From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AD37FCDB46E for ; Thu, 12 Oct 2023 09:45:31 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 21A423CEE52 for ; Thu, 12 Oct 2023 11:45:30 +0200 (CEST) Received: from in-2.smtp.seeweb.it (in-2.smtp.seeweb.it [217.194.8.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 5CAB03C888B for ; Thu, 12 Oct 2023 11:45:20 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (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 in-2.smtp.seeweb.it (Postfix) with ESMTPS id 90C4C600435 for ; Thu, 12 Oct 2023 11:45:19 +0200 (CEST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id E22DC1F74B; Thu, 12 Oct 2023 09:45:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1697103918; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=leDWbY4EaIUl/P62jFnjYdUqGR2zvvBMK07SnEhY6FY=; b=IC6YgUFCKy9HmkOxZYA6+fh22NYf3bISfKTN1hQ+6aK40aCAjVJ68nd5ogUhgr/aidJNfa 0xmSmsnT2tM7g8Mn0KCXqhMtQlTJ/62p/9HJJEFPDMDGRaXveBoPTFumHhas78UKnMi6To f1LPWnAgLgAMDiFXD5kJja+Ipev4WvE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1697103918; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=leDWbY4EaIUl/P62jFnjYdUqGR2zvvBMK07SnEhY6FY=; b=CoBTshpxkXbngrP0I1lAM7x2WXRja+UTwjy2AEVCvTVXIEu53PDJYmZLgM+XmdJ2n3nhxN FANteAm5ojbv2kDg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id CDA07139ED; Thu, 12 Oct 2023 09:45:18 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id OfgiMS7AJ2V9dwAAMHmgww (envelope-from ); Thu, 12 Oct 2023 09:45:18 +0000 Date: Thu, 12 Oct 2023 11:46:02 +0200 From: Cyril Hrubis To: Petr Vorel Message-ID: References: <20231012094254.611488-1-pvorel@suse.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20231012094254.611488-1-pvorel@suse.cz> X-Virus-Scanned: clamav-milter 1.0.1 at in-2.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH 1/1] README: Document gdb debugging X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Palethorpe , ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" On Thu, Oct 12, 2023 at 11:42:54AM +0200, Petr Vorel wrote: > From: Petr Vorel > > Suggested-by: Cyril Hrubis > Signed-off-by: Petr Vorel > --- > README.md | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/README.md b/README.md > index fa9559398..adeac5fdf 100644 > --- a/README.md > +++ b/README.md > @@ -215,6 +215,12 @@ SUSE also publishes a > [smaller LTP container](https://registry.opensuse.org/cgi-bin/cooverview?srch_term=project%3D%5Ebenchmark+container%3D.*) > that is not based on the Containerfile. > > +Debugging with gdb > +================== > + > +To get stack trace of a crashing test in gdb it's useful to > +[`set follow-fork-mode child`](https://ftp.gnu.org/old-gnu/Manuals/gdb/html_node/gdb_25.html). Maybe we should start with a sentence that actually describes how things are organized so that it's clear why this is needed. Maybe just: The new test library runs the actual test, i.e. the `test()` function in a forked process. To get the stack trace of a crashing test it's needed to [`set .... > Developers corner > ================= > > -- > 2.42.0 > -- Cyril Hrubis chrubis@suse.cz -- Mailing list info: https://lists.linux.it/listinfo/ltp