Messages in this thread | | | Date | Fri, 19 Oct 2012 13:28:40 -0700 | From | Pádraig Brady <> | Subject | Re: [Perf] Adding timeout option |
| |
On 10/13/2012 08:54 AM, abhishek agarwal wrote: > Hi folks.. > > I was thinking that why cant we have a timeout option in perf stat > command. The timeout feature will help us to profile a process for a > stipulated time (preferably in millisecs) and make perf stat return > after that time. > Eg: > > perf stat --timeout=10 sleep 100 > > This will make perf return and report stats after 10 ms... > > Hope anyone can shed some more light on the idea
It seems preferable to use the timeout program to do this. Either sending a handled signal to the perf process like:
timeout -s HUP 10 perf stat sleep 100
Or even better, just use that to kill the monitored process itself
perf stat timeout 10 sleep 100
cheers, Pádraig. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |