rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM printk |
| 4 | |
| 5 | #if !defined(_TRACE_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define _TRACE_PRINTK_H |
| 7 | |
| 8 | #include <linux/tracepoint.h> |
| 9 | |
| 10 | TRACE_EVENT(console, |
| 11 | TP_PROTO(const char *text, size_t len), |
| 12 | |
| 13 | TP_ARGS(text, len), |
| 14 | |
| 15 | TP_STRUCT__entry( |
| 16 | __dynamic_array(char, msg, len + 1) |
| 17 | ), |
| 18 | |
| 19 | TP_fast_assign( |
| 20 | /* |
| 21 | * Each trace entry is printed in a new line. |
| 22 | * If the msg finishes with '\n', cut it off |
| 23 | * to avoid blank lines in the trace. |
| 24 | */ |
| 25 | if ((len > 0) && (text[len-1] == '\n')) |
| 26 | len -= 1; |
| 27 | |
| 28 | memcpy(__get_str(msg), text, len); |
| 29 | __get_str(msg)[len] = 0; |
| 30 | ), |
| 31 | |
| 32 | TP_printk("%s", __get_str(msg)) |
| 33 | ); |
| 34 | #endif /* _TRACE_PRINTK_H */ |
| 35 | |
| 36 | /* This part must be outside protection */ |
| 37 | #include <trace/define_trace.h> |