linux-kernel - Re: [PATCH] cgroup: Fix indent for /proc/cgroups

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Date:	Fri, 03 Jul 2009 16:20:32 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Gui Jianfeng <guijianfeng@...fujitsu.com>
CC:	Paul Menage <menage@...gle.com>, linux-kernel@...r.kernel.org,
	Linux Containers <containers@...ts.linux-foundation.org>
Subject: Re: [PATCH] cgroup: Fix indent for /proc/cgroups

CC: container list

Gui Jianfeng wrote:
> Currently, /proc/cgroups outputs is fairly ugly as following,
> #subsys_name    hierarchy       num_cgroups     enabled
> cpuset  0       1       1
> debug   0       1       1
> ns      0       1       1
> 
> indent it in a good-looking way.
> #subsys_name    hierarchy       num_cgroups     enabled
> cpuset          0               1               1
> debug           0               1               1
> ns              0               1               1
> 

But if there's a subsystem with name length >= 8,
it won't be aligned properly..

> 
> Signed-off-by: Gui Jianfeng <guijianfeng@...fujitsu.com>
> ---
>  kernel/cgroup.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/kernel/cgroup.c b/kernel/cgroup.c
> index 3737a68..99fc160 100644
> --- a/kernel/cgroup.c
> +++ b/kernel/cgroup.c
> @@ -2963,7 +2963,7 @@ static int proc_cgroupstats_show(struct seq_file *m, void *v)
>  	mutex_lock(&cgroup_mutex);
>  	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
>  		struct cgroup_subsys *ss = subsys[i];
> -		seq_printf(m, "%s\t%lu\t%d\t%d\n",
> +		seq_printf(m, "%s\t\t%lu\t\t%d\t\t%d\n",
>  			   ss->name, ss->root->subsys_bits,
>  			   ss->root->number_of_cgroups, !ss->disabled);
>  	}

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