Cleanup comments and bad indent
[lttng-tools.git] / ltt-sessiond / kernel-ctl.h
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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
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6 * as published by the Free Software Foundation; only version 2
7 * of the License.
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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
050349bb 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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
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25/*
26 * Default size for the event list when kernel_list_events is called. This size
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27 * value is based on the initial LTTng 2.0 version set of tracepoints.
28 *
29 * This is NOT an upper bound because if the real event list size is bigger,
30 * dynamic reallocation is performed.
2ef84c95 31 */
050349bb 32#define KERNEL_EVENT_LIST_SIZE 80
2ef84c95 33
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34int kernel_add_channel_context(struct ltt_kernel_channel *chan,
35 struct lttng_kernel_context *ctx);
36int kernel_add_event_context(struct ltt_kernel_event *event,
37 struct lttng_kernel_context *ctx);
8c0faa1d 38int kernel_create_session(struct ltt_session *session, int tracer_fd);
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39int kernel_create_channel(struct ltt_kernel_session *session,
40 struct lttng_channel *chan, char *path);
19e70852 41int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel);
26cc6b4e 42int kernel_disable_channel(struct ltt_kernel_channel *chan);
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43int kernel_disable_event(struct ltt_kernel_event *event);
44int kernel_enable_event(struct ltt_kernel_event *event);
d36b8583 45int kernel_enable_channel(struct ltt_kernel_channel *chan);
58a97671 46int kernel_open_metadata(struct ltt_kernel_session *session, char *path);
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47int kernel_open_metadata_stream(struct ltt_kernel_session *session);
48int kernel_open_channel_stream(struct ltt_kernel_channel *channel);
49int kernel_flush_buffer(struct ltt_kernel_channel *channel);
50int kernel_metadata_flush_buffer(int fd);
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51int kernel_start_session(struct ltt_kernel_session *session);
52int kernel_stop_session(struct ltt_kernel_session *session);
9f19cc17 53ssize_t kernel_list_events(int tracer_fd, struct lttng_event **event_list);
f3ed775e 54void kernel_wait_quiescent(int fd);
d0254c7c 55int kernel_calibrate(int fd, struct lttng_kernel_calibrate *calibrate);
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56
57#endif /* _LTT_KERNEL_CTL_H */
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