Fix disable event
[lttng-tools.git] / include / lttng-kernel-ctl.h
... / ...
CommitLineData
1/*
2 * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
3 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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; only version 2
8 * of the License.
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
23#include <lttng/lttng.h>
24#include <lttng-kernel.h>
25
26int kernctl_create_session(int fd);
27int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops);
28int kernctl_create_channel(int fd, struct lttng_channel_attr *chops);
29int kernctl_create_stream(int fd);
30int kernctl_create_event(int fd, struct lttng_kernel_event *ev);
31int kernctl_add_context(int fd, struct lttng_kernel_context *ctx);
32
33int kernctl_enable(int fd);
34int kernctl_disable(int fd);
35int kernctl_start_session(int fd);
36int kernctl_stop_session(int fd);
37
38int kernctl_tracepoint_list(int fd);
39int kernctl_tracer_version(int fd, struct lttng_kernel_tracer_version *v);
40int kernctl_wait_quiescent(int fd);
41int kernctl_calibrate(int fd, struct lttng_kernel_calibrate *calibrate);
42
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
70#endif /* _LTT_LIBKERNELCTL_H */
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