linux-kernel - [PATCH tip/core/rcu 0/26] Torture-test updates for v5.14

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Date:   Tue, 11 May 2021 16:11:49 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com, mingo@...nel.org,
        jiangshanlai@...il.com, akpm@...ux-foundation.org,
        mathieu.desnoyers@...icios.com, josh@...htriplett.org,
        tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
        dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com,
        oleg@...hat.com, joel@...lfernandes.org
Subject: [PATCH tip/core/rcu 0/26] Torture-test updates for v5.14

Hello!

This series provides torture-test updates:

1.	Fix remaining erroneous torture.sh instance of $*.

2.	Add "scenarios" option to kvm.sh --dryrun parameter.

3.	Make kvm-again.sh use "scenarios" rather than "batches" file.

4.	Allow CPU hotplug to be enabled.

5.	Allow CPU hotplug to be enabled.

6.	Add kvm-remote.sh script for distributed rcutorture test runs.

7.	Add acqrel, lock, and lock-irq.

8.	Abstract read-lock-held checks.

9.	Fix grace-period rate output.

10.	Abstract end-of-run summary.

11.	Make kvm.sh use abstracted kvm-end-run-stats.sh.

12.	Make the build machine control N in "make -jN".

13.	Make kvm-find-errors.sh account for kvm-remote.sh.

14.	Judge RCU priority boosting on grace periods, not callbacks.

15.	Correctly fetch number of CPUs for non-English languages,
	courtesy of Frederic Weisbecker.

16.	Set kvm.sh language to English.

17.	Delay-based false positives for RCU priority boosting tests.

18.	Consolidate rcu_torture_boost() timing and statistics.

19.	Make rcu_torture_boost_failed() check for GP end.

20.	Add BUSTED-BOOST to test RCU priority boosting tests.

21.	Forgive RCU boost failures when CPUs don't pass through QS.

22.	Don't count CPU-stalled time against priority boosting.

23.	Make kvm-remote.sh account for network failure in pathname checks.

24.	Don't cap remote runs by build-system number of CPUs.

25.	Move mem_dump_obj() tests into separate function.

26.	Don't penalize priority boosting when there is nothing to boost.

						Thanx, Paul

------------------------------------------------------------------------

 b/kernel/rcu/rcu.h                                                 |    2 
 b/kernel/rcu/rcutorture.c                                          |   29 
 b/kernel/rcu/refscale.c                                            |  109 +++
 b/kernel/rcu/tree_stall.h                                          |   36 +
 b/tools/testing/selftests/rcutorture/bin/kvm-again.sh              |   22 
 b/tools/testing/selftests/rcutorture/bin/kvm-build.sh              |    6 
 b/tools/testing/selftests/rcutorture/bin/kvm-end-run-stats.sh      |   40 +
 b/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh        |    2 
 b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh        |    2 
 b/tools/testing/selftests/rcutorture/bin/kvm-remote.sh             |  227 +++++++
 b/tools/testing/selftests/rcutorture/bin/kvm.sh                    |   28 
 b/tools/testing/selftests/rcutorture/bin/torture.sh                |    2 
 b/tools/testing/selftests/rcutorture/configs/rcu/BUSTED-BOOST      |   17 
 b/tools/testing/selftests/rcutorture/configs/rcu/BUSTED-BOOST.boot |    8 
 b/tools/testing/selftests/rcutorture/configs/rcuscale/TREE         |    2 
 b/tools/testing/selftests/rcutorture/configs/rcuscale/TREE54       |    2 
 b/tools/testing/selftests/rcutorture/configs/refscale/NOPREEMPT    |    2 
 b/tools/testing/selftests/rcutorture/configs/refscale/PREEMPT      |    2 
 kernel/rcu/rcutorture.c                                            |  300 +++++-----
 kernel/rcu/tree_stall.h                                            |   27 
 tools/testing/selftests/rcutorture/bin/kvm-again.sh                |   11 
 tools/testing/selftests/rcutorture/bin/kvm-build.sh                |    2 
 tools/testing/selftests/rcutorture/bin/kvm-remote.sh               |   30 -
 tools/testing/selftests/rcutorture/bin/kvm.sh                      |   33 -
 24 files changed, 726 insertions(+), 215 deletions(-)