18 #ifndef _COBALT_UAPI_KERNEL_TRACE_H 19 #define _COBALT_UAPI_KERNEL_TRACE_H 21 #define __xntrace_op_max_begin 0 22 #define __xntrace_op_max_end 1 23 #define __xntrace_op_max_reset 2 24 #define __xntrace_op_user_start 3 25 #define __xntrace_op_user_stop 4 26 #define __xntrace_op_user_freeze 5 27 #define __xntrace_op_special 6 28 #define __xntrace_op_special_u64 7