On Fri, 29 Aug 2014, Daniel Jakots wrote:
> Hi,
>
> When running tcpbench -su, a lot of them are counted as "missed PCB
> cache".
...
> + n = recvfrom(fd, ptb->dummybuf, ptb->dummybuf_len, 0,
> + (struct sockaddr *)&ss, &slen);
> + if (n > 0 && connect(fd, (const struct sockaddr *)&ss, slen))
> + warn("fail to connect");
What's the benefit of this? I've never seen an application do this;
wouldn't it be better to improve the PCB cache so it caught this case
(which seems the usual way UDP applications behave) instead?
-d
