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
;
58 struct ust_app_event
{
61 struct lttng_ust_object_data
*obj
;
62 struct lttng_ust_event attr
;
63 char name
[LTTNG_UST_SYM_NAME_LEN
];
65 struct cds_lfht_node node
;
68 struct ust_app_channel
{
71 char name
[LTTNG_UST_SYM_NAME_LEN
];
72 struct lttng_ust_channel attr
;
73 struct lttng_ust_object_data
*obj
;
74 struct ltt_ust_stream_list streams
;
76 struct cds_lfht
*events
;
77 struct cds_lfht_node node
;
80 struct ust_app_session
{
82 /* started: has the session been in started state at any time ? */
83 int started
; /* allows detection of start vs restart. */
84 int handle
; /* Used has unique identifier */
86 struct ltt_ust_metadata
*metadata
;
87 struct cds_lfht
*channels
; /* Registered channels */
88 struct cds_lfht_node node
;
93 * Registered traceable applications. Libust registers to the session daemon
94 * and a linked list is kept of all running traceable app.
98 uid_t uid
; /* User ID that owns the apps */
99 gid_t gid
; /* Group ID that owns the apps */
101 uint32_t v_major
; /* Verion major number */
102 uint32_t v_minor
; /* Verion minor number */
103 char name
[17]; /* Process name (short) */
104 struct cds_lfht
*sessions
;
105 struct cds_lfht_node node
;
106 struct ust_app_key key
;
109 #ifdef HAVE_LIBLTTNG_UST_CTL
111 int ust_app_register(struct ust_register_msg
*msg
, int sock
);
112 void ust_app_unregister(int sock
);
113 int ust_app_create_channel_all(struct ltt_ust_session
*usess
,
114 struct ltt_ust_channel
*uchan
);
115 int ust_app_create_event_all(struct ltt_ust_session
*usess
,
116 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
);
117 unsigned long ust_app_list_count(void);
118 int ust_app_start_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
);
119 int ust_app_stop_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
);
120 int ust_app_start_trace_all(struct ltt_ust_session
*usess
);
121 int ust_app_stop_trace_all(struct ltt_ust_session
*usess
);
122 int ust_app_destroy_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
);
123 int ust_app_destroy_trace_all(struct ltt_ust_session
*usess
);
124 int ust_app_list_events(struct lttng_event
**events
);
125 int ust_app_disable_channel_all(struct ltt_ust_session
*usess
,
126 struct ltt_ust_channel
*uchan
);
127 int ust_app_enable_channel_all(struct ltt_ust_session
*usess
,
128 struct ltt_ust_channel
*uchan
);
129 int ust_app_enable_event_all(struct ltt_ust_session
*usess
,
130 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
);
131 int ust_app_disable_event_all(struct ltt_ust_session
*usess
,
132 struct ltt_ust_channel
*uchan
);
133 int ust_app_disable_event(struct ltt_ust_session
*usess
,
134 struct ltt_ust_channel
*uchan
, char *event_name
);
135 void ust_app_global_update(struct ltt_ust_session
*usess
, int sock
);
137 void ust_app_clean_list(void);
138 void ust_app_ht_alloc(void);
139 struct cds_lfht
*ust_app_get_ht(void);
140 struct ust_app
*ust_app_find_by_pid(pid_t pid
);
142 #else /* HAVE_LIBLTTNG_UST_CTL */
145 int ust_app_destroy_trace_all(struct ltt_ust_session
*usess
)
150 int ust_app_start_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
)
155 int ust_app_start_trace_all(struct ltt_ust_session
*usess
)
160 int ust_app_stop_trace_all(struct ltt_ust_session
*usess
)
165 int ust_app_list_events(struct lttng_event
**events
)
170 int ust_app_register(struct ust_register_msg
*msg
, int sock
)
175 void ust_app_unregister(int sock
)
179 unsigned int ust_app_list_count(void)
184 void ust_app_lock_list(void)
188 void ust_app_unlock_list(void)
192 void ust_app_clean_list(void)
196 struct ust_app_list
*ust_app_get_list(void)
201 struct ust_app
*ust_app_get_by_pid(pid_t pid
)
206 int ust_app_add_channel_all(struct ltt_ust_session
*usess
,
207 struct ltt_ust_channel
*uchan
)
212 int ust_app_add_event_all(struct ltt_ust_session
*usess
,
213 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
)
218 struct cds_lfht
*ust_app_get_ht(void)
223 void ust_app_ht_alloc(void)
226 void ust_app_global_update(struct ltt_ust_session
*usess
, int sock
)
229 int ust_app_disable_channel_all(struct ltt_ust_session
*usess
,
230 struct ltt_ust_channel
*uchan
)
235 int ust_app_enable_channel_all(struct ltt_ust_session
*usess
,
236 struct ltt_ust_channel
*uchan
)
241 int ust_app_disable_event_all(struct ltt_ust_session
*usess
,
242 struct ltt_ust_channel
*uchan
)
247 int ust_app_disable_event(struct ltt_ust_session
*usess
,
248 struct ltt_ust_channel
*uchan
, char *event_name
)
253 int ust_app_create_channel_all(struct ltt_ust_session
*usess
,
254 struct ltt_ust_channel
*uchan
)
259 int ust_app_create_event_all(struct ltt_ust_session
*usess
,
260 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
)
265 int ust_app_enable_event_all(struct ltt_ust_session
*usess
,
266 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
)
271 #endif /* HAVE_LIBLTTNG_UST_CTL */
273 #endif /* _LTT_UST_APP_H */