From 0bcbf2e30ff2271b54f54c8697a185f7d86ec6e4 Mon Sep 17 00:00:00 2001 From: Mathieu Poirier Date: Wed, 17 Feb 2016 17:52:01 -0700 Subject: coresight: etm-perf: new PMU driver for ETM tracers Perf is a well known and used tool for performance monitoring and much more. A such it is an ideal candidate for integration with coresight based HW tracing. This patch introduces a PMU that represent a coresight tracer to the Perf core. Cc: Alexander Shishkin Signed-off-by: Mathieu Poirier Signed-off-by: Greg Kroah-Hartman --- include/linux/coresight-pmu.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 include/linux/coresight-pmu.h (limited to 'include/linux/coresight-pmu.h') diff --git a/include/linux/coresight-pmu.h b/include/linux/coresight-pmu.h new file mode 100644 index 000000000000..6c5386b23b10 --- /dev/null +++ b/include/linux/coresight-pmu.h @@ -0,0 +1,27 @@ +/* + * Copyright(C) 2015 Linaro Limited. All rights reserved. + * Author: Mathieu Poirier + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#ifndef _LINUX_CORESIGHT_PMU_H +#define _LINUX_CORESIGHT_PMU_H + +#define CORESIGHT_ETM_PMU_NAME "cs_etm" + +/* ETMv3.5/PTM's ETMCR config bit */ +#define ETM_OPT_CYCACC 12 +#define ETM_OPT_TS 28 + +#endif -- cgit v1.2.3