Received: by 2002:a05:6359:c8b:b0:c7:702f:21d4 with SMTP id go11csp728106rwb; Wed, 28 Sep 2022 08:22:27 -0700 (PDT) X-Google-Smtp-Source: AMsMyM4wZuisJ32IDoIeIvn6qxkVFlxoGYZTjgK6qjJ0Lb8WVuFKFERCrrmBQFxSwOuy1KjWLX5m X-Received: by 2002:a17:902:7897:b0:178:9292:57b9 with SMTP id q23-20020a170902789700b00178929257b9mr356214pll.102.1664378546970; Wed, 28 Sep 2022 08:22:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664378546; cv=none; d=google.com; s=arc-20160816; b=bqA+4i7dRkT5Obik8Y07v1p2A0PtV3/50ivEvrePtHGbI49RNVx9/ehfru5jB7x6q6 rDCmJyLtb1923odVYkGAKbQV7iDa7RYltAYfDBrIr85KpiKOmV5pLJmWeeki6L0yyMh5 hGsnU1qu47BGKD4zupyLmrjFSWv4+CxPlu5mGa5zvLc9nnPL+RAE7bGZmm1aoXae7nSM tIosOrvmfwWK1KOHvjCveD1i/jOmkMVybRojELrOZ8kZqHmRC3FOoQvaAJOy6S8pxurW BVEOW3YSYDnc60VpDm3w5US4ARkZYq3EdwB2y2+KiRWYA87KQg1EbI8jkAnUUO9KwG3W SlbA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=biTF8GEgpDyBKs8ZsKQLUz15yOEFg8RTfcApITH9uTA=; b=keI4wiyb6OzihRu8z2P1M3UJGsfnLYLPTEOIXQVnkqkwUgv4MeaKDs0hORuFbq89EO /ts5Pnwls/15dqLegn2kXbF6lipwwNHsjz97iF5SNMMOvsYF668kzwFr3m+jdLiS54yq Rx7cF9FlkcukAM+abA3ccS+Xf14j7f/hc7WSCz7EoGTTaZ5vRFfI7ArqSX7pvGtFOwxJ zllFzU6NwP9n6MnsWEG340wuRlWM7K3eTlfZHmqyQezb6O/ChfOC/jwnfnTiTq3JLb/x MDMBH70hqoWJ4mIDqi/cQd39uuZD1rmrC77JH8ZjYy6METuRFLfNVv91E7MXgPH6P+n1 Me+A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id 44-20020a17090a0faf00b001fac102fdeesi2222308pjz.95.2022.09.28.08.22.15; Wed, 28 Sep 2022 08:22:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234443AbiI1OjU (ORCPT + 99 others); Wed, 28 Sep 2022 10:39:20 -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 X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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