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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15
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
41              processes)
42
43              See function::execname(3stap)
44               for details.
45
46       pid    Returns the ID of a target process
47
48              See function::pid(3stap)
49               for details.
50
51       ns_pid Returns  the  ID  of  a  target  process as seen in a pid
52              namespace
53
54              See function::ns_pid(3stap)
55               for details.
56
57       tid    Returns the thread ID of a target process
58
59              See function::tid(3stap)
60               for details.
61
62       ns_tid Returns the thread ID of a target process as  seen  in  a
63              pid namespace
64
65              See function::ns_tid(3stap)
66               for details.
67
68       ppid   Returns  the  process  ID  of  a  target process's parent
69              process
70
71              See function::ppid(3stap)
72               for details.
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74       ns_ppid
75              Returns the process  ID  of  a  target  process's  parent
76              process as seen in a pid namespace
77
78              See function::ns_ppid(3stap)
79               for details.
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81       pgrp   Returns the process group ID of the current process
82
83              See function::pgrp(3stap)
84               for details.
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86       ns_pgrp
87              Returns  the  process  group ID of the current process as
88              seen in a pid namespace
89
90              See function::ns_pgrp(3stap)
91               for details.
92
93       sid    Returns the session ID of the current process
94
95              See function::sid(3stap)
96               for details.
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98       ns_sid Returns the session ID of the current process as seen  in
99              a pid namespace
100
101              See function::ns_sid(3stap)
102               for details.
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104       pexecname
105              Returns the execname of a target process's parent process
106
107              See function::pexecname(3stap)
108               for details.
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110       gid    Returns the group ID of a target process
111
112              See function::gid(3stap)
113               for details.
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115       ns_gid Returns  the  group  ID  of a target process as seen in a
116              user namespace
117
118              See function::ns_gid(3stap)
119               for details.
120
121       egid   Returns the effective gid of a target process
122
123              See function::egid(3stap)
124               for details.
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126       ns_egid
127              Returns the effective gid of a target process as seen  in
128              a user namespace
129
130              See function::ns_egid(3stap)
131               for details.
132
133       uid    Returns the user ID of a target process
134
135              See function::uid(3stap)
136               for details.
137
138       ns_uid Returns the user ID of a target process as seen in a user
139              namespace
140
141              See function::ns_uid(3stap)
142               for details.
143
144       euid   Return the effective uid of a target process
145
146              See function::euid(3stap)
147               for details.
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149       ns_euid
150              Returns the effective user ID of a target process as seen
151              in a user namespace
152
153              See function::ns_euid(3stap)
154               for details.
155
156       is_myproc
157              Determines if the current probe point has occurred in the
158              user's own process
159
160              See function::is_myproc(3stap)
161               for details.
162
163       cpuid  Returns the current cpu number
164
165              See function::cpuid(3stap)
166               for details.
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168       cpu    Returns the current cpu number
169
170              See function::cpu(3stap)
171               for details.
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173       registers_valid
174              Determines validity of  register()  and  u_register()  in
175              current context
176
177              See function::registers_valid(3stap)
178               for details.
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180       user_mode
181              Determines if probe point occurs in user-mode
182
183              See function::user_mode(3stap)
184               for details.
185
186       is_return
187              Whether the current probe context is a return probe
188
189              See function::is_return(3stap)
190               for details.
191
192       target Return the process ID of the target process
193
194              See function::target(3stap)
195               for details.
196
197       module_name
198              The module name of the current script
199
200              See function::module_name(3stap)
201               for details.
202
203       stp_pid
204              The process id of the stapio process
205
206              See function::stp_pid(3stap)
207               for details.
208
209       remote_id
210              The index of this instance in a remote execution.
211
212              See function::remote_id(3stap)
213               for details.
214
215       remote_uri
216              The name of this instance in a remote execution.
217
218              See function::remote_uri(3stap)
219               for details.
220
221       stack_size
222              Return the size of the kernel stack
223
224              See function::stack_size(3stap)
225               for details.
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227       stack_used
228              Returns the amount of kernel stack used
229
230              See function::stack_used(3stap)
231               for details.
232
233       stack_unused
234              Returns the amount of kernel stack currently available
235
236              See function::stack_unused(3stap)
237               for details.
238
239       addr   Address of the current probe point.
240
241              See function::addr(3stap)
242               for details.
243
244       uaddr  User space address of current running task
245
246              See function::uaddr(3stap)
247               for details.
248
249       cmdline_args
250              Fetch command line arguments from current process
251
252              See function::cmdline_args(3stap)
253               for details.
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255       cmdline_arg
256              Fetch a command line argument
257
258              See function::cmdline_arg(3stap)
259               for details.
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261       cmdline_str
262              Fetch all command line arguments from current process
263
264              See function::cmdline_str(3stap)
265               for details.
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267

NAME

DESCRIPTION

SEE ALSO