From: Jens Axboe <axboe@kernel.dk>
To: Milosz Tanski <milosz@adfin.com>
Cc: James Bottomley <James.Bottomley@hansenpartnership.com>,
Jeremy Allison <jra@samba.org>,
Volker Lendecke <Volker.Lendecke@sernet.de>,
Jan Kara <jack@suse.cz>, Christoph Hellwig <hch@infradead.org>,
linux-mm@kvack.org,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
lsf-pc@lists.linux-foundation.org
Subject: Re: [Lsf-pc] [LSF/MM TOPIC] async buffered diskio read for userspace apps
Date: Tue, 20 Jan 2015 16:26:46 -0700 [thread overview]
Message-ID: <54BEE436.4020205@kernel.dk> (raw)
In-Reply-To: <CANP1eJHqhYZ9_yf16LKaUMvHEJN7eERpKSBYVrtQhr8ZkGVVsQ@mail.gmail.com>
On 01/20/2015 04:22 PM, Milosz Tanski wrote:
> Side note Jens.
>
> Can you add a configure flag to disable use of SHM (like for ESX)? It
> took me a while to figure out the proper define to manually stick in
> the configure.
>
> The motivation for this is using rr (mozila's replay debugger) to
> debug fio. rr doesn't support SHM. http://rr-project.org/ gdb's
> reversible debugging is too painfully slow.
Yeah definitely, that's mean that thread=1 would be a requirement,
obviously. But I'd be fine with adding that flag.
--
Jens Axboe
next prev parent reply other threads:[~2015-01-20 23:26 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-15 17:43 [LSF/MM TOPIC] async buffered diskio read for userspace apps Milosz Tanski
2015-01-15 18:30 ` Jeff Moyer
2015-01-16 15:40 ` Milosz Tanski
2015-01-15 22:31 ` [Lsf-pc] " Jan Kara
2015-01-16 15:44 ` Milosz Tanski
2015-01-16 16:55 ` Jeremy Allison
2015-01-19 3:49 ` Milosz Tanski
2015-01-19 7:12 ` Jeremy Allison
2015-01-19 7:34 ` James Bottomley
2015-01-19 14:18 ` Milosz Tanski
2015-01-19 15:31 ` Jens Axboe
2015-01-19 15:49 ` James Bottomley
2015-01-19 16:48 ` Jeremy Allison
2015-01-19 17:26 ` James Bottomley
2015-01-19 17:32 ` Jeremy Allison
2015-01-19 17:36 ` Richard Sharpe
2015-01-19 20:00 ` Jens Axboe
2015-01-19 16:10 ` Volker Lendecke
2015-01-19 16:20 ` Milosz Tanski
2015-01-19 16:50 ` Jeremy Allison
2015-01-23 23:15 ` Steve French
2015-01-24 2:17 ` Jens Axboe
2015-01-24 5:53 ` Jeremy Allison
2015-01-24 23:00 ` Jens Axboe
2015-01-20 19:33 ` Jens Axboe
2015-01-20 23:07 ` Milosz Tanski
2015-01-20 23:22 ` Milosz Tanski
2015-01-20 23:26 ` Jens Axboe [this message]
2015-01-20 23:30 ` Jens Axboe
2015-01-20 23:53 ` Milosz Tanski
2015-01-21 21:17 ` Jens Axboe
2015-01-23 0:03 ` Milosz Tanski
2015-01-23 0:10 ` Milosz Tanski
2015-01-19 17:04 ` Jeremy Allison
2015-01-19 17:18 ` Richard Sharpe
2015-01-19 17:20 ` Jeremy Allison
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