Re: [Pandora] offtopic: libpcap performance

[Simon Patarin]

> By the way, using original libpcap (in this case 0.7)... did you noticed
> that:
>
>       that if you do not make a pcap_stats just before the last pcap_read
>       almost all packets are droped (reported as kernel drops)?
>
>       For example, reading a 9000 packets/sec snaplen 68 bytes 10 secons
>       if you inmediatly call pcap_stats() you do not get dropped packets,
>       but if after the last packet_read() you nanosleep(50ms), all packets
>       are droped, so stats are bogus :-\

No, I've never noticed that. On which platform does this occur? Linux?
What's strange is that pcap_stats usually only reads the appropriate
structure inside the kernel (via an ioctl call), so it looks more like a
kernel bug.

Simon