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[2620:137:e000::1:20]) by mx.google.com with ESMTP id qb20-20020a1709077e9400b00730936657d1si16686964ejc.552.2022.10.12.01.16.27; Wed, 12 Oct 2022 01:16:52 -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; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=s9rPBA1a; 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 S229680AbiJLIFZ (ORCPT + 99 others); Wed, 12 Oct 2022 04:05:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57418 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229501AbiJLIFW (ORCPT ); Wed, 12 Oct 2022 04:05:22 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76D5D2ED71 for ; Wed, 12 Oct 2022 01:05:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.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=bEh9Pd3MDqJD5jn5B5Zhbaid1G7o0Yr+8S2seXposuc=; b=s9rPBA1a2K7sWWHVDxAQwEP/Ac IQgkPc4YhYsj0fpPws3vjaBWZJp6YfUG/cvcMqRjYPxdbnyH78jgkHkd/p/dD+k0aatEJnWHa11Dy 7qyfikDnz7Zaf3pLJeTXCdl99Gx3m3PtJZx6KHvk7+7r5uj2qifaWHCWdN+sZ08coYXV3eDgtg3z5 66pnM+NimshZkVI0jaiGdaMjmCrTnHCijvxjAB8APV4y/WPG5fleDMwWtejlL1RQ+erc3/JETn0IW UlFD+97bKSAUNleaFEXjpTk64l+7Q1erwCjPkC1a7HQEdRG6TyjpAoPFkN/gG7gR2L2wCEBZxdB2q IvnOzd5Q==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiWjc-005fHu-8O; Wed, 12 Oct 2022 08:05:00 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 8CFC030008D; Wed, 12 Oct 2022 10:04:54 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 62A2320E1D7DB; Wed, 12 Oct 2022 10:04:54 +0200 (CEST) Date: Wed, 12 Oct 2022 10:04:54 +0200 From: Peter Zijlstra To: Namhyung Kim Cc: Kan Liang , Arnaldo Carvalho de Melo , Ingo Molnar , Stephane Eranian , Michael Ellerman , linux-kernel , Andi Kleen , andreas.kogler.0x@gmail.com, Athira Rajeev , Ravi Bangoria Subject: Re: [PATCH V2 2/6] perf/x86/intel/pebs: Fix PEBS timestamps overwritten Message-ID: References: <20220901130959.1285717-1-kan.liang@linux.intel.com> <20220901130959.1285717-3-kan.liang@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE 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 Tue, Oct 11, 2022 at 11:20:54AM -0700, Namhyung Kim wrote: > One thing I noticed is that the system has a config option > CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y. You can't build x86 without that.