diff options
| author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-09-16 18:50:00 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-09-22 18:19:40 +0300 |
| commit | a818c563ae16640e00389a39e7b0e7ae4bd3d64c (patch) | |
| tree | 8645703aa0b186ae968d457b88516681c1e2b80a /tools/perf/arch/arm/util/cs-etm.h | |
| parent | 7e21b0d579a481e2e7064c6383d5873d841777a8 (diff) | |
| download | linux-a818c563ae16640e00389a39e7b0e7ae4bd3d64c.tar.xz | |
perf tools: Add coresight etm PMU record capabilities
Coresight ETMs are IP blocks used to perform HW assisted tracing on a
CPU core. This patch introduce the required auxiliary API functions
allowing the perf core to interact with a tracer.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1474041004-13956-4-git-send-email-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/arch/arm/util/cs-etm.h')
| -rw-r--r-- | tools/perf/arch/arm/util/cs-etm.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/perf/arch/arm/util/cs-etm.h b/tools/perf/arch/arm/util/cs-etm.h new file mode 100644 index 000000000000..909f486d02d1 --- /dev/null +++ b/tools/perf/arch/arm/util/cs-etm.h @@ -0,0 +1,23 @@ +/* + * 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 INCLUDE__PERF_CS_ETM_H__ +#define INCLUDE__PERF_CS_ETM_H__ + +struct auxtrace_record *cs_etm_record_init(int *err); + +#endif |