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_disable_event
= "disable-event";
43 const char * const mi_lttng_element_command_output
= "output";
44 const char * const mi_lttng_element_command_success
= "success";
46 /* Strings related to version command */
47 const char * const mi_lttng_element_version
= "version";
48 const char * const mi_lttng_element_version_str
= "string";
49 const char * const mi_lttng_element_version_web
= "url";
50 const char * const mi_lttng_element_version_major
= "major";
51 const char * const mi_lttng_element_version_minor
= "minor";
52 const char * const mi_lttng_element_version_commit
= "commit";
53 const char * const mi_lttng_element_version_license
= "license";
54 const char * const mi_lttng_element_version_patch_level
= "patchLevel";
55 const char * const mi_lttng_element_version_description
= "description";
57 /* Strings related to pid */
58 const char * const mi_lttng_element_pids
= "pids";
59 const char * const mi_lttng_element_pid
= "pid";
60 const char * const mi_lttng_element_pid_id
= "id";
62 /* Strings related to save command */
63 const char * const mi_lttng_element_save
= "save";
65 /* Strings related to load command */
66 const char * const mi_lttng_element_load
= "load";
68 /* String related to a lttng_event_field */
69 const char * const mi_lttng_element_event_field
= "event_field";
70 const char * const mi_lttng_element_event_fields
= "event_fields";
72 /* String related to lttng_event_context */
73 const char * const mi_lttng_context_type_perf_counter
= "PERF_COUNTER";
74 const char * const mi_lttng_context_type_perf_cpu_counter
= "PERF_CPU_COUNTER";
75 const char * const mi_lttng_context_type_perf_thread_counter
= "PERF_THREAD_COUNTER";
77 /* String related to lttng_event_perf_counter_ctx */
78 const char * const mi_lttng_element_perf_counter_context
= "perf_counter_context";
80 /* General elements of mi_lttng */
81 const char * const mi_lttng_element_type_other
= "OTHER";
82 const char * const mi_lttng_element_type_integer
= "INTEGER";
83 const char * const mi_lttng_element_type_enum
= "ENUM";
84 const char * const mi_lttng_element_type_float
= "FLOAT";
85 const char * const mi_lttng_element_type_string
= "STRING";
86 const char * const mi_lttng_element_nowrite
= "nowrite";
87 const char * const mi_lttng_element_success
= "success";
89 /* String related to loglevel */
90 const char * const mi_lttng_loglevel_str_alert
= "TRACE_ALERT";
91 const char * const mi_lttng_loglevel_str_crit
= "TRACE_CRIT";
92 const char * const mi_lttng_loglevel_str_debug
= "TRACE_DEBUG";
93 const char * const mi_lttng_loglevel_str_debug_function
= "TRACE_DEBUG_FUNCTION";
94 const char * const mi_lttng_loglevel_str_debug_line
= "TRACE_DEBUG_LINE";
95 const char * const mi_lttng_loglevel_str_debug_module
= "TRACE_DEBUG_MODULE";
96 const char * const mi_lttng_loglevel_str_debug_process
= "TRACE_DEBUG_PROCESS";
97 const char * const mi_lttng_loglevel_str_debug_program
= "TRACE_DEBUG_PROGRAM";
98 const char * const mi_lttng_loglevel_str_debug_system
= "TRACE_DEBUG_SYSTEM";
99 const char * const mi_lttng_loglevel_str_debug_unit
= "TRACE_DEBUG_UNIT";
100 const char * const mi_lttng_loglevel_str_emerg
= "TRACE_EMERG";
101 const char * const mi_lttng_loglevel_str_err
= "TRACE_ERR";
102 const char * const mi_lttng_loglevel_str_info
= "TRACE_INFO";
103 const char * const mi_lttng_loglevel_str_notice
= "TRACE_NOTICE";
104 const char * const mi_lttng_loglevel_str_unknown
= "UNKNOWN";
105 const char * const mi_lttng_loglevel_str_warning
= "TRACE_WARNING";
107 /* String related to loglevel type */
108 const char * const mi_lttng_loglevel_type_all
= "ALL";
109 const char * const mi_lttng_loglevel_type_range
= "RANGE";
110 const char * const mi_lttng_loglevel_type_single
= "SINGLE";
111 const char * const mi_lttng_loglevel_type_unknown
= "UNKNOWN";
113 /* String related to lttng_calibrate */
114 const char * const mi_lttng_element_calibrate
= "calibrate";
115 const char * const mi_lttng_element_calibrate_function
= "FUNCTION";
117 const char * const mi_lttng_element_empty
= "";
119 const char *mi_lttng_loglevel_string(int value
)
123 return mi_lttng_element_empty
;
124 case LTTNG_LOGLEVEL_EMERG
:
125 return mi_lttng_loglevel_str_emerg
;
126 case LTTNG_LOGLEVEL_ALERT
:
127 return mi_lttng_loglevel_str_alert
;
128 case LTTNG_LOGLEVEL_CRIT
:
129 return mi_lttng_loglevel_str_crit
;
130 case LTTNG_LOGLEVEL_ERR
:
131 return mi_lttng_loglevel_str_err
;
132 case LTTNG_LOGLEVEL_WARNING
:
133 return mi_lttng_loglevel_str_warning
;
134 case LTTNG_LOGLEVEL_NOTICE
:
135 return mi_lttng_loglevel_str_notice
;
136 case LTTNG_LOGLEVEL_INFO
:
137 return mi_lttng_loglevel_str_info
;
138 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
139 return mi_lttng_loglevel_str_debug_system
;
140 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
141 return mi_lttng_loglevel_str_debug_program
;
142 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
143 return mi_lttng_loglevel_str_debug_process
;
144 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
145 return mi_lttng_loglevel_str_debug_module
;
146 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
147 return mi_lttng_loglevel_str_debug_unit
;
148 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
149 return mi_lttng_loglevel_str_debug_function
;
150 case LTTNG_LOGLEVEL_DEBUG_LINE
:
151 return mi_lttng_loglevel_str_debug_line
;
152 case LTTNG_LOGLEVEL_DEBUG
:
153 return mi_lttng_loglevel_str_debug
;
155 return mi_lttng_loglevel_str_unknown
;
159 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
162 case LTTNG_EVENT_LOGLEVEL_ALL
:
163 return mi_lttng_loglevel_type_all
;
164 case LTTNG_EVENT_LOGLEVEL_RANGE
:
165 return mi_lttng_loglevel_type_range
;
166 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
167 return mi_lttng_loglevel_type_single
;
169 return mi_lttng_loglevel_type_unknown
;
173 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
176 case LTTNG_EVENT_ALL
:
177 return config_event_type_all
;
178 case LTTNG_EVENT_TRACEPOINT
:
179 return config_event_type_tracepoint
;
180 case LTTNG_EVENT_PROBE
:
181 return config_event_type_probe
;
182 case LTTNG_EVENT_FUNCTION
:
183 return config_event_type_function
;
184 case LTTNG_EVENT_FUNCTION_ENTRY
:
185 return config_event_type_function_entry
;
186 case LTTNG_EVENT_SYSCALL
:
187 return config_event_type_syscall
;
188 case LTTNG_EVENT_NOOP
:
189 return config_event_type_noop
;
191 return mi_lttng_element_empty
;
195 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
198 case LTTNG_EVENT_CONTEXT_PID
:
199 return config_event_context_pid
;
200 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
201 return mi_lttng_context_type_perf_counter
;
202 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
203 return mi_lttng_context_type_perf_thread_counter
;
204 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
205 return mi_lttng_context_type_perf_cpu_counter
;
206 case LTTNG_EVENT_CONTEXT_PROCNAME
:
207 return config_event_context_procname
;
208 case LTTNG_EVENT_CONTEXT_PRIO
:
209 return config_event_context_prio
;
210 case LTTNG_EVENT_CONTEXT_NICE
:
211 return config_event_context_nice
;
212 case LTTNG_EVENT_CONTEXT_VPID
:
213 return config_event_context_vpid
;
214 case LTTNG_EVENT_CONTEXT_TID
:
215 return config_event_context_tid
;
216 case LTTNG_EVENT_CONTEXT_VTID
:
217 return config_event_context_vtid
;
218 case LTTNG_EVENT_CONTEXT_PPID
:
219 return config_event_context_ppid
;
220 case LTTNG_EVENT_CONTEXT_VPPID
:
221 return config_event_context_vppid
;
222 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
223 return config_event_context_pthread_id
;
224 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
225 return config_event_context_hostname
;
226 case LTTNG_EVENT_CONTEXT_IP
:
227 return config_event_context_ip
;
233 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
236 case(LTTNG_EVENT_FIELD_INTEGER
):
237 return mi_lttng_element_type_integer
;
238 case(LTTNG_EVENT_FIELD_ENUM
):
239 return mi_lttng_element_type_enum
;
240 case(LTTNG_EVENT_FIELD_FLOAT
):
241 return mi_lttng_element_type_float
;
242 case(LTTNG_EVENT_FIELD_STRING
):
243 return mi_lttng_element_type_string
;
245 return mi_lttng_element_type_other
;
249 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
251 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
253 case LTTNG_DOMAIN_KERNEL
:
254 return config_domain_type_kernel
;
255 case LTTNG_DOMAIN_UST
:
256 return config_domain_type_ust
;
257 case LTTNG_DOMAIN_JUL
:
258 return config_domain_type_jul
;
260 /* Should not have an unknown domain */
265 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
268 case LTTNG_BUFFER_PER_PID
:
269 return config_buffer_type_per_pid
;
270 case LTTNG_BUFFER_PER_UID
:
271 return config_buffer_type_per_uid
;
272 case LTTNG_BUFFER_GLOBAL
:
273 return config_buffer_type_global
;
275 /* Should not have an unknow buffer type */
280 const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val
)
285 case LTTNG_CALIBRATE_FUNCTION
:
286 ret
= mi_lttng_element_calibrate_function
;
289 ret
= mi_lttng_element_empty
;
296 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
298 struct mi_writer
*mi_writer
;
300 mi_writer
= zmalloc(sizeof(struct mi_writer
));
302 PERROR("zmalloc mi_writer_create");
305 if (mi_output_type
== LTTNG_MI_XML
) {
306 mi_writer
->writer
= config_writer_create(fd_output
);
307 if (!mi_writer
->writer
) {
310 mi_writer
->type
= LTTNG_MI_XML
;
324 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
333 ret
= config_writer_destroy(writer
->writer
);
344 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
348 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_command
);
352 ret
= mi_lttng_writer_write_element_string(writer
,
353 mi_lttng_element_command_name
, command
);
359 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
361 return mi_lttng_writer_close_element(writer
);
365 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
366 const char *element_name
)
368 return config_writer_open_element(writer
->writer
, element_name
);
372 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
374 return config_writer_close_element(writer
->writer
);
378 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
379 unsigned int nb_element
)
383 if (nb_element
< 1) {
387 for (i
= 0; i
< nb_element
; i
++) {
388 ret
= mi_lttng_writer_close_element(writer
);
398 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
399 const char *element_name
, uint64_t value
)
401 return config_writer_write_element_unsigned_int(writer
->writer
,
402 element_name
, value
);
406 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
407 const char *element_name
, int64_t value
)
409 return config_writer_write_element_signed_int(writer
->writer
,
410 element_name
, value
);
414 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
415 const char *element_name
, int value
)
417 return config_writer_write_element_bool(writer
->writer
,
418 element_name
, value
);
422 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
423 const char *element_name
, const char *value
)
425 return config_writer_write_element_string(writer
->writer
,
426 element_name
, value
);
430 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
431 const char *lttng_description
, const char *lttng_license
)
436 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
441 /* Version string (contain info like rc etc.) */
442 ret
= mi_lttng_writer_write_element_string(writer
,
443 mi_lttng_element_version_str
, VERSION
);
448 /* Major version number */
449 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
450 mi_lttng_element_version_major
, version
->version_major
);
455 /* Minor version number */
456 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
457 mi_lttng_element_version_minor
, version
->version_minor
);
462 /* Commit version number */
463 ret
= mi_lttng_writer_write_element_string(writer
,
464 mi_lttng_element_version_commit
, version
->version_commit
);
470 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
471 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
476 /* Name of the version */
477 ret
= mi_lttng_writer_write_element_string(writer
,
478 config_element_name
, version
->version_name
);
483 /* Description mostly related to beer... */
484 ret
= mi_lttng_writer_write_element_string(writer
,
485 mi_lttng_element_version_description
, lttng_description
);
491 ret
= mi_lttng_writer_write_element_string(writer
,
492 mi_lttng_element_version_web
, version
->package_url
);
497 /* License: free as in free beer...no...*speech* */
498 ret
= mi_lttng_writer_write_element_string(writer
,
499 mi_lttng_element_version_license
, lttng_license
);
504 /* Close version element */
505 ret
= mi_lttng_writer_close_element(writer
);
512 int mi_lttng_sessions_open(struct mi_writer
*writer
)
514 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
518 int mi_lttng_session(struct mi_writer
*writer
,
519 struct lttng_session
*session
, int is_open
)
525 /* Open sessions element */
526 ret
= mi_lttng_writer_open_element(writer
,
527 config_element_session
);
532 /* Name of the session */
533 ret
= mi_lttng_writer_write_element_string(writer
,
534 config_element_name
, session
->name
);
540 ret
= mi_lttng_writer_write_element_string(writer
,
541 config_element_path
, session
->path
);
547 ret
= mi_lttng_writer_write_element_bool(writer
,
548 config_element_enabled
, session
->enabled
);
554 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
555 config_element_snapshot_mode
, session
->snapshot_mode
);
560 /* Live timer interval in usec */
561 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
562 config_element_live_timer_interval
,
563 session
->live_timer_interval
);
569 /* Closing session element */
570 ret
= mi_lttng_writer_close_element(writer
);
578 int mi_lttng_domains_open(struct mi_writer
*writer
)
580 return mi_lttng_writer_open_element(writer
, config_element_domains
);
584 int mi_lttng_domain(struct mi_writer
*writer
,
585 struct lttng_domain
*domain
, int is_open
)
588 const char *str_domain
;
589 const char *str_buffer
;
593 /* Open domain element */
594 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
600 str_domain
= mi_lttng_domaintype_string(domain
->type
);
601 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
608 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
609 ret
= mi_lttng_writer_write_element_string(writer
,
610 config_element_buffer_type
, str_buffer
);
615 /* TODO: attr... not sure how to use the union.... */
618 /* Closing domain element */
619 ret
= mi_lttng_writer_close_element(writer
);
628 int mi_lttng_channels_open(struct mi_writer
*writer
)
630 return mi_lttng_writer_open_element(writer
, config_element_channels
);
634 int mi_lttng_channel(struct mi_writer
*writer
,
635 struct lttng_channel
*channel
, int is_open
)
641 /* Opening channel element */
642 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
648 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
655 ret
= mi_lttng_writer_write_element_bool(writer
,
656 config_element_enabled
, channel
->enabled
);
662 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
668 /* Closing channel element */
669 ret
= mi_lttng_writer_close_element(writer
);
679 int mi_lttng_channel_attr(struct mi_writer
*writer
,
680 struct lttng_channel_attr
*attr
)
686 /* Opening Attributes */
687 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
693 ret
= mi_lttng_writer_write_element_string(writer
,
694 config_element_overwrite_mode
,
695 attr
->overwrite
? config_overwrite_mode_overwrite
:
696 config_overwrite_mode_discard
);
701 /* Sub buffer size in byte */
702 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
703 config_element_subbuf_size
, attr
->subbuf_size
);
708 /* Number of subbuffer (power of two) */
709 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
710 config_element_num_subbuf
,
716 /* Switch timer interval in usec */
717 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
718 config_element_switch_timer_interval
,
719 attr
->switch_timer_interval
);
724 /* Read timer interval in usec */
725 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
726 config_element_read_timer_interval
,
727 attr
->read_timer_interval
);
733 ret
= mi_lttng_writer_write_element_string(writer
,
734 config_element_output_type
,
735 attr
->output
== LTTNG_EVENT_SPLICE
?
736 config_output_type_splice
: config_output_type_mmap
);
741 /* Tracefile size in bytes */
742 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
743 config_element_tracefile_size
, attr
->tracefile_size
);
748 /* Count of tracefiles */
749 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
750 config_element_tracefile_count
,
751 attr
->tracefile_count
);
756 /* Live timer interval in usec*/
757 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
758 config_element_live_timer_interval
,
759 attr
->live_timer_interval
);
764 /* Closing attributes */
765 ret
= mi_lttng_writer_close_element(writer
);
775 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
776 struct lttng_event
*event
)
780 /* Open event element */
781 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
787 ret
= mi_lttng_writer_write_element_string(writer
,
788 config_element_name
, event
->name
);
794 ret
= mi_lttng_writer_write_element_string(writer
,
795 config_element_type
, mi_lttng_eventtype_string(event
->type
));
800 /* is event enabled */
801 ret
= mi_lttng_writer_write_element_bool(writer
,
802 config_element_enabled
, event
->enabled
);
807 /* event filter enabled? */
808 ret
= mi_lttng_writer_write_element_bool(writer
,
809 config_element_filter
, event
->filter
);
816 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
817 struct lttng_event
*event
)
822 ret
= mi_lttng_writer_write_element_string(writer
,
823 config_element_loglevel
, mi_lttng_loglevel_string(event
->loglevel
));
828 ret
= mi_lttng_writer_write_element_string(writer
,
829 config_element_loglevel_type
,
830 mi_lttng_logleveltype_string(event
->loglevel_type
));
835 /* event exclusion filter */
836 ret
= mi_lttng_writer_write_element_bool(writer
,
837 config_element_exclusion
, event
->exclusion
);
847 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
848 struct lttng_event
*event
)
850 /* event exclusion filter */
851 return mi_lttng_writer_write_element_bool(writer
,
852 config_element_exclusion
, event
->exclusion
);
856 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
857 struct lttng_event
*event
)
861 if (event
->attr
.probe
.addr
!= 0) {
862 /* event probe address */
863 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
864 config_element_address
, event
->attr
.probe
.addr
);
869 /* event probe offset */
870 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
871 config_element_offset
, event
->attr
.probe
.offset
);
876 /* event probe symbol_name */
877 ret
= mi_lttng_writer_write_element_string(writer
,
878 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
888 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
889 struct lttng_event
*event
)
891 /* event probe symbol_name */
892 return mi_lttng_writer_write_element_string(writer
,
893 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
897 int mi_lttng_events_open(struct mi_writer
*writer
)
899 return mi_lttng_writer_open_element(writer
, config_element_events
);
903 int mi_lttng_event(struct mi_writer
*writer
,
904 struct lttng_event
*event
, int is_open
)
908 ret
= mi_lttng_event_common_attributes(writer
, event
);
913 switch (event
->type
) {
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
);