etm_perf_add_symlink_sink 62 drivers/hwtracing/coresight/coresight-etm-perf.h int etm_perf_add_symlink_sink(struct coresight_device *csdev); etm_perf_add_symlink_sink 1234 drivers/hwtracing/coresight/coresight.c ret = etm_perf_add_symlink_sink(csdev);