lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 11 Sep 2007 10:35:35 -0700 From: Rick Jones <rick.jones2@...com> To: Eric Dumazet <dada1@...mosbay.com> Cc: Sridhar Samudrala <sri@...ibm.com>, netdev@...r.kernel.org Subject: Re: [PATCH] include listenq max backlog in /proc/net/tcp and include in tcp_info > ss command from iproute2 package ( http://linux-net.osdl.org/index.php/Iproute2 ) > > Problem with /proc/net/tcp is its quadratic time O(N^2) to output N lines... I could see where that might be a problem. >>>Rick, could you add this part in your patch, and add my Sign-off-by ? >> >>My pleasure. >> >>I have a small test program for the tcp_info bit - where do I go to find >>how the inet diag stuff works? > > > ss state listen hpcpc103:~# ss --version ss utility, iproute2-ss070313 hpcpc103:~# ss state listen ss: no socket states to show with such filter. hpcpc103:~# ss --all State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 128 *:sunrpc *:* LISTEN 0 128 *:auth *:* LISTEN 0 128 :::ssh :::* LISTEN 0 20 127.0.0.1:smtp *:* LISTEN 0 128 *:42137 *:* > > >>BTW, what do people think about doing the same thing with the rxqueue >>and txqueue's of netstat output? >> > > > I dont understand this question, I thought your patch already handled this > (for the txqueue, since rxqueue is already there), as netstat uses > /proc/net/tcp (unfortunatly) Well, it doesn't seem to be the case. This is from the same system as the ss output above: hpcpc103:~# netstat -an | grep LISTEN tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:113 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:42137 0.0.0.0:* LISTEN tcp6 0 0 :::22 :::* LISTEN unix 2 [ ACC ] STREAM LISTENING 5666 /var/run/acpid.socket I thought I saw some other code in there when I was stumbling around. rick - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists