dd;[unknown];[dd] 10101010
dd;[unknown];read 10101010
dd;[unknown];read;system_call;__fdget_pos 10101010
dd;[unknown];read;system_call;sys_read;vfs_read;fsnotify 10101010
dd;[unknown];write;system_call;sys_write 10101010
dd;[unknown];write;system_call;sys_write;vfs_write;fsnotify;__srcu_read_unlock 20202020
dd;[unknown];write;system_call;sys_write;vfs_write;rw_verify_area 10101010
dd;write;system_call;sys_write;__fdget_pos;__fdget;__fget_light 10101010
dd;write;system_call;sys_write;vfs_write;fsnotify;__srcu_read_unlock 10101010