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_enable_event
= "enable-event";
31 const char * const mi_lttng_element_command_list
= "list";
32 const char * const mi_lttng_element_command_save
= "save";
33 const char * const mi_lttng_element_command_load
= "load";
34 const char * const mi_lttng_element_command_start
= "start";
35 const char * const mi_lttng_element_command_stop
= "stop";
36 const char * const mi_lttng_element_command_create
= "create";
37 const char * const mi_lttng_element_command_destroy
= "destroy";
38 const char * const mi_lttng_element_command_calibrate
= "calibrate";
39 const char * const mi_lttng_element_command_add_context
= "add-context";
40 const char * const mi_lttng_element_command_enable_channels
= "enable-channel";
41 const char * const mi_lttng_element_command_output
= "output";
42 const char * const mi_lttng_element_command_success
= "success";
44 /* Strings related to version command */
45 const char * const mi_lttng_element_version
= "version";
46 const char * const mi_lttng_element_version_str
= "string";
47 const char * const mi_lttng_element_version_web
= "url";
48 const char * const mi_lttng_element_version_major
= "major";
49 const char * const mi_lttng_element_version_minor
= "minor";
50 const char * const mi_lttng_element_version_commit
= "commit";
51 const char * const mi_lttng_element_version_license
= "license";
52 const char * const mi_lttng_element_version_patch_level
= "patchLevel";
53 const char * const mi_lttng_element_version_description
= "description";
55 /* Strings related to pid */
56 const char * const mi_lttng_element_pids
= "pids";
57 const char * const mi_lttng_element_pid
= "pid";
58 const char * const mi_lttng_element_pid_id
= "id";
60 /* Strings related to save command */
61 const char * const mi_lttng_element_save
= "save";
63 /* Strings related to load command */
64 const char * const mi_lttng_element_load
= "load";
66 /* String related to a lttng_event_field */
67 const char * const mi_lttng_element_event_field
= "event_field";
68 const char * const mi_lttng_element_event_fields
= "event_fields";
70 /* String related to lttng_event_context */
71 const char * const mi_lttng_context_type_perf_counter
= "PERF_COUNTER";
72 const char * const mi_lttng_context_type_perf_cpu_counter
= "PERF_CPU_COUNTER";
73 const char * const mi_lttng_context_type_perf_thread_counter
= "PERF_THREAD_COUNTER";
75 /* String related to lttng_event_perf_counter_ctx */
76 const char * const mi_lttng_element_perf_counter_context
= "perf_counter_context";
78 /* General elements of mi_lttng */
79 const char * const mi_lttng_element_type_other
= "OTHER";
80 const char * const mi_lttng_element_type_integer
= "INTEGER";
81 const char * const mi_lttng_element_type_enum
= "ENUM";
82 const char * const mi_lttng_element_type_float
= "FLOAT";
83 const char * const mi_lttng_element_type_string
= "STRING";
84 const char * const mi_lttng_element_nowrite
= "nowrite";
85 const char * const mi_lttng_element_success
= "success";
87 /* String related to loglevel */
88 const char * const mi_lttng_loglevel_str_alert
= "TRACE_ALERT";
89 const char * const mi_lttng_loglevel_str_crit
= "TRACE_CRIT";
90 const char * const mi_lttng_loglevel_str_debug
= "TRACE_DEBUG";
91 const char * const mi_lttng_loglevel_str_debug_function
= "TRACE_DEBUG_FUNCTION";
92 const char * const mi_lttng_loglevel_str_debug_line
= "TRACE_DEBUG_LINE";
93 const char * const mi_lttng_loglevel_str_debug_module
= "TRACE_DEBUG_MODULE";
94 const char * const mi_lttng_loglevel_str_debug_process
= "TRACE_DEBUG_PROCESS";
95 const char * const mi_lttng_loglevel_str_debug_program
= "TRACE_DEBUG_PROGRAM";
96 const char * const mi_lttng_loglevel_str_debug_system
= "TRACE_DEBUG_SYSTEM";
97 const char * const mi_lttng_loglevel_str_debug_unit
= "TRACE_DEBUG_UNIT";
98 const char * const mi_lttng_loglevel_str_emerg
= "TRACE_EMERG";
99 const char * const mi_lttng_loglevel_str_err
= "TRACE_ERR";
100 const char * const mi_lttng_loglevel_str_info
= "TRACE_INFO";
101 const char * const mi_lttng_loglevel_str_notice
= "TRACE_NOTICE";
102 const char * const mi_lttng_loglevel_str_unknown
= "UNKNOWN";
103 const char * const mi_lttng_loglevel_str_warning
= "TRACE_WARNING";
105 /* String related to loglevel type */
106 const char * const mi_lttng_loglevel_type_all
= "ALL";
107 const char * const mi_lttng_loglevel_type_range
= "RANGE";
108 const char * const mi_lttng_loglevel_type_single
= "SINGLE";
109 const char * const mi_lttng_loglevel_type_unknown
= "UNKNOWN";
111 /* String related to lttng_calibrate */
112 const char * const mi_lttng_element_calibrate
= "calibrate";
113 const char * const mi_lttng_element_calibrate_function
= "FUNCTION";
115 const char * const mi_lttng_element_empty
= "";
117 const char *mi_lttng_loglevel_string(int value
)
121 return mi_lttng_element_empty
;
122 case LTTNG_LOGLEVEL_EMERG
:
123 return mi_lttng_loglevel_str_emerg
;
124 case LTTNG_LOGLEVEL_ALERT
:
125 return mi_lttng_loglevel_str_alert
;
126 case LTTNG_LOGLEVEL_CRIT
:
127 return mi_lttng_loglevel_str_crit
;
128 case LTTNG_LOGLEVEL_ERR
:
129 return mi_lttng_loglevel_str_err
;
130 case LTTNG_LOGLEVEL_WARNING
:
131 return mi_lttng_loglevel_str_warning
;
132 case LTTNG_LOGLEVEL_NOTICE
:
133 return mi_lttng_loglevel_str_notice
;
134 case LTTNG_LOGLEVEL_INFO
:
135 return mi_lttng_loglevel_str_info
;
136 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
137 return mi_lttng_loglevel_str_debug_system
;
138 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
139 return mi_lttng_loglevel_str_debug_program
;
140 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
141 return mi_lttng_loglevel_str_debug_process
;
142 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
143 return mi_lttng_loglevel_str_debug_module
;
144 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
145 return mi_lttng_loglevel_str_debug_unit
;
146 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
147 return mi_lttng_loglevel_str_debug_function
;
148 case LTTNG_LOGLEVEL_DEBUG_LINE
:
149 return mi_lttng_loglevel_str_debug_line
;
150 case LTTNG_LOGLEVEL_DEBUG
:
151 return mi_lttng_loglevel_str_debug
;
153 return mi_lttng_loglevel_str_unknown
;
157 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
160 case LTTNG_EVENT_LOGLEVEL_ALL
:
161 return mi_lttng_loglevel_type_all
;
162 case LTTNG_EVENT_LOGLEVEL_RANGE
:
163 return mi_lttng_loglevel_type_range
;
164 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
165 return mi_lttng_loglevel_type_single
;
167 return mi_lttng_loglevel_type_unknown
;
171 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
174 case LTTNG_EVENT_ALL
:
175 return config_event_type_all
;
176 case LTTNG_EVENT_TRACEPOINT
:
177 return config_event_type_tracepoint
;
178 case LTTNG_EVENT_PROBE
:
179 return config_event_type_probe
;
180 case LTTNG_EVENT_FUNCTION
:
181 return config_event_type_function
;
182 case LTTNG_EVENT_FUNCTION_ENTRY
:
183 return config_event_type_function_entry
;
184 case LTTNG_EVENT_SYSCALL
:
185 return config_event_type_syscall
;
186 case LTTNG_EVENT_NOOP
:
187 return config_event_type_noop
;
189 return mi_lttng_element_empty
;
193 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
196 case LTTNG_EVENT_CONTEXT_PID
:
197 return config_event_context_pid
;
198 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
199 return mi_lttng_context_type_perf_counter
;
200 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
201 return mi_lttng_context_type_perf_thread_counter
;
202 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
203 return mi_lttng_context_type_perf_cpu_counter
;
204 case LTTNG_EVENT_CONTEXT_PROCNAME
:
205 return config_event_context_procname
;
206 case LTTNG_EVENT_CONTEXT_PRIO
:
207 return config_event_context_prio
;
208 case LTTNG_EVENT_CONTEXT_NICE
:
209 return config_event_context_nice
;
210 case LTTNG_EVENT_CONTEXT_VPID
:
211 return config_event_context_vpid
;
212 case LTTNG_EVENT_CONTEXT_TID
:
213 return config_event_context_tid
;
214 case LTTNG_EVENT_CONTEXT_VTID
:
215 return config_event_context_vtid
;
216 case LTTNG_EVENT_CONTEXT_PPID
:
217 return config_event_context_ppid
;
218 case LTTNG_EVENT_CONTEXT_VPPID
:
219 return config_event_context_vppid
;
220 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
221 return config_event_context_pthread_id
;
222 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
223 return config_event_context_hostname
;
224 case LTTNG_EVENT_CONTEXT_IP
:
225 return config_event_context_ip
;
231 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
234 case(LTTNG_EVENT_FIELD_INTEGER
):
235 return mi_lttng_element_type_integer
;
236 case(LTTNG_EVENT_FIELD_ENUM
):
237 return mi_lttng_element_type_enum
;
238 case(LTTNG_EVENT_FIELD_FLOAT
):
239 return mi_lttng_element_type_float
;
240 case(LTTNG_EVENT_FIELD_STRING
):
241 return mi_lttng_element_type_string
;
243 return mi_lttng_element_type_other
;
247 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
249 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
251 case LTTNG_DOMAIN_KERNEL
:
252 return config_domain_type_kernel
;
253 case LTTNG_DOMAIN_UST
:
254 return config_domain_type_ust
;
255 case LTTNG_DOMAIN_JUL
:
256 return config_domain_type_jul
;
258 /* Should not have an unknown domain */
263 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
266 case LTTNG_BUFFER_PER_PID
:
267 return config_buffer_type_per_pid
;
268 case LTTNG_BUFFER_PER_UID
:
269 return config_buffer_type_per_uid
;
270 case LTTNG_BUFFER_GLOBAL
:
271 return config_buffer_type_global
;
273 /* Should not have an unknow buffer type */
278 const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val
)
283 case LTTNG_CALIBRATE_FUNCTION
:
284 ret
= mi_lttng_element_calibrate_function
;
287 ret
= mi_lttng_element_empty
;
294 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
296 struct mi_writer
*mi_writer
;
298 mi_writer
= zmalloc(sizeof(struct mi_writer
));
300 PERROR("zmalloc mi_writer_create");
303 if (mi_output_type
== LTTNG_MI_XML
) {
304 mi_writer
->writer
= config_writer_create(fd_output
);
305 if (!mi_writer
->writer
) {
308 mi_writer
->type
= LTTNG_MI_XML
;
322 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
331 ret
= config_writer_destroy(writer
->writer
);
342 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
346 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_command
);
350 ret
= mi_lttng_writer_write_element_string(writer
,
351 mi_lttng_element_command_name
, command
);
357 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
359 return mi_lttng_writer_close_element(writer
);
363 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
364 const char *element_name
)
366 return config_writer_open_element(writer
->writer
, element_name
);
370 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
372 return config_writer_close_element(writer
->writer
);
376 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
377 unsigned int nb_element
)
381 if (nb_element
< 1) {
385 for (i
= 0; i
< nb_element
; i
++) {
386 ret
= mi_lttng_writer_close_element(writer
);
396 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
397 const char *element_name
, uint64_t value
)
399 return config_writer_write_element_unsigned_int(writer
->writer
,
400 element_name
, value
);
404 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
405 const char *element_name
, int64_t value
)
407 return config_writer_write_element_signed_int(writer
->writer
,
408 element_name
, value
);
412 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
413 const char *element_name
, int value
)
415 return config_writer_write_element_bool(writer
->writer
,
416 element_name
, value
);
420 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
421 const char *element_name
, const char *value
)
423 return config_writer_write_element_string(writer
->writer
,
424 element_name
, value
);
428 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
429 const char *lttng_description
, const char *lttng_license
)
434 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
439 /* Version string (contain info like rc etc.) */
440 ret
= mi_lttng_writer_write_element_string(writer
,
441 mi_lttng_element_version_str
, VERSION
);
446 /* Major version number */
447 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
448 mi_lttng_element_version_major
, version
->version_major
);
453 /* Minor version number */
454 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
455 mi_lttng_element_version_minor
, version
->version_minor
);
460 /* Commit version number */
461 ret
= mi_lttng_writer_write_element_string(writer
,
462 mi_lttng_element_version_commit
, version
->version_commit
);
468 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
469 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
474 /* Name of the version */
475 ret
= mi_lttng_writer_write_element_string(writer
,
476 config_element_name
, version
->version_name
);
481 /* Description mostly related to beer... */
482 ret
= mi_lttng_writer_write_element_string(writer
,
483 mi_lttng_element_version_description
, lttng_description
);
489 ret
= mi_lttng_writer_write_element_string(writer
,
490 mi_lttng_element_version_web
, version
->package_url
);
495 /* License: free as in free beer...no...*speech* */
496 ret
= mi_lttng_writer_write_element_string(writer
,
497 mi_lttng_element_version_license
, lttng_license
);
502 /* Close version element */
503 ret
= mi_lttng_writer_close_element(writer
);
510 int mi_lttng_sessions_open(struct mi_writer
*writer
)
512 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
516 int mi_lttng_session(struct mi_writer
*writer
,
517 struct lttng_session
*session
, int is_open
)
523 /* Open sessions element */
524 ret
= mi_lttng_writer_open_element(writer
,
525 config_element_session
);
530 /* Name of the session */
531 ret
= mi_lttng_writer_write_element_string(writer
,
532 config_element_name
, session
->name
);
538 ret
= mi_lttng_writer_write_element_string(writer
,
539 config_element_path
, session
->path
);
545 ret
= mi_lttng_writer_write_element_bool(writer
,
546 config_element_enabled
, session
->enabled
);
552 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
553 config_element_snapshot_mode
, session
->snapshot_mode
);
558 /* Live timer interval in usec */
559 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
560 config_element_live_timer_interval
,
561 session
->live_timer_interval
);
567 /* Closing session element */
568 ret
= mi_lttng_writer_close_element(writer
);
576 int mi_lttng_domains_open(struct mi_writer
*writer
)
578 return mi_lttng_writer_open_element(writer
, config_element_domains
);
582 int mi_lttng_domain(struct mi_writer
*writer
,
583 struct lttng_domain
*domain
, int is_open
)
586 const char *str_domain
;
587 const char *str_buffer
;
591 /* Open domain element */
592 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
598 str_domain
= mi_lttng_domaintype_string(domain
->type
);
599 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
606 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
607 ret
= mi_lttng_writer_write_element_string(writer
,
608 config_element_buffer_type
, str_buffer
);
613 /* TODO: attr... not sure how to use the union.... */
616 /* Closing domain element */
617 ret
= mi_lttng_writer_close_element(writer
);
626 int mi_lttng_channels_open(struct mi_writer
*writer
)
628 return mi_lttng_writer_open_element(writer
, config_element_channels
);
632 int mi_lttng_channel(struct mi_writer
*writer
,
633 struct lttng_channel
*channel
, int is_open
)
639 /* Opening channel element */
640 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
646 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
653 ret
= mi_lttng_writer_write_element_bool(writer
,
654 config_element_enabled
, channel
->enabled
);
660 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
666 /* Closing channel element */
667 ret
= mi_lttng_writer_close_element(writer
);
677 int mi_lttng_channel_attr(struct mi_writer
*writer
,
678 struct lttng_channel_attr
*attr
)
684 /* Opening Attributes */
685 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
691 ret
= mi_lttng_writer_write_element_string(writer
,
692 config_element_overwrite_mode
,
693 attr
->overwrite
? config_overwrite_mode_overwrite
:
694 config_overwrite_mode_discard
);
699 /* Sub buffer size in byte */
700 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
701 config_element_subbuf_size
, attr
->subbuf_size
);
706 /* Number of subbuffer (power of two) */
707 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
708 config_element_num_subbuf
,
714 /* Switch timer interval in usec */
715 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
716 config_element_switch_timer_interval
,
717 attr
->switch_timer_interval
);
722 /* Read timer interval in usec */
723 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
724 config_element_read_timer_interval
,
725 attr
->read_timer_interval
);
731 ret
= mi_lttng_writer_write_element_string(writer
,
732 config_element_output_type
,
733 attr
->output
== LTTNG_EVENT_SPLICE
?
734 config_output_type_splice
: config_output_type_mmap
);
739 /* Tracefile size in bytes */
740 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
741 config_element_tracefile_size
, attr
->tracefile_size
);
746 /* Count of tracefiles */
747 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
748 config_element_tracefile_count
,
749 attr
->tracefile_count
);
754 /* Live timer interval in usec*/
755 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
756 config_element_live_timer_interval
,
757 attr
->live_timer_interval
);
762 /* Closing attributes */
763 ret
= mi_lttng_writer_close_element(writer
);
773 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
774 struct lttng_event
*event
)
778 /* Open event element */
779 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
785 ret
= mi_lttng_writer_write_element_string(writer
,
786 config_element_name
, event
->name
);
792 ret
= mi_lttng_writer_write_element_string(writer
,
793 config_element_type
, mi_lttng_eventtype_string(event
->type
));
798 /* is event enabled */
799 ret
= mi_lttng_writer_write_element_bool(writer
,
800 config_element_enabled
, event
->enabled
);
805 /* event filter enabled? */
806 ret
= mi_lttng_writer_write_element_bool(writer
,
807 config_element_filter
, event
->filter
);
814 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
815 struct lttng_event
*event
)
820 ret
= mi_lttng_writer_write_element_string(writer
,
821 config_element_loglevel
, mi_lttng_loglevel_string(event
->loglevel
));
826 ret
= mi_lttng_writer_write_element_string(writer
,
827 config_element_loglevel_type
,
828 mi_lttng_logleveltype_string(event
->loglevel_type
));
833 /* event exclusion filter */
834 ret
= mi_lttng_writer_write_element_bool(writer
,
835 config_element_exclusion
, event
->exclusion
);
845 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
846 struct lttng_event
*event
)
848 /* event exclusion filter */
849 return mi_lttng_writer_write_element_bool(writer
,
850 config_element_exclusion
, event
->exclusion
);
854 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
855 struct lttng_event
*event
)
859 if (event
->attr
.probe
.addr
!= 0) {
860 /* event probe address */
861 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
862 config_element_address
, event
->attr
.probe
.addr
);
867 /* event probe offset */
868 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
869 config_element_offset
, event
->attr
.probe
.offset
);
874 /* event probe symbol_name */
875 ret
= mi_lttng_writer_write_element_string(writer
,
876 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
886 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
887 struct lttng_event
*event
)
889 /* event probe symbol_name */
890 return mi_lttng_writer_write_element_string(writer
,
891 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
895 int mi_lttng_events_open(struct mi_writer
*writer
)
897 return mi_lttng_writer_open_element(writer
, config_element_events
);
901 int mi_lttng_event(struct mi_writer
*writer
,
902 struct lttng_event
*event
, int is_open
)
906 ret
= mi_lttng_event_common_attributes(writer
, event
);
911 switch (event
->type
) {
912 /* We should never have "all" events in list. */
914 case LTTNG_EVENT_TRACEPOINT
:
916 if (event
->loglevel
!= -1) {
917 ret
= mi_lttng_event_tracepoint_loglevel(writer
, event
);
919 ret
= mi_lttng_event_tracepoint_no_loglevel(writer
, event
);
923 case LTTNG_EVENT_PROBE
:
924 ret
= mi_lttng_event_function_probe(writer
, event
);
926 case LTTNG_EVENT_FUNCTION_ENTRY
:
927 ret
= mi_lttng_event_function_entry(writer
, event
);
929 case LTTNG_EVENT_ALL
:
936 ret
= mi_lttng_writer_close_element(writer
);
944 int mi_lttng_pids_open(struct mi_writer
*writer
)
946 return mi_lttng_writer_open_element(writer
, mi_lttng_element_pids
);
950 int mi_lttng_pid(struct mi_writer
*writer
, pid_t pid
, const char *cmdline
,
955 /* Open element pid */
956 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_pid
);
961 /* Writing pid number */
962 ret
= mi_lttng_writer_write_element_signed_int(writer
,
963 mi_lttng_element_pid_id
, (int)pid
);
968 /* Writing name of the process */
969 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
977 ret
= mi_lttng_writer_close_element(writer
);
985 int mi_lttng_event_fields_open(struct mi_writer
*writer
)
987 return mi_lttng_writer_open_element(writer
, mi_lttng_element_event_fields
);
991 int mi_lttng_event_field(struct mi_writer
*writer
,
992 struct lttng_event_field
*field
)
996 if (!field
->field_name
[0]) {
997 /* To Review: not sure if legal david ?
998 * how should this be handle ?
1005 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_event_field
);
1010 if (!field
->field_name
[0]) {
1015 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1022 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1023 mi_lttng_eventfieldtype_string(field
->type
));
1029 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1030 mi_lttng_element_nowrite
, field
->nowrite
);
1036 /* Close field element */
1037 ret
= mi_lttng_writer_close_element(writer
);
1044 int mi_lttng_calibrate(struct mi_writer
*writer
,
1045 struct lttng_calibrate
*calibrate
)
1049 /* Open calibrate element */
1050 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_calibrate
);
1055 /* Calibration type */
1056 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1057 mi_lttng_calibratetype_string(calibrate
->type
));
1062 /* Closing calibrate element */
1063 ret
= mi_lttng_writer_close_element(writer
);
1068 int mi_lttng_context(struct mi_writer
*writer
,
1069 struct lttng_event_context
*context
, int is_open
)
1072 const char *type_string
;
1073 struct lttng_event_perf_counter_ctx
*perf_context
;
1075 ret
= mi_lttng_writer_open_element(writer
, config_element_context
);
1080 type_string
= mi_lttng_event_contexttype_string(context
->ctx
);
1082 ret
= -LTTNG_ERR_INVALID
;
1086 /* Print context type */
1087 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1090 /* Special case for PERF_*_COUNTER
1091 * print the lttng_event_perf_counter_ctx*/
1092 switch (context
->ctx
) {
1093 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
1094 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
1095 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
1096 perf_context
= &context
->u
.perf_counter
;
1097 ret
= mi_lttng_perf_counter_context(writer
, perf_context
);
1108 ret
= mi_lttng_writer_close_element(writer
);
1116 int mi_lttng_perf_counter_context(struct mi_writer
*writer
,
1117 struct lttng_event_perf_counter_ctx
*perf_context
)
1121 /* Open perf_counter_context */
1122 ret
= mi_lttng_writer_open_element(writer
,
1123 mi_lttng_element_perf_counter_context
);
1129 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1130 config_element_type
, perf_context
->type
);
1136 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1137 config_element_config
, perf_context
->config
);
1142 /* Name of the perf counter */
1143 ret
= mi_lttng_writer_write_element_string(writer
,
1144 config_element_name
, perf_context
->name
);
1149 /* Close perf_counter_context */
1150 ret
= mi_lttng_writer_close_element(writer
);