dev_attr_ctxid_pid 1246 drivers/hwtracing/coresight/coresight-etm3x-sysfs.c &dev_attr_ctxid_pid.attr, dev_attr_ctxid_pid 2052 drivers/hwtracing/coresight/coresight-etm4x-sysfs.c &dev_attr_ctxid_pid.attr,