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build/run resctrl_tests
resctrl_tests can be built or run using kselftests framework.
Add description on how to do so in README.
Reviewed-by: Reinette Chatre <[email protected]>
Reviewed-by: Fenghua Yu <[email protected]>
Signed-off-by: Shaopeng Tan <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Resctrl test suite accepts command line argument "-t" to specify the
unit tests to run in the test list (e.g., -t mbm,mba,cmt,cat) as
documented in the help.
When calling strtok() to parse the option, the incorrect delimiters
argument ":\t" is used. As a result, passing "-t mbm,mba,cmt,cat" throws
an invalid option error.
Fix this by using delimiters argument "," instead of ":\t" for parsing
of unit tests list. At the same time, remove the unnecessary "spaces"
between the unit tests in help documentation to prevent confusion.
Fixes: 790bf585b0ee ("selftests/resctrl: Add Cache Allocation Technology (CAT) selftest")
Fixes: 78941183d1b1 ("selftests/resctrl: Add Cache QoS Monitoring (CQM) selftest")
Fixes: ecdbb911f22d ("selftests/resctrl: Add MBM test")
Fixes: 034c7678dd2c ("selftests/resctrl: Add README for resctrl tests")
Cc: [email protected]
Signed-off-by: Xiaochen Shen <[email protected]>
Reviewed-by: Tony Luck <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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CMT (Cache Monitoring Technology) [1] is a H/W feature that reports cache
occupancy of a process. resctrl selftest suite has a unit test to test CMT
for LLC but the test is named as CQM (Cache Quality Monitoring).
Furthermore, the unit test source file is named as cqm_test.c and several
functions, variables, comments, preprocessors and statements widely use
"cqm" as either suffix or prefix. This rampant misusage of CQM for CMT
might confuse someone who is newly looking at resctrl selftests because
this feature is named CMT in the Intel Software Developer's Manual.
Hence, rename all the occurrences (unit test source file name, functions,
variables, comments and preprocessors) of cqm with cmt.
[1] Please see Intel SDM, Volume 3, chapter 17 and section 18 for more
information on CMT: https://software.intel.com/content/www/us/en/develop/articles/intel-sdm.html
Suggested-by: Reinette Chatre <[email protected]>
Tested-by: Babu Moger <[email protected]>
Signed-off-by: Fenghua Yu <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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resctrl tests will be implemented. README is added for the tool first.
Co-developed-by: Babu Moger <[email protected]>
Signed-off-by: Babu Moger <[email protected]>
Signed-off-by: Fenghua Yu <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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