linux-kernel - Re: [Perf] Adding timeout option

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <5081B7F8.7040302@draigBrady.com>
Date:	Fri, 19 Oct 2012 13:28:40 -0700
From:	Pádraig Brady <P@...igBrady.com>
To:	abhishek agarwal <abhigem.126@...il.com>
CC:	linux-kernel@...r.kernel.org
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@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/