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