Re: [Valgrind-users] Multi-threading

[Dor B. D. <dor...@am...>]

Can you give me the link and save me the drilling effort, please ? 


One more thing, let's assume I continue using this way the valgrind to create my call graphs. Does a huge memory dedicated for this purpose, in my case 32gb ram may cause other issues due to the mentioned serialization process he does ? 

Dor

-----Original Message-----
From: pa...@fr... [mailto:pa...@fr...] 
Sent: יום ה 17 מרץ 2016 11:21
To: val...@li...
Subject: Re: [Valgrind-users] Multi threading


----- Original Message -----
> Hi,
>
> I am running valgrind in order to get a call graph, I am running top 
> and I keep seeing only one thread 100% cpu working for valgrind.
> 
> Does valgrind have any parameters that I can set for him, so it will 
> use all my machine cores (16 for example) ?

Hi

In short, Valgrind serializes threads to run on one core.

This questions comes up fairly regularly on this list. Check the archives, there was a recent post with a link to a presentation on what has been done and what would be required to have multithreading in Valgrind.

A+
Paul

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