From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id OrqHJfrO6mHTSQAAWB0awg (envelope-from ) for ; Fri, 21 Jan 2022 10:19:22 -0500 Received: by simark.ca (Postfix, from userid 112) id 905251F3B6; Fri, 21 Jan 2022 10:19:22 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-3.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id 22D301EE1F for ; Fri, 21 Jan 2022 10:19:22 -0500 (EST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 4C2713857C7D for ; Fri, 21 Jan 2022 15:19:21 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4C2713857C7D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1642778361; bh=prB2bR3iPFIaZn2Pyuy3cGLDm7mYGZvKaSe35syWadY=; h=Date:To:Subject:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=GWNittmMXMHGpkAdgXcMIB7YpvUOzIInZM/r6WnM8KXsTfkIg6pm6hlv5N0i1LfXw tD6klTFzVakbmFzAHePW1GzYaGvNZXGbY/68FzzEXpcSiedi+b6eEELmNTP/Y+Nzzh 8tDpZp8KUo1YDygT1hg6JEqK1Lu3x3mtxzbD+W9c= Received: from eggs.gnu.org (eggs.gnu.org [209.51.188.92]) by sourceware.org (Postfix) with ESMTPS id B6B823857817 for ; Fri, 21 Jan 2022 15:18:09 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org B6B823857817 Received: from [2001:470:142:3::e] (port=41344 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nAvg1-0006oP-1x for gdb@sourceware.org; Fri, 21 Jan 2022 10:18:09 -0500 Received: from ip5f5a8abe.dynamic.kabel-deutschland.de ([95.90.138.190]:53579 helo=[192.168.111.41]) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nAvg0-0007H4-7j for gdb@sourceware.org; Fri, 21 Jan 2022 10:18:09 -0500 Message-ID: <40aebee9-d4ed-3a94-2341-cc17beeb6431@gnu.org> Date: Fri, 21 Jan 2022 16:18:06 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 To: gdb@sourceware.org Content-Language: en-US Subject: How to use bts recording? Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Simon Sobisch via Gdb Reply-To: Simon Sobisch Errors-To: gdb-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb" (gdb) record btrace bts Could not enable branch tracing for Thread 0x7ffff7fe6740 (LWP 2464935): Failed to start recording: No such file or directory. What does this message, raised by GDB 9.2, want to tell me? Looks like GDB 11.1 is a bit better: (gdb) record btrace bts Could not enable branch tracing for Thread 0x7ffff7fe4740 (LWP 2756): Failed to start recording: Operation not supported How to get that operation working? ... still on the road to understand GDBs recording... Simon