From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from outbound-ss-820.bluehost.com (outbound-ss-820.bluehost.com [69.89.24.241]) by sourceware.org (Postfix) with ESMTPS id 88E713858434 for ; Tue, 2 May 2023 15:03:08 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 88E713858434 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=tromey.com Received: from cmgw15.mail.unifiedlayer.com (unknown [10.0.90.130]) by progateway2.mail.pro1.eigbox.com (Postfix) with ESMTP id DEEA4100492A7 for ; Tue, 2 May 2023 15:03:07 +0000 (UTC) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTP id trX1pBDc1695strX1pWnSA; Tue, 02 May 2023 15:03:07 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=HKAGqqhv c=1 sm=1 tr=0 ts=6451262b a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=P0xRbXHiH_UA:10:nop_rcvd_month_year a=Qbun_eYptAEA:10:endurance_base64_authed_username_1 a=CCpqsmhAAAAA:8 a=Sbc9OGzceaM2RrJIcVAA:9 a=ul9cdbp4aOFLsgKbc677:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date:References :Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=v/4pMp74xvgmP8IezIt0jygvhWKYq7r/hZHgN86rhd4=; b=AMr1VTnhLgnuYdC5lLSclD5uUa yltInbq0EoNeXAKQUGsN35HTg1A7v3OkMZyh7Ar7IBnV429MFZpcJSE2Ga/EV5Ae/NtkjAsg6YCeC wkRZeczkeO7kDIIoE39ZlsCFn; Received: from 71-211-191-82.hlrn.qwest.net ([71.211.191.82]:40854 helo=murgatroyd) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1ptrX1-002ceo-Js; Tue, 02 May 2023 09:03:07 -0600 From: Tom Tromey To: Bruno Larsen via Gdb-patches Cc: Simon Marchi , Bruno Larsen Subject: Re: [PATCH] gdb/record-full: disable range stepping when resuming threads References: <20230427185407.203300-1-simon.marchi@efficios.com> X-Attribution: Tom Date: Tue, 02 May 2023 09:03:06 -0600 In-Reply-To: (Bruno Larsen via Gdb-patches's message of "Tue, 2 May 2023 16:27:48 +0200") Message-ID: <87h6suvkr9.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 71.211.191.82 X-Source-L: No X-Exim-ID: 1ptrX1-002ceo-Js X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 71-211-191-82.hlrn.qwest.net (murgatroyd) [71.211.191.82]:40854 X-Source-Auth: tom+tromey.com X-Email-Count: 1 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3019.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,JMQ_SPF_NEUTRAL,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: >>>>> "Bruno" == Bruno Larsen via Gdb-patches writes: Bruno> For future improvement, I'm wondering: is gdbserver aware that the Bruno> execution is being recorded at all? I don't think so, or at least, not for full record. (It seems to have some btrace knowledge.) Bruno> That way it could record the Bruno> execution by itself and once the stop is reported, it sends the Bruno> recorded instructions (which I hope should be faster). I'm asking Bruno> before adding it to my backlog, just in case it is very difficult to Bruno> do. I guess at minimum it would require making it possible to build the record machinery into gdbserver, and also adding the needed requests to the remote protocol. Tom