Hi, I found a discussion about this change in the email thread bellow, and hope it helps you. https://lore.kernel.org/all/YwMwlMv%2FtK3sRXbB@xxxxxxxxxxxxxxx/#t On 2024/4/9 10:18, Huan Yang wrote: > The current cgroups output format is based on tabs, which > may cause misalignment of output information. > > Using placeholder formatting can make the output information > more readable. > > Signed-off-by: Huan Yang <link@xxxxxxxx> > --- > kernel/cgroup/cgroup-v1.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c > index 520a11cb12f4..c082a78f4c22 100644 > --- a/kernel/cgroup/cgroup-v1.c > +++ b/kernel/cgroup/cgroup-v1.c > @@ -669,15 +669,16 @@ int proc_cgroupstats_show(struct seq_file *m, void *v) > struct cgroup_subsys *ss; > int i; > > - seq_puts(m, "#subsys_name\thierarchy\tnum_cgroups\tenabled\n"); > + seq_printf(m, "%16s %16s %16s %16s\n", "#subsys_name", "hierarchy", > + "num_cgroups", "enabled"); > /* > * Grab the subsystems state racily. No need to add avenue to > * cgroup_mutex contention. > */ > > for_each_subsys(ss, i) > - seq_printf(m, "%s\t%d\t%d\t%d\n", > - ss->legacy_name, ss->root->hierarchy_id, > + seq_printf(m, "%16s %16d %16d %16d\n", ss->legacy_name, > + ss->root->hierarchy_id, > atomic_read(&ss->root->nr_cgrps), > cgroup_ssid_enabled(i)); >
