From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752301AbaHLF7t (ORCPT ); Tue, 12 Aug 2014 01:59:49 -0400 Received: from mail-we0-f172.google.com ([74.125.82.172]:52168 "EHLO mail-we0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751422AbaHLF7s (ORCPT ); Tue, 12 Aug 2014 01:59:48 -0400 Date: Tue, 12 Aug 2014 08:00:31 +0200 From: Stephane Eranian To: linux-kernel@vger.kernel.org Cc: peterz@infradead.org, mingo@elte.hu, ak@linux.intel.com, zheng.z.yan@intel.com Subject: [PATCH] perf/x86/uncore: export basic memory events for IVT IMC PMU Message-ID: <20140812060031.GA25239@quad> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch exposes two basic events for Ivytown IMC uncore PMU: - cas_count_read: number of full-cache line reads to memory controller - cas_count_write: number of full-cache line writes to memory controller Those events use the same encoding as for SNB-EP, so reuse the same event table. See specification in: http://www.intel.com/content/dam/www/public/us/en/documents/manuals/xeon-e5-2600-v2-uncore-manual.pdf By aggregating all the read and write events from all the memory controllers of each processor socket, one can determine the total memory bandwidth utilization. Signed-off-by: Stephane Eranian --- arch/x86/kernel/cpu/perf_event_intel_uncore.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c index cfc6f9d..800e087 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c @@ -1391,6 +1391,7 @@ static struct intel_uncore_type ivt_uncore_imc = { .fixed_ctr_bits = 48, .fixed_ctr = SNBEP_MC_CHy_PCI_PMON_FIXED_CTR, .fixed_ctl = SNBEP_MC_CHy_PCI_PMON_FIXED_CTL, + .event_descs = snbep_uncore_imc_events, IVT_UNCORE_PCI_COMMON_INIT(), }; -- 1.7.9.5