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5ef841f6f3
This patch makes print_printk_msg_only and print_bprintk_msg_only global for other functions to use. It also renames them by adding a "trace_" to the beginning to avoid namespace collisions. Signed-off-by: Steven Rostedt <srostedt@redhat.com>
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
#ifndef __TRACE_EVENTS_H
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#define __TRACE_EVENTS_H
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#include "trace.h"
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typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter,
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int flags);
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struct trace_event {
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struct hlist_node node;
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int type;
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trace_print_func trace;
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trace_print_func raw;
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trace_print_func hex;
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trace_print_func binary;
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};
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extern enum print_line_t
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trace_print_bprintk_msg_only(struct trace_iterator *iter);
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extern enum print_line_t
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trace_print_printk_msg_only(struct trace_iterator *iter);
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extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
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__attribute__ ((format (printf, 2, 3)));
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extern int
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trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary);
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extern int
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seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
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unsigned long sym_flags);
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extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
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size_t cnt);
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int trace_seq_puts(struct trace_seq *s, const char *str);
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int trace_seq_putc(struct trace_seq *s, unsigned char c);
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int trace_seq_putmem(struct trace_seq *s, void *mem, size_t len);
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int trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len);
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int trace_seq_path(struct trace_seq *s, struct path *path);
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int seq_print_userip_objs(const struct userstack_entry *entry,
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struct trace_seq *s, unsigned long sym_flags);
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int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
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unsigned long ip, unsigned long sym_flags);
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int trace_print_context(struct trace_iterator *iter);
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int trace_print_lat_context(struct trace_iterator *iter);
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struct trace_event *ftrace_find_event(int type);
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int register_ftrace_event(struct trace_event *event);
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int unregister_ftrace_event(struct trace_event *event);
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enum print_line_t trace_nop_print(struct trace_iterator *iter, int flags);
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#define MAX_MEMHEX_BYTES 8
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#define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1)
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#define SEQ_PUT_FIELD_RET(s, x) \
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do { \
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if (!trace_seq_putmem(s, &(x), sizeof(x))) \
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return TRACE_TYPE_PARTIAL_LINE; \
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} while (0)
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#define SEQ_PUT_HEX_FIELD_RET(s, x) \
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do { \
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BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \
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if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \
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return TRACE_TYPE_PARTIAL_LINE; \
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} while (0)
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#endif
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