linux-kernel - Re: [PATCH 2/2] tracing, sched: Add delay info to sched

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:	Tue, 20 Dec 2011 00:28:07 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Arun Sharma <asharma@...com>
Cc:	linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Andrew Vagin <avagin@...nvz.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH 2/2] tracing, sched: Add delay info to sched_switch

On Mon, 2011-12-19 at 15:23 -0800, Arun Sharma wrote:
> +#ifdef CONFIG_SCHEDSTATS
> +               __entry->delay          = next->se.statistics.block_start ? next->se.statistics.block_start
> +                                         : next->se.statistics.sleep_start ? next->se.statistics.sleep_start : 0;
> +               __entry->delay = __entry->delay ? now - __entry->delay : 0;
> +#else
> +               __entry->delay = 0;
> +#endif 

I don't really like this, this should be one of those sched_*_stat
thingies, not sched_switch().
--
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/