linux-kernel - Re: [PATCH -tip 1/2] sched: Reinstate group names in /proc/sched

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Date:	Tue, 11 Jan 2011 09:53:05 +0800
From:	Yong Zhang <yong.zhang0@...il.com>
To:	bharata@...ux.vnet.ibm.com
Cc:	linux-kernel@...r.kernel.org, Mike Galbraith <efault@....de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH -tip 1/2] sched: Reinstate group names in /proc/sched_debug.

On Mon, Jan 10, 2011 at 1:15 PM, Bharata B Rao
<bharata@...ux.vnet.ibm.com> wrote:
> sched: Reinstate group names in /proc/sched_debug.
>
> Displaying of group names in /proc/sched_debug was dropped in autogroup
> patches. Add group names while displaying cfs_rq and tasks information.
>
> Signed-off-by: Bharata B Rao <bharata@...ux.vnet.ibm.com>
> ---
> @@ -144,7 +167,11 @@ void print_cfs_rq(struct seq_file *m, in
>        struct sched_entity *last;
>        unsigned long flags;
>
> +#if defined(CONFIG_CGROUP_SCHED) && defined(CONFIG_FAIR_GROUP_SCHED)

defined(CONFIG_CGROUP_SCHED) is not necessary here,
CONFIG_[FAIR|RT]_GROUP_SCHED always imply CONFIG_CGROUP_SCHED

> +       SEQ_printf(m, "\ncfs_rq[%d]:%s\n", cpu, task_group_path(cfs_rq->tg));
> +#else
>        SEQ_printf(m, "\ncfs_rq[%d]:\n", cpu);
> +#endif
>        SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "exec_clock",
>                        SPLIT_NS(cfs_rq->exec_clock));
>
> @@ -191,7 +218,11 @@ void print_cfs_rq(struct seq_file *m, in
>
>  void print_rt_rq(struct seq_file *m, int cpu, struct rt_rq *rt_rq)
>  {
> +#if defined(CONFIG_CGROUP_SCHED) && defined(CONFIG_RT_GROUP_SCHED)

Ditto.

Thanks,
Yong

-- 
Only stand for myself
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