2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; only version 2
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #ifndef _LTT_UST_APP_H
20 #define _LTT_UST_APP_H
23 #include <urcu/list.h>
25 #include "trace-ust.h"
27 #define UST_APP_EVENT_LIST_SIZE 32
29 extern int ust_consumerd64_fd
, ust_consumerd32_fd
;
32 * Application registration data structure.
34 struct ust_register_msg
{
41 uint32_t bits_per_long
;
46 * Global applications HT used by the session daemon.
48 struct cds_lfht
*ust_app_ht
;
50 struct cds_lfht
*ust_app_sock_key_map
;
55 struct cds_lfht_node node
;
60 struct lttng_ust_context ctx
;
61 struct lttng_ust_object_data
*obj
;
62 struct cds_lfht_node node
;
65 struct ust_app_event
{
68 struct lttng_ust_object_data
*obj
;
69 struct lttng_ust_event attr
;
70 char name
[LTTNG_UST_SYM_NAME_LEN
];
72 struct cds_lfht_node node
;
75 struct ust_app_channel
{
78 char name
[LTTNG_UST_SYM_NAME_LEN
];
79 struct lttng_ust_channel attr
;
80 struct lttng_ust_object_data
*obj
;
81 struct ltt_ust_stream_list streams
;
83 struct cds_lfht
*events
;
84 struct cds_lfht_node node
;
87 struct ust_app_session
{
89 /* started: has the session been in started state at any time ? */
90 int started
; /* allows detection of start vs restart. */
91 int handle
; /* used has unique identifier for app session */
92 int id
; /* session unique identifier */
93 struct ltt_ust_metadata
*metadata
;
94 struct cds_lfht
*channels
; /* Registered channels */
95 struct cds_lfht_node node
;
96 /* UID/GID of the user owning the session */
103 * Registered traceable applications. Libust registers to the session daemon
104 * and a linked list is kept of all running traceable app.
108 uid_t uid
; /* User ID that owns the apps */
109 gid_t gid
; /* Group ID that owns the apps */
111 uint32_t v_major
; /* Verion major number */
112 uint32_t v_minor
; /* Verion minor number */
113 char name
[17]; /* Process name (short) */
114 struct cds_lfht
*sessions
;
115 struct cds_lfht_node node
;
116 struct ust_app_key key
;
119 #ifdef HAVE_LIBLTTNG_UST_CTL
121 int ust_app_register(struct ust_register_msg
*msg
, int sock
);
122 void ust_app_unregister(int sock
);
123 unsigned long ust_app_list_count(void);
124 int ust_app_start_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
);
125 int ust_app_stop_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
);
126 int ust_app_start_trace_all(struct ltt_ust_session
*usess
);
127 int ust_app_stop_trace_all(struct ltt_ust_session
*usess
);
128 int ust_app_destroy_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
);
129 int ust_app_destroy_trace_all(struct ltt_ust_session
*usess
);
130 int ust_app_list_events(struct lttng_event
**events
);
131 int ust_app_create_channel_glb(struct ltt_ust_session
*usess
,
132 struct ltt_ust_channel
*uchan
);
133 int ust_app_create_event_glb(struct ltt_ust_session
*usess
,
134 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
);
135 int ust_app_disable_event_pid(struct ltt_ust_session
*usess
,
136 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
138 int ust_app_enable_event_pid(struct ltt_ust_session
*usess
,
139 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
141 int ust_app_disable_channel_glb(struct ltt_ust_session
*usess
,
142 struct ltt_ust_channel
*uchan
);
143 int ust_app_enable_channel_glb(struct ltt_ust_session
*usess
,
144 struct ltt_ust_channel
*uchan
);
145 int ust_app_enable_event_glb(struct ltt_ust_session
*usess
,
146 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
);
147 int ust_app_disable_all_event_glb(struct ltt_ust_session
*usess
,
148 struct ltt_ust_channel
*uchan
);
149 int ust_app_enable_all_event_glb(struct ltt_ust_session
*usess
,
150 struct ltt_ust_channel
*uchan
);
151 int ust_app_disable_event_glb(struct ltt_ust_session
*usess
,
152 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
);
153 int ust_app_add_ctx_event_glb(struct ltt_ust_session
*usess
,
154 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
155 struct ltt_ust_context
*uctx
);
156 int ust_app_add_ctx_channel_glb(struct ltt_ust_session
*usess
,
157 struct ltt_ust_channel
*uchan
, struct ltt_ust_context
*uctx
);
158 void ust_app_global_update(struct ltt_ust_session
*usess
, int sock
);
160 void ust_app_clean_list(void);
161 void ust_app_ht_alloc(void);
162 struct cds_lfht
*ust_app_get_ht(void);
163 struct ust_app
*ust_app_find_by_pid(pid_t pid
);
165 #else /* HAVE_LIBLTTNG_UST_CTL */
168 int ust_app_destroy_trace_all(struct ltt_ust_session
*usess
)
173 int ust_app_start_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
)
178 int ust_app_start_trace_all(struct ltt_ust_session
*usess
)
183 int ust_app_stop_trace_all(struct ltt_ust_session
*usess
)
188 int ust_app_list_events(struct lttng_event
**events
)
193 int ust_app_register(struct ust_register_msg
*msg
, int sock
)
198 void ust_app_unregister(int sock
)
202 unsigned int ust_app_list_count(void)
207 void ust_app_lock_list(void)
211 void ust_app_unlock_list(void)
215 void ust_app_clean_list(void)
219 struct ust_app_list
*ust_app_get_list(void)
224 struct ust_app
*ust_app_get_by_pid(pid_t pid
)
229 struct cds_lfht
*ust_app_get_ht(void)
234 void ust_app_ht_alloc(void)
237 void ust_app_global_update(struct ltt_ust_session
*usess
, int sock
)
240 int ust_app_disable_channel_glb(struct ltt_ust_session
*usess
,
241 struct ltt_ust_channel
*uchan
)
246 int ust_app_enable_channel_glb(struct ltt_ust_session
*usess
,
247 struct ltt_ust_channel
*uchan
)
252 int ust_app_create_channel_glb(struct ltt_ust_session
*usess
,
253 struct ltt_ust_channel
*uchan
)
258 int ust_app_disable_all_event_glb(struct ltt_ust_session
*usess
,
259 struct ltt_ust_channel
*uchan
)
264 int ust_app_enable_all_event_glb(struct ltt_ust_session
*usess
,
265 struct ltt_ust_channel
*uchan
)
270 int ust_app_create_event_glb(struct ltt_ust_session
*usess
,
271 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
)
276 int ust_app_disable_event_glb(struct ltt_ust_session
*usess
,
277 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
)
282 int ust_app_enable_event_glb(struct ltt_ust_session
*usess
,
283 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
)
288 int ust_app_add_ctx_event_glb(struct ltt_ust_session
*usess
,
289 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
290 struct ltt_ust_context
*uctx
)
295 int ust_app_add_ctx_channel_glb(struct ltt_ust_session
*usess
,
296 struct ltt_ust_channel
*uchan
, struct ltt_ust_context
*uctx
)
301 int ust_app_enable_event_pid(struct ltt_ust_session
*usess
,
302 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
308 int ust_app_disable_event_pid(struct ltt_ust_session
*usess
,
309 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
315 #endif /* HAVE_LIBLTTNG_UST_CTL */
317 #endif /* _LTT_UST_APP_H */