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 lttng_ht
*ust_app_ht
;
50 struct lttng_ht
*ust_app_sock_key_map
;
55 struct lttng_ht_node_ulong node
;
60 struct lttng_ust_context ctx
;
61 struct lttng_ust_object_data
*obj
;
62 struct lttng_ht_node_ulong 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 lttng_ht_node_str 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 lttng_ht
*events
;
84 struct lttng_ht_node_str 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 lttng_ht
*channels
; /* Registered channels */
95 struct lttng_ht_node_ulong node
;
97 /* 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 lttng_ht
*sessions
;
115 struct lttng_ht_node_ulong 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
);
123 int ust_app_register_done(int sock
)
125 return ustctl_register_done(sock
);
127 void ust_app_unregister(int sock
);
128 unsigned long ust_app_list_count(void);
129 int ust_app_start_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
);
130 int ust_app_stop_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
);
131 int ust_app_start_trace_all(struct ltt_ust_session
*usess
);
132 int ust_app_stop_trace_all(struct ltt_ust_session
*usess
);
133 int ust_app_destroy_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
);
134 int ust_app_destroy_trace_all(struct ltt_ust_session
*usess
);
135 int ust_app_list_events(struct lttng_event
**events
);
136 int ust_app_create_channel_glb(struct ltt_ust_session
*usess
,
137 struct ltt_ust_channel
*uchan
);
138 int ust_app_create_event_glb(struct ltt_ust_session
*usess
,
139 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
);
140 int ust_app_disable_event_pid(struct ltt_ust_session
*usess
,
141 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
143 int ust_app_enable_event_pid(struct ltt_ust_session
*usess
,
144 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
146 int ust_app_disable_channel_glb(struct ltt_ust_session
*usess
,
147 struct ltt_ust_channel
*uchan
);
148 int ust_app_enable_channel_glb(struct ltt_ust_session
*usess
,
149 struct ltt_ust_channel
*uchan
);
150 int ust_app_enable_event_glb(struct ltt_ust_session
*usess
,
151 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
);
152 int ust_app_disable_all_event_glb(struct ltt_ust_session
*usess
,
153 struct ltt_ust_channel
*uchan
);
154 int ust_app_enable_all_event_glb(struct ltt_ust_session
*usess
,
155 struct ltt_ust_channel
*uchan
);
156 int ust_app_disable_event_glb(struct ltt_ust_session
*usess
,
157 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
);
158 int ust_app_add_ctx_event_glb(struct ltt_ust_session
*usess
,
159 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
160 struct ltt_ust_context
*uctx
);
161 int ust_app_add_ctx_channel_glb(struct ltt_ust_session
*usess
,
162 struct ltt_ust_channel
*uchan
, struct ltt_ust_context
*uctx
);
163 void ust_app_global_update(struct ltt_ust_session
*usess
, int sock
);
165 void ust_app_clean_list(void);
166 void ust_app_ht_alloc(void);
167 struct lttng_ht
*ust_app_get_ht(void);
168 struct ust_app
*ust_app_find_by_pid(pid_t pid
);
170 #else /* HAVE_LIBLTTNG_UST_CTL */
173 int ust_app_destroy_trace_all(struct ltt_ust_session
*usess
)
178 int ust_app_start_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
)
183 int ust_app_start_trace_all(struct ltt_ust_session
*usess
)
188 int ust_app_stop_trace_all(struct ltt_ust_session
*usess
)
193 int ust_app_list_events(struct lttng_event
**events
)
198 int ust_app_register(struct ust_register_msg
*msg
, int sock
)
203 int ust_app_register_done(int sock
)
208 void ust_app_unregister(int sock
)
212 unsigned int ust_app_list_count(void)
217 void ust_app_lock_list(void)
221 void ust_app_unlock_list(void)
225 void ust_app_clean_list(void)
229 struct ust_app_list
*ust_app_get_list(void)
234 struct ust_app
*ust_app_get_by_pid(pid_t pid
)
239 struct lttng_ht
*ust_app_get_ht(void)
244 void ust_app_ht_alloc(void)
247 void ust_app_global_update(struct ltt_ust_session
*usess
, int sock
)
250 int ust_app_disable_channel_glb(struct ltt_ust_session
*usess
,
251 struct ltt_ust_channel
*uchan
)
256 int ust_app_enable_channel_glb(struct ltt_ust_session
*usess
,
257 struct ltt_ust_channel
*uchan
)
262 int ust_app_create_channel_glb(struct ltt_ust_session
*usess
,
263 struct ltt_ust_channel
*uchan
)
268 int ust_app_disable_all_event_glb(struct ltt_ust_session
*usess
,
269 struct ltt_ust_channel
*uchan
)
274 int ust_app_enable_all_event_glb(struct ltt_ust_session
*usess
,
275 struct ltt_ust_channel
*uchan
)
280 int ust_app_create_event_glb(struct ltt_ust_session
*usess
,
281 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
)
286 int ust_app_disable_event_glb(struct ltt_ust_session
*usess
,
287 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
)
292 int ust_app_enable_event_glb(struct ltt_ust_session
*usess
,
293 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
)
298 int ust_app_add_ctx_event_glb(struct ltt_ust_session
*usess
,
299 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
300 struct ltt_ust_context
*uctx
)
305 int ust_app_add_ctx_channel_glb(struct ltt_ust_session
*usess
,
306 struct ltt_ust_channel
*uchan
, struct ltt_ust_context
*uctx
)
311 int ust_app_enable_event_pid(struct ltt_ust_session
*usess
,
312 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
318 int ust_app_disable_event_pid(struct ltt_ust_session
*usess
,
319 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
,
325 #endif /* HAVE_LIBLTTNG_UST_CTL */
327 #endif /* _LTT_UST_APP_H */