Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753295AbbGQUJD (ORCPT ); Fri, 17 Jul 2015 16:09:03 -0400 Received: from mga14.intel.com ([192.55.52.115]:63749 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752156AbbGQUJC (ORCPT ); Fri, 17 Jul 2015 16:09:02 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,497,1432623600"; d="scan'208";a="526116316" Date: Fri, 17 Jul 2015 13:09:00 -0700 From: Andi Kleen To: Stephane Eranian Cc: Andi Kleen , Peter Zijlstra , LKML Subject: Re: [PATCH 3/3] x86, perf: Add PEBS frontend profiling for Skylake Message-ID: <20150717200900.GE7380@tassilo.jf.intel.com> References: <1435612935-24425-1-git-send-email-andi@firstfloor.org> <1435612935-24425-3-git-send-email-andi@firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 559 Lines: 16 > I believe this mask of 0x3fff17 is wrong and should instead be > 0x7fffff based on the description of the FRONTEND > MSR I see in the SDM Table 18-54 (bit 0-22 are valid). Otherwise, some > valid latency values may be rejected. No, my mask is correct. -Andi -- ak@linux.intel.com -- Speaking for myself only -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/