From: Simon Xiao <sixiao@xxxxxxxxxxxxx> Date: Thu, 14 May 2015 01:00:25 -0700 > Current code does not lock anything when calculating the TX and RX stats. > As a result, the RX and TX data reported by ifconfig are not accuracy in a > system with high network throughput and multiple CPUs (in my test, > RX/TX = 83% between 2 HyperV VM nodes which have 8 vCPUs and 40G Ethernet). > > This patch fixed the above issue by using per_cpu stats. > netvsc_get_stats64() summarizes TX and RX data by iterating over all CPUs > to get their respective stats. > > This v2 patch addressed David's comments on the cleanup path when > netdev_alloc_pcpu_stats() failed. > > Signed-off-by: Simon Xiao <sixiao@xxxxxxxxxxxxx> > Reviewed-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> > Reviewed-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> Applied, thanks. _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
