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