[PATCH 1/2] tools/sched_ext: Add missing -c option in scx_qmap help

[Zhao Mengmeng]

From: Zhao Mengmeng <zhaomengmeng@xxxxxxxxxx>

The sub-scheduler api has been added to scx_qmap, but the new -c option is
missing in help, which is hard to understand and use. Add it in help.

Signed-off-by: Zhao Mengmeng <zhaomengmeng@xxxxxxxxxx>
---
 tools/sched_ext/scx_qmap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/sched_ext/scx_qmap.c b/tools/sched_ext/scx_qmap.c
index e7c89a2bc3d8..b5fce6dcee14 100644
--- a/tools/sched_ext/scx_qmap.c
+++ b/tools/sched_ext/scx_qmap.c
@@ -32,6 +32,7 @@ const char help_fmt[] =
 "  -P            Print out DSQ content and event counters to trace_pipe every second\n"
 "  -M            Print out debug messages to trace_pipe\n"
 "  -H            Boost nice -20 tasks in SHARED_DSQ, use with -b\n"
+"  -c CG_PATH    Cgroup path to attach as sub-scheduler, must run parent scheduler first\n"
 "  -d PID        Disallow a process from switching into SCHED_EXT (-1 for self)\n"
 "  -D LEN        Set scx_exit_info.dump buffer length\n"
 "  -S            Suppress qmap-specific debug dump\n"
-- 
2.43.0