> On Fri, Nov 18, 2011 at 3:23 PM, Stephen Hemminger > <shemmin...@vyatta.com> wrote: > > On Fri, 18 Nov 2011 15:12:18 -0800 > > Jesse Gross <je...@nicira.com> wrote: > > > >> + write_seqcount_begin(&stats->seqlock); > >> + stats->tx_packets++; > >> + stats->tx_bytes += sent; > >> + write_seqcount_end(&stats->seqlock); > > > > There is a u64_stats_sync set of macros for this. It has the > > advantage of becoming a NOP on 64 bit platforms. > > The reason why I did it this way is it ties the packet and byte count > together.
Ok, but why bother? No other software counters bother to group bytes/packets. Even hardware counters get read separately. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev