On 03 Jun 2014, at 21:06 , Alexander Motin <m...@freebsd.org> wrote:
> Author: mav > Date: Tue Jun 3 21:06:03 2014 > New Revision: 267029 > URL: http://svnweb.freebsd.org/changeset/base/267029 > > Log: > Replace gethrtime() with cpu_ticks(), as source of random for the taskqueue > selection. gethrtime() in our port updated with HZ rate, so unusable for > this specific purpose, completely draining benefit of multiple taskqueues. > > MFC after: 2 weeks > I am seeing this now for all buildworld targets: /storage/head/obj//arm.armeb/scratch/tmp/bz/head.svn/tmp/usr/lib/libzpool.so: undefined reference to `cpu_ticks' > Modified: > head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c > > Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c > ============================================================================== > --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c Tue Jun 3 > 21:02:19 2014 (r267028) > +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c Tue Jun 3 > 21:06:03 2014 (r267029) > @@ -953,7 +953,7 @@ spa_taskq_dispatch_ent(spa_t *spa, zio_t > if (tqs->stqs_count == 1) { > tq = tqs->stqs_taskq[0]; > } else { > - tq = tqs->stqs_taskq[gethrtime() % tqs->stqs_count]; > + tq = tqs->stqs_taskq[cpu_ticks() % tqs->stqs_count]; > } > > taskq_dispatch_ent(tq, func, arg, flags, ent); > — Bjoern A. Zeeb "Come on. Learn, goddamn it.", WarGames, 1983 _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
