From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752909AbcKSEPr (ORCPT ); Fri, 18 Nov 2016 23:15:47 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41458 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752352AbcKSEPq (ORCPT ); Fri, 18 Nov 2016 23:15:46 -0500 From: Wei Huang To: kvmarm@lists.cs.columbia.edu Cc: linux-arm-kernel@lists.infradead.org, shannon.zhao@linaro.org, kvm@vger.kernel.org, marc.zyngier@arm.com, christoffer.dall@linaro.org, drjones@redhat.com, cov@codeaurora.org, will.deacon@arm.com, mark.rutland@arm.com, catalin.marinas@arm.com, linux-kernel@vger.kernel.org Subject: [kvm-unit-tests PATCH v9 0/3] ARM PMU tests Date: Fri, 18 Nov 2016 22:15:39 -0600 Message-Id: <1479528942-21866-1-git-send-email-wei@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Sat, 19 Nov 2016 04:15:45 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Changes from v8: * Probe PMU version based on ID_DFR0 * pmccntr_read() now returns 64bit and can handle both 32bit and 64bit PMCCNTR based on PMU version. * Add pmccntr_write() support * Use a common printf format PRId64 to support 64bit variable smoothly in test functions * Add barriers to several PMU write functions * Verfied on different execution modes Note: 1) Current KVM code has bugs in handling PMCCFILTR write. A fix (see below) is required for this unit testing code to work correctly under KVM mode. https://lists.cs.columbia.edu/pipermail/kvmarm/2016-November/022134.html. Thanks, -Wei Wei Huang (3): arm: Add PMU test arm: pmu: Check cycle count increases arm: pmu: Add CPI checking arm/Makefile.common | 3 +- arm/pmu.c | 339 ++++++++++++++++++++++++++++++++++++++++++++++++++++ arm/unittests.cfg | 19 +++ 3 files changed, 360 insertions(+), 1 deletion(-) create mode 100644 arm/pmu.c -- 1.8.3.1