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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 574AEC04A95 for ; Wed, 28 Sep 2022 14:39:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234456AbiI1OjV (ORCPT ); Wed, 28 Sep 2022 10:39:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42716 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234444AbiI1OjM (ORCPT ); Wed, 28 Sep 2022 10:39:12 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E5A81AE9FF for ; Wed, 28 Sep 2022 07:39:09 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 988E5B820EB for ; Wed, 28 Sep 2022 14:39:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6CD12C433D6; Wed, 28 Sep 2022 14:39:06 +0000 (UTC) Date: Wed, 28 Sep 2022 10:40:17 -0400 From: Steven Rostedt To: Jeff Xie Cc: mingo@redhat.com, mhiramat@kernel.org, zanussi@kernel.org, linux-kernel@vger.kernel.org, chensong_2000@189.cn Subject: Re: [PATCH v15 2/4] trace/objtrace: Get the value of the object Message-ID: <20220928104017.73cbe8eb@gandalf.local.home> In-Reply-To: References: <20220819032706.695212-1-xiehuan09@gmail.com> <20220819032706.695212-3-xiehuan09@gmail.com> <20220924160136.5029e942@rorschach.local.home> <20220925115335.44b58732@rorschach.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 28 Sep 2022 22:15:24 +0800 Jeff Xie wrote: > > > > > This code is available in the kprobe code that eprobes also uses: > > > > > > > > > > See process_fetch_insn() in kernel/trace/trace_eprobe.c > > > > > > > > > > and the parsing of the string is in kernel/trace/trace_probe.c: > > > > > > > > > > parse_probe_arg() > > I guess I won't be able to finish it until the next merge window, I've > been trying it for a few days Yeah, the merge window is expected to open next week, so it likely will not be able to make that. But hopefully the next window it will! > In my spare time recently, with no progress, it looks like it's really > more complicated to implement ;-) Yeah, I was playing with it too. It is complicated, but I do not see any show stoppers from getting it working. -- Steve