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Date: Tue, 29 Nov 2005 20:17:47 +0800
From: David Xu <davidxu@freebsd.org>
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To: "Ricardo A. Reis" <ricardo_bsd@yahoo.com.br>
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Cc: performance@freebsd.org
Subject: Re: Libmicro!! pthread_create Resource temporarily unavailable
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Ricardo A. Reis wrote:

>
> >the pthread_create benchmark is trying to create 20000 threads, the
> >default allowed number is 1500.
>
>
> Hi,
>
> I increase default limits for  *per_proc for 40000
>
> sysctl -a |grep threads
> kern.threads.thr_concurrency: 0
> kern.threads.thr_scope: 0
> kern.threads.virtual_cpu: 2
> kern.threads.max_threads_hits: 0
> kern.threads.max_groups_per_proc: 40000
> kern.threads.max_threads_per_proc: 40000
> kern.threads.debug: 0
> vm.stats.vm.v_kthreads: 69
>
>
> But this not solution,
>
>
>
> Thanks
>
>
> Ricardo A. Reis
> UNIFESP
> Unix and Network Admin

You can not create 40000 threads, because each thread
defaults has 2M stack, you will out of address space.

David Xu