On 10/16/2018 03:32 PM, Fenghua Yu wrote: >> From: Moger, Babu [mailto:babu.mo...@amd.com] >> On 10/16/2018 11:56 AM, 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. >> >> I like the initiative here. It is always good to have a single code base. >> >> One question. I see that there is a tool at >> https://github.com/intel/intel-cmt-cat to test and verify the functionality >> of resctrl feature. I also see some of the distros have this tool already. >> Is this tool going to replace intel-cmt-cat? I have not looked at the >> patches closely yet. > > No, the selftest in this patch set will not replace intel-cmt-cat or > vice versa. > > The selftest in this patch set has a different purpose from intel-cmt-cat: > the selftest is a test tool which validates resctrl functionalities while > intel-cmt-cat is mainly a utility that provides base library for higher > level applications including performance analysis tools, benchmark measurement > tools, and potential resctrl tests. For example, running MBA test in the > selftests tells MBA working or not working (fail/pass) right way. The
Ok. Sure. Let me take a look at selftest closely. Will send my feedback soon. > intel-cmt-cat doesn't have this testing capability unless we extend the > tool. > > And intel-cmt-cat is maintained and developed by Intel. I don't think it's > easy to extend it to AMD and ARM features. The selftest will be maintained We1l.. We were hoping to have a common tool across. It makes it easy for distros. Probably, we can have a separate discussion on this. > and developed by the community and will hopefully cover all architectures. > > We have seen a few issues recently in resctrl and may see more issues > while expending the features. A convevient selftest may be useful to help > identify and fix those potential issues. > > Thanks. > > -Fenghua > >
