Messages in this thread | | | Subject | Re: [PATCH] cgroup: make /proc/cgroups aligned | From | Zefan Li <> | Date | Mon, 4 Jan 2016 09:16:42 +0800 |
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On 2016/1/4 0:08, Geliang Tang wrote: > This patch makes /proc/cgroups aligned like this: > $ cat /proc/cgroups > #subsys_name hierarchy num_cgroups enabled > cpuset 11 1 1 > cpu 2 1 1 > cpuacct 2 1 1 > blkio 12 1 1 > memory 3 1 1 > devices 4 83 1 > freezer 10 1 1 > perf_event 9 1 1 > hugetlb 7 1 1 > intel_rdt 6 1 1 > pids 8 1 1 > debug 5 1 1 > > Signed-off-by: Geliang Tang <geliangtang@163.com>
This change is not acceptable because it may break userspace.
> --- > kernel/cgroup.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/cgroup.c b/kernel/cgroup.c > index f1603c1..063b28f 100644 > --- a/kernel/cgroup.c > +++ b/kernel/cgroup.c > @@ -5411,7 +5411,7 @@ static int proc_cgroupstats_show(struct seq_file *m, void *v) > mutex_lock(&cgroup_mutex); > > for_each_subsys(ss, i) > - seq_printf(m, "%s\t%d\t%d\t%d\n", > + seq_printf(m, "%12s\t%9d\t%11d\t%7d\n", > ss->legacy_name, ss->root->hierarchy_id, > atomic_read(&ss->root->nr_cgrps), > cgroup_ssid_enabled(i)); >
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