Add kernel metadata support to lttng and API
[lttng-tools.git] / libkernelctl / libkernelctl.h
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ee0326c0 1/*
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2 * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
3 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20#ifndef _LTT_LIBKERNELCTL_H
21#define _LTT_LIBKERNELCTL_H
22
93128a92 23#include "lttng-kernel.h"
16421f6e 24
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25int kernctl_create_channel(int fd, struct lttng_kernel_channel *chops);
26int kernctl_create_event(int fd, struct lttng_kernel_event *ev);
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27int kernctl_create_session(int fd);
28int kernctl_create_stream(int fd);
29int kernctl_get_max_subbuf_size(int fd, unsigned long *len);
30int kernctl_get_mmap_len(int fd, unsigned long *len);
31int kernctl_get_mmap_read_offset(int fd, unsigned long *len);
32int kernctl_get_next_subbuf(int fd);
33int kernctl_get_padded_subbuf_size(int fd, unsigned long *len);
34int kernctl_get_subbuf(int fd, unsigned long *len);
35int kernctl_get_subbuf_size(int fd, unsigned long *len);
9cb98350 36int kernctl_open_metadata(int fd, struct lttng_kernel_channel *chops);
50dc1fa6 37int kernctl_put_next_subbuf(int fd);
16421f6e 38int kernctl_put_subbuf(int fd);
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39int kernctl_snapshot(int fd);
40int kernctl_snapshot_get_consumed(int fd, unsigned long *len);
41int kernctl_snapshot_get_produced(int fd, unsigned long *len);
42int kernctl_start_session(int fd);
43int kernctl_stop_session(int fd);
16421f6e 44
ee0326c0 45#endif /* _LTT_LIBKERNELCTL_H */
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