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
30 * Application registration data structure.
32 struct ust_register_msg
{
43 * Global applications HT used by the session daemon.
45 struct cds_lfht
*ust_app_ht
;
47 struct cds_lfht
*ust_app_sock_key_map
;
52 struct cds_lfht_node node
;
55 struct ust_app_event
{
58 struct lttng_ust_object_data
*obj
;
59 char name
[LTTNG_UST_SYM_NAME_LEN
];
61 struct cds_lfht_node node
;
64 struct ust_app_channel
{
67 char name
[LTTNG_UST_SYM_NAME_LEN
];
68 struct lttng_ust_channel attr
;
69 struct lttng_ust_object_data
*obj
;
70 struct ltt_ust_stream_list streams
;
72 struct cds_lfht
*events
;
73 struct cds_lfht_node node
;
76 struct ust_app_session
{
78 int handle
; /* Used has unique identifier */
80 struct ltt_ust_metadata
*metadata
;
81 struct lttng_ust_object_data
*obj
;
82 struct cds_lfht
*channels
; /* Registered channels */
83 struct cds_lfht_node node
;
87 * Registered traceable applications. Libust registers to the session daemon
88 * and a linked list is kept of all running traceable app.
92 uid_t uid
; /* User ID that owns the apps */
93 gid_t gid
; /* Group ID that owns the apps */
94 uint32_t v_major
; /* Verion major number */
95 uint32_t v_minor
; /* Verion minor number */
96 char name
[17]; /* Process name (short) */
97 struct cds_lfht
*sessions
;
98 struct cds_lfht_node node
;
99 struct ust_app_key key
;
103 #ifdef HAVE_LIBLTTNG_UST_CTL
105 int ust_app_register(struct ust_register_msg
*msg
, int sock
);
106 void ust_app_unregister(int sock
);
107 int ust_app_add_channel_all(struct ltt_ust_session
*usess
,
108 struct ltt_ust_channel
*uchan
);
109 int ust_app_add_event_all(struct ltt_ust_session
*usess
,
110 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
);
111 unsigned long ust_app_list_count(void);
112 int ust_app_start_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
);
113 int ust_app_start_trace_all(struct ltt_ust_session
*usess
);
114 int ust_app_list_events(struct lttng_event
**events
);
115 void ust_app_global_update(struct ltt_ust_session
*usess
, int sock
);
117 void ust_app_clean_list(void);
118 void ust_app_ht_alloc(void);
119 struct cds_lfht
*ust_app_get_ht(void);
120 struct ust_app
*ust_app_find_by_pid(pid_t pid
);
122 #else /* HAVE_LIBLTTNG_UST_CTL */
125 int ust_app_start_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
)
130 int ust_app_start_trace_all(struct ltt_ust_session
*usess
)
135 int ust_app_list_events(struct lttng_event
**events
)
140 int ust_app_register(struct ust_register_msg
*msg
, int sock
)
145 void ust_app_unregister(int sock
)
149 unsigned int ust_app_list_count(void)
154 void ust_app_lock_list(void)
158 void ust_app_unlock_list(void)
162 void ust_app_clean_list(void)
166 struct ust_app_list
*ust_app_get_list(void)
171 struct ust_app
*ust_app_get_by_pid(pid_t pid
)
176 int ust_app_add_channel_all(struct ltt_ust_session
*usess
,
177 struct ltt_ust_channel
*uchan
)
182 int ust_app_add_event_all(struct ltt_ust_session
*usess
,
183 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
)
188 struct cds_lfht
*ust_app_get_ht(void)
193 void ust_app_ht_alloc(void)
197 void ust_app_global_update(struct ltt_ust_session
*usess
, int sock
)
201 #endif /* HAVE_LIBLTTNG_UST_CTL */
203 #endif /* _LTT_UST_APP_H */