From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 57100 invoked by alias); 2 Jun 2015 12:34:19 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 57000 invoked by uid 89); 2 Jun 2015 12:34:19 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.5 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_LOW,SPF_PASS,T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: mail-ob0-f174.google.com Received: from mail-ob0-f174.google.com (HELO mail-ob0-f174.google.com) (209.85.214.174) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Tue, 02 Jun 2015 12:34:13 +0000 Received: by obbea2 with SMTP id ea2so126328768obb.3 for ; Tue, 02 Jun 2015 05:34:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=mDfBb6HeKlGyAXatGa70/HL/ZaIYXgwKLQsjm7BH4Js=; b=dVRHSsE5L52oHb04BDeVAdTJ9Nee6HTy7Z/Tay2/sminpS6yjdPRBLnJIkogNAsSFQ MYMAJT/luKbmLxrLtalNW6LXNkxbsIhm7O3i2EpxE50elEF5xbORmg/VadMqZeHXJYeR e32CVzKchFqBDlhKCGs96myCiMjqxX+jN0yhSOndyYz/2Neig9qjVHKea01DQ9PQIzVZ OnyXjwvHoQ2jDMcDYF9gvtpYCLWEFOLF/0Ha+kOlrTYkWfdr5HLvA98/M0eU1OrQ6920 q483lo1Ehf53TpgTPD9K/LLQ6Zkl1HYpysHnRXV/xjxu/tNPpbiL2n9Y7fCyk5MMNkN8 il/g== X-Gm-Message-State: ALoCoQmbGdsoA88iY+H6YUySPE6oIojUas98JkgGNmFiJmBBhmbqHGKSSYsHIl3LyHO1MU1BfJk0 MIME-Version: 1.0 X-Received: by 10.60.132.208 with SMTP id ow16mr22426540oeb.66.1433248450819; Tue, 02 Jun 2015 05:34:10 -0700 (PDT) Received: by 10.182.89.99 with HTTP; Tue, 2 Jun 2015 05:34:10 -0700 (PDT) In-Reply-To: <556D6267.5080408@gmail.com> References: <089e0160b1be9352da05162640cb@google.com> <86382ssrx7.fsf@gmail.com> <556D6267.5080408@gmail.com> Date: Tue, 02 Jun 2015 12:34:00 -0000 Message-ID: Subject: Re: [PATCH] Make file-based lookup more interruptable From: Doug Evans To: Yao Qi Cc: gdb-patches Content-Type: text/plain; charset=UTF-8 X-IsSubscribed: yes X-SW-Source: 2015-06/txt/msg00016.txt.bz2 On Tue, Jun 2, 2015 at 12:59 AM, Yao Qi wrote: > This kind of change [a perf improvement can be user > visible (10 min -> 10s) and can be user invisible (2s -> 1s). An improvement of 10min -> 10s (or greater, I have made several) would be "good news to users", no? > However, this change isn't performance improvement, because it doesn't > shorten the time of operation like "b 'foo.c':bar". Oh? "b 'foo.c':bar" + ^c changes from 10min to 10sec (or some such). How is this any different? > This change only > makes GDB more interruptable during some operations, IMO this is a good > news to users and we should let them know.