diff options
author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2015-10-20 16:18:53 +0000 |
---|---|---|
committer | Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-06-20 11:09:44 -0600 |
commit | 2eb654b5c6ed9816af6cb8bc2eb2f29318387a95 (patch) | |
tree | bf23bf2d5b2a0e02b3b7cdf7c8de8ce30cd3b6c6 /tools/perf/arch/arm/util | |
parent | b90eb99a2c72a76c2334353638c212b7dd7d2bf1 (diff) |
perf tools: making coresight PMU listable
Adding the required mechanic allowing 'perf list pmu' to
discover coresight ETM/PTM tracers.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Diffstat (limited to 'tools/perf/arch/arm/util')
-rw-r--r-- | tools/perf/arch/arm/util/Build | 2 | ||||
-rw-r--r-- | tools/perf/arch/arm/util/pmu.c | 34 |
2 files changed, 36 insertions, 0 deletions
diff --git a/tools/perf/arch/arm/util/Build b/tools/perf/arch/arm/util/Build index d22e3d07de3d..66ab0b05549c 100644 --- a/tools/perf/arch/arm/util/Build +++ b/tools/perf/arch/arm/util/Build @@ -2,3 +2,5 @@ libperf-$(CONFIG_DWARF) += dwarf-regs.o libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o + +libperf-$(CONFIG_AUXTRACE) += pmu.o diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c new file mode 100644 index 000000000000..af9fb666b44f --- /dev/null +++ b/tools/perf/arch/arm/util/pmu.c @@ -0,0 +1,34 @@ +/* + * 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/>. + */ + +#include <string.h> +#include <linux/coresight-pmu.h> +#include <linux/perf_event.h> + +#include "../../util/pmu.h" + +struct perf_event_attr +*perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused) +{ +#ifdef HAVE_AUXTRACE_SUPPORT + if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) { + /* add ETM default config here */ + pmu->selectable = true; + } +#endif + return NULL; +} |