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| author | Zqiang <qiang.zhang@linux.dev> | 2026-07-16 17:57:54 +0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2026-07-24 17:00:47 -0700 |
| commit | 7a455d3caef8c1cae44b0b0ea103d1d9fb197aa6 (patch) | |
| tree | 68780087ad39fc766a05a358ec0fa1a946b3bbce /scripts/patch-kernel | |
| parent | 5976694882f6ebccd0cf7c81a6fdf5c1e08d9d67 (diff) | |
| download | linux-7a455d3caef8c1cae44b0b0ea103d1d9fb197aa6.tar.gz linux-7a455d3caef8c1cae44b0b0ea103d1d9fb197aa6.zip | |
rcu-tasks: Dump rtpcp->lazy_timer status in show_rcu_tasks_generic_gp_kthread()
Add 'P' flag to the diagnostic line to indicate whether any per-cpu
rtpcp's lazy_timer is pending. this helps diagnose stalls where
rcu-task callbacks are queued but the kthread stay sleep because
the lazy_timer has not yet fired and no grace period has started.
The output is as follows:
[ 31.319540][ T77] call_rcu_tasks() has failed boot-time tests.
[ 31.320205][ T77] rcu_tasks: RTGS_WAIT_CBS(11) since 7518 g:4 i:0 kCuUP l:150000
Signed-off-by: Zqiang <qiang.zhang@linux.dev>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'scripts/patch-kernel')
0 files changed, 0 insertions, 0 deletions