cgexec: more verbose help

cgexec: create more verbose -h output similar as the other libcgroup tools

Signed-off-by: Ivana Hutarova Varekova <varekova@redhat.com>
Acked-by: Jan Safranek <jsafrane@redhat.com>

diff --git a/src/tools/cgexec.c b/src/tools/cgexec.c
index f03f1fa031c95943fb3b059782bc6c89840d29e3..30725b3f5c5f31e10be8a980f24e67b89f2f4f00 100644 (file)
--- a/src/tools/cgexec.c
+++ b/src/tools/cgexec.c
@@ -50,6 +50,11 @@ static void usage(int status, const char *program_name)
                printf("Usage: %s [-h] [-g <controllers>:<path>] "
                        "[--sticky] command [arguments] ...\n",
                        program_name);
+               printf("Run the task in given control groups\n");
+               printf("  -g <controllers>:<path>       Control "\
+                       "group which should be added\n");
+               printf("  --sticky                      cgred "\
+                       "daemon does not change pidlist and children tasks\n");
        }
 }