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

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