Re: [tcpdump-workers] NIC / driver performance with libpcap

2008-01-11 Thread Andy Howell
Stephen Donnelly wrote: On Wed, 2008-01-09 at 17:12 +0100, Fabian Schneider wrote: Hi Andy, The two metrics I looking at now are: - What throughput can I get before seeing dropped packets - CPU usage maybe you want to take a look at [1] where I have done exactly this for a special sys

Re: [tcpdump-workers] NIC / driver performance with libpcap

2008-01-09 Thread Stephen Donnelly
On Wed, 2008-01-09 at 17:12 +0100, Fabian Schneider wrote: > Hi Andy, > > The two metrics I looking at now are: > > > > - What throughput can I get before seeing dropped packets > > - CPU usage > > maybe you want to take a look at [1] where I have done exactly this for a > special systems w

Re: [tcpdump-workers] NIC / driver performance with libpcap

2008-01-09 Thread Fabian Schneider
Hi Andy, > The two metrics I looking at now are: > > - What throughput can I get before seeing dropped packets > - CPU usage maybe you want to take a look at [1] where I have done exactly this for a special systems with Intel cards. If you want to read more background on this have a loo

Re: [tcpdump-workers] NIC / driver performance with libpcap

2008-01-08 Thread Andy Howell
Fabian, As I don't know such a list, I just tell what i know. By the way, which link layer technology are we talking about? I'm primarily interested in 1-Gig Ethernet right now, though I'll need to look at 10-Gig at some point. For 1-GigEthernet my experience shows that the intel cards ar

Re: [tcpdump-workers] NIC / driver performance with libpcap

2008-01-08 Thread Fabian Schneider
Hi, > If such a list does not exist, I'd be happy to collate whatever information > available. As I don't know such a list, I just tell what i know. By the way, which link layer technology are we talking about? And, I cannot say anything for Solaris. For 1-GigEthernet my experience shows that

[tcpdump-workers] NIC / driver performance with libpcap

2008-01-07 Thread Andy Howell
Hello, I'm looking for benchmark information for NICs that work well for data capture with libpcap. My primary focus is Linux / Solaris. If such a list does not exist, I'd be happy to collate whatever information available. Regards, Andy - This is the tcpdump-workers list. Vis