From owner-freebsd-performance@FreeBSD.ORG Fri Oct 31 04:08:06 2008 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 276591065677 for ; Fri, 31 Oct 2008 04:08:06 +0000 (UTC) (envelope-from xiazhongqi@huawei.com) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [119.145.14.65]) by mx1.freebsd.org (Postfix) with ESMTP id D78328FC08 for ; Fri, 31 Oct 2008 04:07:55 +0000 (UTC) (envelope-from xiazhongqi@huawei.com) Received: from huawei.com (szxga02-in [172.24.2.6]) by szxga02-in.huawei.com (iPlanet Messaging Server 5.2 HotFix 2.14 (built Aug 8 2006)) with ESMTP id <0K9L00N1C4BT43@szxga02-in.huawei.com> for freebsd-performance@freebsd.org; Fri, 31 Oct 2008 11:57:29 +0800 (CST) Received: from huawei.com ([172.24.1.24]) by szxga02-in.huawei.com (iPlanet Messaging Server 5.2 HotFix 2.14 (built Aug 8 2006)) with ESMTP id <0K9L000RS4BT3Y@szxga02-in.huawei.com> for freebsd-performance@freebsd.org; Fri, 31 Oct 2008 11:57:29 +0800 (CST) Received: from x49105 ([10.111.9.47]) by szxml04-in.huawei.com (iPlanet Messaging Server 5.2 HotFix 2.14 (built Aug 8 2006)) with ESMTPA id <0K9L007RE4BS98@szxml04-in.huawei.com> for freebsd-performance@freebsd.org; Fri, 31 Oct 2008 11:57:29 +0800 (CST) Date: Fri, 31 Oct 2008 11:57:28 +0800 From: Sam Xia In-reply-to: <20081030120020.838891065756@hub.freebsd.org> To: freebsd-performance@freebsd.org Message-id: <000101c93b0c$cb3a6d20$2f096f0a@china.huawei.com> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3350 X-Mailer: Microsoft Office Outlook 11 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT Thread-index: Ack6hx2y1kc6vLmCRpqWGwpYRVqZJAAhVE0w X-Mailman-Approved-At: Fri, 31 Oct 2008 04:53:47 +0000 Subject: RE: freebsd-performance Digest, Vol 68, Issue 4 X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 31 Oct 2008 04:08:06 -0000 hi all, Someone had ever told me that select-based timing thread is more accurate than signal-based timer. But I don't know the real reason. Anyone could give me some tips? Best Regards, Sam Xia