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| author |   Mathieu Poirier <mathieu.poirier@linaro.org> | 2019-04-25 13:53:01 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-25 22:00:17 +0200 |
| commit | a0f08a6a9fee0ce3f2d36e3e30799e4c1ec171f4 (patch) | |
| tree | 2857a8f2ca1f542ec1cc4b3453f9fb0a39025557 /include/linux/coresight.h | |
| parent | coresight: perf: Refactor function free_event_data() (diff) | |
| download | linux-dev-a0f08a6a9fee0ce3f2d36e3e30799e4c1ec171f4.tar.xz linux-dev-a0f08a6a9fee0ce3f2d36e3e30799e4c1ec171f4.zip | |
coresight: Communicate perf event to sink buffer allocation functions
Make struct perf_event available to sink buffer allocation functions in
order to use the pid they carry to allocate and free buffer memory along
with regimenting access to what source a sink can collect data for.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Tested-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Robert Walker <robert.walker@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/coresight.h')
| -rw-r--r-- | include/linux/coresight.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 189cc6ddc92b..62a520df8add 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -193,8 +193,9 @@ struct coresight_device { struct coresight_ops_sink { int (*enable)(struct coresight_device *csdev, u32 mode, void *data); int (*disable)(struct coresight_device *csdev); - void *(*alloc_buffer)(struct coresight_device *csdev, int cpu, - void **pages, int nr_pages, bool overwrite); + void *(*alloc_buffer)(struct coresight_device *csdev, + struct perf_event *event, void **pages, + int nr_pages, bool overwrite); void (*free_buffer)(void *config); unsigned long (*update_buffer)(struct coresight_device *csdev, struct perf_output_handle *handle, |