diff options
Diffstat (limited to 'kernel/trace/trace_output.h')
| -rw-r--r-- | kernel/trace/trace_output.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/kernel/trace/trace_output.h b/kernel/trace/trace_output.h new file mode 100644 index 000000000..2f742b74e --- /dev/null +++ b/kernel/trace/trace_output.h @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0 +#ifndef __TRACE_EVENTS_H +#define __TRACE_EVENTS_H + +#include <linux/trace_seq.h> +#include "trace.h" + +extern enum print_line_t +trace_print_bputs_msg_only(struct trace_iterator *iter); +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 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, struct trace_event *event); +extern int +trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry); + +/* used by module unregistering */ +extern int __unregister_trace_event(struct trace_event *event); +extern struct rw_semaphore trace_event_sem; + +#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)) + +#endif + |