Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | David Vernet <> | Subject | [PATCH v4 8/8] sched: Add selftest for SHARED_RUNQ | Date | Mon, 11 Dec 2023 18:31:41 -0600 |
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We want to ensure that SHARED_RUNQ works as expected. Let's add a testcase to the sched/ subdirectory containing SHARED_RUNQ which enables and disables it in a loop, while stressing the system with rcutorture.
Cc: Aboorva Devarajan <aboorvad@linux.vnet.ibm.com> Signed-off-by: David Vernet <void@manifault.com> --- tools/testing/selftests/sched/Makefile | 5 ++++- tools/testing/selftests/sched/config | 2 ++ tools/testing/selftests/sched/test-swq.sh | 23 +++++++++++++++++++++++ 3 files changed, 29 insertions(+), 1 deletion(-) create mode 100755 tools/testing/selftests/sched/test-swq.sh
diff --git a/tools/testing/selftests/sched/Makefile b/tools/testing/selftests/sched/Makefile index 099ee9213557..22f4941ff76b 100644 --- a/tools/testing/selftests/sched/Makefile +++ b/tools/testing/selftests/sched/Makefile @@ -9,6 +9,9 @@ CFLAGS += -O2 -Wall -g -I./ $(KHDR_INCLUDES) -Wl,-rpath=./ \ LDLIBS += -lpthread TEST_GEN_FILES := cs_prctl_test -TEST_PROGS := cs_prctl_test +TEST_PROGS := \ + cs_prctl_test \ + test-srq.sh + include ../lib.mk diff --git a/tools/testing/selftests/sched/config b/tools/testing/selftests/sched/config index e8b09aa7c0c4..6e1cbdb6eec3 100644 --- a/tools/testing/selftests/sched/config +++ b/tools/testing/selftests/sched/config @@ -1 +1,3 @@ CONFIG_SCHED_DEBUG=y +CONFIG_DEBUG_KERNEL=y +CONFIG_RCU_TORTURE_TEST=m diff --git a/tools/testing/selftests/sched/test-swq.sh b/tools/testing/selftests/sched/test-swq.sh new file mode 100755 index 000000000000..547088840a6c --- /dev/null +++ b/tools/testing/selftests/sched/test-swq.sh @@ -0,0 +1,23 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2023 Meta, Inc + +echo "TEST: SHARED_RUNQ stress test ..." + +modprobe rcutorture + +for i in {1..10}; do + echo "Beginning iteration $i" + echo "SHARED_RUNQ" > /sys/kernel/debug/sched/features + sleep 2.3 + echo "NO_SHARED_RUNQ" > /sys/kernel/debug/sched/features + sleep .8 + echo "Completed iteration $i" + echo "" +done + +rmmod rcutorture + +echo "DONE: SHARED_RUNQ stress test completed" + +exit 0 -- 2.42.1
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