On Thu, 2011-04-21 at 10:29 -0400, Jon Mason wrote:
Why are only these 3 drivers getting support? As far as I can tell,
the only requirement is HIGHDMA. If this is the case, is there really
a need for an additional flag to support this? If you can key off of
HIGHDMA, all devices that
On Wed, 2011-04-20 at 12:36 -0700, Shirley Ma wrote:
I am collecting more test results against 2.6.39-rc3 kernel and will
provide the test matrix later.
Single TCP_STREAM 120 secs test results over ixgbe 10Gb NIC results:
Message BW(Gb/s)qemu-kvm (NumCPU)vhost-net(NumCPU) PerfTop irq/s
4K
On Wed, Apr 20, 2011 at 3:36 PM, Shirley Ma mashi...@us.ibm.com wrote:
This patchset add supports for TX zero-copy between guest and host
kernel through vhost. It significantly reduces CPU utilization on the
local host on which the guest is located (It reduced 30-50% CPU usage
for vhost thread
This patchset add supports for TX zero-copy between guest and host
kernel through vhost. It significantly reduces CPU utilization on the
local host on which the guest is located (It reduced 30-50% CPU usage
for vhost thread for single stream test). The patchset is based on
previous submission and
Only when buffer size is greater than GOODCOPY_LEN (128), macvtap
enables zero-copy.
Signed-off-by: Shirley MA x...@us.ibm.com
---
drivers/net/macvtap.c | 124 -
1 files changed, 112 insertions(+), 12 deletions(-)
diff --git
