On Tue, Apr 15, 2014 at 08:47:45PM +0800, Jianyu Zhan wrote: > I found that /proc/cgroups printed format has ugly alignment(see below).
[snip] > diff --git a/kernel/cgroup.c b/kernel/cgroup.c > index 9fcdaa7..d981697 100644 > --- a/kernel/cgroup.c > +++ b/kernel/cgroup.c > @@ -4347,7 +4347,7 @@ 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, "%-16s%-16d%-16d%-16d\n", > ss->name, ss->root->hierarchy_id, > atomic_read(&ss->root->nr_cgrps), !ss->disabled); This is liable to break userspace apps which might currently parse the file by splitting on '\t' Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :| -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
