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84092dbcf9
linux_dsm_epyc7002/tools/testing/selftests
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Roman Gushchin 84092dbcf9 selftests: cgroup: add memory controller self-tests 
Cgroups are used for controlling the physical resource distribution
(memory, CPU, io, etc) and often are used as basic building blocks
for large distributed computing systems. Even small differences
in the actual behavior may lead to significant incidents.

The codebase is under the active development, which will unlikely
stop at any time soon. Also it's scattered over different kernel
subsystems, which makes regressions more probable.

Given that, the lack of any tests is crying.

This patch implements some basic tests for the memory controller,
as well as a minimal required framework. It doesn't pretend for a
very good coverage, but pretends to be a starting point.

Hopefully, any following significant changes will include corresponding
tests.

Tests for CPU and io controllers, as well as cgroup core
are next in the todo list.

Signed-off-by: Roman Gushchin <guro@fb.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: kernel-team@fb.com
Cc: linux-kselftest@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
2018-05-30 15:29:06 -06:00
..
android selftests: android: ion: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
bpf selftests: bpf: config: enable NET_SCH_INGRESS for xdp_meta.sh 2018-05-18 21:39:39 +02:00
breakpoints selftests: breakpoints: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
capabilities License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cgroup selftests: cgroup: add memory controller self-tests 2018-05-30 15:29:06 -06:00
cpu-hotplug selftests: cpu-hotplug: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
cpufreq selftests: cpufreq: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
drivers/gpu License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
efivarfs selftests: efivarfs: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
exec selftests: exec: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
filesystems selftests: filesystems: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
firmware selftests: firmware: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
ftrace selftests: ftrace: Add a testcase for multiple actions on trigger 2018-04-25 10:28:36 -04:00
futex selftests: futex: delete RUN_TESTS and EMIT_TESTS overrides 2018-05-30 15:21:52 -06:00
gpio selftests: gpio: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
ia64 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
intel_pstate selftests: intel_pstate: return Kselftest Skip code for skipped tests 2018-05-30 15:21:53 -06:00
ipc selftests: ipc: return Kselftest Skip code for skipped tests 2018-05-30 15:21:53 -06:00
kcmp License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
kmod selftests: kmod: return Kselftest Skip code for skipped tests 2018-05-30 15:21:53 -06:00
kvm selftests: kvm: return Kselftest Skip code for skipped tests 2018-05-30 15:29:05 -06:00
lib selftests: lib: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
locking selftests: locking: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
media_tests selftests: media_tests: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
membarrier selftests: membarrier: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
memfd selftests: memfd: split regular and hugetlbfs tests 2018-05-30 15:29:06 -06:00
memory-hotplug selftests: memory-hotplug: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
mount selftests: mount: delete RUN_TESTS and EMIT_TESTS overrides 2018-05-30 15:21:52 -06:00
mqueue selftests: mqueue: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
net selftests: net: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
networking/timestamping selftests/txtimestamp: Add more configurable parameters 2018-03-16 15:05:57 -04:00
nsfs tools/testing: Fix trailing semicolon 2018-01-12 11:41:33 -07:00
ntb NTB: ntb_test: Update ntb_perf tests 2018-01-28 22:17:24 -05:00
powerpc selftests/powerpc: Fix copyloops build since Power4 assembler change 2018-04-03 21:50:09 +10:00
prctl License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
proc proc: fixup copyright sign 2018-04-12 20:52:25 -07:00
pstore selftests: pstore: Adding config fragment CONFIG_PSTORE_RAM=m 2018-02-13 14:09:17 -07:00
ptp posix-timers: Prevent UB from shifting negative signed value 2018-01-04 14:57:10 +01:00
ptrace License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rcutorture Merge branches 'fixes.2018.02.23a', 'srcu.2018.02.20a' and 'torture.2018.02.20a' into HEAD 2018-02-23 15:15:41 -08:00
rtc selftests: rtc: rework rtctest 2018-05-30 15:21:51 -06:00
seccomp seccomp: Add filter flag to opt-out of SSB mitigation 2018-05-05 00:51:44 +02:00
sigaltstack License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
size kselftest: convert get_size to use stricter TAP13 format 2017-06-14 18:23:27 -06:00
splice License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
static_keys License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sync selftests: sync: missing CFLAGS while compiling 2018-02-13 11:34:51 -07:00
sysctl test_sysctl: fix sysctl.sh by making it executable 2017-08-07 15:13:36 -06:00
tc-testing tc-testing: fix tdc tests for 'bpf' action 2018-05-10 17:28:02 -04:00
timers selftests: move RTC tests to rtc subfolder 2018-05-30 15:21:51 -06:00
user License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vDSO selftest/vDSO: fix O= 2018-02-13 11:35:01 -07:00
vm selftests/vm/run_vmtests: adjust hugetlb size according to nr_cpus 2018-03-09 16:40:01 -08:00
watchdog License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
x86 selftests/x86: Detect -no-pie availability 2018-05-30 15:21:51 -06:00
zram License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
.gitignore selftests: add gpio generated files to .gitignore 2017-04-25 09:49:38 -06:00
gen_kselftest_tar.sh selftests: gen_kselftest_tar.h: Add SPDX license identifier 2018-01-12 11:44:31 -07:00
kselftest_harness.h selftests/seccomp: Allow get_metadata to XFAIL 2018-03-21 10:42:46 -06:00
kselftest_install.sh selftests: kselftest_install.sh: Add SPDX license identifier 2018-01-12 11:45:05 -07:00
kselftest.h selftests: kselftest: change KSFT_SKIP=4 instead of KSFT_PASS 2018-05-30 15:21:52 -06:00
lib.mk selftests: lib.mk: add test execute bit check to EMIT_TESTS 2018-05-30 15:21:52 -06:00
Makefile selftests: cgroup: add memory controller self-tests 2018-05-30 15:29:06 -06:00