2 * Copyright (C) 2014 - Jonathan Rajotte <jonathan.r.julien@gmail.com>
3 * - Olivier Cotte <olivier.cotte@polymtl.ca>
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License, version 2 only, as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 51
16 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #include <include/config.h>
21 #include <common/config/config.h>
22 #include <lttng/snapshot-internal.h>
27 /* Strings related to command */
28 const char * const mi_lttng_element_command
= "command";
29 const char * const mi_lttng_element_command_name
= "name";
30 const char * const mi_lttng_element_command_version
= "version";
31 const char * const mi_lttng_element_command_enable_event
= "enable-event";
32 const char * const mi_lttng_element_command_list
= "list";
33 const char * const mi_lttng_element_command_save
= "save";
34 const char * const mi_lttng_element_command_load
= "load";
35 const char * const mi_lttng_element_command_start
= "start";
36 const char * const mi_lttng_element_command_stop
= "stop";
37 const char * const mi_lttng_element_command_create
= "create";
38 const char * const mi_lttng_element_command_destroy
= "destroy";
39 const char * const mi_lttng_element_command_calibrate
= "calibrate";
40 const char * const mi_lttng_element_command_add_context
= "add-context";
41 const char * const mi_lttng_element_command_enable_channels
= "enable-channel";
42 const char * const mi_lttng_element_command_set_session
= "set-session";
43 const char * const mi_lttng_element_command_disable_event
= "disable-event";
44 const char * const mi_lttng_element_command_disable_channel
= "disable-channel";
45 const char * const mi_lttng_element_command_action
= "snapshot_action";
46 const char * const mi_lttng_element_command_output
= "output";
47 const char * const mi_lttng_element_command_success
= "success";
49 /* Strings related to version command */
50 const char * const mi_lttng_element_version
= "version";
51 const char * const mi_lttng_element_version_str
= "string";
52 const char * const mi_lttng_element_version_web
= "url";
53 const char * const mi_lttng_element_version_major
= "major";
54 const char * const mi_lttng_element_version_minor
= "minor";
55 const char * const mi_lttng_element_version_commit
= "commit";
56 const char * const mi_lttng_element_version_license
= "license";
57 const char * const mi_lttng_element_version_patch_level
= "patchLevel";
58 const char * const mi_lttng_element_version_description
= "description";
59 const char * const mi_lttng_element_command_snapshot
= "snapshot";
60 const char * const mi_lttng_element_command_list_snapshot
= "list_snapshot";
61 const char * const mi_lttng_element_command_del_snapshot
= "del_snapshot";
62 const char * const mi_lttng_element_command_add_snapshot
= "add_snapshot";
63 const char * const mi_lttng_element_command_record_snapshot
= "record_snapshot";
65 /* Strings related to pid */
66 const char * const mi_lttng_element_pids
= "pids";
67 const char * const mi_lttng_element_pid
= "pid";
69 /* Strings related to save command */
70 const char * const mi_lttng_element_save
= "save";
72 /* Strings related to load command */
73 const char * const mi_lttng_element_load
= "load";
75 /* String related to a lttng_event_field */
76 const char * const mi_lttng_element_event_field
= "event_field";
77 const char * const mi_lttng_element_event_fields
= "event_fields";
79 /* String related to lttng_event_context */
80 const char * const mi_lttng_context_type_perf_counter
= "PERF_COUNTER";
81 const char * const mi_lttng_context_type_perf_cpu_counter
= "PERF_CPU_COUNTER";
82 const char * const mi_lttng_context_type_perf_thread_counter
= "PERF_THREAD_COUNTER";
84 /* String related to lttng_event_perf_counter_ctx */
85 const char * const mi_lttng_element_perf_counter_context
= "perf_counter_context";
87 /* General elements of mi_lttng */
88 const char * const mi_lttng_element_type_other
= "OTHER";
89 const char * const mi_lttng_element_type_integer
= "INTEGER";
90 const char * const mi_lttng_element_type_enum
= "ENUM";
91 const char * const mi_lttng_element_type_float
= "FLOAT";
92 const char * const mi_lttng_element_type_string
= "STRING";
93 const char * const mi_lttng_element_nowrite
= "nowrite";
94 const char * const mi_lttng_element_success
= "success";
95 const char * const mi_lttng_element_id
= "id";
96 const char * const mi_lttng_element_empty
= "";
98 /* String related to loglevel */
99 const char * const mi_lttng_loglevel_str_alert
= "TRACE_ALERT";
100 const char * const mi_lttng_loglevel_str_crit
= "TRACE_CRIT";
101 const char * const mi_lttng_loglevel_str_debug
= "TRACE_DEBUG";
102 const char * const mi_lttng_loglevel_str_debug_function
= "TRACE_DEBUG_FUNCTION";
103 const char * const mi_lttng_loglevel_str_debug_line
= "TRACE_DEBUG_LINE";
104 const char * const mi_lttng_loglevel_str_debug_module
= "TRACE_DEBUG_MODULE";
105 const char * const mi_lttng_loglevel_str_debug_process
= "TRACE_DEBUG_PROCESS";
106 const char * const mi_lttng_loglevel_str_debug_program
= "TRACE_DEBUG_PROGRAM";
107 const char * const mi_lttng_loglevel_str_debug_system
= "TRACE_DEBUG_SYSTEM";
108 const char * const mi_lttng_loglevel_str_debug_unit
= "TRACE_DEBUG_UNIT";
109 const char * const mi_lttng_loglevel_str_emerg
= "TRACE_EMERG";
110 const char * const mi_lttng_loglevel_str_err
= "TRACE_ERR";
111 const char * const mi_lttng_loglevel_str_info
= "TRACE_INFO";
112 const char * const mi_lttng_loglevel_str_notice
= "TRACE_NOTICE";
113 const char * const mi_lttng_loglevel_str_unknown
= "UNKNOWN";
114 const char * const mi_lttng_loglevel_str_warning
= "TRACE_WARNING";
116 /* String related to loglevel type */
117 const char * const mi_lttng_loglevel_type_all
= "ALL";
118 const char * const mi_lttng_loglevel_type_range
= "RANGE";
119 const char * const mi_lttng_loglevel_type_single
= "SINGLE";
120 const char * const mi_lttng_loglevel_type_unknown
= "UNKNOWN";
122 /* String related to lttng_calibrate */
123 const char * const mi_lttng_element_calibrate
= "calibrate";
124 const char * const mi_lttng_element_calibrate_function
= "FUNCTION";
126 /* String related to a lttng_snapshot_output */
127 const char * const mi_lttng_element_snapshots
= "snapshots";
128 const char * const mi_lttng_element_snapshot_session_name
= "session_name";
129 const char * const mi_lttng_element_snapshot_n_ptr
= "n_ptr";
130 const char * const mi_lttng_element_snapshot_data_url
= "data_url";
131 const char * const mi_lttng_element_snapshot_ctrl_url
= "ctrl_url";
132 const char * const mi_lttng_element_snapshot_max_size
= "max_size";
134 const char *mi_lttng_loglevel_string(int value
)
138 return mi_lttng_element_empty
;
139 case LTTNG_LOGLEVEL_EMERG
:
140 return mi_lttng_loglevel_str_emerg
;
141 case LTTNG_LOGLEVEL_ALERT
:
142 return mi_lttng_loglevel_str_alert
;
143 case LTTNG_LOGLEVEL_CRIT
:
144 return mi_lttng_loglevel_str_crit
;
145 case LTTNG_LOGLEVEL_ERR
:
146 return mi_lttng_loglevel_str_err
;
147 case LTTNG_LOGLEVEL_WARNING
:
148 return mi_lttng_loglevel_str_warning
;
149 case LTTNG_LOGLEVEL_NOTICE
:
150 return mi_lttng_loglevel_str_notice
;
151 case LTTNG_LOGLEVEL_INFO
:
152 return mi_lttng_loglevel_str_info
;
153 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
154 return mi_lttng_loglevel_str_debug_system
;
155 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
156 return mi_lttng_loglevel_str_debug_program
;
157 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
158 return mi_lttng_loglevel_str_debug_process
;
159 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
160 return mi_lttng_loglevel_str_debug_module
;
161 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
162 return mi_lttng_loglevel_str_debug_unit
;
163 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
164 return mi_lttng_loglevel_str_debug_function
;
165 case LTTNG_LOGLEVEL_DEBUG_LINE
:
166 return mi_lttng_loglevel_str_debug_line
;
167 case LTTNG_LOGLEVEL_DEBUG
:
168 return mi_lttng_loglevel_str_debug
;
170 return mi_lttng_loglevel_str_unknown
;
174 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
177 case LTTNG_EVENT_LOGLEVEL_ALL
:
178 return mi_lttng_loglevel_type_all
;
179 case LTTNG_EVENT_LOGLEVEL_RANGE
:
180 return mi_lttng_loglevel_type_range
;
181 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
182 return mi_lttng_loglevel_type_single
;
184 return mi_lttng_loglevel_type_unknown
;
188 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
191 case LTTNG_EVENT_ALL
:
192 return config_event_type_all
;
193 case LTTNG_EVENT_TRACEPOINT
:
194 return config_event_type_tracepoint
;
195 case LTTNG_EVENT_PROBE
:
196 return config_event_type_probe
;
197 case LTTNG_EVENT_FUNCTION
:
198 return config_event_type_function
;
199 case LTTNG_EVENT_FUNCTION_ENTRY
:
200 return config_event_type_function_entry
;
201 case LTTNG_EVENT_SYSCALL
:
202 return config_event_type_syscall
;
203 case LTTNG_EVENT_NOOP
:
204 return config_event_type_noop
;
206 return mi_lttng_element_empty
;
210 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
213 case LTTNG_EVENT_CONTEXT_PID
:
214 return config_event_context_pid
;
215 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
216 return mi_lttng_context_type_perf_counter
;
217 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
218 return mi_lttng_context_type_perf_thread_counter
;
219 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
220 return mi_lttng_context_type_perf_cpu_counter
;
221 case LTTNG_EVENT_CONTEXT_PROCNAME
:
222 return config_event_context_procname
;
223 case LTTNG_EVENT_CONTEXT_PRIO
:
224 return config_event_context_prio
;
225 case LTTNG_EVENT_CONTEXT_NICE
:
226 return config_event_context_nice
;
227 case LTTNG_EVENT_CONTEXT_VPID
:
228 return config_event_context_vpid
;
229 case LTTNG_EVENT_CONTEXT_TID
:
230 return config_event_context_tid
;
231 case LTTNG_EVENT_CONTEXT_VTID
:
232 return config_event_context_vtid
;
233 case LTTNG_EVENT_CONTEXT_PPID
:
234 return config_event_context_ppid
;
235 case LTTNG_EVENT_CONTEXT_VPPID
:
236 return config_event_context_vppid
;
237 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
238 return config_event_context_pthread_id
;
239 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
240 return config_event_context_hostname
;
241 case LTTNG_EVENT_CONTEXT_IP
:
242 return config_event_context_ip
;
248 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
251 case(LTTNG_EVENT_FIELD_INTEGER
):
252 return mi_lttng_element_type_integer
;
253 case(LTTNG_EVENT_FIELD_ENUM
):
254 return mi_lttng_element_type_enum
;
255 case(LTTNG_EVENT_FIELD_FLOAT
):
256 return mi_lttng_element_type_float
;
257 case(LTTNG_EVENT_FIELD_STRING
):
258 return mi_lttng_element_type_string
;
260 return mi_lttng_element_type_other
;
264 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
266 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
268 case LTTNG_DOMAIN_KERNEL
:
269 return config_domain_type_kernel
;
270 case LTTNG_DOMAIN_UST
:
271 return config_domain_type_ust
;
272 case LTTNG_DOMAIN_JUL
:
273 return config_domain_type_jul
;
275 /* Should not have an unknown domain */
280 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
283 case LTTNG_BUFFER_PER_PID
:
284 return config_buffer_type_per_pid
;
285 case LTTNG_BUFFER_PER_UID
:
286 return config_buffer_type_per_uid
;
287 case LTTNG_BUFFER_GLOBAL
:
288 return config_buffer_type_global
;
290 /* Should not have an unknow buffer type */
295 const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val
)
300 case LTTNG_CALIBRATE_FUNCTION
:
301 ret
= mi_lttng_element_calibrate_function
;
304 ret
= mi_lttng_element_empty
;
311 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
313 struct mi_writer
*mi_writer
;
315 mi_writer
= zmalloc(sizeof(struct mi_writer
));
317 PERROR("zmalloc mi_writer_create");
320 if (mi_output_type
== LTTNG_MI_XML
) {
321 mi_writer
->writer
= config_writer_create(fd_output
);
322 if (!mi_writer
->writer
) {
325 mi_writer
->type
= LTTNG_MI_XML
;
339 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
348 ret
= config_writer_destroy(writer
->writer
);
359 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
363 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_command
);
367 ret
= mi_lttng_writer_write_element_string(writer
,
368 mi_lttng_element_command_name
, command
);
374 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
376 return mi_lttng_writer_close_element(writer
);
380 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
381 const char *element_name
)
383 return config_writer_open_element(writer
->writer
, element_name
);
387 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
389 return config_writer_close_element(writer
->writer
);
393 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
394 unsigned int nb_element
)
398 if (nb_element
< 1) {
402 for (i
= 0; i
< nb_element
; i
++) {
403 ret
= mi_lttng_writer_close_element(writer
);
413 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
414 const char *element_name
, uint64_t value
)
416 return config_writer_write_element_unsigned_int(writer
->writer
,
417 element_name
, value
);
421 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
422 const char *element_name
, int64_t value
)
424 return config_writer_write_element_signed_int(writer
->writer
,
425 element_name
, value
);
429 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
430 const char *element_name
, int value
)
432 return config_writer_write_element_bool(writer
->writer
,
433 element_name
, value
);
437 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
438 const char *element_name
, const char *value
)
440 return config_writer_write_element_string(writer
->writer
,
441 element_name
, value
);
445 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
446 const char *lttng_description
, const char *lttng_license
)
451 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
456 /* Version string (contain info like rc etc.) */
457 ret
= mi_lttng_writer_write_element_string(writer
,
458 mi_lttng_element_version_str
, VERSION
);
463 /* Major version number */
464 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
465 mi_lttng_element_version_major
, version
->version_major
);
470 /* Minor version number */
471 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
472 mi_lttng_element_version_minor
, version
->version_minor
);
477 /* Commit version number */
478 ret
= mi_lttng_writer_write_element_string(writer
,
479 mi_lttng_element_version_commit
, version
->version_commit
);
485 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
486 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
491 /* Name of the version */
492 ret
= mi_lttng_writer_write_element_string(writer
,
493 config_element_name
, version
->version_name
);
498 /* Description mostly related to beer... */
499 ret
= mi_lttng_writer_write_element_string(writer
,
500 mi_lttng_element_version_description
, lttng_description
);
506 ret
= mi_lttng_writer_write_element_string(writer
,
507 mi_lttng_element_version_web
, version
->package_url
);
512 /* License: free as in free beer...no...*speech* */
513 ret
= mi_lttng_writer_write_element_string(writer
,
514 mi_lttng_element_version_license
, lttng_license
);
519 /* Close version element */
520 ret
= mi_lttng_writer_close_element(writer
);
527 int mi_lttng_sessions_open(struct mi_writer
*writer
)
529 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
533 int mi_lttng_session(struct mi_writer
*writer
,
534 struct lttng_session
*session
, int is_open
)
540 /* Open sessions element */
541 ret
= mi_lttng_writer_open_element(writer
,
542 config_element_session
);
547 /* Name of the session */
548 ret
= mi_lttng_writer_write_element_string(writer
,
549 config_element_name
, session
->name
);
555 ret
= mi_lttng_writer_write_element_string(writer
,
556 config_element_path
, session
->path
);
562 ret
= mi_lttng_writer_write_element_bool(writer
,
563 config_element_enabled
, session
->enabled
);
569 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
570 config_element_snapshot_mode
, session
->snapshot_mode
);
575 /* Live timer interval in usec */
576 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
577 config_element_live_timer_interval
,
578 session
->live_timer_interval
);
584 /* Closing session element */
585 ret
= mi_lttng_writer_close_element(writer
);
593 int mi_lttng_domains_open(struct mi_writer
*writer
)
595 return mi_lttng_writer_open_element(writer
, config_element_domains
);
599 int mi_lttng_domain(struct mi_writer
*writer
,
600 struct lttng_domain
*domain
, int is_open
)
603 const char *str_domain
;
604 const char *str_buffer
;
608 /* Open domain element */
609 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
615 str_domain
= mi_lttng_domaintype_string(domain
->type
);
616 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
623 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
624 ret
= mi_lttng_writer_write_element_string(writer
,
625 config_element_buffer_type
, str_buffer
);
630 /* TODO: attr... not sure how to use the union.... */
633 /* Closing domain element */
634 ret
= mi_lttng_writer_close_element(writer
);
643 int mi_lttng_channels_open(struct mi_writer
*writer
)
645 return mi_lttng_writer_open_element(writer
, config_element_channels
);
649 int mi_lttng_channel(struct mi_writer
*writer
,
650 struct lttng_channel
*channel
, int is_open
)
656 /* Opening channel element */
657 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
663 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
670 ret
= mi_lttng_writer_write_element_bool(writer
,
671 config_element_enabled
, channel
->enabled
);
677 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
683 /* Closing channel element */
684 ret
= mi_lttng_writer_close_element(writer
);
694 int mi_lttng_channel_attr(struct mi_writer
*writer
,
695 struct lttng_channel_attr
*attr
)
701 /* Opening Attributes */
702 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
708 ret
= mi_lttng_writer_write_element_string(writer
,
709 config_element_overwrite_mode
,
710 attr
->overwrite
? config_overwrite_mode_overwrite
:
711 config_overwrite_mode_discard
);
716 /* Sub buffer size in byte */
717 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
718 config_element_subbuf_size
, attr
->subbuf_size
);
723 /* Number of subbuffer (power of two) */
724 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
725 config_element_num_subbuf
,
731 /* Switch timer interval in usec */
732 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
733 config_element_switch_timer_interval
,
734 attr
->switch_timer_interval
);
739 /* Read timer interval in usec */
740 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
741 config_element_read_timer_interval
,
742 attr
->read_timer_interval
);
748 ret
= mi_lttng_writer_write_element_string(writer
,
749 config_element_output_type
,
750 attr
->output
== LTTNG_EVENT_SPLICE
?
751 config_output_type_splice
: config_output_type_mmap
);
756 /* Tracefile size in bytes */
757 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
758 config_element_tracefile_size
, attr
->tracefile_size
);
763 /* Count of tracefiles */
764 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
765 config_element_tracefile_count
,
766 attr
->tracefile_count
);
771 /* Live timer interval in usec*/
772 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
773 config_element_live_timer_interval
,
774 attr
->live_timer_interval
);
779 /* Closing attributes */
780 ret
= mi_lttng_writer_close_element(writer
);
790 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
791 struct lttng_event
*event
)
795 /* Open event element */
796 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
802 ret
= mi_lttng_writer_write_element_string(writer
,
803 config_element_name
, event
->name
);
809 ret
= mi_lttng_writer_write_element_string(writer
,
810 config_element_type
, mi_lttng_eventtype_string(event
->type
));
815 /* is event enabled */
816 ret
= mi_lttng_writer_write_element_bool(writer
,
817 config_element_enabled
, event
->enabled
);
822 /* event filter enabled? */
823 ret
= mi_lttng_writer_write_element_bool(writer
,
824 config_element_filter
, event
->filter
);
831 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
832 struct lttng_event
*event
)
837 ret
= mi_lttng_writer_write_element_string(writer
,
838 config_element_loglevel
, mi_lttng_loglevel_string(event
->loglevel
));
843 ret
= mi_lttng_writer_write_element_string(writer
,
844 config_element_loglevel_type
,
845 mi_lttng_logleveltype_string(event
->loglevel_type
));
850 /* event exclusion filter */
851 ret
= mi_lttng_writer_write_element_bool(writer
,
852 config_element_exclusion
, event
->exclusion
);
862 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
863 struct lttng_event
*event
)
865 /* event exclusion filter */
866 return mi_lttng_writer_write_element_bool(writer
,
867 config_element_exclusion
, event
->exclusion
);
871 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
872 struct lttng_event
*event
)
876 if (event
->attr
.probe
.addr
!= 0) {
877 /* event probe address */
878 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
879 config_element_address
, event
->attr
.probe
.addr
);
884 /* event probe offset */
885 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
886 config_element_offset
, event
->attr
.probe
.offset
);
891 /* event probe symbol_name */
892 ret
= mi_lttng_writer_write_element_string(writer
,
893 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
903 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
904 struct lttng_event
*event
)
906 /* event probe symbol_name */
907 return mi_lttng_writer_write_element_string(writer
,
908 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
912 int mi_lttng_events_open(struct mi_writer
*writer
)
914 return mi_lttng_writer_open_element(writer
, config_element_events
);
918 int mi_lttng_event(struct mi_writer
*writer
,
919 struct lttng_event
*event
, int is_open
)
923 ret
= mi_lttng_event_common_attributes(writer
, event
);
928 switch (event
->type
) {
929 case LTTNG_EVENT_TRACEPOINT
:
931 if (event
->loglevel
!= -1) {
932 ret
= mi_lttng_event_tracepoint_loglevel(writer
, event
);
934 ret
= mi_lttng_event_tracepoint_no_loglevel(writer
, event
);
938 case LTTNG_EVENT_PROBE
:
939 ret
= mi_lttng_event_function_probe(writer
, event
);
941 case LTTNG_EVENT_FUNCTION_ENTRY
:
942 ret
= mi_lttng_event_function_entry(writer
, event
);
944 case LTTNG_EVENT_ALL
:
951 ret
= mi_lttng_writer_close_element(writer
);
959 int mi_lttng_pids_open(struct mi_writer
*writer
)
961 return mi_lttng_writer_open_element(writer
, mi_lttng_element_pids
);
965 int mi_lttng_pid(struct mi_writer
*writer
, pid_t pid
, const char *cmdline
,
970 /* Open element pid */
971 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_pid
);
976 /* Writing pid number */
977 ret
= mi_lttng_writer_write_element_signed_int(writer
,
978 mi_lttng_element_pid_id
, (int)pid
);
983 /* Writing name of the process */
984 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
992 ret
= mi_lttng_writer_close_element(writer
);
1000 int mi_lttng_event_fields_open(struct mi_writer
*writer
)
1002 return mi_lttng_writer_open_element(writer
, mi_lttng_element_event_fields
);
1006 int mi_lttng_event_field(struct mi_writer
*writer
,
1007 struct lttng_event_field
*field
)
1011 if (!field
->field_name
[0]) {
1012 /* To Review: not sure if legal david ?
1013 * how should this be handle ?
1020 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_event_field
);
1025 if (!field
->field_name
[0]) {
1030 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1037 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1038 mi_lttng_eventfieldtype_string(field
->type
));
1044 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1045 mi_lttng_element_nowrite
, field
->nowrite
);
1051 /* Close field element */
1052 ret
= mi_lttng_writer_close_element(writer
);
1059 int mi_lttng_calibrate(struct mi_writer
*writer
,
1060 struct lttng_calibrate
*calibrate
)
1064 /* Open calibrate element */
1065 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_calibrate
);
1070 /* Calibration type */
1071 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1072 mi_lttng_calibratetype_string(calibrate
->type
));
1077 /* Closing calibrate element */
1078 ret
= mi_lttng_writer_close_element(writer
);
1083 int mi_lttng_context(struct mi_writer
*writer
,
1084 struct lttng_event_context
*context
, int is_open
)
1087 const char *type_string
;
1088 struct lttng_event_perf_counter_ctx
*perf_context
;
1090 ret
= mi_lttng_writer_open_element(writer
, config_element_context
);
1095 type_string
= mi_lttng_event_contexttype_string(context
->ctx
);
1097 ret
= -LTTNG_ERR_INVALID
;
1101 /* Print context type */
1102 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1105 /* Special case for PERF_*_COUNTER
1106 * print the lttng_event_perf_counter_ctx*/
1107 switch (context
->ctx
) {
1108 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
1109 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
1110 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
1111 perf_context
= &context
->u
.perf_counter
;
1112 ret
= mi_lttng_perf_counter_context(writer
, perf_context
);
1123 ret
= mi_lttng_writer_close_element(writer
);
1131 int mi_lttng_perf_counter_context(struct mi_writer
*writer
,
1132 struct lttng_event_perf_counter_ctx
*perf_context
)
1136 /* Open perf_counter_context */
1137 ret
= mi_lttng_writer_open_element(writer
,
1138 mi_lttng_element_perf_counter_context
);
1144 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1145 config_element_type
, perf_context
->type
);
1151 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1152 config_element_config
, perf_context
->config
);
1157 /* Name of the perf counter */
1158 ret
= mi_lttng_writer_write_element_string(writer
,
1159 config_element_name
, perf_context
->name
);
1164 /* Close perf_counter_context */
1165 ret
= mi_lttng_writer_close_element(writer
);
1171 int mi_lttng_snapshot_output_session_name(struct mi_writer
*writer
,
1172 const char *session_name
)
1176 /* Open session element */
1177 ret
= mi_lttng_writer_open_element(writer
, config_element_session
);
1182 /* Snapshot output list for current session name */
1183 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1186 /* Open element snapshots (sequence one snapshot) */
1187 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_snapshots
);
1197 int mi_lttng_snapshot_list_output(struct mi_writer
*writer
,
1198 struct lttng_snapshot_output
*output
)
1202 /* Open element snapshot output */
1203 ret
= mi_lttng_writer_open_element(writer
,
1204 mi_lttng_element_command_snapshot
);
1209 /* ID of the snapshot output */
1210 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1211 mi_lttng_element_id
, output
->id
);
1216 /* Name of the output */
1217 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1223 /* Destination of the output (ctrl_url)*/
1224 ret
= mi_lttng_writer_write_element_string(writer
,
1225 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1230 /* Destination of the output (data_url) */
1231 ret
= mi_lttng_writer_write_element_string(writer
,
1232 mi_lttng_element_snapshot_data_url
, output
->data_url
);
1237 /* total size of all stream combined */
1238 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1239 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1244 /* Close snapshot output element */
1245 ret
= mi_lttng_writer_close_element(writer
);
1252 int mi_lttng_snapshot_del_output(struct mi_writer
*writer
, int id
,
1253 const char *name
, const char *current_session_name
)
1257 /* Open element del_snapshot */
1258 ret
= mi_lttng_writer_open_element(writer
,
1259 mi_lttng_element_command_snapshot
);
1265 if (id
!= UINT32_MAX
) {
1266 /* "Snapshot output "id" successfully deleted
1267 * for "current_session_name"
1268 * ID of the snapshot output
1270 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1271 mi_lttng_element_id
, id
);
1276 /* "Snapshot output "name" successfully deleted
1277 * for session "current_session_name"
1278 * Name of the output
1280 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1287 /* Snapshot was deleted for session "current_session_name"*/
1288 ret
= mi_lttng_writer_write_element_string(writer
,
1289 mi_lttng_element_snapshot_session_name
,
1290 current_session_name
);
1295 /* Close snapshot element */
1296 ret
= mi_lttng_writer_close_element(writer
);
1303 int mi_lttng_snapshot_add_output(struct mi_writer
*writer
,
1304 const char *current_session_name
, const char *n_ptr
,
1305 struct lttng_snapshot_output
*output
)
1309 /* Open element snapshot */
1310 ret
= mi_lttng_writer_open_element(writer
,
1311 mi_lttng_element_command_snapshot
);
1316 /* Snapshot output id */
1317 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1318 mi_lttng_element_id
, output
->id
);
1323 /* Snapshot output names */
1324 ret
= mi_lttng_writer_write_element_string(writer
,
1325 config_element_name
, n_ptr
);
1330 /* Destination of the output (ctrl_url)*/
1331 ret
= mi_lttng_writer_write_element_string(writer
,
1332 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1337 /* Snapshot added for session "current_session_name"*/
1338 ret
= mi_lttng_writer_write_element_string(writer
,
1339 mi_lttng_element_snapshot_session_name
, current_session_name
);
1344 /* total size of all stream combined */
1345 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1346 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1351 /* Close snapshot element */
1352 ret
= mi_lttng_writer_close_element(writer
);
1359 int mi_lttng_snapshot_record(struct mi_writer
*writer
,
1360 const char *current_session_name
, const char *url
,
1361 const char *cmdline_ctrl_url
, const char *cmdline_data_url
)
1365 /* Open element snapshot */
1366 ret
= mi_lttng_writer_open_element(writer
,
1367 mi_lttng_element_command_snapshot
);
1373 * If a valid an URL was given, serialize it,
1374 * else take the command line data and ctrl urls*/
1376 /* Destination of the output (ctrl_url)*/
1377 ret
= mi_lttng_writer_write_element_string(writer
,
1378 mi_lttng_element_snapshot_ctrl_url
, url
);
1382 } else if (cmdline_ctrl_url
) {
1383 /* Destination of the output (ctrl_url)*/
1384 ret
= mi_lttng_writer_write_element_string(writer
,
1385 mi_lttng_element_snapshot_ctrl_url
, cmdline_ctrl_url
);
1390 /* Destination of the output (data_url) */
1391 ret
= mi_lttng_writer_write_element_string(writer
,
1392 mi_lttng_element_snapshot_data_url
, cmdline_data_url
);
1398 /* Close record_snapshot element */
1399 ret
= mi_lttng_writer_close_element(writer
);