diff options
| author | Zhao Mengmeng <zhaomengmeng@kylinos.cn> | 2026-04-17 17:18:02 +0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2026-04-17 08:32:10 -1000 |
| commit | 26fb937c7b6ef5c9b8e67dfb08c8164ae108a770 (patch) | |
| tree | 3637866921b1a060eaa9d7df532be31ceafa28d5 /tools/sched_ext | |
| parent | 7c7bb206e87de48144e5c7249e2f7b7352f252e2 (diff) | |
tools/sched_ext: Add missing -c option in scx_qmap help
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.
V2: add [-c CG_PATH] to the usage synopsis.
Signed-off-by: Zhao Mengmeng <zhaomengmeng@kylinos.cn>
Reviewed-by: Cheng-Yang Chou <yphbchou0911@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'tools/sched_ext')
| -rw-r--r-- | tools/sched_ext/scx_qmap.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/sched_ext/scx_qmap.c b/tools/sched_ext/scx_qmap.c index 4bdcc4bc5fbd..725c4880058d 100644 --- a/tools/sched_ext/scx_qmap.c +++ b/tools/sched_ext/scx_qmap.c @@ -23,7 +23,8 @@ const char help_fmt[] = "See the top-level comment in .bpf.c for more details.\n" "\n" "Usage: %s [-s SLICE_US] [-e COUNT] [-t COUNT] [-T COUNT] [-l COUNT] [-b COUNT]\n" -" [-N COUNT] [-P] [-M] [-H] [-d PID] [-D LEN] [-S] [-p] [-I] [-F COUNT] [-v]\n" +" [-N COUNT] [-P] [-M] [-H] [-c CG_PATH] [-d PID] [-D LEN] [-S] [-p] [-I]\n" +" [-F COUNT] [-v]\n" "\n" " -s SLICE_US Override slice duration\n" " -e COUNT Trigger scx_bpf_error() after COUNT enqueues\n" @@ -35,6 +36,7 @@ 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" |