|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | #undef TRACE_SYSTEM | 
|  | #define TRACE_SYSTEM printk | 
|  |  | 
|  | #if !defined(_TRACE_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ) | 
|  | #define _TRACE_PRINTK_H | 
|  |  | 
|  | #include <linux/tracepoint.h> | 
|  |  | 
|  | TRACE_EVENT(console, | 
|  | TP_PROTO(const char *text, size_t len), | 
|  |  | 
|  | TP_ARGS(text, len), | 
|  |  | 
|  | TP_STRUCT__entry( | 
|  | __dynamic_array(char, msg, len + 1) | 
|  | ), | 
|  |  | 
|  | TP_fast_assign( | 
|  | /* | 
|  | * Each trace entry is printed in a new line. | 
|  | * If the msg finishes with '\n', cut it off | 
|  | * to avoid blank lines in the trace. | 
|  | */ | 
|  | if ((len > 0) && (text[len-1] == '\n')) | 
|  | len -= 1; | 
|  |  | 
|  | memcpy(__get_str(msg), text, len); | 
|  | __get_str(msg)[len] = 0; | 
|  | ), | 
|  |  | 
|  | TP_printk("%s", __get_str(msg)) | 
|  | ); | 
|  | #endif /* _TRACE_PRINTK_H */ | 
|  |  | 
|  | /* This part must be outside protection */ | 
|  | #include <trace/define_trace.h> |