On Wed, Aug 13, 2014 at 08:59:50AM +0200, Mike Galbraith wrote: > I was told that clock_gettime(CLOCK_PROCESS_CPUTIME_ID) has scalability > issues on BIG boxen
> I'm sure the real clock_gettime() using proggy that gummed up a ~1200 > core box for "a while" wasn't the testcase below, which will gum it up > for a long while, but looks to me like using CLOCK_PROCESS_CPUTIME_ID > from LOTS of threads is a "Don't do that, it'll hurt a LOT". Yes, don't do that. Its unavoidably slow and bad.
pgpw1kipivOlM.pgp
Description: PGP signature
