From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Ingo Molnar <mingo@redhat.com>, Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org,
Mel Gorman <mgorman@techsingularity.net>,
Matt Fleming <matt@codeblueprint.co.uk>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Subject: Re: [PATCH 2/2] sched/debug: fix deadlock when enabling sched events
Date: Tue, 7 Jun 2016 16:06:55 -0500 [thread overview]
Message-ID: <20160607210655.bnjzzgd3x2zbxxks@treble> (raw)
In-Reply-To: <50a0f7f2a5f8d69e0440c3430f06be7ccbe59903.1465322027.git.jpoimboe@redhat.com>
On Tue, Jun 07, 2016 at 02:43:17PM -0500, Josh Poimboeuf wrote:
> @@ -403,9 +402,10 @@ DECLARE_EVENT_CLASS(sched_stat_runtime,
> (unsigned long long)__entry->vruntime)
> );
>
> -DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime,
> - TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
> - TP_ARGS(tsk, runtime, vruntime));
> +DEFINE_EVENT_FN(sched_stat_runtime, sched_stat_runtime,
> + TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
> + TP_ARGS(tsk, runtime, vruntime),
> + trace_sched_stat_register, NULL);
>
> /*
> * Tracepoint for showing priority inheritance modifying a tasks
Looking closer at the tracepoints, this one doesn't actually seem to
have a dependency on schedstats as far as I can tell. So this hunk can
probably be removed.
--
Josh
next prev parent reply other threads:[~2016-06-07 21:06 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-07 19:43 [PATCH 0/2] sched/debug: more schedstats fixes Josh Poimboeuf
2016-06-07 19:43 ` [PATCH 1/2] sched/debug: fix 'schedstats=enable' cmdline option Josh Poimboeuf
2016-06-08 8:06 ` Mel Gorman
2016-06-08 14:21 ` [tip:sched/core] sched/debug: Fix " tip-bot for Josh Poimboeuf
2016-06-07 19:43 ` [PATCH 2/2] sched/debug: fix deadlock when enabling sched events Josh Poimboeuf
2016-06-07 19:54 ` Peter Zijlstra
2016-06-07 21:02 ` Josh Poimboeuf
2016-06-08 8:13 ` Mel Gorman
2016-06-07 21:06 ` Josh Poimboeuf [this message]
2016-06-08 7:56 ` Ingo Molnar
2016-06-08 13:12 ` Josh Poimboeuf
2016-06-08 13:15 ` Ingo Molnar
2016-06-13 7:32 ` [PATCH v2] " Josh Poimboeuf
2016-06-14 11:35 ` [tip:sched/urgent] sched/debug: Fix " tip-bot for Josh Poimboeuf
2016-06-08 8:11 ` [PATCH 2/2] sched/debug: fix " Mel Gorman
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