#! /usr/bin/env stap

global grq_time
global start

probe kernel.function("get_request_wait")
{
	grq_time[tid()] = gettimeofday_us()
}

probe kernel.function("get_request_wait").return
{
	t = gettimeofday_us()
	t0 = grq_time[tid()]
	delete grq_time[tid()]
	if(t-t0 > 800000) {
		printf("%d: latency: %dms, pid: %d (%s)\n", t - start, (t-t0)/1000, pid(),execname())
	}
}

probe begin {
 start = gettimeofday_us()
}