Date: Fri, 17 Feb 2012 10:44:54 +0800 From: David Xu <listlog2011@gmail.com> To: davidxu@freebsd.org Cc: Alexander Kabaev <kan@freebsd.org>, threads@freebsd.org, Julian Elischer <julian@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) Message-ID: <4F3DBF26.2000306@gmail.com> In-Reply-To: <4F3DBE90.5030305@gmail.com> References: <4F3C2671.3090808__7697.00510795719$1329343207$gmane$org@freebsd.org> <4F3D3E2D.9090100@FreeBSD.org> <4F3D6FDD.9050808@freebsd.org> <4F3D89CD.9050309@freebsd.org> <4F3DA27A.3090903@freebsd.org> <4F3DB3DB.2060603@gmail.com> <4F3DB91A.2090806@freebsd.org> <4F3DBE90.5030305@gmail.com>
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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; }
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