linux-kernel - Re: [PATCH 06/15] cfq-iosched: Print sync-noidle information in blktrace messages

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 01 Oct 2012 17:01:07 -0400
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	linux-kernel@...r.kernel.org, axboe@...nel.dk, tj@...nel.org,
	cgroups@...r.kernel.org
Subject: Re: [PATCH 06/15] cfq-iosched: Print sync-noidle information in blktrace messages

Vivek Goyal <vgoyal@...hat.com> writes:

> Currently we attach a character "S" or "A" to the cfqq<pid>, to represent
> whether queues is sync or async. Add one more character "N" to represent
> whether it is sync-noidle queue or sync queue. So now three different
> type of queues will look as follows.
>
> cfq1234S   --> sync queus
> cfq1234SN  --> sync noidle queue
> cfq1234A   --> Async queue
>
> Previously S/A classification was being printed only if group scheduling
> was enabled. This patch also makes sure that this classification is
> displayed even if group idling is disabled.
>
> Signed-off-by: Vivek Goyal <vgoyal@...hat.com>

I'm assuming nobody relies on the contents of trace_message output not
changing in blktrace output.

Acked-by: Jeff Moyer <jmoyer@...hat.com>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/