On 01/19/15 23:22, Adrian Chadd wrote:
In my instance, I'm seeing quite a lot of lock contention between the userland threads, the network RX threads and the clock thread, all contending on a single callout wheel being used for TCP timers. One of the early goals for fixing up the RSS stuff in -HEAD was to make per-CPU (Well, per-RSS-bucket really) TCP timers not contend with the NIC RX processing path, and now it does.:(
man 9 callout --HPS _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
