(!event)return false;const device=event[1];const inode=parseInt(event[2]);const pos=parseInt(event[3]);const len=parseInt(event[4]);const key=device+'-'+inode+'-'+pos+'-'+len;this.openAsyncSlice(ts,'ext4',eventBase.threadName,eventBase.pid,key,'ext4_write');return true;},ext4WriteEndEvent(eventName,cpuNumber,pid,ts,eventBase){const event=/dev (\d+,\d+) ino (\d+) pos (\d+) len (\d+) copied (\d+)/.exec(eventBase.details);if(!event)return false;const device=event[1];const inode=parseInt(event[2]);const...