From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 127117 invoked by alias); 24 Apr 2017 08:23:11 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 127090 invoked by uid 89); 24 Apr 2017 08:23:08 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.7 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_LOW,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 spammy=Excellent, learning, respond X-HELO: sasl.smtp.pobox.com Received: from pb-smtp1.pobox.com (HELO sasl.smtp.pobox.com) (64.147.108.70) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 24 Apr 2017 08:23:07 +0000 Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by pb-smtp1.pobox.com (Postfix) with ESMTP id A7FB27FC69 for ; Mon, 24 Apr 2017 04:23:07 -0400 (EDT) Received: from pb-smtp1.nyi.icgroup.com (unknown [127.0.0.1]) by pb-smtp1.pobox.com (Postfix) with ESMTP id 9DEC47FC68 for ; Mon, 24 Apr 2017 04:23:07 -0400 (EDT) Received: from [192.168.1.4] (unknown [76.215.41.237]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pb-smtp1.pobox.com (Postfix) with ESMTPSA id F17FE7FC67 for ; Mon, 24 Apr 2017 04:23:06 -0400 (EDT) Subject: Re: long I/O delays when strace is running To: cygwin@cygwin.com References: <91DCAC3CB99C724EB365BB64677FBE7B16EBBD@MX204CL04.corp.emc.com> <46e39bce-9782-5c74-c196-35ee97ebbc64@pobox.com> <58F9D314.2000100@maxrnd.com> <7d56e728-32a3-9179-b002-e83880e297d0@pobox.com> <58FA83DB.3000209@maxrnd.com> <58FC5AFB.3010903@maxrnd.com> <00fb01d0-acdc-68da-e31e-45ffa7099043@pobox.com> <58FDA29D.7080908@maxrnd.com> From: Daniel Santos Message-ID: Date: Mon, 24 Apr 2017 15:00:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <58FDA29D.7080908@maxrnd.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Pobox-Relay-ID: 3E863F64-28C7-11E7-93C2-E680B56B9B0B-06139138!pb-smtp1.pobox.com X-IsSubscribed: yes X-SW-Source: 2017-04/txt/msg00310.txt.bz2 On 04/24/2017 02:00 AM, Mark Geisert wrote: > > Excellent debugging work! I'm inclined to agree with your last > point. I'm poring over pinfo.cc as well as dcrt0.cc, which is the > Cygwin DLL init code. The latter talks about special cases if the DLL > is runtime loaded (like strace does) vs link-time loaded (like Cygwin > apps do). May take me a while to respond. Hah! me too. :) At least I'm learning a lot. I have a better understanding of how it stores these in the windows object database thing under \\BaseNamedObjects and I can browse it to some degree with WinObj from sysinternals, but I'm still trying to figure out where that is initialized. My tests will be done soon and I'll be back to work on gcc. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple