mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 11:44:01 +08:00
725c624a58
The code to update the print formats for events requires a vprintf format in the trace_seq. This patch adds that interface. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
#ifndef _LINUX_TRACE_SEQ_H
|
|
#define _LINUX_TRACE_SEQ_H
|
|
|
|
#include <linux/fs.h>
|
|
|
|
/*
|
|
* Trace sequences are used to allow a function to call several other functions
|
|
* to create a string of data to use (up to a max of PAGE_SIZE.
|
|
*/
|
|
|
|
struct trace_seq {
|
|
unsigned char buffer[PAGE_SIZE];
|
|
unsigned int len;
|
|
unsigned int readpos;
|
|
};
|
|
|
|
static inline void
|
|
trace_seq_init(struct trace_seq *s)
|
|
{
|
|
s->len = 0;
|
|
s->readpos = 0;
|
|
}
|
|
|
|
/*
|
|
* Currently only defined when tracing is enabled.
|
|
*/
|
|
#ifdef CONFIG_TRACING
|
|
extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
|
|
__attribute__ ((format (printf, 2, 3)));
|
|
extern int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args)
|
|
__attribute__ ((format (printf, 2, 0)));
|
|
extern int
|
|
trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary);
|
|
extern void trace_print_seq(struct seq_file *m, struct trace_seq *s);
|
|
extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
|
|
size_t cnt);
|
|
extern int trace_seq_puts(struct trace_seq *s, const char *str);
|
|
extern int trace_seq_putc(struct trace_seq *s, unsigned char c);
|
|
extern int trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len);
|
|
extern int trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
|
|
size_t len);
|
|
extern void *trace_seq_reserve(struct trace_seq *s, size_t len);
|
|
extern int trace_seq_path(struct trace_seq *s, struct path *path);
|
|
|
|
#else /* CONFIG_TRACING */
|
|
static inline int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int
|
|
trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void trace_print_seq(struct seq_file *m, struct trace_seq *s)
|
|
{
|
|
}
|
|
static inline ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
|
|
size_t cnt)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int trace_seq_puts(struct trace_seq *s, const char *str)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int trace_seq_putc(struct trace_seq *s, unsigned char c)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int
|
|
trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
|
|
size_t len)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline void *trace_seq_reserve(struct trace_seq *s, size_t len)
|
|
{
|
|
return NULL;
|
|
}
|
|
static inline int trace_seq_path(struct trace_seq *s, struct path *path)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_TRACING */
|
|
|
|
#endif /* _LINUX_TRACE_SEQ_H */
|