On Wed, 2018-02-21 at 06:10 -0500, Zhu Yanjun wrote:
> In send_atomic_ack function, it is not necessary to make a
> skb_clone. To gain better performance (high throughput and
> low latency), this skb_clone is removed.
>
> The following tests are made.
>
> server client
> --------- ---------
> > 1.1.1.1|<----rxe-channel--->|1.1.1.2|
>
> --------- ---------
>
> On server: rping -s -a 1.1.1.1 -v -C 1000 -S 512
> On client: rping -c -a 1.1.1.1 -v -C 1000 -S 512
>
> The kernel config CONFIG_DEBUG_KMEMLEAK is enabled on both server
> and client.
>
> This test runs for several hours. There is no memory leak and the whole
> system can work well.
>
> Based on the above network, the following tests are made.
>
> Server: ibv_rc_pingpong -d rxe0 -g 1
> Client: ibv_rc_pingpong -d rxe0 -g 1 1.1.1.1
>
> The test results on Server(10 tests are made).
> Before:
> Throughput is 137.07 Mbit/sec
> Latency is 517.76 usec/iter
>
> After:
> Throughput is 148.85 Mbit/sec
> Latency is 476.64 usec/iter
>
> The throughput is enhanced and the latency is reduced.
>
> CC: Srinivas Eeda <srinivas.eeda@xxxxxxxxxx>
> CC: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
> Signed-off-by: Zhu Yanjun <yanjun.zhu@xxxxxxxxxx>
> ---
Thanks, applied to for-next.
--
Doug Ledford <dledford@xxxxxxxxxx>
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