blob: 0ece000fc86e53282905b110f420cdf1fe68ed52 (
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
|
.\" -*- nroff -*-
.TH STAPVARS 3stap @DATE@ "Red Hat"
.SH NAME
stapvars \- systemtap variables
.SH DESCRIPTION
The following sections enumerate the public variables provided by
standard tapsets installed under @prefix@/share/systemtap/tapset. Each
variable is described with a type, and its behavior/restrictions.
The syntax is the same as printed with the
.IR stap " option " \-p2 .
Examples:
.TP
example1:long
Variable "example1" contains an integer.
.TP
example2:string [long]
Variable "example2" is an array of strings, indexed by integers.
.SS ARGV
.TP
argc:long
Contains the value of the
.BR
$#
value: the number of command line arguments passed to the systemtap script.
It is initialized with an implicit begin(-1) probe.
.TP
argv:string [long]
Contains each command line argument as a string. argv[1] will equal @1 if
there was at least one command line argument. Arguments beyond #32 are not
transcribed, and produce a warning message within the begin(-1) probe that
initializes this array.
.SS NULL
.TP
NULL:long
Simply defined as the number 0.
.SH FILES
.nh
.IR @prefix@/share/systemtap/tapset
.hy
.SH SEE ALSO
.IR stap (1)
|
