On Thu, 10 Dec 2020 at 04:43, Sandeep <sandy.8925@xxxxxxxxx> wrote: > > On Thu, 10 Dec 2020 at 01:35, Sandeep <sandy.8925@xxxxxxxxx> wrote: > > > > On Wed, 9 Dec 2020 at 20:58, Chatradhi, Naveen Krishna > > <NaveenKrishna.Chatradhi@xxxxxxx> wrote: > > > > > > [AMD Official Use Only - Approved for External Use] > > > > > > Hi Sandeep, > > > > > > >> Sure, I'll run that test. I have a 3900X though, which is 12 core, so do I have to adjust anything for that CPU, or just run with the parameters you've specified? > > > > > > I'm trying to get hold of a system to test it myself. In the meanwhile, you may run the following command > > > in the back ground and read the counters (cores and socket) at 5 to 10 secs apart and > > > sum of the diff of core counters should be not be > diff of socket counters > > > > > > sudo ./avx-turbo --iters 1000000000 --spec avx256_fma_t/12 > > > > > > You may refer https://www.spinics.net/lists/linux-hwmon/msg08255.html link for more background of the testing. > > > > > > Regards, > > > Naveenk > > > > > > > Do you already have a script or something that I can run to > > automatically gather this information (i.e check values every 5 > > seconds, calculate differences and check if the results line up)? > > Doing this manually, sounds like a lot of work that I really don't > > want to get into. > > > > - Sandeep > > Ok, I was able to write a small program to automate the test, and it > looks like the following condition "sum of the diff of core counters > > diff of socket counters" is indeed true. Looks like the values are > indeed incorrect sometimes. > - Sandeep I've uploaded the test program I wrote here - https://github.com/sandy-8925/amd-energy-tester - in case it's useful for anyone else. Let me know if you spot any bugs in that code. - Sandeep
