On Wed, May 20, 2020 at 11:05 AM Florian Weimer wrote: > > * Alexander Monakov via Libc-alpha: > > > I am well aware. Again: rdtsc does not count CPU cycles on recent > > Intel CPUs. > > H.J. probably has a different view on what those “recent Intel CPUs” > are. 8-) I have not reviewed the mechanics of the patch, but if we need > this for some CPUs, we should make the change. > Here the patch with updated commit message: commit 7621e38bf3c58b2d0359545f1f2898017fd89d05 Author: Wilco Dijkstra Date: Tue Jan 29 17:43:45 2019 +0000 Add generic hp-timing support removed the clock_gettime option. Restore the clock_gettime option for some x86 CPUs on which value from RDTSC may not be incremented at a fixed rate. OK for master? Thanks. -- H.J.