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@xxxxxxx>
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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