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From: Wei Xu <wexu at redhat.com> Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread: https://www.mail-archive.com/netdev at vger.kernel.org/msg187936.html Eventually we figured out that it was a skb leak in...

From: Wei Xu <wexu at redhat.com> Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread: https://www.mail-archive.com/netdev at vger.kernel.org/msg187936.html Eventually we figured out that it was a skb leak in...

From: Wei Xu <wexu at redhat.com> Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread: https://www.mail-archive.com/netdev at vger.kernel.org/msg187936.html v4: - fix zero iov iterator count in tap/tap_do_rea...

From: Wei Xu <wexu at redhat.com> Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread: https://www.mail-archive.com/netdev at vger.kernel.org/msg187936.html v4: - fix zero iov iterator count in tap/tap_do_rea...

From: Wei Xu <wexu at redhat.com> Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread: https://www.mail-archive.com/netdev at vger.kernel.org/msg187936.html This is v3. v3: - move freeing skb from vhost to t...

From: Wei Xu <wexu at redhat.com> Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread: https://www.mail-archive.com/netdev at vger.kernel.org/msg187936.html This is v3. v3: - move freeing skb from vhost to t...

On 2017?11?29? 09:53, Jason Wang wrote: > > > On 2017???11???29??? 01:17, wexu at redhat.com wrote: >> From: Wei Xu <wexu at redhat.com> >> >> Matthew found a roughly 40% tcp throughput regression with commit >> c67df11f(vhost_net: try batch dequing from skb array) as discussed >> in the following thread: >> https://www.mail-archive.c...

On 2017?11?29? 09:53, Jason Wang wrote: > > > On 2017???11???29??? 01:17, wexu at redhat.com wrote: >> From: Wei Xu <wexu at redhat.com> >> >> Matthew found a roughly 40% tcp throughput regression with commit >> c67df11f(vhost_net: try batch dequing from skb array) as discussed >> in the following thread: >> https://www.mail-archive.c...

From: Wei Xu <wexu at redhat.com> Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread: https://www.mail-archive.com/netdev at vger.kernel.org/msg187936.html Eventually we figured out that it was a skb leak in...

From: Wei Xu <wexu at redhat.com> Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread: https://www.mail-archive.com/netdev at vger.kernel.org/msg187936.html Eventually we figured out that it was a skb leak in...

From: Wei Xu <wexu at redhat.com> tun_recvmsg() supports accepting skb by msg_control after commit ac77cfd4258f ("tun: support receiving skb through msg_control"), the skb if presented should be freed within the function, otherwise it would be leaked. Signed-off-by: Wei Xu <wexu at redhat.com> Re...

On Fri, Dec 01, 2017 at 03:11:05PM +0800, Jason Wang wrote: > > > On 2017?12?01? 13:54, wexu at redhat.com wrote: > > From: Wei Xu <wexu at redhat.com> > > > > Matthew found a roughly 40% tcp throughput regression with commit > > c67df11f(vhost_net: try batch dequing from skb array) as discussed > > in the following thread: > > https://www.mail-ar...

On Fri, Dec 01, 2017 at 03:11:05PM +0800, Jason Wang wrote: > > > On 2017?12?01? 13:54, wexu at redhat.com wrote: > > From: Wei Xu <wexu at redhat.com> > > > > Matthew found a roughly 40% tcp throughput regression with commit > > c67df11f(vhost_net: try batch dequing from skb array) as discussed > > in the following thread: > > https://www.mail-ar...

From: Wei Xu <wexu at redhat.com> Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread: https://www.mail-archive.com/netdev at vger.kernel.org/msg187936.html Eventually we figured out that it was a skb leak in...

On 2017?11?29? 23:31, Michael S. Tsirkin wrote: > On Wed, Nov 29, 2017 at 09:23:24AM -0500,wexu at redhat.com wrote: >> From: Wei Xu<wexu at redhat.com> >> >> Matthew found a roughly 40% tcp throughput regression with commit >> c67df11f(vhost_net: try batch dequing from skb array) as discussed >> in the following thread: >> https://www.mail-archive.c...

On 2017?11?29? 23:31, Michael S. Tsirkin wrote: > On Wed, Nov 29, 2017 at 09:23:24AM -0500,wexu at redhat.com wrote: >> From: Wei Xu<wexu at redhat.com> >> >> Matthew found a roughly 40% tcp throughput regression with commit >> c67df11f(vhost_net: try batch dequing from skb array) as discussed >> in the following thread: >> https://www.mail-archive.c...

On 12/01/2017 09:47 AM, Michael S. Tsirkin wrote: > On Fri, Dec 01, 2017 at 05:10:35AM -0500, wexu at redhat.com wrote: >> From: Wei Xu <wexu at redhat.com> >> >> Matthew found a roughly 40% tcp throughput regression with commit >> c67df11f(vhost_net: try batch dequing from skb array) as discussed >> in the following thread: >> https://www.mail-archive.c...

On 12/01/2017 09:47 AM, Michael S. Tsirkin wrote: > On Fri, Dec 01, 2017 at 05:10:35AM -0500, wexu at redhat.com wrote: >> From: Wei Xu <wexu at redhat.com> >> >> Matthew found a roughly 40% tcp throughput regression with commit >> c67df11f(vhost_net: try batch dequing from skb array) as discussed >> in the following thread: >> https://www.mail-archive.c...

On Tue, Nov 28, 2017 at 12:17:16PM -0500, wexu at redhat.com wrote: > From: Wei Xu <wexu at redhat.com> > > Matthew found a roughly 40% tcp throughput regression with commit > c67df11f(vhost_net: try batch dequing from skb array) as discussed > in the following thread: > https://www.mail-archive.com/netdev at vger.kerne...

On Tue, Nov 28, 2017 at 12:17:16PM -0500, wexu at redhat.com wrote: > From: Wei Xu <wexu at redhat.com> > > Matthew found a roughly 40% tcp throughput regression with commit > c67df11f(vhost_net: try batch dequing from skb array) as discussed > in the following thread: > https://www.mail-archive.com/netdev at vger.kerne...