trace_output.h 1.22 KB
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __TRACE_EVENTS_H
#define __TRACE_EVENTS_H

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#include <linux/trace_seq.h>
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#include "trace.h"

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extern enum print_line_t
trace_print_bputs_msg_only(struct trace_iterator *iter);
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extern enum print_line_t
trace_print_bprintk_msg_only(struct trace_iterator *iter);
extern enum print_line_t
trace_print_printk_msg_only(struct trace_iterator *iter);

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extern int
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seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
		unsigned long sym_flags);

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extern int trace_print_context(struct trace_iterator *iter);
extern int trace_print_lat_context(struct trace_iterator *iter);
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extern void trace_event_read_lock(void);
extern void trace_event_read_unlock(void);
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extern struct trace_event *ftrace_find_event(int type);
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extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
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					 int flags, struct trace_event *event);
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extern int
trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
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/* used by module unregistering */
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extern int __unregister_trace_event(struct trace_event *event);
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extern struct rw_semaphore trace_event_sem;
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#define SEQ_PUT_FIELD(s, x)				\
	trace_seq_putmem(s, &(x), sizeof(x))

#define SEQ_PUT_HEX_FIELD(s, x)				\
	trace_seq_putmem_hex(s, &(x), sizeof(x))
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#endif