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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 D1423C43461 for ; Fri, 28 Aug 2020 19:03:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B516720776 for ; Fri, 28 Aug 2020 19:03:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="JXjXh/j7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728115AbgH1TDO (ORCPT ); Fri, 28 Aug 2020 15:03:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726010AbgH1TDN (ORCPT ); Fri, 28 Aug 2020 15:03:13 -0400 Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A336BC061264; Fri, 28 Aug 2020 12:03:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=78NCZFUBGKKYCpzTi7cqwpzpPqm0sGVhrlGpxwxSMsw=; b=JXjXh/j7C9T4NMLIkSb8dTRg2S mEAq23rpza3JWhOYcxfiEcnLMM9L3HxSBuQsWyhm7+wFWfyCm69rcVLkYcZLl7MRFZYZ9fUpDYvYq O8FR9iElo/UiNoV8qsi2j9feJbituEkvTRsfsl0RD+JeHpzPedHY+toiUsfJhBYitutN0n3s5i4lV d8nQQqpRhlwR+hizKvL9g/N59xA1VXFuNWoehpodBIs3sQOnnMvWLYzmFNIUk9VafyH+p+n4XKS+I +YkAbdPhfRJImz/VXnOXvpC10wawkLveNhM4AJGUmDxn5XCIIYsrpS53YiOASmSfOLhifikrY7vKd 6cWw+Fmg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kBjeE-0005IR-Lq; Fri, 28 Aug 2020 19:02:50 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id A131030015A; Fri, 28 Aug 2020 21:02:45 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 5A91220D27A76; Fri, 28 Aug 2020 21:02:45 +0200 (CEST) Date: Fri, 28 Aug 2020 21:02:45 +0200 From: peterz@infradead.org To: Masami Hiramatsu Cc: linux-kernel@vger.kernel.org, Eddy_Wu@trendmicro.com, x86@kernel.org, davem@davemloft.net, rostedt@goodmis.org, naveen.n.rao@linux.ibm.com, anil.s.keshavamurthy@intel.com, linux-arch@vger.kernel.org, cameron@moodycamel.com, oleg@redhat.com, will@kernel.org, paulmck@kernel.org Subject: Re: [PATCH v4 19/23] kprobes: Remove kretprobe hash Message-ID: <20200828190245.GH1362448@hirez.programming.kicks-ass.net> References: <159861759775.992023.12553306821235086809.stgit@devnote2> <159861780638.992023.16486601398173945135.stgit@devnote2> <20200829033726.68547b37624d3510ebc33ab1@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200829033726.68547b37624d3510ebc33ab1@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 29, 2020 at 03:37:26AM +0900, Masami Hiramatsu wrote: > cd /sys/kernel/debug/tracing/ > > echo r:schedule schedule >> kprobe_events > echo 1 > events/kprobes/enable > > sleep 333 Thanks! that does indeed trigger it reliably. Let me go have dinner and then I'll try and figure out where it goes side-ways.