summaryrefslogtreecommitdiff
path: root/drivers/hwtracing/coresight/coresight-etm-perf.h
diff options
context:
space:
mode:
authorMathieu Poirier <mathieu.poirier@linaro.org>2019-02-05 16:24:57 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-02-08 12:27:36 +0100
commit988036f9d322cbd787d8f6a776dbe903d05bae22 (patch)
treee0c910f34df8591114b5a5d6dc31d2a270ef36d0 /drivers/hwtracing/coresight/coresight-etm-perf.h
parente11a5795cb7cd1e25bbd1697baa109943938c0f6 (diff)
coresight: perf: Add "sinks" group to PMU directory
Add a "sinks" directory entry so that users can see all the sinks available in the system in a single place. Individual sink are added as they are registered with the coresight bus. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm-perf.h')
-rw-r--r--drivers/hwtracing/coresight/coresight-etm-perf.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.h b/drivers/hwtracing/coresight/coresight-etm-perf.h
index da7d9336a15c..015213abe00a 100644
--- a/drivers/hwtracing/coresight/coresight-etm-perf.h
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.h
@@ -59,6 +59,8 @@ struct etm_event_data {
#ifdef CONFIG_CORESIGHT
int etm_perf_symlink(struct coresight_device *csdev, bool link);
+int etm_perf_add_symlink_sink(struct coresight_device *csdev);
+void etm_perf_del_symlink_sink(struct coresight_device *csdev);
static inline void *etm_perf_sink_config(struct perf_output_handle *handle)
{
struct etm_event_data *data = perf_get_aux(handle);
@@ -70,7 +72,9 @@ static inline void *etm_perf_sink_config(struct perf_output_handle *handle)
#else
static inline int etm_perf_symlink(struct coresight_device *csdev, bool link)
{ return -EINVAL; }
-
+int etm_perf_add_symlink_sink(struct coresight_device *csdev)
+{ return -EINVAL; }
+void etm_perf_del_symlink_sink(struct coresight_device *csdev) {}
static inline void *etm_perf_sink_config(struct perf_output_handle *handle)
{
return NULL;