Thanks. I will look into that option.But I can also split my task.And right now
I want to understand the boundaries of a tool. At least approximate.
-------- Original message --------
From: Konstantin Tokarev <annu...@yandex.ru>
Date: 08/07/2016 13:50 (GMT+02:00)
To: Stepan Zakharov <vau...@hotmail.com>, valgrind-users@lists.sourceforge.net
Subject: Re: [Valgrind-users] Callgrind longest possible run
08.07.2016, 02:04, "Stepan Zakharov" <vau...@hotmail.com>:
> Hello,
> If I remember correct, callgrind takes x30 overhead in general (when I was
> running it). Usually , I had to run it on small tasks that won't take more
> then a few minutes, so this was not a bother to me.
>
> But right now I am wonering if I can measure the entire life-span of critical
> stages in our application. Usually, it takes up to 20 hours to perform a load
> test. And I would like to measure that period. For callgrind it means to run
> 20x30=600hrs. Which is 25 days. Is it really possible to run and record for
> such a long time? I heard the Counters in CallGrind are 64-bit so this part
> should not be the problem, but what I'm worrying about is the RAM overhead.
> It will kinda need to store all the upcoming dump in memory, isn't it? How
> much big will it be? And if so, will the CallgrindAnnotate or graphical tool
> (forgot the name) accept to proccess such a big dump?
> So, basically, these are my questions. Will be very grateful if you could
> enhance my knowledge about the capabilities of the tool.
I think you just need to use different kind of profiler for this task.
> Best,
> Stepan
> ,
>
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Regards,
Konstantin
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