedov
2014-06-22 14:41 ` George Mitchell
2014-06-22 14:46 ` George Mitchell
2014-06-22 18:56 ` Chris Murphy
2014-06-22 18:47 ` Chris Murphy
2014-06-23 2:10 ` Duncan
2014-06-23 12:24 ` Martin K. Petersen
2014-06-24 5:37 ` Duncan
2014-06-25 13:01 ` Imran Geriskovan
2014-06-25 16:01 ` Duncan
2014-06-26 18:26 ` Imran Geriskovan
2014-06-26 18:41 ` Chris Murphy
2014-06-26 20:46 ` Imran Geriskovan
2014-06-22 18:31 ` Chris Murphy
2014-06-23 11:34 ` Martin K. Petersen [this message]
2014-06-19 1:01 ` George Mitchell
2014-06-19 4:52 ` Russell Coker
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