5f3306bc126b2f431f178e8033a31d3c503c622d
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_KERNEL_CTL_H
20 #define _LTT_KERNEL_CTL_H
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.
31 #define KERNEL_EVENT_LIST_SIZE 2000
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
);
37 int kernel_create_session(struct ltt_session
*session
, int tracer_fd
);
38 int kernel_create_channel(struct ltt_kernel_session
*session
,
39 struct lttng_channel
*chan
, char *path
);
40 int kernel_create_event(struct lttng_event
*ev
, struct ltt_kernel_channel
*channel
);
41 int kernel_disable_channel(struct ltt_kernel_channel
*chan
);
42 int kernel_disable_event(struct ltt_kernel_event
*event
);
43 int kernel_enable_event(struct ltt_kernel_event
*event
);
44 int kernel_enable_channel(struct ltt_kernel_channel
*chan
);
45 int kernel_open_metadata(struct ltt_kernel_session
*session
, char *path
);
46 int kernel_open_metadata_stream(struct ltt_kernel_session
*session
);
47 int kernel_open_channel_stream(struct ltt_kernel_channel
*channel
);
48 int kernel_flush_buffer(struct ltt_kernel_channel
*channel
);
49 int kernel_metadata_flush_buffer(int fd
);
50 int kernel_start_session(struct ltt_kernel_session
*session
);
51 int kernel_stop_session(struct ltt_kernel_session
*session
);
52 ssize_t
kernel_list_events(int tracer_fd
, char **event_list
);
53 void kernel_wait_quiescent(int fd
);
55 #endif /* _LTT_KERNEL_CTL_H */
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