Hi Fenghua/Sai/Arshiya, We were thinking of updating these selftests to work on both Intel and AMD. What do you guys think?
If that is ok, I can update these patches and resubmit. If you have already updated, please post the latest series. I will use the latest version. Please let me know. Thanks On 12/21/18 6:20 PM, Fenghua Yu wrote: > With more and more resctrl features are being added by Intel, AMD > and ARM, a test tool is becoming more and more useful to validate > that both hardware and software functionalities work as expected. > > We introduce resctrl selftest to cover resctrl features on both > X86 and ARM architectures. It first implements MBM (Memory Bandwidth > Monitoring) and MBA (Memory Bandwidth Allocation) tests. We can enhance > the selftest tool to include more functionality tests in future. > > There is an existing resctrl test suite 'intel_cmt_cat'. But the major > purpose of the tool is to test Intel(R) RDT hardware via writing and > reading MSR registers. It does access resctrl file system; but the > functionalities are very limited. And it doesn't support automatic test > and a lot of manual verifications are involved. > > So the selftest tool we are introducing here provides a convenient > tool which does automatic resctrl testing, is easily available in kernel > tree, and will be extended to AMD QoS and ARM MPAM. > > The selftest tool is in tools/testing/selftests/resctrl in order to have > generic test code for all architectures. > > Changelog: > v4: > - address comments from Balu and Randy > - Add CAT and CQM tests > > v3: > - Change code based on comments from Babu Moger > - Remove some unnessary code and use pipe to communicate b/w processes > > v2: > - Change code based on comments from Babu Moger > - Clean up other places. > > Arshiya Hayatkhan Pathan (4): > selftests/resctrl: Add MBM test > selftests/resctrl: Add MBA test > selftests/resctrl Add Cache QoS Monitoring (CQM) selftest > selftests/resctrl: Add Cache Allocation Technology (CAT) selftest > > Fenghua Yu (2): > selftests/resctrl: Add README for resctrl tests > selftests/resctrl: Add the test in MAINTAINERS > > Sai Praneeth Prakhya (4): > selftests/resctrl: Add basic resctrl file system operations and data > selftests/resctrl: Read memory bandwidth from perf IMC counter and > from resctrl file system > selftests/resctrl: Add callback to start a benchmark > selftests/resctrl: Add built in benchmark > > MAINTAINERS | 1 + > tools/testing/selftests/resctrl/Makefile | 16 + > tools/testing/selftests/resctrl/README | 53 ++ > tools/testing/selftests/resctrl/cache.c | 275 +++++++ > tools/testing/selftests/resctrl/cat_test.c | 243 ++++++ > tools/testing/selftests/resctrl/cqm_test.c | 169 ++++ > tools/testing/selftests/resctrl/fill_buf.c | 198 +++++ > tools/testing/selftests/resctrl/mba_test.c | 174 +++++ > tools/testing/selftests/resctrl/mbm_test.c | 146 ++++ > tools/testing/selftests/resctrl/resctrl.h | 104 +++ > .../testing/selftests/resctrl/resctrl_tests.c | 175 +++++ > tools/testing/selftests/resctrl/resctrl_val.c | 727 ++++++++++++++++++ > tools/testing/selftests/resctrl/resctrlfs.c | 643 ++++++++++++++++ > 13 files changed, 2924 insertions(+) > create mode 100644 tools/testing/selftests/resctrl/Makefile > create mode 100644 tools/testing/selftests/resctrl/README > create mode 100644 tools/testing/selftests/resctrl/cache.c > create mode 100644 tools/testing/selftests/resctrl/cat_test.c > create mode 100644 tools/testing/selftests/resctrl/cqm_test.c > create mode 100644 tools/testing/selftests/resctrl/fill_buf.c > create mode 100644 tools/testing/selftests/resctrl/mba_test.c > create mode 100644 tools/testing/selftests/resctrl/mbm_test.c > create mode 100644 tools/testing/selftests/resctrl/resctrl.h > create mode 100644 tools/testing/selftests/resctrl/resctrl_tests.c > create mode 100644 tools/testing/selftests/resctrl/resctrl_val.c > create mode 100644 tools/testing/selftests/resctrl/resctrlfs.c >
