diff options
| author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-02-17 17:52:01 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-20 14:11:01 -0800 |
| commit | 0bcbf2e30ff2271b54f54c8697a185f7d86ec6e4 (patch) | |
| tree | 59ba04e18f5b0fb65213494800a6b591513767be /include/linux/coresight-pmu.h | |
| parent | 2997aa4063d97fdb39450c6078bd81a7b0504f22 (diff) | |
| download | blackbird-obmc-linux-0bcbf2e30ff2271b54f54c8697a185f7d86ec6e4.tar.gz blackbird-obmc-linux-0bcbf2e30ff2271b54f54c8697a185f7d86ec6e4.zip | |
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 <alexander.shishkin@linux.intel.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/coresight-pmu.h')
| -rw-r--r-- | include/linux/coresight-pmu.h | 27 |
1 files changed, 27 insertions, 0 deletions
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 <mathieu.poirier@linaro.org> + * + * 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 <http://www.gnu.org/licenses/>. + */ + +#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 |
