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Date: Fri, 17 Feb 2012 10:44:54 +0800
From: David Xu <listlog2011@gmail.com>
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Cc: Alexander Kabaev <kan@freebsd.org>, threads@freebsd.org,
	FreeBSD Stable <freebsd-stable@freebsd.org>, Andriy Gapon <avg@freebsd.org>
Subject: Re: pthread_cond_timedwait() broken in 9-stable? (from JAN 10)
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On 2012/2/17 10:42, David Xu wrote:
> aybe following code can check to see if TSC-LOW works by let the 
> thread run
> on each cpu.
>
>
refresh:

gettimeofday(&prev, NULL);
int cpu = 0;
for (;;) {
      cpuset_t set;
      cpu = ++cpu % 4;
      CPU_ZERO(&set);
      CPU_SET(cpu, &set);
      pthread_setaffinity_np(pthread_self(), sizeof(set), &set);
      gettimeofday(&cur, NULL);
      if ( timercmp(&prev, &cur, >)) {
         abort();
    }
    prev = cur;
}