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 X-Spam-Level: X-Spam-Status: No, score=-4.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DA4BC43387 for ; Fri, 4 Jan 2019 14:13:40 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5CADF208E3 for ; Fri, 4 Jan 2019 14:13:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="aCzxl60k" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5CADF208E3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=t7GnHbmIwMwLgg206kKVs925iR55Sg7BNucQIeEotR4=; b=aCzxl60kyxGk2z gA/GZu+Rh9jfUymHlY2GkyT5Rv4S3QGZVD24Mb+Er2Qh2tkNK2n2vVdGi7khtvP1Miu8hZJy2DVfO yR34XrJQOVPd4aezHTzm7qZIDpgCFX+z22d8Su5P+p8iTiADQg7+Yk364G+k4loegnN3eNFw2gMux xcld7h3J5GLnhsO63xy/LCnpgAGFX+/o2LjqxIaoJIT5FV3jFit1va0ViuaXvjigcz+zR471LProF fpTXWTSzc89ABKZDQmjsl3GXbIzvX8nWEMKyJfO7zrlKqsnoTxpF6+fxNUuUuF94rhF84qP2LBGrS Vyq2C5UoaDEEuKUgUVdw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gfQED-0007Cd-Um; Fri, 04 Jan 2019 14:13:37 +0000 Received: from verein.lst.de ([213.95.11.211] helo=newverein.lst.de) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gfQEB-0007CG-FB for linux-arm-kernel@lists.infradead.org; Fri, 04 Jan 2019 14:13:36 +0000 Received: by newverein.lst.de (Postfix, from userid 2005) id 0917068D93; Fri, 4 Jan 2019 15:13:34 +0100 (CET) Date: Fri, 4 Jan 2019 15:13:34 +0100 From: Torsten Duwe To: Amit Daniel Kachhap Subject: Re: [PATCH v5] arm64: implement ftrace with regs Message-ID: <20190104141333.GA21411@lst.de> References: <20181130162015.83FE767357@newverein.lst.de> <20181214094714.GA30043@lst.de> <20181215134144.6b0cc45b@blackhole.lan> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190104_061335_656882_7A80BF64 X-CRM114-Status: UNSURE ( 7.78 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arnd Bergmann , julien.thierry@arm.com, Catalin Marinas , Ard Biesheuvel , Will Deacon , linux-kernel@vger.kernel.org, rostedt@goodmis.org, takahiro.akashi@linaro.org, mingo@redhat.com, jpoimboe@redhat.com, live-patching@vger.kernel.org, LAK Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Dec 17, 2018 at 09:52:04AM +0530, Amit Daniel Kachhap wrote: > There is no error message or crash but no useful output like below, > > /sys/kernel/tracing # echo wake_up_process > set_graph_function > /sys/kernel/tracing # echo function_graph > current_tracer > /sys/kernel/tracing # cat trace > # tracer: function_graph > # > # CPU DURATION FUNCTION CALLS > # | | | | | | | It turned out the graph caller works perfectly, I only broke the filtering. Fixed now in v6; thanks a lot for testing! Torsten _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel