Re: [PATCH 3/3] perf events: add timehist option to record and report

David Ahern
2011-02-18T19:02:58Z

On 02/18/11 11:41, Arnaldo Carvalho de Melo wrote:
>
> Think about tcpdump + networking tracepoints or 'perf probe' dynamic
> events in the network stack, he wants to merge those logs and correlate
> the tcpdump packet exchange with the tracepoints events in the network
> stack, etc.

I'm zoned in on ap logs, but tcpdump and network analysis is another
very good example. packets are tagged with realtime:

static inline void __net_timestamp(struct sk_buff *skb)
{
skb->tstamp = ktime_get_real();
}

David