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/linux/tools/testing/selftests/resctrl/ |
H A D | Makefile | diff ecdbb911f22d6cc5d422571dedf048b889d71417 Thu Jan 16 22:32:39 CET 2020 Fenghua Yu <fenghua.yu@intel.com> selftests/resctrl: Add MBM test
MBM (Memory Bandwidth Monitoring) test is the first implemented selftest. It starts a stressful memory bandwidth benchmark and assigns the bandwidth pid in a resctrl monitoring group. Read and compare perf IMC counter and MBM total bytes for the benchmark. The numbers should be close enough to pass the test.
Default benchmark is built-in fill_buf. But users can specify their own benchmark by option "-b".
We can add memory bandwidth monitoring for multiple processes in the future.
Co-developed-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Signed-off-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Co-developed-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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H A D | mbm_test.c | ecdbb911f22d6cc5d422571dedf048b889d71417 Thu Jan 16 22:32:39 CET 2020 Fenghua Yu <fenghua.yu@intel.com> selftests/resctrl: Add MBM test
MBM (Memory Bandwidth Monitoring) test is the first implemented selftest. It starts a stressful memory bandwidth benchmark and assigns the bandwidth pid in a resctrl monitoring group. Read and compare perf IMC counter and MBM total bytes for the benchmark. The numbers should be close enough to pass the test.
Default benchmark is built-in fill_buf. But users can specify their own benchmark by option "-b".
We can add memory bandwidth monitoring for multiple processes in the future.
Co-developed-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Signed-off-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Co-developed-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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H A D | resctrl_tests.c | ecdbb911f22d6cc5d422571dedf048b889d71417 Thu Jan 16 22:32:39 CET 2020 Fenghua Yu <fenghua.yu@intel.com> selftests/resctrl: Add MBM test
MBM (Memory Bandwidth Monitoring) test is the first implemented selftest. It starts a stressful memory bandwidth benchmark and assigns the bandwidth pid in a resctrl monitoring group. Read and compare perf IMC counter and MBM total bytes for the benchmark. The numbers should be close enough to pass the test.
Default benchmark is built-in fill_buf. But users can specify their own benchmark by option "-b".
We can add memory bandwidth monitoring for multiple processes in the future.
Co-developed-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Signed-off-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Co-developed-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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H A D | resctrlfs.c | diff ecdbb911f22d6cc5d422571dedf048b889d71417 Thu Jan 16 22:32:39 CET 2020 Fenghua Yu <fenghua.yu@intel.com> selftests/resctrl: Add MBM test
MBM (Memory Bandwidth Monitoring) test is the first implemented selftest. It starts a stressful memory bandwidth benchmark and assigns the bandwidth pid in a resctrl monitoring group. Read and compare perf IMC counter and MBM total bytes for the benchmark. The numbers should be close enough to pass the test.
Default benchmark is built-in fill_buf. But users can specify their own benchmark by option "-b".
We can add memory bandwidth monitoring for multiple processes in the future.
Co-developed-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Signed-off-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Co-developed-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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H A D | resctrl_val.c | diff ecdbb911f22d6cc5d422571dedf048b889d71417 Thu Jan 16 22:32:39 CET 2020 Fenghua Yu <fenghua.yu@intel.com> selftests/resctrl: Add MBM test
MBM (Memory Bandwidth Monitoring) test is the first implemented selftest. It starts a stressful memory bandwidth benchmark and assigns the bandwidth pid in a resctrl monitoring group. Read and compare perf IMC counter and MBM total bytes for the benchmark. The numbers should be close enough to pass the test.
Default benchmark is built-in fill_buf. But users can specify their own benchmark by option "-b".
We can add memory bandwidth monitoring for multiple processes in the future.
Co-developed-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Signed-off-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Co-developed-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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H A D | resctrl.h | diff ecdbb911f22d6cc5d422571dedf048b889d71417 Thu Jan 16 22:32:39 CET 2020 Fenghua Yu <fenghua.yu@intel.com> selftests/resctrl: Add MBM test
MBM (Memory Bandwidth Monitoring) test is the first implemented selftest. It starts a stressful memory bandwidth benchmark and assigns the bandwidth pid in a resctrl monitoring group. Read and compare perf IMC counter and MBM total bytes for the benchmark. The numbers should be close enough to pass the test.
Default benchmark is built-in fill_buf. But users can specify their own benchmark by option "-b".
We can add memory bandwidth monitoring for multiple processes in the future.
Co-developed-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Signed-off-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Co-developed-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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