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In selftests/amd-pstate, distro `perf` is used to capture `perf stat`
while running microbenchmarks. Distro `perf` is not working with
upstream kernel. Fix this by providing an option to give the perf
binary path.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Swapnil Sapkal <swapnil.sapkal@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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In selftests/amd-pstate, tbench and gitsource microbenchmarks are
used to compare the performance with different governors. In current
implementation the relative path to run `amd_pstate_tracer.py` is broken.
Fix this by using absolute paths.
Signed-off-by: Swapnil Sapkal <swapnil.sapkal@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest updates from Shuah Khan:
- several patches to enhance and fix resctrl test
- nolibc support for kselftest with an addition to vprintf() to
tools/nolibc/stdio and related test changes
- Refactor 'peeksiginfo' ptrace test part
- add 'malloc' failures checks in cgroup test_memcontrol
- a new prctl test
- enhancements sched test with additional ore schedule prctl calls
* tag 'linux-kselftest-next-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (25 commits)
selftests/resctrl: Fix incorrect error return on test complete
selftests/resctrl: Remove duplicate codes that clear each test result file
selftests/resctrl: Commonize the signal handler register/unregister for all tests
selftests/resctrl: Cleanup properly when an error occurs in CAT test
selftests/resctrl: Flush stdout file buffer before executing fork()
selftests/resctrl: Return MBA check result and make it to output message
selftests/resctrl: Fix set up schemata with 100% allocation on first run in MBM test
selftests/resctrl: Use correct exit code when tests fail
kselftest/arm64: Convert za-fork to use kselftest.h
kselftest: Support nolibc
tools/nolibc/stdio: Implement vprintf()
selftests/resctrl: Correct get_llc_perf() param in function comment
selftests/resctrl: Use remount_resctrlfs() consistently with boolean
selftests/resctrl: Change name from CBM_MASK_PATH to INFO_PATH
selftests/resctrl: Change initialize_llc_perf() return type to void
selftests/resctrl: Replace obsolete memalign() with posix_memalign()
selftests/resctrl: Check for return value after write_schemata()
selftests/resctrl: Allow ->setup() to return errors
selftests/resctrl: Move ->setup() call outside of test specific branches
selftests/resctrl: Return NULL if malloc_and_init_memory() did not alloc mem
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Fix spelling mistakes in run.sh "drvier" => "driver" and
in gitsource.sh "senconds" => "seconds".
Signed-off-by: Sukrut Bellary <sukrut.bellary@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Bring back the Python scripts that were initially added with
TEST_GEN_FILES but now with TEST_FILES to avoid having them deleted
when doing a clean. Also fix the way the architecture is being
determined as they should also be installed when ARCH=x86_64 is
provided explicitly. Then also append extra files to TEST_FILES and
TEST_PROGS with += so they don't get discarded.
Fixes: ba2d788aa873 ("selftests: amd-pstate: Trigger tbench benchmark and test cpus")
Fixes: a49fb7218ed8 ("selftests: amd-pstate: Don't delete source files via Makefile")
Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Revert the portion of a recent Makefile change that incorrectly
deletes source files when doing "make clean".
Fixes: ba2d788aa873 ("selftests: amd-pstate: Trigger tbench benchmark and test cpus")
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Reviewed-by: Sedat Dilek <sedat.dilek@gmail.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add gitsource.sh trigger the gitsource testing and monitor the cpu desire
performance, frequency, load, power consumption and throughput etc.
1) Download and tar gitsource codes.
2) Run gitsource benchmark on specific governors, ondemand or schedutil.
3) Run tbench benchmark comparative test on acpi-cpufreq kernel driver.
4) Get desire performance, frequency, load by perf.
5) Get power consumption and throughput by amd_pstate_trace.py.
6) Get run time by /usr/bin/time.
7) Analyse test results and save it in file selftest.gitsource.csv.
8) Plot png images about time, energy and performance per watt
for each test.
Fixed whitespace error during commit:
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Meng Li <li.meng@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add tbench.sh trigger the tbench testing and monitor the cpu desire
performance, frequency, load, power consumption and throughput etc.
Signed-off-by: Meng Li <li.meng@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Split basic.sh into run.sh and basic.sh.
The modification makes basic.sh more pure, just for test basic kernel
functions. The file of run.sh mainly contains functions such as test
entry, parameter check, prerequisite and log clearing etc.
Then you can specify test case in kselftest/amd-pstate, for example:
sudo ./run.sh -c basic. The detail please run the below script.
./run.sh --help
Signed-off-by: Meng Li <li.meng@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Rename amd-pstate-ut.sh to basic.sh.
The purpose of this modification is to facilitate the subsequent
addition of gitsource, tbench and other tests.
Signed-off-by: Meng Li <li.meng@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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This kernel module is used for testing. It's safe to say M here.
It can also be built-in without X86_AMD_PSTATE enabled.
Currently, only tests for amd-pstate are supported. If X86_AMD_PSTATE
is set disabled, it can tell the users test can only run on amd-pstate
driver, please set X86_AMD_PSTATE enabled.
In the future, comparison tests will be added. It can set amd-pstate
disabled and set acpi-cpufreq enabled to run test cases, then compare
the test results.
Suggested-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Meng Li <li.meng@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add amd-pstate test trigger in kselftest, it will load/unload
amd-pstate-ut module to test some cases etc.
Signed-off-by: Meng Li <li.meng@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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