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>
26 /* Strings related to command */
27 const char * const mi_lttng_element_command
= "command";
28 const char * const mi_lttng_element_command_name
= "name";
29 const char * const mi_lttng_element_command_version
= "version";
30 const char * const mi_lttng_element_command_list
= "list";
31 const char * const mi_lttng_element_command_save
= "save";
32 const char * const mi_lttng_element_command_load
= "load";
33 const char * const mi_lttng_element_command_start
= "start";
34 const char * const mi_lttng_element_command_stop
= "stop";
35 const char * const mi_lttng_element_command_create
= "create";
36 const char * const mi_lttng_element_command_destroy
= "destroy";
37 const char * const mi_lttng_element_command_calibrate
= "calibrate";
38 const char * const mi_lttng_element_command_add_context
= "add-context";
39 const char * const mi_lttng_element_command_enable_channels
= "enable-channel";
40 const char * const mi_lttng_element_command_output
= "output";
41 const char * const mi_lttng_element_command_success
= "success";
43 /* Strings related to version command */
44 const char * const mi_lttng_element_version
= "version";
45 const char * const mi_lttng_element_version_str
= "string";
46 const char * const mi_lttng_element_version_web
= "url";
47 const char * const mi_lttng_element_version_major
= "major";
48 const char * const mi_lttng_element_version_minor
= "minor";
49 const char * const mi_lttng_element_version_commit
= "commit";
50 const char * const mi_lttng_element_version_license
= "license";
51 const char * const mi_lttng_element_version_patch_level
= "patchLevel";
52 const char * const mi_lttng_element_version_description
= "description";
54 /* Strings related to pid */
55 const char * const mi_lttng_element_pids
= "pids";
56 const char * const mi_lttng_element_pid
= "pid";
57 const char * const mi_lttng_element_pid_id
= "id";
59 /* Strings related to save command */
60 const char * const mi_lttng_element_save
= "save";
62 /* Strings related to load command */
63 const char * const mi_lttng_element_load
= "load";
65 /* String related to a lttng_event_field */
66 const char * const mi_lttng_element_event_field
= "event_field";
67 const char * const mi_lttng_element_event_fields
= "event_fields";
69 /* String related to lttng_event_context */
70 const char * const mi_lttng_context_type_perf_counter
= "PERF_COUNTER";
71 const char * const mi_lttng_context_type_perf_cpu_counter
= "PERF_CPU_COUNTER";
72 const char * const mi_lttng_context_type_perf_thread_counter
= "PERF_THREAD_COUNTER";
74 /* String related to lttng_event_perf_counter_ctx */
75 const char * const mi_lttng_element_perf_counter_context
= "perf_counter_context";
77 /* General elements of mi_lttng */
78 const char * const mi_lttng_element_type_other
= "OTHER";
79 const char * const mi_lttng_element_type_integer
= "INTEGER";
80 const char * const mi_lttng_element_type_enum
= "ENUM";
81 const char * const mi_lttng_element_type_float
= "FLOAT";
82 const char * const mi_lttng_element_type_string
= "STRING";
83 const char * const mi_lttng_element_nowrite
= "nowrite";
84 const char * const mi_lttng_element_success
= "success";
86 /* String related to loglevel */
87 const char * const mi_lttng_loglevel_str_alert
= "TRACE_ALERT";
88 const char * const mi_lttng_loglevel_str_crit
= "TRACE_CRIT";
89 const char * const mi_lttng_loglevel_str_debug
= "TRACE_DEBUG";
90 const char * const mi_lttng_loglevel_str_debug_function
= "TRACE_DEBUG_FUNCTION";
91 const char * const mi_lttng_loglevel_str_debug_line
= "TRACE_DEBUG_LINE";
92 const char * const mi_lttng_loglevel_str_debug_module
= "TRACE_DEBUG_MODULE";
93 const char * const mi_lttng_loglevel_str_debug_process
= "TRACE_DEBUG_PROCESS";
94 const char * const mi_lttng_loglevel_str_debug_program
= "TRACE_DEBUG_PROGRAM";
95 const char * const mi_lttng_loglevel_str_debug_system
= "TRACE_DEBUG_SYSTEM";
96 const char * const mi_lttng_loglevel_str_debug_unit
= "TRACE_DEBUG_UNIT";
97 const char * const mi_lttng_loglevel_str_emerg
= "TRACE_EMERG";
98 const char * const mi_lttng_loglevel_str_err
= "TRACE_ERR";
99 const char * const mi_lttng_loglevel_str_info
= "TRACE_INFO";
100 const char * const mi_lttng_loglevel_str_notice
= "TRACE_NOTICE";
101 const char * const mi_lttng_loglevel_str_unknown
= "UNKNOWN";
102 const char * const mi_lttng_loglevel_str_warning
= "TRACE_WARNING";
104 /* String related to loglevel type */
105 const char * const mi_lttng_loglevel_type_all
= "ALL";
106 const char * const mi_lttng_loglevel_type_range
= "RANGE";
107 const char * const mi_lttng_loglevel_type_single
= "SINGLE";
108 const char * const mi_lttng_loglevel_type_unknown
= "UNKNOWN";
110 /* String related to lttng_calibrate */
111 const char * const mi_lttng_element_calibrate
= "calibrate";
112 const char * const mi_lttng_element_calibrate_function
= "FUNCTION";
114 const char * const mi_lttng_element_empty
= "";
116 const char *mi_lttng_loglevel_string(int value
)
120 return mi_lttng_element_empty
;
121 case LTTNG_LOGLEVEL_EMERG
:
122 return mi_lttng_loglevel_str_emerg
;
123 case LTTNG_LOGLEVEL_ALERT
:
124 return mi_lttng_loglevel_str_alert
;
125 case LTTNG_LOGLEVEL_CRIT
:
126 return mi_lttng_loglevel_str_crit
;
127 case LTTNG_LOGLEVEL_ERR
:
128 return mi_lttng_loglevel_str_err
;
129 case LTTNG_LOGLEVEL_WARNING
:
130 return mi_lttng_loglevel_str_warning
;
131 case LTTNG_LOGLEVEL_NOTICE
:
132 return mi_lttng_loglevel_str_notice
;
133 case LTTNG_LOGLEVEL_INFO
:
134 return mi_lttng_loglevel_str_info
;
135 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
136 return mi_lttng_loglevel_str_debug_system
;
137 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
138 return mi_lttng_loglevel_str_debug_program
;
139 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
140 return mi_lttng_loglevel_str_debug_process
;
141 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
142 return mi_lttng_loglevel_str_debug_module
;
143 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
144 return mi_lttng_loglevel_str_debug_unit
;
145 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
146 return mi_lttng_loglevel_str_debug_function
;
147 case LTTNG_LOGLEVEL_DEBUG_LINE
:
148 return mi_lttng_loglevel_str_debug_line
;
149 case LTTNG_LOGLEVEL_DEBUG
:
150 return mi_lttng_loglevel_str_debug
;
152 return mi_lttng_loglevel_str_unknown
;
156 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
159 case LTTNG_EVENT_LOGLEVEL_ALL
:
160 return mi_lttng_loglevel_type_all
;
161 case LTTNG_EVENT_LOGLEVEL_RANGE
:
162 return mi_lttng_loglevel_type_range
;
163 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
164 return mi_lttng_loglevel_type_single
;
166 return mi_lttng_loglevel_type_unknown
;
170 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
173 case LTTNG_EVENT_ALL
:
174 return config_event_type_all
;
175 case LTTNG_EVENT_TRACEPOINT
:
176 return config_event_type_tracepoint
;
177 case LTTNG_EVENT_PROBE
:
178 return config_event_type_probe
;
179 case LTTNG_EVENT_FUNCTION
:
180 return config_event_type_function
;
181 case LTTNG_EVENT_FUNCTION_ENTRY
:
182 return config_event_type_function_entry
;
183 case LTTNG_EVENT_SYSCALL
:
184 return config_event_type_syscall
;
185 case LTTNG_EVENT_NOOP
:
186 return config_event_type_noop
;
188 return mi_lttng_element_empty
;
192 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
195 case LTTNG_EVENT_CONTEXT_PID
:
196 return config_event_context_pid
;
197 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
198 return mi_lttng_context_type_perf_counter
;
199 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
200 return mi_lttng_context_type_perf_thread_counter
;
201 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
202 return mi_lttng_context_type_perf_cpu_counter
;
203 case LTTNG_EVENT_CONTEXT_PROCNAME
:
204 return config_event_context_procname
;
205 case LTTNG_EVENT_CONTEXT_PRIO
:
206 return config_event_context_prio
;
207 case LTTNG_EVENT_CONTEXT_NICE
:
208 return config_event_context_nice
;
209 case LTTNG_EVENT_CONTEXT_VPID
:
210 return config_event_context_vpid
;
211 case LTTNG_EVENT_CONTEXT_TID
:
212 return config_event_context_tid
;
213 case LTTNG_EVENT_CONTEXT_VTID
:
214 return config_event_context_vtid
;
215 case LTTNG_EVENT_CONTEXT_PPID
:
216 return config_event_context_ppid
;
217 case LTTNG_EVENT_CONTEXT_VPPID
:
218 return config_event_context_vppid
;
219 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
220 return config_event_context_pthread_id
;
221 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
222 return config_event_context_hostname
;
223 case LTTNG_EVENT_CONTEXT_IP
:
224 return config_event_context_ip
;
230 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
233 case(LTTNG_EVENT_FIELD_INTEGER
):
234 return mi_lttng_element_type_integer
;
235 case(LTTNG_EVENT_FIELD_ENUM
):
236 return mi_lttng_element_type_enum
;
237 case(LTTNG_EVENT_FIELD_FLOAT
):
238 return mi_lttng_element_type_float
;
239 case(LTTNG_EVENT_FIELD_STRING
):
240 return mi_lttng_element_type_string
;
242 return mi_lttng_element_type_other
;
246 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
248 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
250 case LTTNG_DOMAIN_KERNEL
:
251 return config_domain_type_kernel
;
252 case LTTNG_DOMAIN_UST
:
253 return config_domain_type_ust
;
254 case LTTNG_DOMAIN_JUL
:
255 return config_domain_type_jul
;
257 /* Should not have an unknown domain */
262 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
265 case LTTNG_BUFFER_PER_PID
:
266 return config_buffer_type_per_pid
;
267 case LTTNG_BUFFER_PER_UID
:
268 return config_buffer_type_per_uid
;
269 case LTTNG_BUFFER_GLOBAL
:
270 return config_buffer_type_global
;
272 /* Should not have an unknow buffer type */
277 const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val
)
282 case LTTNG_CALIBRATE_FUNCTION
:
283 ret
= mi_lttng_element_calibrate_function
;
286 ret
= mi_lttng_element_empty
;
293 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
295 struct mi_writer
*mi_writer
;
297 mi_writer
= zmalloc(sizeof(struct mi_writer
));
299 PERROR("zmalloc mi_writer_create");
302 if (mi_output_type
== LTTNG_MI_XML
) {
303 mi_writer
->writer
= config_writer_create(fd_output
);
304 if (!mi_writer
->writer
) {
307 mi_writer
->type
= LTTNG_MI_XML
;
321 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
330 ret
= config_writer_destroy(writer
->writer
);
341 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
345 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_command
);
349 ret
= mi_lttng_writer_write_element_string(writer
,
350 mi_lttng_element_command_name
, command
);
356 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
358 return mi_lttng_writer_close_element(writer
);
362 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
363 const char *element_name
)
365 return config_writer_open_element(writer
->writer
, element_name
);
369 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
371 return config_writer_close_element(writer
->writer
);
375 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
376 unsigned int nb_element
)
380 if (nb_element
< 1) {
384 for (i
= 0; i
< nb_element
; i
++) {
385 ret
= mi_lttng_writer_close_element(writer
);
395 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
396 const char *element_name
, uint64_t value
)
398 return config_writer_write_element_unsigned_int(writer
->writer
,
399 element_name
, value
);
403 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
404 const char *element_name
, int64_t value
)
406 return config_writer_write_element_signed_int(writer
->writer
,
407 element_name
, value
);
411 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
412 const char *element_name
, int value
)
414 return config_writer_write_element_bool(writer
->writer
,
415 element_name
, value
);
419 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
420 const char *element_name
, const char *value
)
422 return config_writer_write_element_string(writer
->writer
,
423 element_name
, value
);
427 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
428 const char *lttng_description
, const char *lttng_license
)
433 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
438 /* Version string (contain info like rc etc.) */
439 ret
= mi_lttng_writer_write_element_string(writer
,
440 mi_lttng_element_version_str
, VERSION
);
445 /* Major version number */
446 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
447 mi_lttng_element_version_major
, version
->version_major
);
452 /* Minor version number */
453 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
454 mi_lttng_element_version_minor
, version
->version_minor
);
459 /* Commit version number */
460 ret
= mi_lttng_writer_write_element_string(writer
,
461 mi_lttng_element_version_commit
, version
->version_commit
);
467 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
468 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
473 /* Name of the version */
474 ret
= mi_lttng_writer_write_element_string(writer
,
475 config_element_name
, version
->version_name
);
480 /* Description mostly related to beer... */
481 ret
= mi_lttng_writer_write_element_string(writer
,
482 mi_lttng_element_version_description
, lttng_description
);
488 ret
= mi_lttng_writer_write_element_string(writer
,
489 mi_lttng_element_version_web
, version
->package_url
);
494 /* License: free as in free beer...no...*speech* */
495 ret
= mi_lttng_writer_write_element_string(writer
,
496 mi_lttng_element_version_license
, lttng_license
);
501 /* Close version element */
502 ret
= mi_lttng_writer_close_element(writer
);
509 int mi_lttng_sessions_open(struct mi_writer
*writer
)
511 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
515 int mi_lttng_session(struct mi_writer
*writer
,
516 struct lttng_session
*session
, int is_open
)
522 /* Open sessions element */
523 ret
= mi_lttng_writer_open_element(writer
,
524 config_element_session
);
529 /* Name of the session */
530 ret
= mi_lttng_writer_write_element_string(writer
,
531 config_element_name
, session
->name
);
537 ret
= mi_lttng_writer_write_element_string(writer
,
538 config_element_path
, session
->path
);
544 ret
= mi_lttng_writer_write_element_bool(writer
,
545 config_element_enabled
, session
->enabled
);
551 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
552 config_element_snapshot_mode
, session
->snapshot_mode
);
557 /* Live timer interval in usec */
558 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
559 config_element_live_timer_interval
,
560 session
->live_timer_interval
);
566 /* Closing session element */
567 ret
= mi_lttng_writer_close_element(writer
);
575 int mi_lttng_domains_open(struct mi_writer
*writer
)
577 return mi_lttng_writer_open_element(writer
, config_element_domains
);
581 int mi_lttng_domain(struct mi_writer
*writer
,
582 struct lttng_domain
*domain
, int is_open
)
585 const char *str_domain
;
586 const char *str_buffer
;
590 /* Open domain element */
591 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
597 str_domain
= mi_lttng_domaintype_string(domain
->type
);
598 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
605 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
606 ret
= mi_lttng_writer_write_element_string(writer
,
607 config_element_buffer_type
, str_buffer
);
612 /* TODO: attr... not sure how to use the union.... */
615 /* Closing domain element */
616 ret
= mi_lttng_writer_close_element(writer
);
625 int mi_lttng_channels_open(struct mi_writer
*writer
)
627 return mi_lttng_writer_open_element(writer
, config_element_channels
);
631 int mi_lttng_channel(struct mi_writer
*writer
,
632 struct lttng_channel
*channel
, int is_open
)
638 /* Opening channel element */
639 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
645 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
652 ret
= mi_lttng_writer_write_element_bool(writer
,
653 config_element_enabled
, channel
->enabled
);
659 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
665 /* Closing channel element */
666 ret
= mi_lttng_writer_close_element(writer
);
676 int mi_lttng_channel_attr(struct mi_writer
*writer
,
677 struct lttng_channel_attr
*attr
)
683 /* Opening Attributes */
684 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
690 ret
= mi_lttng_writer_write_element_string(writer
,
691 config_element_overwrite_mode
,
692 attr
->overwrite
? config_overwrite_mode_overwrite
:
693 config_overwrite_mode_discard
);
698 /* Sub buffer size in byte */
699 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
700 config_element_subbuf_size
, attr
->subbuf_size
);
705 /* Number of subbuffer (power of two) */
706 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
707 config_element_num_subbuf
,
713 /* Switch timer interval in usec */
714 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
715 config_element_switch_timer_interval
,
716 attr
->switch_timer_interval
);
721 /* Read timer interval in usec */
722 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
723 config_element_read_timer_interval
,
724 attr
->read_timer_interval
);
730 ret
= mi_lttng_writer_write_element_string(writer
,
731 config_element_output_type
,
732 attr
->output
== LTTNG_EVENT_SPLICE
?
733 config_output_type_splice
: config_output_type_mmap
);
738 /* Tracefile size in bytes */
739 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
740 config_element_tracefile_size
, attr
->tracefile_size
);
745 /* Count of tracefiles */
746 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
747 config_element_tracefile_count
,
748 attr
->tracefile_count
);
753 /* Live timer interval in usec*/
754 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
755 config_element_live_timer_interval
,
756 attr
->live_timer_interval
);
761 /* Closing attributes */
762 ret
= mi_lttng_writer_close_element(writer
);
772 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
773 struct lttng_event
*event
)
777 /* Open event element */
778 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
784 ret
= mi_lttng_writer_write_element_string(writer
,
785 config_element_name
, event
->name
);
791 ret
= mi_lttng_writer_write_element_string(writer
,
792 config_element_type
, mi_lttng_eventtype_string(event
->type
));
797 /* is event enabled */
798 ret
= mi_lttng_writer_write_element_bool(writer
,
799 config_element_enabled
, event
->enabled
);
804 /* event filter enabled? */
805 ret
= mi_lttng_writer_write_element_bool(writer
,
806 config_element_filter
, event
->filter
);
813 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
814 struct lttng_event
*event
)
819 ret
= mi_lttng_writer_write_element_string(writer
,
820 config_element_loglevel
, mi_lttng_loglevel_string(event
->loglevel
));
825 ret
= mi_lttng_writer_write_element_string(writer
,
826 config_element_loglevel_type
,
827 mi_lttng_logleveltype_string(event
->loglevel_type
));
832 /* event exclusion filter */
833 ret
= mi_lttng_writer_write_element_bool(writer
,
834 config_element_exclusion
, event
->exclusion
);
844 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
845 struct lttng_event
*event
)
847 /* event exclusion filter */
848 return mi_lttng_writer_write_element_bool(writer
,
849 config_element_exclusion
, event
->exclusion
);
853 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
854 struct lttng_event
*event
)
858 if (event
->attr
.probe
.addr
!= 0) {
859 /* event probe address */
860 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
861 config_element_address
, event
->attr
.probe
.addr
);
866 /* event probe offset */
867 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
868 config_element_offset
, event
->attr
.probe
.offset
);
873 /* event probe symbol_name */
874 ret
= mi_lttng_writer_write_element_string(writer
,
875 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
885 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
886 struct lttng_event
*event
)
888 /* event probe symbol_name */
889 return mi_lttng_writer_write_element_string(writer
,
890 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
894 int mi_lttng_events_open(struct mi_writer
*writer
)
896 return mi_lttng_writer_open_element(writer
, config_element_events
);
900 int mi_lttng_event(struct mi_writer
*writer
,
901 struct lttng_event
*event
, int is_open
)
905 ret
= mi_lttng_event_common_attributes(writer
, event
);
910 switch (event
->type
) {
911 case LTTNG_EVENT_ALL
:
912 /* We should never have "all" events in list. */
915 case LTTNG_EVENT_TRACEPOINT
:
917 if (event
->loglevel
!= -1) {
918 ret
= mi_lttng_event_tracepoint_loglevel(writer
, event
);
920 ret
= mi_lttng_event_tracepoint_no_loglevel(writer
, event
);
924 case LTTNG_EVENT_PROBE
:
925 ret
= mi_lttng_event_function_probe(writer
, event
);
927 case LTTNG_EVENT_FUNCTION_ENTRY
:
928 ret
= mi_lttng_event_function_entry(writer
, event
);
935 ret
= mi_lttng_writer_close_element(writer
);
943 int mi_lttng_pids_open(struct mi_writer
*writer
)
945 return mi_lttng_writer_open_element(writer
, mi_lttng_element_pids
);
949 int mi_lttng_pid(struct mi_writer
*writer
, pid_t pid
, const char *cmdline
,
954 /* Open element pid */
955 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_pid
);
960 /* Writing pid number */
961 ret
= mi_lttng_writer_write_element_signed_int(writer
,
962 mi_lttng_element_pid_id
, (int)pid
);
967 /* Writing name of the process */
968 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
976 ret
= mi_lttng_writer_close_element(writer
);
984 int mi_lttng_event_fields_open(struct mi_writer
*writer
)
986 return mi_lttng_writer_open_element(writer
, mi_lttng_element_event_fields
);
990 int mi_lttng_event_field(struct mi_writer
*writer
,
991 struct lttng_event_field
*field
)
995 if (!field
->field_name
[0]) {
996 /* To Review: not sure if legal david ?
997 * how should this be handle ?
1004 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_event_field
);
1009 if (!field
->field_name
[0]) {
1014 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1021 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1022 mi_lttng_eventfieldtype_string(field
->type
));
1028 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1029 mi_lttng_element_nowrite
, field
->nowrite
);
1035 /* Close field element */
1036 ret
= mi_lttng_writer_close_element(writer
);
1043 int mi_lttng_calibrate(struct mi_writer
*writer
,
1044 struct lttng_calibrate
*calibrate
)
1048 /* Open calibrate element */
1049 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_calibrate
);
1054 /* Calibration type */
1055 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1056 mi_lttng_calibratetype_string(calibrate
->type
));
1061 /* Closing calibrate element */
1062 ret
= mi_lttng_writer_close_element(writer
);
1067 int mi_lttng_context(struct mi_writer
*writer
,
1068 struct lttng_event_context
*context
, int is_open
)
1071 const char *type_string
;
1072 struct lttng_event_perf_counter_ctx
*perf_context
;
1074 ret
= mi_lttng_writer_open_element(writer
, config_element_context
);
1079 type_string
= mi_lttng_event_contexttype_string(context
->ctx
);
1081 ret
= -LTTNG_ERR_INVALID
;
1085 /* Print context type */
1086 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1089 /* Special case for PERF_*_COUNTER
1090 * print the lttng_event_perf_counter_ctx*/
1091 switch (context
->ctx
) {
1092 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
1093 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
1094 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
1095 perf_context
= &context
->u
.perf_counter
;
1096 ret
= mi_lttng_perf_counter_context(writer
, perf_context
);
1107 ret
= mi_lttng_writer_close_element(writer
);
1115 int mi_lttng_perf_counter_context(struct mi_writer
*writer
,
1116 struct lttng_event_perf_counter_ctx
*perf_context
)
1120 /* Open perf_counter_context */
1121 ret
= mi_lttng_writer_open_element(writer
,
1122 mi_lttng_element_perf_counter_context
);
1128 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1129 config_element_type
, perf_context
->type
);
1135 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1136 config_element_config
, perf_context
->config
);
1141 /* Name of the perf counter */
1142 ret
= mi_lttng_writer_write_element_string(writer
,
1143 config_element_name
, perf_context
->name
);
1148 /* Close perf_counter_context */
1149 ret
= mi_lttng_writer_close_element(writer
);