diff options
| author | Fenghua Yu <fenghua.yu@intel.com> | 2020-01-17 00:32:39 +0300 |
|---|---|---|
| committer | Shuah Khan <skhan@linuxfoundation.org> | 2020-02-11 04:42:29 +0300 |
| commit | ecdbb911f22d6cc5d422571dedf048b889d71417 (patch) | |
| tree | fec76c9957f0335f20c5a4a5ad0ae5d3efe8afac /tools/testing/selftests/resctrl/resctrl_val.c | |
| parent | a2561b12fe392e0024e3187d325dbcbde7b99c04 (diff) | |
| download | linux-ecdbb911f22d6cc5d422571dedf048b889d71417.tar.xz | |
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>
Diffstat (limited to 'tools/testing/selftests/resctrl/resctrl_val.c')
| -rw-r--r-- | tools/testing/selftests/resctrl/resctrl_val.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/resctrl/resctrl_val.c b/tools/testing/selftests/resctrl/resctrl_val.c index 0d1bd03ec4be..4f7bd5a4d86e 100644 --- a/tools/testing/selftests/resctrl/resctrl_val.c +++ b/tools/testing/selftests/resctrl/resctrl_val.c @@ -435,6 +435,8 @@ pid_t bm_pid, ppid; static void ctrlc_handler(int signum, siginfo_t *info, void *ptr) { kill(bm_pid, SIGKILL); + umount_resctrlfs(); + tests_cleanup(); printf("Ending\n\n"); exit(EXIT_SUCCESS); |