tapset::context(3stap)

1TAPSET::CONTEXT(3stap)                                  TAPSET::CONTEXT(3stap)
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NAME

6       tapset::context - systemtap context tapset
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DESCRIPTION

10        Context  functions provide additional information about where an event
11       occurred. These functions can provide information such as  a  backtrace
12       to  where  the  event  occurred and the current register values for the
13       processor.
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16
17       print_regs
18              Print a register dump
19
20              See function::print_regs(3stap)
21               for details.
22
23       pp     Returns the active probe point
24
25              See function::pp(3stap)
26               for details.
27
28       ppfunc Returns the function name parsed from pp()
29
30              See function::ppfunc(3stap)
31               for details.
32
33       probe_type
34              The low level probe handler type of the current probe.
35
36              See function::probe_type(3stap)
37               for details.
38
39       execname
40              Returns the execname of a target process (or group of processes)
41
42              See function::execname(3stap)
43               for details.
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45       pexecname
46              Returns the execname of a target process's parent process
47
48              See function::pexecname(3stap)
49               for details.
50
51       pid    Returns the ID of a target process
52
53              See function::pid(3stap)
54               for details.
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56       ns_pid Returns the ID of a target process as seen in a pid namespace
57
58              See function::ns_pid(3stap)
59               for details.
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61       tid    Returns the thread ID of a target process
62
63              See function::tid(3stap)
64               for details.
65
66       ns_tid Returns the thread ID of a target process as seen in a pid name‐
67              space
68
69              See function::ns_tid(3stap)
70               for details.
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72       ppid   Returns the process ID of a target process's parent process
73
74              See function::ppid(3stap)
75               for details.
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77       ns_ppid
78              Returns  the  process ID of a target process's parent process as
79              seen in a pid namespace
80
81              See function::ns_ppid(3stap)
82               for details.
83
84       pgrp   Returns the process group ID of the current process
85
86              See function::pgrp(3stap)
87               for details.
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89       ns_pgrp
90              Returns the process group ID of the current process as seen in a
91              pid namespace
92
93              See function::ns_pgrp(3stap)
94               for details.
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96       sid    Returns the session ID of the current process
97
98              See function::sid(3stap)
99               for details.
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101       ns_sid Returns  the  session ID of the current process as seen in a pid
102              namespace
103
104              See function::ns_sid(3stap)
105               for details.
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107       gid    Returns the group ID of a target process
108
109              See function::gid(3stap)
110               for details.
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112       ns_gid Returns the group ID of a target process as seen in a user name‐
113              space
114
115              See function::ns_gid(3stap)
116               for details.
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118       egid   Returns the effective gid of a target process
119
120              See function::egid(3stap)
121               for details.
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123       ns_egid
124              Returns  the effective gid of a target process as seen in a user
125              namespace
126
127              See function::ns_egid(3stap)
128               for details.
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130       uid    Returns the user ID of a target process
131
132              See function::uid(3stap)
133               for details.
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135       ns_uid Returns the user ID of a target process as seen in a user  name‐
136              space
137
138              See function::ns_uid(3stap)
139               for details.
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141       euid   Return the effective uid of a target process
142
143              See function::euid(3stap)
144               for details.
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146       ns_euid
147              Returns  the  effective user ID of a target process as seen in a
148              user namespace
149
150              See function::ns_euid(3stap)
151               for details.
152
153       is_myproc
154              Determines if the current probe point has occurred in the user's
155              own process
156
157              See function::is_myproc(3stap)
158               for details.
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160       cpuid  Returns the current cpu number
161
162              See function::cpuid(3stap)
163               for details.
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165       cpu    Returns the current cpu number
166
167              See function::cpu(3stap)
168               for details.
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170       registers_valid
171              Determines  validity  of  register() and u_register() in current
172              context
173
174              See function::registers_valid(3stap)
175               for details.
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177       user_mode
178              Determines if probe point occurs in user-mode
179
180              See function::user_mode(3stap)
181               for details.
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183       is_return
184              Whether the current probe context is a return probe
185
186              See function::is_return(3stap)
187               for details.
188
189       target Return the process ID of the target process
190
191              See function::target(3stap)
192               for details.
193
194       module_name
195              The module name of the current script
196
197              See function::module_name(3stap)
198               for details.
199
200       module_size
201              The module size of the current script
202
203              See function::module_size(3stap)
204               for details.
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206       stp_pid
207              The process id of the stapio process
208
209              See function::stp_pid(3stap)
210               for details.
211
212       remote_id
213              The index of this instance in a remote execution.
214
215              See function::remote_id(3stap)
216               for details.
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218       remote_uri
219              The name of this instance in a remote execution.
220
221              See function::remote_uri(3stap)
222               for details.
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224       stack_size
225              Return the size of the kernel stack
226
227              See function::stack_size(3stap)
228               for details.
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230       stack_used
231              Returns the amount of kernel stack used
232
233              See function::stack_used(3stap)
234               for details.
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236       stack_unused
237              Returns the amount of kernel stack currently available
238
239              See function::stack_unused(3stap)
240               for details.
241
242       addr   Address of the current probe point.
243
244              See function::addr(3stap)
245               for details.
246
247       uaddr  User space address of current running task
248
249              See function::uaddr(3stap)
250               for details.
251
252       cmdline_args
253              Fetch command line arguments from current process
254
255              See function::cmdline_args(3stap)
256               for details.
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258       cmdline_arg
259              Fetch a command line argument
260
261              See function::cmdline_arg(3stap)
262               for details.
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264       cmdline_str
265              Fetch all command line arguments from current process
266
267              See function::cmdline_str(3stap)
268               for details.
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NAME

DESCRIPTION

SEE ALSO