2 * Copyright (C) 2014 EfficiOS Inc.
3 * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
5 * SPDX-License-Identifier: LGPL-2.1-only
9 #include "lttng/tracker.h"
12 #include <common/config/session-config.h>
13 #include <common/defaults.h>
14 #include <common/tracker.h>
15 #include <lttng/channel.h>
16 #include <lttng/snapshot-internal.h>
20 #define MI_SCHEMA_MAJOR_VERSION 4
21 #define MI_SCHEMA_MINOR_VERSION 0
23 /* Machine interface namespace URI */
24 LTTNG_HIDDEN
const char * const mi_lttng_xmlns
= "xmlns";
25 LTTNG_HIDDEN
const char * const mi_lttng_xmlns_xsi
= "xmlns:xsi";
26 LTTNG_HIDDEN
const char * const mi_lttng_w3_schema_uri
= "http://www.w3.org/2001/XMLSchema-instance";
27 LTTNG_HIDDEN
const char * const mi_lttng_schema_location
= "xsi:schemaLocation";
28 LTTNG_HIDDEN
const char * const mi_lttng_schema_location_uri
=
29 DEFAULT_LTTNG_MI_NAMESPACE
" "
30 "https://lttng.org/xml/schemas/lttng-mi/" XSTR(MI_SCHEMA_MAJOR_VERSION
)
31 "/lttng-mi-" XSTR(MI_SCHEMA_MAJOR_VERSION
) "."
32 XSTR(MI_SCHEMA_MINOR_VERSION
) ".xsd";
33 LTTNG_HIDDEN
const char * const mi_lttng_schema_version
= "schemaVersion";
34 LTTNG_HIDDEN
const char * const mi_lttng_schema_version_value
= XSTR(MI_SCHEMA_MAJOR_VERSION
)
35 "." XSTR(MI_SCHEMA_MINOR_VERSION
);
37 /* Strings related to command */
38 const char * const mi_lttng_element_command
= "command";
39 const char * const mi_lttng_element_command_action
= "snapshot_action";
40 const char * const mi_lttng_element_command_add_context
= "add-context";
41 const char * const mi_lttng_element_command_create
= "create";
42 const char * const mi_lttng_element_command_destroy
= "destroy";
43 const char * const mi_lttng_element_command_disable_channel
= "disable-channel";
44 const char * const mi_lttng_element_command_disable_event
= "disable-event";
45 const char * const mi_lttng_element_command_enable_channels
= "enable-channel";
46 const char * const mi_lttng_element_command_enable_event
= "enable-event";
47 const char * const mi_lttng_element_command_list
= "list";
48 const char * const mi_lttng_element_command_load
= "load";
49 LTTNG_HIDDEN
const char * const mi_lttng_element_command_metadata
= "metadata";
50 LTTNG_HIDDEN
const char * const mi_lttng_element_command_metadata_action
= "metadata_action";
51 LTTNG_HIDDEN
const char * const mi_lttng_element_command_regenerate
= "regenerate";
52 LTTNG_HIDDEN
const char * const mi_lttng_element_command_regenerate_action
= "regenerate_action";
53 const char * const mi_lttng_element_command_name
= "name";
54 const char * const mi_lttng_element_command_output
= "output";
55 const char * const mi_lttng_element_command_save
= "save";
56 const char * const mi_lttng_element_command_set_session
= "set-session";
57 const char * const mi_lttng_element_command_snapshot
= "snapshot";
58 const char * const mi_lttng_element_command_snapshot_add
= "add_snapshot";
59 const char * const mi_lttng_element_command_snapshot_del
= "del_snapshot";
60 const char * const mi_lttng_element_command_snapshot_list
= "list_snapshot";
61 const char * const mi_lttng_element_command_snapshot_record
= "record_snapshot";
62 const char * const mi_lttng_element_command_start
= "start";
63 const char * const mi_lttng_element_command_stop
= "stop";
64 const char * const mi_lttng_element_command_success
= "success";
65 const char * const mi_lttng_element_command_track
= "track";
66 const char * const mi_lttng_element_command_untrack
= "untrack";
67 const char * const mi_lttng_element_command_version
= "version";
68 LTTNG_HIDDEN
const char * const mi_lttng_element_command_rotate
= "rotate";
69 LTTNG_HIDDEN
const char * const mi_lttng_element_command_enable_rotation
= "enable-rotation";
70 LTTNG_HIDDEN
const char * const mi_lttng_element_command_disable_rotation
= "disable-rotation";
71 LTTNG_HIDDEN
const char * const mi_lttng_element_command_clear
= "clear";
73 /* Strings related to version command */
74 const char * const mi_lttng_element_version
= "version";
75 const char * const mi_lttng_element_version_commit
= "commit";
76 const char * const mi_lttng_element_version_description
= "description";
77 const char * const mi_lttng_element_version_license
= "license";
78 const char * const mi_lttng_element_version_major
= "major";
79 const char * const mi_lttng_element_version_minor
= "minor";
80 const char * const mi_lttng_element_version_patch_level
= "patchLevel";
81 const char * const mi_lttng_element_version_str
= "string";
82 const char * const mi_lttng_element_version_web
= "url";
84 /* String related to a lttng_event_field */
85 const char * const mi_lttng_element_event_field
= "event_field";
86 const char * const mi_lttng_element_event_fields
= "event_fields";
88 /* String related to lttng_event_perf_counter_ctx */
89 const char * const mi_lttng_element_perf_counter_context
= "perf";
91 /* Strings related to pid */
92 const char * const mi_lttng_element_pid_id
= "id";
94 /* Strings related to save command */
95 const char * const mi_lttng_element_save
= "save";
97 /* Strings related to load command */
98 const char * const mi_lttng_element_load
= "load";
99 LTTNG_HIDDEN
const char * const mi_lttng_element_load_overrides
= "overrides";
100 LTTNG_HIDDEN
const char * const mi_lttng_element_load_override_url
= "url";
102 /* General elements of mi_lttng */
103 const char * const mi_lttng_element_empty
= "";
104 const char * const mi_lttng_element_id
= "id";
105 const char * const mi_lttng_element_nowrite
= "nowrite";
106 const char * const mi_lttng_element_success
= "success";
107 const char * const mi_lttng_element_type_enum
= "ENUM";
108 const char * const mi_lttng_element_type_float
= "FLOAT";
109 const char * const mi_lttng_element_type_integer
= "INTEGER";
110 const char * const mi_lttng_element_type_other
= "OTHER";
111 const char * const mi_lttng_element_type_string
= "STRING";
113 /* String related to loglevel */
114 const char * const mi_lttng_loglevel_str_alert
= "TRACE_ALERT";
115 const char * const mi_lttng_loglevel_str_crit
= "TRACE_CRIT";
116 const char * const mi_lttng_loglevel_str_debug
= "TRACE_DEBUG";
117 const char * const mi_lttng_loglevel_str_debug_function
= "TRACE_DEBUG_FUNCTION";
118 const char * const mi_lttng_loglevel_str_debug_line
= "TRACE_DEBUG_LINE";
119 const char * const mi_lttng_loglevel_str_debug_module
= "TRACE_DEBUG_MODULE";
120 const char * const mi_lttng_loglevel_str_debug_process
= "TRACE_DEBUG_PROCESS";
121 const char * const mi_lttng_loglevel_str_debug_program
= "TRACE_DEBUG_PROGRAM";
122 const char * const mi_lttng_loglevel_str_debug_system
= "TRACE_DEBUG_SYSTEM";
123 const char * const mi_lttng_loglevel_str_debug_unit
= "TRACE_DEBUG_UNIT";
124 const char * const mi_lttng_loglevel_str_emerg
= "TRACE_EMERG";
125 const char * const mi_lttng_loglevel_str_err
= "TRACE_ERR";
126 const char * const mi_lttng_loglevel_str_info
= "TRACE_INFO";
127 const char * const mi_lttng_loglevel_str_notice
= "TRACE_NOTICE";
128 const char * const mi_lttng_loglevel_str_unknown
= "UNKNOWN";
129 const char * const mi_lttng_loglevel_str_warning
= "TRACE_WARNING";
131 /* String related to loglevel JUL */
132 const char * const mi_lttng_loglevel_str_jul_all
= "JUL_ALL";
133 const char * const mi_lttng_loglevel_str_jul_config
= "JUL_CONFIG";
134 const char * const mi_lttng_loglevel_str_jul_fine
= "JUL_FINE";
135 const char * const mi_lttng_loglevel_str_jul_finer
= "JUL_FINER";
136 const char * const mi_lttng_loglevel_str_jul_finest
= "JUL_FINEST";
137 const char * const mi_lttng_loglevel_str_jul_info
= "JUL_INFO";
138 const char * const mi_lttng_loglevel_str_jul_off
= "JUL_OFF";
139 const char * const mi_lttng_loglevel_str_jul_severe
= "JUL_SEVERE";
140 const char * const mi_lttng_loglevel_str_jul_warning
= "JUL_WARNING";
142 /* String related to loglevel LOG4J */
143 const char * const mi_lttng_loglevel_str_log4j_off
= "LOG4J_OFF";
144 const char * const mi_lttng_loglevel_str_log4j_fatal
= "LOG4J_FATAL";
145 const char * const mi_lttng_loglevel_str_log4j_error
= "LOG4J_ERROR";
146 const char * const mi_lttng_loglevel_str_log4j_warn
= "LOG4J_WARN";
147 const char * const mi_lttng_loglevel_str_log4j_info
= "LOG4J_INFO";
148 const char * const mi_lttng_loglevel_str_log4j_debug
= "LOG4J_DEBUG";
149 const char * const mi_lttng_loglevel_str_log4j_trace
= "LOG4J_TRACE";
150 const char * const mi_lttng_loglevel_str_log4j_all
= "LOG4J_ALL";
152 /* String related to loglevel Python */
153 const char * const mi_lttng_loglevel_str_python_critical
= "PYTHON_CRITICAL";
154 const char * const mi_lttng_loglevel_str_python_error
= "PYTHON_ERROR";
155 const char * const mi_lttng_loglevel_str_python_warning
= "PYTHON_WARNING";
156 const char * const mi_lttng_loglevel_str_python_info
= "PYTHON_INFO";
157 const char * const mi_lttng_loglevel_str_python_debug
= "PYTHON_DEBUG";
158 const char * const mi_lttng_loglevel_str_python_notset
= "PYTHON_NOTSET";
160 /* String related to loglevel type */
161 const char * const mi_lttng_loglevel_type_all
= "ALL";
162 const char * const mi_lttng_loglevel_type_range
= "RANGE";
163 const char * const mi_lttng_loglevel_type_single
= "SINGLE";
164 const char * const mi_lttng_loglevel_type_unknown
= "UNKNOWN";
166 /* String related to a lttng_snapshot_output */
167 const char * const mi_lttng_element_snapshot_ctrl_url
= "ctrl_url";
168 const char * const mi_lttng_element_snapshot_data_url
= "data_url";
169 const char * const mi_lttng_element_snapshot_max_size
= "max_size";
170 const char * const mi_lttng_element_snapshot_n_ptr
= "n_ptr";
171 const char * const mi_lttng_element_snapshot_session_name
= "session_name";
172 const char * const mi_lttng_element_snapshots
= "snapshots";
174 /* String related to track/untrack command */
175 const char * const mi_lttng_element_track_untrack_all_wildcard
= "*";
177 LTTNG_HIDDEN
const char * const mi_lttng_element_session_name
= "session_name";
179 /* String related to rotate command */
180 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation
= "rotation";
181 LTTNG_HIDDEN
const char * const mi_lttng_element_rotate_status
= "status";
182 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_schedule
= "rotation_schedule";
183 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_schedules
= "rotation_schedules";
184 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_schedule_result
= "rotation_schedule_result";
185 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_schedule_results
= "rotation_schedule_results";
186 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_schedule_periodic
= "periodic";
187 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_schedule_periodic_time_us
= "time_us";
188 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_schedule_size_threshold
= "size_threshold";
189 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_schedule_size_threshold_bytes
= "bytes";
190 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_state
= "state";
191 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_location
= "location";
192 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_location_local
= "local";
193 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_location_local_absolute_path
= "absolute_path";
194 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_location_relay
= "relay";
195 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_location_relay_host
= "host";
196 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_location_relay_control_port
= "control_port";
197 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_location_relay_data_port
= "data_port";
198 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_location_relay_protocol
= "protocol";
199 LTTNG_HIDDEN
const char * const mi_lttng_element_rotation_location_relay_relative_path
= "relative_path";
201 /* String related to enum lttng_rotation_state */
202 LTTNG_HIDDEN
const char * const mi_lttng_rotation_state_str_ongoing
= "ONGOING";
203 LTTNG_HIDDEN
const char * const mi_lttng_rotation_state_str_completed
= "COMPLETED";
204 LTTNG_HIDDEN
const char * const mi_lttng_rotation_state_str_expired
= "EXPIRED";
205 LTTNG_HIDDEN
const char * const mi_lttng_rotation_state_str_error
= "ERROR";
207 /* String related to enum lttng_trace_archive_location_relay_protocol_type */
208 LTTNG_HIDDEN
const char * const mi_lttng_rotation_location_relay_protocol_str_tcp
= "TCP";
210 /* String related to add-context command */
211 LTTNG_HIDDEN
const char * const mi_lttng_element_context_symbol
= "symbol";
213 /* Deprecated symbols preserved for ABI compatibility. */
214 const char * const mi_lttng_context_type_perf_counter
;
215 const char * const mi_lttng_context_type_perf_cpu_counter
;
216 const char * const mi_lttng_context_type_perf_thread_counter
;
217 const char * const mi_lttng_element_track_untrack_pid_target
;
218 const char * const mi_lttng_element_track_untrack_targets
;
219 const char * const mi_lttng_element_calibrate
;
220 const char * const mi_lttng_element_calibrate_function
;
221 const char * const mi_lttng_element_command_calibrate
;
223 /* This is a merge of jul loglevel and regular loglevel
224 * Those should never overlap by definition
225 * (see struct lttng_event loglevel)
228 const char *mi_lttng_loglevel_string(int value
, enum lttng_domain_type domain
)
231 case LTTNG_DOMAIN_KERNEL
:
232 case LTTNG_DOMAIN_UST
:
235 return mi_lttng_element_empty
;
236 case LTTNG_LOGLEVEL_EMERG
:
237 return mi_lttng_loglevel_str_emerg
;
238 case LTTNG_LOGLEVEL_ALERT
:
239 return mi_lttng_loglevel_str_alert
;
240 case LTTNG_LOGLEVEL_CRIT
:
241 return mi_lttng_loglevel_str_crit
;
242 case LTTNG_LOGLEVEL_ERR
:
243 return mi_lttng_loglevel_str_err
;
244 case LTTNG_LOGLEVEL_WARNING
:
245 return mi_lttng_loglevel_str_warning
;
246 case LTTNG_LOGLEVEL_NOTICE
:
247 return mi_lttng_loglevel_str_notice
;
248 case LTTNG_LOGLEVEL_INFO
:
249 return mi_lttng_loglevel_str_info
;
250 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
251 return mi_lttng_loglevel_str_debug_system
;
252 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
253 return mi_lttng_loglevel_str_debug_program
;
254 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
255 return mi_lttng_loglevel_str_debug_process
;
256 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
257 return mi_lttng_loglevel_str_debug_module
;
258 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
259 return mi_lttng_loglevel_str_debug_unit
;
260 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
261 return mi_lttng_loglevel_str_debug_function
;
262 case LTTNG_LOGLEVEL_DEBUG_LINE
:
263 return mi_lttng_loglevel_str_debug_line
;
264 case LTTNG_LOGLEVEL_DEBUG
:
265 return mi_lttng_loglevel_str_debug
;
267 return mi_lttng_loglevel_str_unknown
;
270 case LTTNG_DOMAIN_LOG4J
:
273 return mi_lttng_element_empty
;
274 case LTTNG_LOGLEVEL_LOG4J_OFF
:
275 return mi_lttng_loglevel_str_log4j_off
;
276 case LTTNG_LOGLEVEL_LOG4J_FATAL
:
277 return mi_lttng_loglevel_str_log4j_fatal
;
278 case LTTNG_LOGLEVEL_LOG4J_ERROR
:
279 return mi_lttng_loglevel_str_log4j_error
;
280 case LTTNG_LOGLEVEL_LOG4J_WARN
:
281 return mi_lttng_loglevel_str_log4j_warn
;
282 case LTTNG_LOGLEVEL_LOG4J_INFO
:
283 return mi_lttng_loglevel_str_log4j_info
;
284 case LTTNG_LOGLEVEL_LOG4J_DEBUG
:
285 return mi_lttng_loglevel_str_log4j_debug
;
286 case LTTNG_LOGLEVEL_LOG4J_TRACE
:
287 return mi_lttng_loglevel_str_log4j_trace
;
288 case LTTNG_LOGLEVEL_LOG4J_ALL
:
289 return mi_lttng_loglevel_str_log4j_all
;
291 return mi_lttng_loglevel_str_unknown
;
294 case LTTNG_DOMAIN_JUL
:
297 return mi_lttng_element_empty
;
298 case LTTNG_LOGLEVEL_JUL_OFF
:
299 return mi_lttng_loglevel_str_jul_off
;
300 case LTTNG_LOGLEVEL_JUL_SEVERE
:
301 return mi_lttng_loglevel_str_jul_severe
;
302 case LTTNG_LOGLEVEL_JUL_WARNING
:
303 return mi_lttng_loglevel_str_jul_warning
;
304 case LTTNG_LOGLEVEL_JUL_INFO
:
305 return mi_lttng_loglevel_str_jul_info
;
306 case LTTNG_LOGLEVEL_JUL_CONFIG
:
307 return mi_lttng_loglevel_str_jul_config
;
308 case LTTNG_LOGLEVEL_JUL_FINE
:
309 return mi_lttng_loglevel_str_jul_fine
;
310 case LTTNG_LOGLEVEL_JUL_FINER
:
311 return mi_lttng_loglevel_str_jul_finer
;
312 case LTTNG_LOGLEVEL_JUL_FINEST
:
313 return mi_lttng_loglevel_str_jul_finest
;
314 case LTTNG_LOGLEVEL_JUL_ALL
:
315 return mi_lttng_loglevel_str_jul_all
;
317 return mi_lttng_loglevel_str_unknown
;
320 case LTTNG_DOMAIN_PYTHON
:
322 case LTTNG_LOGLEVEL_PYTHON_CRITICAL
:
323 return mi_lttng_loglevel_str_python_critical
;
324 case LTTNG_LOGLEVEL_PYTHON_ERROR
:
325 return mi_lttng_loglevel_str_python_error
;
326 case LTTNG_LOGLEVEL_PYTHON_WARNING
:
327 return mi_lttng_loglevel_str_python_warning
;
328 case LTTNG_LOGLEVEL_PYTHON_INFO
:
329 return mi_lttng_loglevel_str_python_info
;
330 case LTTNG_LOGLEVEL_PYTHON_DEBUG
:
331 return mi_lttng_loglevel_str_python_debug
;
332 case LTTNG_LOGLEVEL_PYTHON_NOTSET
:
333 return mi_lttng_loglevel_str_python_notset
;
335 return mi_lttng_loglevel_str_unknown
;
339 return mi_lttng_loglevel_str_unknown
;
344 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
347 case LTTNG_EVENT_LOGLEVEL_ALL
:
348 return mi_lttng_loglevel_type_all
;
349 case LTTNG_EVENT_LOGLEVEL_RANGE
:
350 return mi_lttng_loglevel_type_range
;
351 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
352 return mi_lttng_loglevel_type_single
;
354 return mi_lttng_loglevel_type_unknown
;
359 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
362 case LTTNG_EVENT_ALL
:
363 return config_event_type_all
;
364 case LTTNG_EVENT_TRACEPOINT
:
365 return config_event_type_tracepoint
;
366 case LTTNG_EVENT_PROBE
:
367 return config_event_type_probe
;
368 case LTTNG_EVENT_USERSPACE_PROBE
:
369 return config_event_type_userspace_probe
;
370 case LTTNG_EVENT_FUNCTION
:
371 return config_event_type_function
;
372 case LTTNG_EVENT_FUNCTION_ENTRY
:
373 return config_event_type_function_entry
;
374 case LTTNG_EVENT_SYSCALL
:
375 return config_event_type_syscall
;
376 case LTTNG_EVENT_NOOP
:
377 return config_event_type_noop
;
379 return mi_lttng_element_empty
;
384 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
387 case LTTNG_EVENT_CONTEXT_PID
:
388 return config_event_context_pid
;
389 case LTTNG_EVENT_CONTEXT_PROCNAME
:
390 return config_event_context_procname
;
391 case LTTNG_EVENT_CONTEXT_PRIO
:
392 return config_event_context_prio
;
393 case LTTNG_EVENT_CONTEXT_NICE
:
394 return config_event_context_nice
;
395 case LTTNG_EVENT_CONTEXT_VPID
:
396 return config_event_context_vpid
;
397 case LTTNG_EVENT_CONTEXT_TID
:
398 return config_event_context_tid
;
399 case LTTNG_EVENT_CONTEXT_VTID
:
400 return config_event_context_vtid
;
401 case LTTNG_EVENT_CONTEXT_PPID
:
402 return config_event_context_ppid
;
403 case LTTNG_EVENT_CONTEXT_VPPID
:
404 return config_event_context_vppid
;
405 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
406 return config_event_context_pthread_id
;
407 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
408 return config_event_context_hostname
;
409 case LTTNG_EVENT_CONTEXT_IP
:
410 return config_event_context_ip
;
411 case LTTNG_EVENT_CONTEXT_INTERRUPTIBLE
:
412 return config_event_context_interruptible
;
413 case LTTNG_EVENT_CONTEXT_PREEMPTIBLE
:
414 return config_event_context_preemptible
;
415 case LTTNG_EVENT_CONTEXT_NEED_RESCHEDULE
:
416 return config_event_context_need_reschedule
;
417 case LTTNG_EVENT_CONTEXT_MIGRATABLE
:
418 return config_event_context_migratable
;
419 case LTTNG_EVENT_CONTEXT_CALLSTACK_USER
:
420 return config_event_context_callstack_user
;
421 case LTTNG_EVENT_CONTEXT_CALLSTACK_KERNEL
:
422 return config_event_context_callstack_kernel
;
423 case LTTNG_EVENT_CONTEXT_CGROUP_NS
:
424 return config_event_context_cgroup_ns
;
425 case LTTNG_EVENT_CONTEXT_IPC_NS
:
426 return config_event_context_ipc_ns
;
427 case LTTNG_EVENT_CONTEXT_MNT_NS
:
428 return config_event_context_mnt_ns
;
429 case LTTNG_EVENT_CONTEXT_NET_NS
:
430 return config_event_context_net_ns
;
431 case LTTNG_EVENT_CONTEXT_PID_NS
:
432 return config_event_context_pid_ns
;
433 case LTTNG_EVENT_CONTEXT_USER_NS
:
434 return config_event_context_user_ns
;
435 case LTTNG_EVENT_CONTEXT_UTS_NS
:
436 return config_event_context_uts_ns
;
437 case LTTNG_EVENT_CONTEXT_UID
:
438 return config_event_context_uid
;
439 case LTTNG_EVENT_CONTEXT_EUID
:
440 return config_event_context_euid
;
441 case LTTNG_EVENT_CONTEXT_SUID
:
442 return config_event_context_suid
;
443 case LTTNG_EVENT_CONTEXT_GID
:
444 return config_event_context_gid
;
445 case LTTNG_EVENT_CONTEXT_EGID
:
446 return config_event_context_egid
;
447 case LTTNG_EVENT_CONTEXT_SGID
:
448 return config_event_context_sgid
;
449 case LTTNG_EVENT_CONTEXT_VUID
:
450 return config_event_context_vuid
;
451 case LTTNG_EVENT_CONTEXT_VEUID
:
452 return config_event_context_veuid
;
453 case LTTNG_EVENT_CONTEXT_VSUID
:
454 return config_event_context_vsuid
;
455 case LTTNG_EVENT_CONTEXT_VGID
:
456 return config_event_context_vgid
;
457 case LTTNG_EVENT_CONTEXT_VEGID
:
458 return config_event_context_vegid
;
459 case LTTNG_EVENT_CONTEXT_VSGID
:
460 return config_event_context_vsgid
;
467 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
470 case(LTTNG_EVENT_FIELD_INTEGER
):
471 return mi_lttng_element_type_integer
;
472 case(LTTNG_EVENT_FIELD_ENUM
):
473 return mi_lttng_element_type_enum
;
474 case(LTTNG_EVENT_FIELD_FLOAT
):
475 return mi_lttng_element_type_float
;
476 case(LTTNG_EVENT_FIELD_STRING
):
477 return mi_lttng_element_type_string
;
479 return mi_lttng_element_type_other
;
484 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
486 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
488 case LTTNG_DOMAIN_KERNEL
:
489 return config_domain_type_kernel
;
490 case LTTNG_DOMAIN_UST
:
491 return config_domain_type_ust
;
492 case LTTNG_DOMAIN_JUL
:
493 return config_domain_type_jul
;
494 case LTTNG_DOMAIN_LOG4J
:
495 return config_domain_type_log4j
;
496 case LTTNG_DOMAIN_PYTHON
:
497 return config_domain_type_python
;
499 /* Should not have an unknown domain */
506 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
509 case LTTNG_BUFFER_PER_PID
:
510 return config_buffer_type_per_pid
;
511 case LTTNG_BUFFER_PER_UID
:
512 return config_buffer_type_per_uid
;
513 case LTTNG_BUFFER_GLOBAL
:
514 return config_buffer_type_global
;
516 /* Should not have an unknow buffer type */
523 const char *mi_lttng_rotation_state_string(enum lttng_rotation_state value
)
526 case LTTNG_ROTATION_STATE_ONGOING
:
527 return mi_lttng_rotation_state_str_ongoing
;
528 case LTTNG_ROTATION_STATE_COMPLETED
:
529 return mi_lttng_rotation_state_str_completed
;
530 case LTTNG_ROTATION_STATE_EXPIRED
:
531 return mi_lttng_rotation_state_str_expired
;
532 case LTTNG_ROTATION_STATE_ERROR
:
533 return mi_lttng_rotation_state_str_error
;
535 /* Should not have an unknow rotation state. */
542 const char *mi_lttng_trace_archive_location_relay_protocol_type_string(
543 enum lttng_trace_archive_location_relay_protocol_type value
)
546 case LTTNG_TRACE_ARCHIVE_LOCATION_RELAY_PROTOCOL_TYPE_TCP
:
547 return mi_lttng_rotation_location_relay_protocol_str_tcp
;
549 /* Should not have an unknow relay protocol. */
556 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
558 struct mi_writer
*mi_writer
;
560 mi_writer
= zmalloc(sizeof(struct mi_writer
));
562 PERROR("zmalloc mi_writer_create");
565 if (mi_output_type
== LTTNG_MI_XML
) {
566 mi_writer
->writer
= config_writer_create(fd_output
, 0);
567 if (!mi_writer
->writer
) {
570 mi_writer
->type
= LTTNG_MI_XML
;
584 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
593 ret
= config_writer_destroy(writer
->writer
);
604 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
609 * A command is always the MI's root node, it must declare the current
610 * namespace and schema URIs and the schema's version.
612 ret
= config_writer_open_element(writer
->writer
,
613 mi_lttng_element_command
);
618 ret
= config_writer_write_attribute(writer
->writer
,
619 mi_lttng_xmlns
, DEFAULT_LTTNG_MI_NAMESPACE
);
624 ret
= config_writer_write_attribute(writer
->writer
,
625 mi_lttng_xmlns_xsi
, mi_lttng_w3_schema_uri
);
630 ret
= config_writer_write_attribute(writer
->writer
,
631 mi_lttng_schema_location
,
632 mi_lttng_schema_location_uri
);
637 ret
= config_writer_write_attribute(writer
->writer
,
638 mi_lttng_schema_version
,
639 mi_lttng_schema_version_value
);
644 ret
= mi_lttng_writer_write_element_string(writer
,
645 mi_lttng_element_command_name
, command
);
651 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
653 return mi_lttng_writer_close_element(writer
);
657 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
658 const char *element_name
)
660 return config_writer_open_element(writer
->writer
, element_name
);
664 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
666 return config_writer_close_element(writer
->writer
);
670 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
671 unsigned int nb_element
)
675 if (nb_element
< 1) {
679 for (i
= 0; i
< nb_element
; i
++) {
680 ret
= mi_lttng_writer_close_element(writer
);
690 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
691 const char *element_name
, uint64_t value
)
693 return config_writer_write_element_unsigned_int(writer
->writer
,
694 element_name
, value
);
698 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
699 const char *element_name
, int64_t value
)
701 return config_writer_write_element_signed_int(writer
->writer
,
702 element_name
, value
);
706 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
707 const char *element_name
, int value
)
709 return config_writer_write_element_bool(writer
->writer
,
710 element_name
, value
);
714 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
715 const char *element_name
, const char *value
)
717 return config_writer_write_element_string(writer
->writer
,
718 element_name
, value
);
722 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
723 const char *lttng_description
, const char *lttng_license
)
728 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
733 /* Version string (contain info like rc etc.) */
734 ret
= mi_lttng_writer_write_element_string(writer
,
735 mi_lttng_element_version_str
, version
->version
);
740 /* Major version number */
741 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
742 mi_lttng_element_version_major
, version
->version_major
);
747 /* Minor version number */
748 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
749 mi_lttng_element_version_minor
, version
->version_minor
);
754 /* Commit version number */
755 ret
= mi_lttng_writer_write_element_string(writer
,
756 mi_lttng_element_version_commit
, version
->version_commit
);
762 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
763 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
768 /* Name of the version */
769 ret
= mi_lttng_writer_write_element_string(writer
,
770 config_element_name
, version
->version_name
);
775 /* Description mostly related to beer... */
776 ret
= mi_lttng_writer_write_element_string(writer
,
777 mi_lttng_element_version_description
, lttng_description
);
783 ret
= mi_lttng_writer_write_element_string(writer
,
784 mi_lttng_element_version_web
, version
->package_url
);
789 /* License: free as in free beer...no...*speech* */
790 ret
= mi_lttng_writer_write_element_string(writer
,
791 mi_lttng_element_version_license
, lttng_license
);
796 /* Close version element */
797 ret
= mi_lttng_writer_close_element(writer
);
804 int mi_lttng_sessions_open(struct mi_writer
*writer
)
806 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
810 int mi_lttng_session(struct mi_writer
*writer
,
811 struct lttng_session
*session
, int is_open
)
817 /* Open sessions element */
818 ret
= mi_lttng_writer_open_element(writer
,
819 config_element_session
);
824 /* Name of the session */
825 ret
= mi_lttng_writer_write_element_string(writer
,
826 config_element_name
, session
->name
);
832 ret
= mi_lttng_writer_write_element_string(writer
,
833 config_element_path
, session
->path
);
839 ret
= mi_lttng_writer_write_element_bool(writer
,
840 config_element_enabled
, session
->enabled
);
846 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
847 config_element_snapshot_mode
, session
->snapshot_mode
);
852 /* Live timer interval in usec */
853 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
854 config_element_live_timer_interval
,
855 session
->live_timer_interval
);
861 /* Closing session element */
862 ret
= mi_lttng_writer_close_element(writer
);
870 int mi_lttng_domains_open(struct mi_writer
*writer
)
872 return mi_lttng_writer_open_element(writer
, config_element_domains
);
876 int mi_lttng_domain(struct mi_writer
*writer
,
877 struct lttng_domain
*domain
, int is_open
)
880 const char *str_domain
;
881 const char *str_buffer
;
885 /* Open domain element */
886 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
892 str_domain
= mi_lttng_domaintype_string(domain
->type
);
893 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
900 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
901 ret
= mi_lttng_writer_write_element_string(writer
,
902 config_element_buffer_type
, str_buffer
);
908 * This union is not currently used and was added for
909 * future ust domain support.
914 /* Closing domain element */
915 ret
= mi_lttng_writer_close_element(writer
);
924 int mi_lttng_channels_open(struct mi_writer
*writer
)
926 return mi_lttng_writer_open_element(writer
, config_element_channels
);
930 int mi_lttng_channel(struct mi_writer
*writer
,
931 struct lttng_channel
*channel
, int is_open
)
937 /* Opening channel element */
938 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
944 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
951 ret
= mi_lttng_writer_write_element_bool(writer
,
952 config_element_enabled
, channel
->enabled
);
958 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
964 /* Closing channel element */
965 ret
= mi_lttng_writer_close_element(writer
);
975 int mi_lttng_channel_attr(struct mi_writer
*writer
,
976 struct lttng_channel_attr
*attr
)
979 struct lttng_channel
*chan
= caa_container_of(attr
,
980 struct lttng_channel
, attr
);
981 uint64_t discarded_events
, lost_packets
, monitor_timer_interval
;
982 int64_t blocking_timeout
;
986 ret
= lttng_channel_get_discarded_event_count(chan
, &discarded_events
);
991 ret
= lttng_channel_get_lost_packet_count(chan
, &lost_packets
);
996 ret
= lttng_channel_get_monitor_timer_interval(chan
,
997 &monitor_timer_interval
);
1002 ret
= lttng_channel_get_blocking_timeout(chan
,
1008 /* Opening Attributes */
1009 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1015 ret
= mi_lttng_writer_write_element_string(writer
,
1016 config_element_overwrite_mode
,
1017 attr
->overwrite
? config_overwrite_mode_overwrite
:
1018 config_overwrite_mode_discard
);
1023 /* Sub buffer size in byte */
1024 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1025 config_element_subbuf_size
, attr
->subbuf_size
);
1030 /* Number of subbuffer (power of two) */
1031 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1032 config_element_num_subbuf
,
1038 /* Switch timer interval in usec */
1039 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1040 config_element_switch_timer_interval
,
1041 attr
->switch_timer_interval
);
1046 /* Read timer interval in usec */
1047 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1048 config_element_read_timer_interval
,
1049 attr
->read_timer_interval
);
1054 /* Monitor timer interval in usec */
1055 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1056 config_element_monitor_timer_interval
,
1057 monitor_timer_interval
);
1062 /* Retry timeout in usec */
1063 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1064 config_element_blocking_timeout
,
1071 ret
= mi_lttng_writer_write_element_string(writer
,
1072 config_element_output_type
,
1073 attr
->output
== LTTNG_EVENT_SPLICE
?
1074 config_output_type_splice
: config_output_type_mmap
);
1079 /* Tracefile size in bytes */
1080 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1081 config_element_tracefile_size
, attr
->tracefile_size
);
1086 /* Count of tracefiles */
1087 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1088 config_element_tracefile_count
,
1089 attr
->tracefile_count
);
1094 /* Live timer interval in usec*/
1095 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1096 config_element_live_timer_interval
,
1097 attr
->live_timer_interval
);
1102 /* Discarded events */
1103 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1104 config_element_discarded_events
,
1111 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1112 config_element_lost_packets
,
1118 /* Closing attributes */
1119 ret
= mi_lttng_writer_close_element(writer
);
1129 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
1130 struct lttng_event
*event
)
1133 const char *filter_expression
;
1135 /* Open event element */
1136 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
1142 ret
= mi_lttng_writer_write_element_string(writer
,
1143 config_element_name
, event
->name
);
1149 ret
= mi_lttng_writer_write_element_string(writer
,
1150 config_element_type
, mi_lttng_eventtype_string(event
->type
));
1155 /* Is event enabled */
1156 ret
= mi_lttng_writer_write_element_bool(writer
,
1157 config_element_enabled
, event
->enabled
);
1162 /* Event filter expression */
1163 ret
= lttng_event_get_filter_expression(event
, &filter_expression
);
1168 if (filter_expression
) {
1169 ret
= mi_lttng_writer_write_element_string(writer
,
1170 config_element_filter_expression
,
1181 static int write_event_exclusions(struct mi_writer
*writer
,
1182 struct lttng_event
*event
)
1186 int exclusion_count
;
1188 /* Open event exclusions */
1189 ret
= mi_lttng_writer_open_element(writer
, config_element_exclusions
);
1194 exclusion_count
= lttng_event_get_exclusion_name_count(event
);
1195 if (exclusion_count
< 0) {
1196 ret
= exclusion_count
;
1200 for (i
= 0; i
< exclusion_count
; i
++) {
1203 ret
= lttng_event_get_exclusion_name(event
, i
, &name
);
1205 /* Close exclusions */
1206 mi_lttng_writer_close_element(writer
);
1210 ret
= mi_lttng_writer_write_element_string(writer
,
1211 config_element_exclusion
, name
);
1213 /* Close exclusions */
1214 mi_lttng_writer_close_element(writer
);
1219 /* Close exclusions */
1220 ret
= mi_lttng_writer_close_element(writer
);
1227 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
1228 struct lttng_event
*event
, enum lttng_domain_type domain
)
1232 /* Event loglevel */
1233 ret
= mi_lttng_writer_write_element_string(writer
,
1234 config_element_loglevel
,
1235 mi_lttng_loglevel_string(event
->loglevel
, domain
));
1240 /* Log level type */
1241 ret
= mi_lttng_writer_write_element_string(writer
,
1242 config_element_loglevel_type
,
1243 mi_lttng_logleveltype_string(event
->loglevel_type
));
1248 /* Event exclusions */
1249 ret
= write_event_exclusions(writer
, event
);
1256 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
1257 struct lttng_event
*event
)
1259 /* event exclusion filter */
1260 return write_event_exclusions(writer
, event
);
1264 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
1265 struct lttng_event
*event
)
1269 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1274 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1279 if (event
->attr
.probe
.addr
!= 0) {
1280 /* event probe address */
1281 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1282 config_element_address
, event
->attr
.probe
.addr
);
1287 /* event probe offset */
1288 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1289 config_element_offset
, event
->attr
.probe
.offset
);
1294 /* event probe symbol_name */
1295 ret
= mi_lttng_writer_write_element_string(writer
,
1296 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
1302 /* Close probe_attributes and attributes */
1303 ret
= mi_lttng_close_multi_element(writer
, 2);
1309 int mi_lttng_event_userspace_probe(struct mi_writer
*writer
,
1310 struct lttng_event
*event
)
1313 const struct lttng_userspace_probe_location
*location
;
1314 const struct lttng_userspace_probe_location_lookup_method
*lookup_method
;
1315 enum lttng_userspace_probe_location_lookup_method_type lookup_type
;
1317 location
= lttng_event_get_userspace_probe_location(event
);
1319 ret
= -LTTNG_ERR_INVALID
;
1323 lookup_method
= lttng_userspace_probe_location_get_lookup_method(location
);
1324 if (!lookup_method
) {
1325 ret
= -LTTNG_ERR_INVALID
;
1329 lookup_type
= lttng_userspace_probe_location_lookup_method_get_type(lookup_method
);
1331 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1336 switch (lttng_userspace_probe_location_get_type(location
)) {
1337 case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION
:
1339 const char *function_name
;
1340 const char *binary_path
;
1342 ret
= mi_lttng_writer_open_element(writer
,
1343 config_element_userspace_probe_function_attributes
);
1348 switch (lookup_type
) {
1349 case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF
:
1350 ret
= mi_lttng_writer_write_element_string(writer
,
1351 config_element_userspace_probe_lookup
,
1352 config_element_userspace_probe_lookup_function_elf
);
1357 case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT
:
1358 ret
= mi_lttng_writer_write_element_string(writer
,
1359 config_element_userspace_probe_lookup
,
1360 config_element_userspace_probe_lookup_function_default
);
1369 binary_path
= lttng_userspace_probe_location_function_get_binary_path(location
);
1370 ret
= mi_lttng_writer_write_element_string(writer
,
1371 config_element_userspace_probe_location_binary_path
, binary_path
);
1376 function_name
= lttng_userspace_probe_location_function_get_function_name(location
);
1377 ret
= mi_lttng_writer_write_element_string(writer
,
1378 config_element_userspace_probe_function_location_function_name
,
1386 case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT
:
1388 const char *probe_name
, *provider_name
;
1389 const char *binary_path
;
1391 ret
= mi_lttng_writer_open_element(writer
,
1392 config_element_userspace_probe_function_attributes
);
1397 switch (lookup_type
) {
1398 case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT
:
1399 ret
= mi_lttng_writer_write_element_string(writer
,
1400 config_element_userspace_probe_lookup
,
1401 config_element_userspace_probe_lookup_tracepoint_sdt
);
1410 binary_path
= lttng_userspace_probe_location_tracepoint_get_binary_path(location
);
1411 ret
= mi_lttng_writer_write_element_string(writer
,
1412 config_element_userspace_probe_location_binary_path
,
1418 provider_name
= lttng_userspace_probe_location_tracepoint_get_provider_name(location
);
1419 ret
= mi_lttng_writer_write_element_string(writer
,
1420 config_element_userspace_probe_tracepoint_location_provider_name
,
1426 probe_name
= lttng_userspace_probe_location_tracepoint_get_probe_name(location
);
1427 ret
= mi_lttng_writer_write_element_string(writer
,
1428 config_element_userspace_probe_tracepoint_location_probe_name
, probe_name
);
1435 ERR("Invalid probe type encountered");
1437 /* Close probe_attributes and attributes */
1438 ret
= mi_lttng_close_multi_element(writer
, 2);
1444 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
1445 struct lttng_event
*event
)
1449 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1454 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1459 /* event probe symbol_name */
1460 ret
= mi_lttng_writer_write_element_string(writer
,
1461 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
1466 /* Close function_attributes and attributes */
1467 ret
= mi_lttng_close_multi_element(writer
, 2);
1473 int mi_lttng_events_open(struct mi_writer
*writer
)
1475 return mi_lttng_writer_open_element(writer
, config_element_events
);
1479 int mi_lttng_event(struct mi_writer
*writer
,
1480 struct lttng_event
*event
, int is_open
, enum lttng_domain_type domain
)
1484 ret
= mi_lttng_event_common_attributes(writer
, event
);
1489 switch (event
->type
) {
1490 case LTTNG_EVENT_TRACEPOINT
:
1492 if (event
->loglevel
!= -1) {
1493 ret
= mi_lttng_event_tracepoint_loglevel(writer
, event
, domain
);
1495 ret
= mi_lttng_event_tracepoint_no_loglevel(writer
, event
);
1499 case LTTNG_EVENT_FUNCTION
:
1501 case LTTNG_EVENT_PROBE
:
1502 ret
= mi_lttng_event_function_probe(writer
, event
);
1504 case LTTNG_EVENT_FUNCTION_ENTRY
:
1505 ret
= mi_lttng_event_function_entry(writer
, event
);
1507 case LTTNG_EVENT_USERSPACE_PROBE
:
1508 ret
= mi_lttng_event_userspace_probe(writer
, event
);
1510 case LTTNG_EVENT_ALL
:
1521 ret
= mi_lttng_writer_close_element(writer
);
1529 int mi_lttng_trackers_open(struct mi_writer
*writer
)
1531 return mi_lttng_writer_open_element(
1532 writer
, config_element_process_attr_trackers
);
1535 static int get_tracker_elements(enum lttng_process_attr process_attr
,
1536 const char **element_process_attr_tracker
,
1537 const char **element_process_attr_value
)
1541 switch (process_attr
) {
1542 case LTTNG_PROCESS_ATTR_PROCESS_ID
:
1543 *element_process_attr_tracker
=
1544 config_element_process_attr_tracker_pid
;
1545 *element_process_attr_value
=
1546 config_element_process_attr_pid_value
;
1548 case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID
:
1549 *element_process_attr_tracker
=
1550 config_element_process_attr_tracker_vpid
;
1551 *element_process_attr_value
=
1552 config_element_process_attr_vpid_value
;
1554 case LTTNG_PROCESS_ATTR_USER_ID
:
1555 *element_process_attr_tracker
=
1556 config_element_process_attr_tracker_uid
;
1557 *element_process_attr_value
=
1558 config_element_process_attr_uid_value
;
1560 case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID
:
1561 *element_process_attr_tracker
=
1562 config_element_process_attr_tracker_vuid
;
1563 *element_process_attr_value
=
1564 config_element_process_attr_vuid_value
;
1566 case LTTNG_PROCESS_ATTR_GROUP_ID
:
1567 *element_process_attr_tracker
=
1568 config_element_process_attr_tracker_gid
;
1569 *element_process_attr_value
=
1570 config_element_process_attr_gid_value
;
1572 case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID
:
1573 *element_process_attr_tracker
=
1574 config_element_process_attr_tracker_vgid
;
1575 *element_process_attr_value
=
1576 config_element_process_attr_vgid_value
;
1579 ret
= LTTNG_ERR_SAVE_IO_FAIL
;
1585 int mi_lttng_process_attribute_tracker_open(
1586 struct mi_writer
*writer
, enum lttng_process_attr process_attr
)
1589 const char *element_tracker
, *element_value
;
1591 ret
= get_tracker_elements(
1592 process_attr
, &element_tracker
, &element_value
);
1597 /* Open process attribute tracker element */
1598 ret
= mi_lttng_writer_open_element(writer
, element_tracker
);
1603 /* Open values element */
1604 ret
= mi_lttng_process_attr_values_open(writer
);
1610 int mi_lttng_pids_open(struct mi_writer
*writer
)
1612 return mi_lttng_writer_open_element(writer
, config_element_pids
);
1616 * TODO: move the listing of pid for user agent to process semantic on
1617 * mi api bump. The use of process element break the mi api.
1620 int mi_lttng_pid(struct mi_writer
*writer
,
1627 /* Open pid process */
1628 ret
= mi_lttng_writer_open_element(writer
, config_element_pid
);
1633 /* Writing pid number */
1634 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1635 mi_lttng_element_pid_id
, (int)pid
);
1640 /* Writing name of the process */
1642 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1651 ret
= mi_lttng_writer_close_element(writer
);
1659 int mi_lttng_process_attr_values_open(struct mi_writer
*writer
)
1661 return mi_lttng_writer_open_element(
1662 writer
, config_element_process_attr_values
);
1666 int mi_lttng_all_process_attribute_value(struct mi_writer
*writer
,
1667 enum lttng_process_attr process_attr
,
1671 const char *element_id_tracker
, *element_target_id
;
1673 ret
= get_tracker_elements(
1674 process_attr
, &element_id_tracker
, &element_target_id
);
1679 ret
= mi_lttng_writer_open_element(writer
, element_target_id
);
1684 ret
= mi_lttng_writer_open_element(writer
, config_element_type
);
1689 ret
= mi_lttng_writer_write_element_bool(writer
, config_element_all
, 1);
1694 ret
= mi_lttng_writer_close_element(writer
);
1700 ret
= mi_lttng_writer_close_element(writer
);
1710 int mi_lttng_integral_process_attribute_value(struct mi_writer
*writer
,
1711 enum lttng_process_attr process_attr
,
1716 const char *element_id_tracker
, *element_target_id
;
1718 ret
= get_tracker_elements(
1719 process_attr
, &element_id_tracker
, &element_target_id
);
1724 ret
= mi_lttng_writer_open_element(writer
, element_target_id
);
1729 ret
= mi_lttng_writer_open_element(writer
, config_element_type
);
1734 ret
= mi_lttng_writer_write_element_signed_int(
1735 writer
, config_element_process_attr_id
, value
);
1740 ret
= mi_lttng_writer_close_element(writer
);
1746 ret
= mi_lttng_writer_close_element(writer
);
1757 int mi_lttng_string_process_attribute_value(struct mi_writer
*writer
,
1758 enum lttng_process_attr process_attr
,
1764 const char *element_id_tracker
, *element_target_id
;
1766 ret
= get_tracker_elements(
1767 process_attr
, &element_id_tracker
, &element_target_id
);
1772 ret
= mi_lttng_writer_open_element(writer
, element_target_id
);
1777 ret
= mi_lttng_writer_open_element(writer
, config_element_type
);
1782 ret
= mi_lttng_writer_write_element_string(
1783 writer
, config_element_name
, value
);
1788 ret
= mi_lttng_writer_close_element(writer
);
1794 ret
= mi_lttng_writer_close_element(writer
);
1805 int mi_lttng_event_fields_open(struct mi_writer
*writer
)
1807 return mi_lttng_writer_open_element(writer
, mi_lttng_element_event_fields
);
1811 int mi_lttng_event_field(struct mi_writer
*writer
,
1812 struct lttng_event_field
*field
)
1816 if (!field
->field_name
[0]) {
1822 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_event_field
);
1827 if (!field
->field_name
[0]) {
1832 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1839 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1840 mi_lttng_eventfieldtype_string(field
->type
));
1846 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1847 mi_lttng_element_nowrite
, field
->nowrite
);
1853 /* Close field element */
1854 ret
= mi_lttng_writer_close_element(writer
);
1861 int mi_lttng_perf_counter_context(struct mi_writer
*writer
,
1862 struct lttng_event_perf_counter_ctx
*perf_context
)
1866 /* Open perf_counter_context */
1867 ret
= mi_lttng_writer_open_element(writer
,
1868 mi_lttng_element_perf_counter_context
);
1874 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1875 config_element_type
, perf_context
->type
);
1881 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1882 config_element_config
, perf_context
->config
);
1887 /* Name of the perf counter */
1888 ret
= mi_lttng_writer_write_element_string(writer
,
1889 config_element_name
, perf_context
->name
);
1894 /* Close perf_counter_context */
1895 ret
= mi_lttng_writer_close_element(writer
);
1901 int mi_lttng_app_context(struct mi_writer
*writer
,
1902 const char *provider_name
, const char *ctx_name
)
1907 ret
= mi_lttng_writer_open_element(writer
,
1908 config_element_context_app
);
1914 ret
= mi_lttng_writer_write_element_string(writer
,
1915 config_element_context_app_provider_name
,
1922 ret
= mi_lttng_writer_write_element_string(writer
,
1923 config_element_context_app_ctx_name
, ctx_name
);
1929 ret
= mi_lttng_writer_close_element(writer
);
1935 int mi_lttng_context(struct mi_writer
*writer
,
1936 struct lttng_event_context
*context
, int is_open
)
1941 ret
= mi_lttng_writer_open_element(writer
, config_element_context
);
1946 /* Special case for PERF_*_COUNTER
1947 * print the lttng_event_perf_counter_ctx*/
1948 switch (context
->ctx
) {
1949 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
1950 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
1951 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
1953 struct lttng_event_perf_counter_ctx
*perf_context
=
1954 &context
->u
.perf_counter
;
1955 ret
= mi_lttng_perf_counter_context(writer
, perf_context
);
1961 case LTTNG_EVENT_CONTEXT_APP_CONTEXT
:
1963 ret
= mi_lttng_app_context(writer
,
1964 context
->u
.app_ctx
.provider_name
,
1965 context
->u
.app_ctx
.ctx_name
);
1973 const char *type_string
= mi_lttng_event_contexttype_string(
1976 ret
= -LTTNG_ERR_INVALID
;
1980 /* Print context type */
1981 ret
= mi_lttng_writer_write_element_string(writer
,
1982 config_element_type
, type_string
);
1989 ret
= mi_lttng_writer_close_element(writer
);
1997 int mi_lttng_snapshot_output_session_name(struct mi_writer
*writer
,
1998 const char *session_name
)
2002 /* Open session element */
2003 ret
= mi_lttng_writer_open_element(writer
, config_element_session
);
2008 /* Snapshot output list for current session name */
2009 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
2015 /* Open element snapshots (sequence one snapshot) */
2016 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_snapshots
);
2026 int mi_lttng_snapshot_list_output(struct mi_writer
*writer
,
2027 struct lttng_snapshot_output
*output
)
2031 /* Open element snapshot output */
2032 ret
= mi_lttng_writer_open_element(writer
,
2033 mi_lttng_element_command_snapshot
);
2038 /* ID of the snapshot output */
2039 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
2040 mi_lttng_element_id
, output
->id
);
2045 /* Name of the output */
2046 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
2052 /* Destination of the output (ctrl_url)*/
2053 ret
= mi_lttng_writer_write_element_string(writer
,
2054 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
2059 /* Destination of the output (data_url) */
2060 ret
= mi_lttng_writer_write_element_string(writer
,
2061 mi_lttng_element_snapshot_data_url
, output
->data_url
);
2066 /* total size of all stream combined */
2067 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
2068 mi_lttng_element_snapshot_max_size
, output
->max_size
);
2073 /* Close snapshot output element */
2074 ret
= mi_lttng_writer_close_element(writer
);
2081 int mi_lttng_snapshot_del_output(struct mi_writer
*writer
, int id
,
2082 const char *name
, const char *current_session_name
)
2086 /* Open element del_snapshot */
2087 ret
= mi_lttng_writer_open_element(writer
,
2088 mi_lttng_element_command_snapshot
);
2094 if (id
!= UINT32_MAX
) {
2095 /* "Snapshot output "id" successfully deleted
2096 * for "current_session_name"
2097 * ID of the snapshot output
2099 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
2100 mi_lttng_element_id
, id
);
2105 /* "Snapshot output "name" successfully deleted
2106 * for session "current_session_name"
2107 * Name of the output
2109 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
2116 /* Snapshot was deleted for session "current_session_name"*/
2117 ret
= mi_lttng_writer_write_element_string(writer
,
2118 mi_lttng_element_snapshot_session_name
,
2119 current_session_name
);
2124 /* Close snapshot element */
2125 ret
= mi_lttng_writer_close_element(writer
);
2132 int mi_lttng_snapshot_add_output(struct mi_writer
*writer
,
2133 const char *current_session_name
, const char *n_ptr
,
2134 struct lttng_snapshot_output
*output
)
2138 /* Open element snapshot */
2139 ret
= mi_lttng_writer_open_element(writer
,
2140 mi_lttng_element_command_snapshot
);
2145 /* Snapshot output id */
2146 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
2147 mi_lttng_element_id
, output
->id
);
2152 /* Snapshot output names */
2153 ret
= mi_lttng_writer_write_element_string(writer
,
2154 config_element_name
, n_ptr
);
2159 /* Destination of the output (ctrl_url)*/
2160 ret
= mi_lttng_writer_write_element_string(writer
,
2161 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
2166 /* Snapshot added for session "current_session_name"*/
2167 ret
= mi_lttng_writer_write_element_string(writer
,
2168 mi_lttng_element_snapshot_session_name
, current_session_name
);
2173 /* total size of all stream combined */
2174 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
2175 mi_lttng_element_snapshot_max_size
, output
->max_size
);
2180 /* Close snapshot element */
2181 ret
= mi_lttng_writer_close_element(writer
);
2188 int mi_lttng_snapshot_record(struct mi_writer
*writer
,
2189 const char *current_session_name
, const char *url
,
2190 const char *cmdline_ctrl_url
, const char *cmdline_data_url
)
2194 /* Open element snapshot */
2195 ret
= mi_lttng_writer_open_element(writer
,
2196 mi_lttng_element_command_snapshot
);
2202 * If a valid an URL was given, serialize it,
2203 * else take the command line data and ctrl urls*/
2205 /* Destination of the output (ctrl_url)*/
2206 ret
= mi_lttng_writer_write_element_string(writer
,
2207 mi_lttng_element_snapshot_ctrl_url
, url
);
2211 } else if (cmdline_ctrl_url
) {
2212 /* Destination of the output (ctrl_url)*/
2213 ret
= mi_lttng_writer_write_element_string(writer
,
2214 mi_lttng_element_snapshot_ctrl_url
, cmdline_ctrl_url
);
2219 /* Destination of the output (data_url) */
2220 ret
= mi_lttng_writer_write_element_string(writer
,
2221 mi_lttng_element_snapshot_data_url
, cmdline_data_url
);
2227 /* Close record_snapshot element */
2228 ret
= mi_lttng_writer_close_element(writer
);
2235 int mi_lttng_rotation_schedule(struct mi_writer
*writer
,
2236 const struct lttng_rotation_schedule
*schedule
)
2239 enum lttng_rotation_status status
;
2241 const char *element_name
;
2242 const char *value_name
;
2243 bool empty_schedule
= false;
2245 switch (lttng_rotation_schedule_get_type(schedule
)) {
2246 case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC
:
2247 status
= lttng_rotation_schedule_periodic_get_period(schedule
,
2249 element_name
= mi_lttng_element_rotation_schedule_periodic
;
2250 value_name
= mi_lttng_element_rotation_schedule_periodic_time_us
;
2252 case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD
:
2253 status
= lttng_rotation_schedule_size_threshold_get_threshold(
2255 element_name
= mi_lttng_element_rotation_schedule_size_threshold
;
2256 value_name
= mi_lttng_element_rotation_schedule_size_threshold_bytes
;
2263 if (status
!= LTTNG_ROTATION_STATUS_OK
) {
2264 if (status
== LTTNG_ROTATION_STATUS_UNAVAILABLE
) {
2265 empty_schedule
= true;
2272 ret
= mi_lttng_writer_open_element(writer
, element_name
);
2277 if (!empty_schedule
) {
2278 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
2285 /* Close schedule descriptor element. */
2286 ret
= mi_lttng_writer_close_element(writer
);
2295 int mi_lttng_rotation_schedule_result(struct mi_writer
*writer
,
2296 const struct lttng_rotation_schedule
*schedule
,
2301 ret
= mi_lttng_writer_open_element(writer
,
2302 mi_lttng_element_rotation_schedule_result
);
2307 ret
= mi_lttng_writer_open_element(writer
,
2308 mi_lttng_element_rotation_schedule
);
2313 ret
= mi_lttng_rotation_schedule(writer
, schedule
);
2318 /* Close rotation_schedule element */
2319 ret
= mi_lttng_writer_close_element(writer
);
2324 ret
= mi_lttng_writer_write_element_bool(writer
,
2325 mi_lttng_element_command_success
, success
);
2330 /* Close rotation_schedule_result element */
2331 ret
= mi_lttng_writer_close_element(writer
);
2340 int mi_lttng_location(struct mi_writer
*writer
,
2341 const struct lttng_trace_archive_location
*location
)
2344 enum lttng_trace_archive_location_type location_type
;
2345 enum lttng_trace_archive_location_status status
;
2347 location_type
= lttng_trace_archive_location_get_type(location
);
2349 switch (location_type
) {
2350 case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL
:
2352 const char *absolute_path
;
2354 status
= lttng_trace_archive_location_local_get_absolute_path(
2355 location
, &absolute_path
);
2356 if (status
!= LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK
) {
2361 ret
= mi_lttng_writer_open_element(writer
,
2362 mi_lttng_element_rotation_location_local
);
2368 ret
= mi_lttng_writer_write_element_string(writer
,
2369 mi_lttng_element_rotation_location_local_absolute_path
,
2375 /* Close local element */
2376 ret
= mi_lttng_writer_close_element(writer
);
2382 case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY
:
2384 uint16_t control_port
, data_port
;
2385 const char *host
, *relative_path
;
2386 enum lttng_trace_archive_location_relay_protocol_type protocol
;
2388 /* Fetch all relay location parameters. */
2389 status
= lttng_trace_archive_location_relay_get_protocol_type(
2390 location
, &protocol
);
2391 if (status
!= LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK
) {
2396 status
= lttng_trace_archive_location_relay_get_host(
2398 if (status
!= LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK
) {
2403 status
= lttng_trace_archive_location_relay_get_control_port(
2404 location
, &control_port
);
2405 if (status
!= LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK
) {
2410 status
= lttng_trace_archive_location_relay_get_data_port(
2411 location
, &data_port
);
2412 if (status
!= LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK
) {
2417 status
= lttng_trace_archive_location_relay_get_relative_path(
2418 location
, &relative_path
);
2419 if (status
!= LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK
) {
2424 ret
= mi_lttng_writer_open_element(writer
,
2425 mi_lttng_element_rotation_location_relay
);
2430 ret
= mi_lttng_writer_write_element_string(writer
,
2431 mi_lttng_element_rotation_location_relay_host
,
2437 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
2438 mi_lttng_element_rotation_location_relay_control_port
,
2444 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
2445 mi_lttng_element_rotation_location_relay_data_port
,
2451 ret
= mi_lttng_writer_write_element_string(writer
,
2452 mi_lttng_element_rotation_location_relay_protocol
,
2453 mi_lttng_trace_archive_location_relay_protocol_type_string(protocol
));
2458 ret
= mi_lttng_writer_write_element_string(writer
,
2459 mi_lttng_element_rotation_location_relay_relative_path
,
2465 /* Close relay element */
2466 ret
= mi_lttng_writer_close_element(writer
);
2480 int mi_lttng_rotate(struct mi_writer
*writer
,
2481 const char *session_name
,
2482 enum lttng_rotation_state rotation_state
,
2483 const struct lttng_trace_archive_location
*location
)
2487 ret
= mi_lttng_writer_open_element(writer
,
2488 mi_lttng_element_rotation
);
2493 ret
= mi_lttng_writer_write_element_string(writer
,
2494 mi_lttng_element_session_name
,
2500 ret
= mi_lttng_writer_write_element_string(writer
,
2501 mi_lttng_element_rotation_state
,
2502 mi_lttng_rotation_state_string(rotation_state
));
2508 /* Not a serialization error. */
2509 goto close_rotation
;
2512 ret
= mi_lttng_writer_open_element(writer
,
2513 mi_lttng_element_rotation_location
);
2518 ret
= mi_lttng_location(writer
, location
);
2520 goto close_location
;
2524 /* Close location element */
2525 ret
= mi_lttng_writer_close_element(writer
);
2531 /* Close rotation element */
2532 ret
= mi_lttng_writer_close_element(writer
);