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20fe2104 DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
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; either version 2 | |
7 | * of the License, or (at your option) any later version. | |
8 | * | |
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. | |
13 | * | |
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. | |
17 | */ | |
18 | ||
19 | #ifndef _LTT_KERNEL_CTL_H | |
20 | #define _LTT_KERNEL_CTL_H | |
21 | ||
8c0faa1d | 22 | #include "session.h" |
9e78d6ae | 23 | #include "trace.h" |
f34daff7 | 24 | |
2ef84c95 DG |
25 | /* |
26 | * Default size for the event list when kernel_list_events is called. This size | |
27 | * value is based on the initial LTTng 2.0 version set of tracepoints. This is | |
28 | * NOT an upper bound because if the real event list size is bigger, dynamic | |
29 | * reallocation is performed. | |
30 | */ | |
31 | #define KERNEL_EVENT_LIST_SIZE 2000 | |
32 | ||
d65106b1 DG |
33 | int kernel_add_channel_context(struct ltt_kernel_channel *chan, |
34 | struct lttng_kernel_context *ctx); | |
35 | int kernel_add_event_context(struct ltt_kernel_event *event, | |
36 | struct lttng_kernel_context *ctx); | |
8c0faa1d | 37 | int kernel_create_session(struct ltt_session *session, int tracer_fd); |
f3ed775e | 38 | int kernel_create_channel(struct ltt_kernel_session *session, struct lttng_channel *chan); |
19e70852 | 39 | int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel); |
26cc6b4e | 40 | int kernel_disable_channel(struct ltt_kernel_channel *chan); |
19e70852 DG |
41 | int kernel_disable_event(struct ltt_kernel_event *event); |
42 | int kernel_enable_event(struct ltt_kernel_event *event); | |
d36b8583 | 43 | int kernel_enable_channel(struct ltt_kernel_channel *chan); |
aaf26714 | 44 | int kernel_open_metadata(struct ltt_kernel_session *session); |
f3ed775e DG |
45 | int kernel_open_metadata_stream(struct ltt_kernel_session *session); |
46 | int kernel_open_channel_stream(struct ltt_kernel_channel *channel); | |
47 | int kernel_flush_buffer(struct ltt_kernel_channel *channel); | |
48 | int kernel_metadata_flush_buffer(int fd); | |
8c0faa1d DG |
49 | int kernel_start_session(struct ltt_kernel_session *session); |
50 | int kernel_stop_session(struct ltt_kernel_session *session); | |
2ef84c95 | 51 | ssize_t kernel_list_events(int tracer_fd, char **event_list); |
f3ed775e | 52 | void kernel_wait_quiescent(int fd); |
20fe2104 DG |
53 | |
54 | #endif /* _LTT_KERNEL_CTL_H */ |