f81c972d27
Both trace_output.c and trace_function_graph.c do basically the same thing to handle the printing of the latency-format. This patch moves the code into one function that both can use. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
#ifndef __TRACE_EVENTS_H
|
|
#define __TRACE_EVENTS_H
|
|
|
|
#include <linux/trace_seq.h>
|
|
#include "trace.h"
|
|
|
|
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);
|
|
|
|
extern int
|
|
seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
|
|
unsigned long sym_flags);
|
|
extern int seq_print_userip_objs(const struct userstack_entry *entry,
|
|
struct trace_seq *s, unsigned long sym_flags);
|
|
extern int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
|
|
unsigned long ip, unsigned long sym_flags);
|
|
|
|
extern int trace_print_context(struct trace_iterator *iter);
|
|
extern int trace_print_lat_context(struct trace_iterator *iter);
|
|
|
|
extern void trace_event_read_lock(void);
|
|
extern void trace_event_read_unlock(void);
|
|
extern struct trace_event *ftrace_find_event(int type);
|
|
|
|
extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
|
|
int flags);
|
|
extern int
|
|
trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
|
|
|
|
/* used by module unregistering */
|
|
extern int __unregister_ftrace_event(struct trace_event *event);
|
|
extern struct rw_semaphore trace_event_mutex;
|
|
|
|
#define MAX_MEMHEX_BYTES 8
|
|
#define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1)
|
|
|
|
#define SEQ_PUT_FIELD_RET(s, x) \
|
|
do { \
|
|
if (!trace_seq_putmem(s, &(x), sizeof(x))) \
|
|
return TRACE_TYPE_PARTIAL_LINE; \
|
|
} while (0)
|
|
|
|
#define SEQ_PUT_HEX_FIELD_RET(s, x) \
|
|
do { \
|
|
BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \
|
|
if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \
|
|
return TRACE_TYPE_PARTIAL_LINE; \
|
|
} while (0)
|
|
|
|
#endif
|
|
|