Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760481Ab2JaAi3 (ORCPT ); Tue, 30 Oct 2012 20:38:29 -0400 Received: from mga02.intel.com ([134.134.136.20]:31172 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759198Ab2JaAeh (ORCPT ); Tue, 30 Oct 2012 20:34:37 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,683,1344236400"; d="scan'208";a="213257360" From: Andi Kleen To: linux-kernel@vger.kernel.org Cc: acme@redhat.com, peterz@infradead.org, jolsa@redhat.com, eranian@google.com, mingo@kernel.org, namhyung@kernel.org, Andi Kleen Subject: [PATCH 20/32] perf, x86: Add Haswell specific transaction flag reporting Date: Tue, 30 Oct 2012 17:34:11 -0700 Message-Id: <1351643663-23828-21-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <1351643663-23828-1-git-send-email-andi@firstfloor.org> References: <1351643663-23828-1-git-send-email-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1461 Lines: 40 From: Andi Kleen In the PEBS handler report the transaction flags using the new generic transaction flags facility. Most of them come from the "tsx_tuning" field in PEBSv2, but the abort code is derived from the RAX register reported in the PEBS record. Signed-off-by: Andi Kleen --- arch/x86/kernel/cpu/perf_event_intel_ds.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c index 3094caa..4b657c2 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_ds.c +++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c @@ -677,6 +677,15 @@ static void __intel_pmu_pebs_event(struct perf_event *event, data.weight = ((struct pebs_record_v2 *)pebs)->nhm.lat; } + if ((event->attr.sample_type & PERF_SAMPLE_TRANSACTION) && + x86_pmu.intel_cap.pebs_format >= 2) { + data.transaction = + ((struct pebs_record_v2 *)pebs)->tsx_tuning >> 32; + if ((data.transaction & PERF_SAMPLE_TXN_TRANSACTION) && + (pebs->ax & 1)) + data.transaction |= pebs->ax & 0xff000000; + } + if (has_branch_stack(event)) data.br_stack = &cpuc->lbr_stack; -- 1.7.7.6 -- 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/