Add support for non unique add string in hashtable
[lttng-tools.git] / src / common / kernel-ctl / kernel-ctl.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>
ee0326c0 4 *
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5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License, version 2 only,
7 * as published by the Free Software Foundation.
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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
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
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14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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17 */
18
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19#ifndef _LTTNG_KERNEL_CTL_H
20#define _LTTNG_KERNEL_CTL_H
ee0326c0 21
f3ed775e 22#include <lttng/lttng.h>
10a8a223 23#include <common/lttng-kernel.h>
4dbc372b 24#include <common/lttng-kernel-old.h>
16421f6e 25
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26int kernctl_create_session(int fd);
27int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops);
f3ed775e 28int kernctl_create_channel(int fd, struct lttng_channel_attr *chops);
964ccb60 29int kernctl_create_stream(int fd);
9cb98350 30int kernctl_create_event(int fd, struct lttng_kernel_event *ev);
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31int kernctl_add_context(int fd, struct lttng_kernel_context *ctx);
32
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33int kernctl_enable(int fd);
34int kernctl_disable(int fd);
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35int kernctl_start_session(int fd);
36int kernctl_stop_session(int fd);
964ccb60 37
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38int kernctl_tracepoint_list(int fd);
39int kernctl_tracer_version(int fd, struct lttng_kernel_tracer_version *v);
f3ed775e 40int kernctl_wait_quiescent(int fd);
d0254c7c 41int kernctl_calibrate(int fd, struct lttng_kernel_calibrate *calibrate);
16421f6e 42
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43
44/* Buffer operations */
45
46/* For mmap mode, readable without "get" operation */
47int kernctl_get_mmap_len(int fd, unsigned long *len);
48int kernctl_get_max_subbuf_size(int fd, unsigned long *len);
49
50/*
51 * For mmap mode, operate on the current packet (between get/put or
52 * get_next/put_next).
53 */
54int kernctl_get_mmap_read_offset(int fd, unsigned long *len);
55int kernctl_get_subbuf_size(int fd, unsigned long *len);
56int kernctl_get_padded_subbuf_size(int fd, unsigned long *len);
57
58int kernctl_get_next_subbuf(int fd);
59int kernctl_put_next_subbuf(int fd);
60
61/* snapshot */
62int kernctl_snapshot(int fd);
63int kernctl_snapshot_get_consumed(int fd, unsigned long *pos);
64int kernctl_snapshot_get_produced(int fd, unsigned long *pos);
65int kernctl_get_subbuf(int fd, unsigned long *pos);
66int kernctl_put_subbuf(int fd);
67
68int kernctl_buffer_flush(int fd);
69
3bd1e081 70#endif /* _LTTNG_KERNEL_CTL_H */
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