Ilpo Järvinen ef43c30858 selftests/resctrl: Reduce failures due to outliers in MBA/MBM tests ... The initial value of 5% chosen for the maximum allowed percentage difference between resctrl mbm value and IMC mbm value in commit 06bd03a57f ("selftests/resctrl: Fix MBA/MBM results reporting format") was "randomly chosen value" (as admitted by the changelog). When running tests in our lab across a large number platforms, 5% difference upper bound for success seems a bit on the low side for the MBA and MBM tests. Some platforms produce outliers that are slightly above that, typically 6-7%, which leads MBA/MBM test frequently failing. Replace the "randomly chosen value" with a success bound that is based on those measurements across large number of platforms by relaxing the MBA/MBM success bound to 8%. The relaxed bound removes the failures due the frequent outliers. Fixed commit description style error during merge: Shuah Khan <skhan@linuxfoundation.org> Fixes: 06bd03a57f ("selftests/resctrl: Fix MBA/MBM results reporting format") Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Tested-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com> Reviewed-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com> Cc: <stable@vger.kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>		2023-10-13 14:54:38 -06:00
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selftests	selftests/resctrl: Reduce failures due to outliers in MBA/MBM tests	2023-10-13 14:54:38 -06:00
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