cgclassify: unify help output

cgclassify: unify help output
* -g option is optional
* use the alphabetical order
* add -h option description

Signed-off-by: Ivana Hutarova Varekova <varekova@redhat.com>
Acked-by: Dhaval Giani <dhaval.giani@gmail.com>
Acked-by: Jan Safranek <jsafrane@redhat.com>

diff --git a/src/tools/cgclassify.c b/src/tools/cgclassify.c
index bb54424e62da2c8db1eb052e75f651b43ea08909..cae59b2351c1b970883ea3723d12cf5306ec4fb2 100644 (file)
--- a/src/tools/cgclassify.c
+++ b/src/tools/cgclassify.c
@@ -39,15 +39,16 @@ static void usage(int status, const char *program_name)
                        program_name);
                return;
        }
-       printf("Usage: %s [-g <controllers>:<path>] "\
+       printf("Usage: %s [[-g] <controllers>:<path>] "\
                "[--sticky | --cancel-sticky] <list of pids>\n", program_name);
        printf("Move running task(s) to given cgroups\n");
-       printf("  -g <controllers>:<path>       Control group to be displayed "\
-               "(-g is optional)\n");
-       printf("  --sticky                      cgred daemon does not change "\
-               "pidlist and children tasks\n");
+       printf("  -h, --help                    Display this help\n");
+       printf("  -g <controllers>:<path>       Control group to be used "\
+               "as target\n");
        printf("  --cancel-sticky               cgred daemon change pidlist "\
                "and children tasks\n");
+       printf("  --sticky                      cgred daemon does not change "\
+               "pidlist and children tasks\n");
 }
 
 /*