[PATCH rcu 0/13] RCU update-side scalability test updates for v6.6
From: Paul E. McKenney
Date: Mon Jul 17 2023 - 14:08:46 EST
Hello!
This series contains update-side RCU scalability tests:
1. Permit blocking delays between writers.
2. Add CONFIG_PREEMPT_DYNAMIC=n to NOPREEMPT scenario.
3. Fix gp_async_max typo: s/reader/writer/.
4. Fix uninitalized use of wait_queue_head_t, courtesy of Waiman
Long.
5. Add minruntime module parameter.
6. Add a "jiffies" test.
7. Print out full set of module parameters.
8. Print out full set of kfree_rcu parameters.
9. Measure grace-period kthread CPU time.
10. Add kfree_by_call_rcu and kfree_mult to documentation.
11. Print grace-period kthread CPU time, if recorded.
12. Measure RCU Tasks Trace grace-period kthread CPU time.
13. Add RCU Tasks Rude testing.
14. fix building with RCU_TINY, courtesy of Arnd Bergmann.
15. Move rcu_scale_writer() schedule_timeout_uninterruptible()
to _idle(), courtesy of Zqiang.
16. Add CONFIG_PREEMPT_DYNAMIC=n to TRACE01 scenario.
Thanx, Paul
------------------------------------------------------------------------
Documentation/admin-guide/kernel-parameters.txt | 17 +-
b/Documentation/admin-guide/kernel-parameters.txt | 5
b/include/linux/rcupdate_trace.h | 1
b/kernel/rcu/rcu.h | 3
b/kernel/rcu/rcuscale.c | 4
b/kernel/rcu/refscale.c | 3
b/kernel/rcu/tasks.h | 6
b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuscale.sh | 8
b/tools/testing/selftests/rcutorture/configs/rcuscale/CFcommon | 2
b/tools/testing/selftests/rcutorture/configs/rcuscale/TRACE01 | 2
b/tools/testing/selftests/rcutorture/configs/refscale/NOPREEMPT | 1
kernel/rcu/rcu.h | 17 +-
kernel/rcu/rcuscale.c | 83 +++++++++-
kernel/rcu/refscale.c | 34 +++-
kernel/rcu/tasks.h | 13 +
15 files changed, 180 insertions(+), 19 deletions(-)