Re: [PATCH] Avoid gettimeofday when not needed

[P@xxxxxxxxxxxxxx]

Andi Kleen wrote:
> This patch implements an optimization I proposed a long time 
> ago. gettimeofday can be quite costly and it currently is 
> on the fast path of every packet. Normally the packet time stamp
> is not needed (e.g. TCP doesn't use it), except for tcpdump
> and a few applications.
Will this work for apps that don't use a seperate syscall
to get the timestamp. Like CONFIG_PACKET_MMAP for e.g?

Pádraig.