chrt: clarify use of -a option

With this option we can operate on all the thread group of a process not just
for changes, but also when obtaining information via sched_getscheduler().

Signed-off-by: Davidlohr Bueso <dave@gnu.org>

diff --git a/schedutils/chrt.c b/schedutils/chrt.c
index fca347678d3249f57e8416195314cd5031d95c91..6c2c6f2232d30fe864e78dcf6847fd79e747a6f4 100644 (file)
--- a/schedutils/chrt.c
+++ b/schedutils/chrt.c
@@ -81,7 +81,7 @@ static void __attribute__((__noreturn__)) show_usage(int rc)
 #endif
        fprintf(out, _(
        "\nOptions:\n"
-       "  -a | --all-tasks     propagate changes to all the tasks for a given pid\n"
+       "  -a | --all-tasks     operate on all the tasks (threads) for a given pid\n"
        "  -h | --help          display this help\n"
        "  -m | --max           show min and max valid priorities\n"
        "  -p | --pid           operate on existing given pid\n"