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| author | Neeraj Upadhyay <quic_neeraju@quicinc.com> | 2023-01-11 10:45:00 +0300 |
|---|---|---|
| committer | Joel Fernandes (Google) <joel@joelfernandes.org> | 2023-04-05 16:47:44 +0300 |
| commit | a4533cc0a59f0956e1b78e6013b75014b4857fce (patch) | |
| tree | 83b60ad1c8688477ab344627824310de6dd8baac /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 7ea91307ad2dbdd15ed0b762a2d994f816039b9d (diff) | |
| download | linux-a4533cc0a59f0956e1b78e6013b75014b4857fce.tar.xz | |
rcu-tasks: Report stalls during synchronize_srcu() in rcu_tasks_postscan()
The call to synchronize_srcu() from rcu_tasks_postscan() can be stalled
by a task getting stuck in do_exit() between that function's calls to
exit_tasks_rcu_start() and exit_tasks_rcu_finish(). To ease diagnosis
of this situation, print a stall warning message every rcu_task_stall_info
period when rcu_tasks_postscan() is stalled.
[ paulmck: Adjust to handle CONFIG_SMP=n. ]
Acked-by: Frederic Weisbecker <frederic@kernel.org>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Reported-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/rcu/20230111212736.GA1062057@paulmck-ThinkPad-P17-Gen-1/
Signed-off-by: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions