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_set_session
= "set-session";
42 const char * const mi_lttng_element_command_output
= "output";
43 const char * const mi_lttng_element_command_success
= "success";
45 /* Strings related to version command */
46 const char * const mi_lttng_element_version
= "version";
47 const char * const mi_lttng_element_version_str
= "string";
48 const char * const mi_lttng_element_version_web
= "url";
49 const char * const mi_lttng_element_version_major
= "major";
50 const char * const mi_lttng_element_version_minor
= "minor";
51 const char * const mi_lttng_element_version_commit
= "commit";
52 const char * const mi_lttng_element_version_license
= "license";
53 const char * const mi_lttng_element_version_patch_level
= "patchLevel";
54 const char * const mi_lttng_element_version_description
= "description";
56 /* Strings related to pid */
57 const char * const mi_lttng_element_pids
= "pids";
58 const char * const mi_lttng_element_pid
= "pid";
59 const char * const mi_lttng_element_pid_id
= "id";
61 /* Strings related to save command */
62 const char * const mi_lttng_element_save
= "save";
64 /* Strings related to load command */
65 const char * const mi_lttng_element_load
= "load";
67 /* String related to a lttng_event_field */
68 const char * const mi_lttng_element_event_field
= "event_field";
69 const char * const mi_lttng_element_event_fields
= "event_fields";
71 /* String related to lttng_event_context */
72 const char * const mi_lttng_context_type_perf_counter
= "PERF_COUNTER";
73 const char * const mi_lttng_context_type_perf_cpu_counter
= "PERF_CPU_COUNTER";
74 const char * const mi_lttng_context_type_perf_thread_counter
= "PERF_THREAD_COUNTER";
76 /* String related to lttng_event_perf_counter_ctx */
77 const char * const mi_lttng_element_perf_counter_context
= "perf_counter_context";
79 /* General elements of mi_lttng */
80 const char * const mi_lttng_element_type_other
= "OTHER";
81 const char * const mi_lttng_element_type_integer
= "INTEGER";
82 const char * const mi_lttng_element_type_enum
= "ENUM";
83 const char * const mi_lttng_element_type_float
= "FLOAT";
84 const char * const mi_lttng_element_type_string
= "STRING";
85 const char * const mi_lttng_element_nowrite
= "nowrite";
86 const char * const mi_lttng_element_success
= "success";
88 /* String related to loglevel */
89 const char * const mi_lttng_loglevel_str_alert
= "TRACE_ALERT";
90 const char * const mi_lttng_loglevel_str_crit
= "TRACE_CRIT";
91 const char * const mi_lttng_loglevel_str_debug
= "TRACE_DEBUG";
92 const char * const mi_lttng_loglevel_str_debug_function
= "TRACE_DEBUG_FUNCTION";
93 const char * const mi_lttng_loglevel_str_debug_line
= "TRACE_DEBUG_LINE";
94 const char * const mi_lttng_loglevel_str_debug_module
= "TRACE_DEBUG_MODULE";
95 const char * const mi_lttng_loglevel_str_debug_process
= "TRACE_DEBUG_PROCESS";
96 const char * const mi_lttng_loglevel_str_debug_program
= "TRACE_DEBUG_PROGRAM";
97 const char * const mi_lttng_loglevel_str_debug_system
= "TRACE_DEBUG_SYSTEM";
98 const char * const mi_lttng_loglevel_str_debug_unit
= "TRACE_DEBUG_UNIT";
99 const char * const mi_lttng_loglevel_str_emerg
= "TRACE_EMERG";
100 const char * const mi_lttng_loglevel_str_err
= "TRACE_ERR";
101 const char * const mi_lttng_loglevel_str_info
= "TRACE_INFO";
102 const char * const mi_lttng_loglevel_str_notice
= "TRACE_NOTICE";
103 const char * const mi_lttng_loglevel_str_unknown
= "UNKNOWN";
104 const char * const mi_lttng_loglevel_str_warning
= "TRACE_WARNING";
106 /* String related to loglevel type */
107 const char * const mi_lttng_loglevel_type_all
= "ALL";
108 const char * const mi_lttng_loglevel_type_range
= "RANGE";
109 const char * const mi_lttng_loglevel_type_single
= "SINGLE";
110 const char * const mi_lttng_loglevel_type_unknown
= "UNKNOWN";
112 /* String related to lttng_calibrate */
113 const char * const mi_lttng_element_calibrate
= "calibrate";
114 const char * const mi_lttng_element_calibrate_function
= "FUNCTION";
116 const char * const mi_lttng_element_empty
= "";
118 const char *mi_lttng_loglevel_string(int value
)
122 return mi_lttng_element_empty
;
123 case LTTNG_LOGLEVEL_EMERG
:
124 return mi_lttng_loglevel_str_emerg
;
125 case LTTNG_LOGLEVEL_ALERT
:
126 return mi_lttng_loglevel_str_alert
;
127 case LTTNG_LOGLEVEL_CRIT
:
128 return mi_lttng_loglevel_str_crit
;
129 case LTTNG_LOGLEVEL_ERR
:
130 return mi_lttng_loglevel_str_err
;
131 case LTTNG_LOGLEVEL_WARNING
:
132 return mi_lttng_loglevel_str_warning
;
133 case LTTNG_LOGLEVEL_NOTICE
:
134 return mi_lttng_loglevel_str_notice
;
135 case LTTNG_LOGLEVEL_INFO
:
136 return mi_lttng_loglevel_str_info
;
137 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
138 return mi_lttng_loglevel_str_debug_system
;
139 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
140 return mi_lttng_loglevel_str_debug_program
;
141 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
142 return mi_lttng_loglevel_str_debug_process
;
143 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
144 return mi_lttng_loglevel_str_debug_module
;
145 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
146 return mi_lttng_loglevel_str_debug_unit
;
147 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
148 return mi_lttng_loglevel_str_debug_function
;
149 case LTTNG_LOGLEVEL_DEBUG_LINE
:
150 return mi_lttng_loglevel_str_debug_line
;
151 case LTTNG_LOGLEVEL_DEBUG
:
152 return mi_lttng_loglevel_str_debug
;
154 return mi_lttng_loglevel_str_unknown
;
158 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
161 case LTTNG_EVENT_LOGLEVEL_ALL
:
162 return mi_lttng_loglevel_type_all
;
163 case LTTNG_EVENT_LOGLEVEL_RANGE
:
164 return mi_lttng_loglevel_type_range
;
165 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
166 return mi_lttng_loglevel_type_single
;
168 return mi_lttng_loglevel_type_unknown
;
172 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
175 case LTTNG_EVENT_ALL
:
176 return config_event_type_all
;
177 case LTTNG_EVENT_TRACEPOINT
:
178 return config_event_type_tracepoint
;
179 case LTTNG_EVENT_PROBE
:
180 return config_event_type_probe
;
181 case LTTNG_EVENT_FUNCTION
:
182 return config_event_type_function
;
183 case LTTNG_EVENT_FUNCTION_ENTRY
:
184 return config_event_type_function_entry
;
185 case LTTNG_EVENT_SYSCALL
:
186 return config_event_type_syscall
;
187 case LTTNG_EVENT_NOOP
:
188 return config_event_type_noop
;
190 return mi_lttng_element_empty
;
194 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
197 case LTTNG_EVENT_CONTEXT_PID
:
198 return config_event_context_pid
;
199 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
200 return mi_lttng_context_type_perf_counter
;
201 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
202 return mi_lttng_context_type_perf_thread_counter
;
203 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
204 return mi_lttng_context_type_perf_cpu_counter
;
205 case LTTNG_EVENT_CONTEXT_PROCNAME
:
206 return config_event_context_procname
;
207 case LTTNG_EVENT_CONTEXT_PRIO
:
208 return config_event_context_prio
;
209 case LTTNG_EVENT_CONTEXT_NICE
:
210 return config_event_context_nice
;
211 case LTTNG_EVENT_CONTEXT_VPID
:
212 return config_event_context_vpid
;
213 case LTTNG_EVENT_CONTEXT_TID
:
214 return config_event_context_tid
;
215 case LTTNG_EVENT_CONTEXT_VTID
:
216 return config_event_context_vtid
;
217 case LTTNG_EVENT_CONTEXT_PPID
:
218 return config_event_context_ppid
;
219 case LTTNG_EVENT_CONTEXT_VPPID
:
220 return config_event_context_vppid
;
221 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
222 return config_event_context_pthread_id
;
223 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
224 return config_event_context_hostname
;
225 case LTTNG_EVENT_CONTEXT_IP
:
226 return config_event_context_ip
;
232 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
235 case(LTTNG_EVENT_FIELD_INTEGER
):
236 return mi_lttng_element_type_integer
;
237 case(LTTNG_EVENT_FIELD_ENUM
):
238 return mi_lttng_element_type_enum
;
239 case(LTTNG_EVENT_FIELD_FLOAT
):
240 return mi_lttng_element_type_float
;
241 case(LTTNG_EVENT_FIELD_STRING
):
242 return mi_lttng_element_type_string
;
244 return mi_lttng_element_type_other
;
248 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
250 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
252 case LTTNG_DOMAIN_KERNEL
:
253 return config_domain_type_kernel
;
254 case LTTNG_DOMAIN_UST
:
255 return config_domain_type_ust
;
256 case LTTNG_DOMAIN_JUL
:
257 return config_domain_type_jul
;
259 /* Should not have an unknown domain */
264 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
267 case LTTNG_BUFFER_PER_PID
:
268 return config_buffer_type_per_pid
;
269 case LTTNG_BUFFER_PER_UID
:
270 return config_buffer_type_per_uid
;
271 case LTTNG_BUFFER_GLOBAL
:
272 return config_buffer_type_global
;
274 /* Should not have an unknow buffer type */
279 const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val
)
284 case LTTNG_CALIBRATE_FUNCTION
:
285 ret
= mi_lttng_element_calibrate_function
;
288 ret
= mi_lttng_element_empty
;
295 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
297 struct mi_writer
*mi_writer
;
299 mi_writer
= zmalloc(sizeof(struct mi_writer
));
301 PERROR("zmalloc mi_writer_create");
304 if (mi_output_type
== LTTNG_MI_XML
) {
305 mi_writer
->writer
= config_writer_create(fd_output
);
306 if (!mi_writer
->writer
) {
309 mi_writer
->type
= LTTNG_MI_XML
;
323 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
332 ret
= config_writer_destroy(writer
->writer
);
343 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
347 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_command
);
351 ret
= mi_lttng_writer_write_element_string(writer
,
352 mi_lttng_element_command_name
, command
);
358 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
360 return mi_lttng_writer_close_element(writer
);
364 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
365 const char *element_name
)
367 return config_writer_open_element(writer
->writer
, element_name
);
371 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
373 return config_writer_close_element(writer
->writer
);
377 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
378 unsigned int nb_element
)
382 if (nb_element
< 1) {
386 for (i
= 0; i
< nb_element
; i
++) {
387 ret
= mi_lttng_writer_close_element(writer
);
397 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
398 const char *element_name
, uint64_t value
)
400 return config_writer_write_element_unsigned_int(writer
->writer
,
401 element_name
, value
);
405 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
406 const char *element_name
, int64_t value
)
408 return config_writer_write_element_signed_int(writer
->writer
,
409 element_name
, value
);
413 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
414 const char *element_name
, int value
)
416 return config_writer_write_element_bool(writer
->writer
,
417 element_name
, value
);
421 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
422 const char *element_name
, const char *value
)
424 return config_writer_write_element_string(writer
->writer
,
425 element_name
, value
);
429 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
430 const char *lttng_description
, const char *lttng_license
)
435 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
440 /* Version string (contain info like rc etc.) */
441 ret
= mi_lttng_writer_write_element_string(writer
,
442 mi_lttng_element_version_str
, VERSION
);
447 /* Major version number */
448 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
449 mi_lttng_element_version_major
, version
->version_major
);
454 /* Minor version number */
455 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
456 mi_lttng_element_version_minor
, version
->version_minor
);
461 /* Commit version number */
462 ret
= mi_lttng_writer_write_element_string(writer
,
463 mi_lttng_element_version_commit
, version
->version_commit
);
469 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
470 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
475 /* Name of the version */
476 ret
= mi_lttng_writer_write_element_string(writer
,
477 config_element_name
, version
->version_name
);
482 /* Description mostly related to beer... */
483 ret
= mi_lttng_writer_write_element_string(writer
,
484 mi_lttng_element_version_description
, lttng_description
);
490 ret
= mi_lttng_writer_write_element_string(writer
,
491 mi_lttng_element_version_web
, version
->package_url
);
496 /* License: free as in free beer...no...*speech* */
497 ret
= mi_lttng_writer_write_element_string(writer
,
498 mi_lttng_element_version_license
, lttng_license
);
503 /* Close version element */
504 ret
= mi_lttng_writer_close_element(writer
);
511 int mi_lttng_sessions_open(struct mi_writer
*writer
)
513 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
517 int mi_lttng_session(struct mi_writer
*writer
,
518 struct lttng_session
*session
, int is_open
)
524 /* Open sessions element */
525 ret
= mi_lttng_writer_open_element(writer
,
526 config_element_session
);
531 /* Name of the session */
532 ret
= mi_lttng_writer_write_element_string(writer
,
533 config_element_name
, session
->name
);
539 ret
= mi_lttng_writer_write_element_string(writer
,
540 config_element_path
, session
->path
);
546 ret
= mi_lttng_writer_write_element_bool(writer
,
547 config_element_enabled
, session
->enabled
);
553 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
554 config_element_snapshot_mode
, session
->snapshot_mode
);
559 /* Live timer interval in usec */
560 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
561 config_element_live_timer_interval
,
562 session
->live_timer_interval
);
568 /* Closing session element */
569 ret
= mi_lttng_writer_close_element(writer
);
577 int mi_lttng_domains_open(struct mi_writer
*writer
)
579 return mi_lttng_writer_open_element(writer
, config_element_domains
);
583 int mi_lttng_domain(struct mi_writer
*writer
,
584 struct lttng_domain
*domain
, int is_open
)
587 const char *str_domain
;
588 const char *str_buffer
;
592 /* Open domain element */
593 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
599 str_domain
= mi_lttng_domaintype_string(domain
->type
);
600 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
607 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
608 ret
= mi_lttng_writer_write_element_string(writer
,
609 config_element_buffer_type
, str_buffer
);
614 /* TODO: attr... not sure how to use the union.... */
617 /* Closing domain element */
618 ret
= mi_lttng_writer_close_element(writer
);
627 int mi_lttng_channels_open(struct mi_writer
*writer
)
629 return mi_lttng_writer_open_element(writer
, config_element_channels
);
633 int mi_lttng_channel(struct mi_writer
*writer
,
634 struct lttng_channel
*channel
, int is_open
)
640 /* Opening channel element */
641 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
647 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
654 ret
= mi_lttng_writer_write_element_bool(writer
,
655 config_element_enabled
, channel
->enabled
);
661 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
667 /* Closing channel element */
668 ret
= mi_lttng_writer_close_element(writer
);
678 int mi_lttng_channel_attr(struct mi_writer
*writer
,
679 struct lttng_channel_attr
*attr
)
685 /* Opening Attributes */
686 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
692 ret
= mi_lttng_writer_write_element_string(writer
,
693 config_element_overwrite_mode
,
694 attr
->overwrite
? config_overwrite_mode_overwrite
:
695 config_overwrite_mode_discard
);
700 /* Sub buffer size in byte */
701 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
702 config_element_subbuf_size
, attr
->subbuf_size
);
707 /* Number of subbuffer (power of two) */
708 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
709 config_element_num_subbuf
,
715 /* Switch timer interval in usec */
716 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
717 config_element_switch_timer_interval
,
718 attr
->switch_timer_interval
);
723 /* Read timer interval in usec */
724 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
725 config_element_read_timer_interval
,
726 attr
->read_timer_interval
);
732 ret
= mi_lttng_writer_write_element_string(writer
,
733 config_element_output_type
,
734 attr
->output
== LTTNG_EVENT_SPLICE
?
735 config_output_type_splice
: config_output_type_mmap
);
740 /* Tracefile size in bytes */
741 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
742 config_element_tracefile_size
, attr
->tracefile_size
);
747 /* Count of tracefiles */
748 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
749 config_element_tracefile_count
,
750 attr
->tracefile_count
);
755 /* Live timer interval in usec*/
756 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
757 config_element_live_timer_interval
,
758 attr
->live_timer_interval
);
763 /* Closing attributes */
764 ret
= mi_lttng_writer_close_element(writer
);
774 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
775 struct lttng_event
*event
)
779 /* Open event element */
780 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
786 ret
= mi_lttng_writer_write_element_string(writer
,
787 config_element_name
, event
->name
);
793 ret
= mi_lttng_writer_write_element_string(writer
,
794 config_element_type
, mi_lttng_eventtype_string(event
->type
));
799 /* is event enabled */
800 ret
= mi_lttng_writer_write_element_bool(writer
,
801 config_element_enabled
, event
->enabled
);
806 /* event filter enabled? */
807 ret
= mi_lttng_writer_write_element_bool(writer
,
808 config_element_filter
, event
->filter
);
815 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
816 struct lttng_event
*event
)
821 ret
= mi_lttng_writer_write_element_string(writer
,
822 config_element_loglevel
, mi_lttng_loglevel_string(event
->loglevel
));
827 ret
= mi_lttng_writer_write_element_string(writer
,
828 config_element_loglevel_type
,
829 mi_lttng_logleveltype_string(event
->loglevel_type
));
834 /* event exclusion filter */
835 ret
= mi_lttng_writer_write_element_bool(writer
,
836 config_element_exclusion
, event
->exclusion
);
846 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
847 struct lttng_event
*event
)
849 /* event exclusion filter */
850 return mi_lttng_writer_write_element_bool(writer
,
851 config_element_exclusion
, event
->exclusion
);
855 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
856 struct lttng_event
*event
)
860 if (event
->attr
.probe
.addr
!= 0) {
861 /* event probe address */
862 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
863 config_element_address
, event
->attr
.probe
.addr
);
868 /* event probe offset */
869 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
870 config_element_offset
, event
->attr
.probe
.offset
);
875 /* event probe symbol_name */
876 ret
= mi_lttng_writer_write_element_string(writer
,
877 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
887 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
888 struct lttng_event
*event
)
890 /* event probe symbol_name */
891 return mi_lttng_writer_write_element_string(writer
,
892 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
896 int mi_lttng_events_open(struct mi_writer
*writer
)
898 return mi_lttng_writer_open_element(writer
, config_element_events
);
902 int mi_lttng_event(struct mi_writer
*writer
,
903 struct lttng_event
*event
, int is_open
)
907 ret
= mi_lttng_event_common_attributes(writer
, event
);
912 switch (event
->type
) {
913 /* 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
);
930 case LTTNG_EVENT_ALL
:
937 ret
= mi_lttng_writer_close_element(writer
);
945 int mi_lttng_pids_open(struct mi_writer
*writer
)
947 return mi_lttng_writer_open_element(writer
, mi_lttng_element_pids
);
951 int mi_lttng_pid(struct mi_writer
*writer
, pid_t pid
, const char *cmdline
,
956 /* Open element pid */
957 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_pid
);
962 /* Writing pid number */
963 ret
= mi_lttng_writer_write_element_signed_int(writer
,
964 mi_lttng_element_pid_id
, (int)pid
);
969 /* Writing name of the process */
970 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
978 ret
= mi_lttng_writer_close_element(writer
);
986 int mi_lttng_event_fields_open(struct mi_writer
*writer
)
988 return mi_lttng_writer_open_element(writer
, mi_lttng_element_event_fields
);
992 int mi_lttng_event_field(struct mi_writer
*writer
,
993 struct lttng_event_field
*field
)
997 if (!field
->field_name
[0]) {
998 /* To Review: not sure if legal david ?
999 * how should this be handle ?
1006 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_event_field
);
1011 if (!field
->field_name
[0]) {
1016 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1023 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1024 mi_lttng_eventfieldtype_string(field
->type
));
1030 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1031 mi_lttng_element_nowrite
, field
->nowrite
);
1037 /* Close field element */
1038 ret
= mi_lttng_writer_close_element(writer
);
1045 int mi_lttng_calibrate(struct mi_writer
*writer
,
1046 struct lttng_calibrate
*calibrate
)
1050 /* Open calibrate element */
1051 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_calibrate
);
1056 /* Calibration type */
1057 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1058 mi_lttng_calibratetype_string(calibrate
->type
));
1063 /* Closing calibrate element */
1064 ret
= mi_lttng_writer_close_element(writer
);
1069 int mi_lttng_context(struct mi_writer
*writer
,
1070 struct lttng_event_context
*context
, int is_open
)
1073 const char *type_string
;
1074 struct lttng_event_perf_counter_ctx
*perf_context
;
1076 ret
= mi_lttng_writer_open_element(writer
, config_element_context
);
1081 type_string
= mi_lttng_event_contexttype_string(context
->ctx
);
1083 ret
= -LTTNG_ERR_INVALID
;
1087 /* Print context type */
1088 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1091 /* Special case for PERF_*_COUNTER
1092 * print the lttng_event_perf_counter_ctx*/
1093 switch (context
->ctx
) {
1094 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
1095 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
1096 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
1097 perf_context
= &context
->u
.perf_counter
;
1098 ret
= mi_lttng_perf_counter_context(writer
, perf_context
);
1109 ret
= mi_lttng_writer_close_element(writer
);
1117 int mi_lttng_perf_counter_context(struct mi_writer
*writer
,
1118 struct lttng_event_perf_counter_ctx
*perf_context
)
1122 /* Open perf_counter_context */
1123 ret
= mi_lttng_writer_open_element(writer
,
1124 mi_lttng_element_perf_counter_context
);
1130 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1131 config_element_type
, perf_context
->type
);
1137 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1138 config_element_config
, perf_context
->config
);
1143 /* Name of the perf counter */
1144 ret
= mi_lttng_writer_write_element_string(writer
,
1145 config_element_name
, perf_context
->name
);
1150 /* Close perf_counter_context */
1151 ret
= mi_lttng_writer_close_element(writer
);