Hi, Davidlohr On 07/09/2013 10:52 AM, Michael Wang wrote: > On 07/09/2013 10:36 AM, Davidlohr Bueso wrote: > [snip] >>> 2. is the 3.10-rc5 in image also disabled the hyperthreading? >> >> Yes, I happened to have data already collected for 3.10-rc5. While the >> runs with this patch was with -rc7, unless there was some performance >> related commit I missed, I don't think the performance difference was >> because of that. >> >>> 3. is the v3 patch set show the same issue? >> >> Uhmmm shoot, I didn't realize there was a v3, sorry about that. >> >> /me takes another look at the thread. > > V3 will reduce the overhead, should make things better, especially when > workload is high and platform is big (your box is really what I desired > ;-), honestly). > > And if it is possible, comparison based on the same basement will be > better :)
I have done some tests with reaim high_systime workfile, and I could not find regression on my box (the tool itself has some issue, but I got the results), v3 works well. I suppose the issue have been addressed, but please let us know if v3 also show regression on your box, we could try to solve the problem ;-) Regards, Michael Wang > > Regards, > Michael Wang > >> >> Thanks, >> Davidlohr >> > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
