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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED 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 E4316C28CF6 for ; Thu, 2 Aug 2018 01:02:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 861B920862 for ; Thu, 2 Aug 2018 01:02:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="Mu76JVPT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 861B920862 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732336AbeHBCvP (ORCPT ); Wed, 1 Aug 2018 22:51:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:48220 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729888AbeHBCvP (ORCPT ); Wed, 1 Aug 2018 22:51:15 -0400 Received: from devbox (NE2965lan1.rev.em-net.ne.jp [210.141.244.193]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 56DD720862; Thu, 2 Aug 2018 01:02:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1533171763; bh=YCz8h15hG/NNhJPp4Q4f7/XSkFqGrRwIhiDXft1zxWQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Mu76JVPTW1Zq2OfY0xOPNpCc8wRm/DIF5RK2GuC7aar+/1EweByso6LAMyhaf3i/A dN/3uIYXuvIXMBBX5T7B8o13tDhQHH7BJgeseJWvka7iFCqyW0DwC1zsVmvuwQ/5pq +IJAujuMDJ4l81bJpbM5mPcGlFzqGrf3jIxalLrw= Date: Thu, 2 Aug 2018 10:02:40 +0900 From: Masami Hiramatsu To: Masami Hiramatsu Cc: Shuah Khan , Steven Rostedt , Ingo Molnar , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 11/25] selftests/ftrace: Improve kprobe on module testcase to load/unload module Message-Id: <20180802100240.a27b72abe375c5817d970a0c@kernel.org> In-Reply-To: <153269370853.3084.10985190108092225790.stgit@devbox> References: <153269339575.3084.16279591141931053689.stgit@devbox> <153269370853.3084.10985190108092225790.stgit@devbox> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 27 Jul 2018 21:15:08 +0900 Masami Hiramatsu wrote: > --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc > +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc > @@ -4,11 +4,18 @@ > > [ -f kprobe_events ] || exit_unsupported # this is configurable > > +rmmod trace-printk ||: > +if ! modprobe trace-printk.ko ; then > + echo "No trace-printk sample module - please make CONFIG_SAMPLE_TRACE_PRINTK= > +m" > + exit_unresolved; > +fi > + > +MOD=trace_printk > +FUNC=trace_printk_irq_work Hmm, this caused a problem with CONFIG_KPROBE_EVENTS_ON_NOTRACE=n. However, as far as I can see, the trace_printk_irq_work() is not marked as notrace... Anyway, I'll find another better module to test. Thanks, -- Masami Hiramatsu From mboxrd@z Thu Jan 1 00:00:00 1970 From: mhiramat at kernel.org (Masami Hiramatsu) Date: Thu, 2 Aug 2018 10:02:40 +0900 Subject: [PATCH 11/25] selftests/ftrace: Improve kprobe on module testcase to load/unload module In-Reply-To: <153269370853.3084.10985190108092225790.stgit@devbox> References: <153269339575.3084.16279591141931053689.stgit@devbox> <153269370853.3084.10985190108092225790.stgit@devbox> Message-ID: <20180802100240.a27b72abe375c5817d970a0c@kernel.org> On Fri, 27 Jul 2018 21:15:08 +0900 Masami Hiramatsu wrote: > --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc > +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc > @@ -4,11 +4,18 @@ > > [ -f kprobe_events ] || exit_unsupported # this is configurable > > +rmmod trace-printk ||: > +if ! modprobe trace-printk.ko ; then > + echo "No trace-printk sample module - please make CONFIG_SAMPLE_TRACE_PRINTK= > +m" > + exit_unresolved; > +fi > + > +MOD=trace_printk > +FUNC=trace_printk_irq_work Hmm, this caused a problem with CONFIG_KPROBE_EVENTS_ON_NOTRACE=n. However, as far as I can see, the trace_printk_irq_work() is not marked as notrace... Anyway, I'll find another better module to test. Thanks, -- Masami Hiramatsu -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: mhiramat@kernel.org (Masami Hiramatsu) Date: Thu, 2 Aug 2018 10:02:40 +0900 Subject: [PATCH 11/25] selftests/ftrace: Improve kprobe on module testcase to load/unload module In-Reply-To: <153269370853.3084.10985190108092225790.stgit@devbox> References: <153269339575.3084.16279591141931053689.stgit@devbox> <153269370853.3084.10985190108092225790.stgit@devbox> Message-ID: <20180802100240.a27b72abe375c5817d970a0c@kernel.org> Content-Type: text/plain; charset="UTF-8" Message-ID: <20180802010240.gqvP8-u1mtTToGNWNc1ks8_GI6gILNW37xvs-6DHi-M@z> On Fri, 27 Jul 2018 21:15:08 +0900 Masami Hiramatsu wrote: > --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc > +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc > @@ -4,11 +4,18 @@ > > [ -f kprobe_events ] || exit_unsupported # this is configurable > > +rmmod trace-printk ||: > +if ! modprobe trace-printk.ko ; then > + echo "No trace-printk sample module - please make CONFIG_SAMPLE_TRACE_PRINTK= > +m" > + exit_unresolved; > +fi > + > +MOD=trace_printk > +FUNC=trace_printk_irq_work Hmm, this caused a problem with CONFIG_KPROBE_EVENTS_ON_NOTRACE=n. However, as far as I can see, the trace_printk_irq_work() is not marked as notrace... Anyway, I'll find another better module to test. Thanks, -- Masami Hiramatsu -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html