blob: 0612f56309526f8ca9c1ce82b5c4596cc1ace655 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
#ifndef _IO_C_
#define _IO_C_
/* -*- linux-c -*- */
/** @file io.c
* @brief I/O functions
*/
/** @addtogroup io I/O
* I/O functions
* @{
*/
/** Logs Data.
* This function is compatible with printk. In fact it currently
* sends all output to vprintk, after sending "STP: ". This allows
* us to easily detect SystemTap output in the log file.
*
* @param fmt A variable number of args.
* @bug Lines are limited in length by printk buffer. If there is
* no newline in the format string, then other syslog output could
* get appended to the SystemTap line.
* @todo Either deprecate or redefine this as a way to log debug or
* status messages, separate from the normal program output.
*/
void dlog (const char *fmt, ...)
{
va_list args;
printk("STP: ");
va_start(args, fmt);
vprintk(fmt, args);
va_end(args);
}
/** Prints to the trace buffer.
* This function uses the same formatting as printk. It currently
* writes to the system log.
*
* @param fmt A variable number of args.
* @todo Needs replaced with something much faster that does not
* use the system log.
*/
void _stp_print (const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vprintk(fmt, args);
va_end(args);
}
/** Prints to the trace buffer.
* This function will write a string to the trace buffer. It currently
* writes to the system log.
*
* @param str String.
* @todo Needs replaced with something much faster that does not
* use the system log.
*/
void _stp_print_str (char *str)
{
printk ("%s", str);
}
/** @} */
#endif /* _IO_C_ */
|
