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Diffstat (limited to 'tools/testing/selftests/resctrl/README')
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diff --git a/tools/testing/selftests/resctrl/README b/tools/testing/selftests/resctrl/README new file mode 100644 index 000000000..20502cb47 --- /dev/null +++ b/tools/testing/selftests/resctrl/README @@ -0,0 +1,53 @@ +resctrl_tests - resctrl file system test suit + +Authors: + Fenghua Yu <fenghua.yu@intel.com> + Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com>, + +resctrl_tests tests various resctrl functionalities and interfaces including +both software and hardware. + +Currently it supports Memory Bandwidth Monitoring test and Memory Bandwidth +Allocation test on Intel RDT hardware. More tests will be added in the future. +And the test suit can be extended to cover AMD QoS and ARM MPAM hardware +as well. + +BUILD +----- + +Run "make" to build executable file "resctrl_tests". + +RUN +--- + +To use resctrl_tests, root or sudoer privileges are required. This is because +the test needs to mount resctrl file system and change contents in the file +system. + +Executing the test without any parameter will run all supported tests: + + sudo ./resctrl_tests + +OVERVIEW OF EXECUTION +--------------------- + +A test case has four stages: + + - setup: mount resctrl file system, create group, setup schemata, move test + process pids to tasks, start benchmark. + - execute: let benchmark run + - verify: get resctrl data and verify the data with another source, e.g. + perf event. + - teardown: umount resctrl and clear temporary files. + +ARGUMENTS +--------- + +Parameter '-h' shows usage information. + +usage: resctrl_tests [-h] [-b "benchmark_cmd [options]"] [-t test list] [-n no_of_bits] + -b benchmark_cmd [options]: run specified benchmark for MBM, MBA and CQM default benchmark is builtin fill_buf + -t test list: run tests specified in the test list, e.g. -t mbm,mba,cqm,cat + -n no_of_bits: run cache tests using specified no of bits in cache bit mask + -p cpu_no: specify CPU number to run the test. 1 is default + -h: help |