packet { ftrace_events { cpu: 0 event { timestamp: 10000 pid: 200 ufshcd_command { dev_name: "cat" doorbell: 0x200 opcode: 40 tag: 1 group_id: 0 str_t: 0 } } } } packet { ftrace_events { cpu: 1 event { timestamp: 10008 pid: 300 ufshcd_command { dev_name: "cat" doorbell: 0x240 opcode: 40 tag: 2 group_id: 0 str_t: 0 } } } } packet { ftrace_events { cpu: 2 event { timestamp: 10010 pid: 400 ufshcd_command { dev_name: "dd" doorbell: 0x111 opcode: 40 tag: 3 group_id: 0 str_t: 0 } } } } packet { ftrace_events { cpu: 1 event { timestamp: 10011 pid: 500 ufshcd_command { dev_name: "dd" doorbell: 0x400 opcode: 40 tag: 4 group_id: 0 str_t: 0 } } } }