2 * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
3 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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.
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 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.
19 #ifndef _LTTNG_KERNEL_CTL_H
20 #define _LTTNG_KERNEL_CTL_H
22 #include <lttng/lttng.h>
23 #include <common/lttng-kernel.h>
25 int kernctl_create_session(int fd
);
26 int kernctl_open_metadata(int fd
, struct lttng_channel_attr
*chops
);
27 int kernctl_create_channel(int fd
, struct lttng_channel_attr
*chops
);
28 int kernctl_create_stream(int fd
);
29 int kernctl_create_event(int fd
, struct lttng_kernel_event
*ev
);
30 int kernctl_add_context(int fd
, struct lttng_kernel_context
*ctx
);
32 int kernctl_enable(int fd
);
33 int kernctl_disable(int fd
);
34 int kernctl_start_session(int fd
);
35 int kernctl_stop_session(int fd
);
37 int kernctl_tracepoint_list(int fd
);
38 int kernctl_tracer_version(int fd
, struct lttng_kernel_tracer_version
*v
);
39 int kernctl_wait_quiescent(int fd
);
40 int kernctl_calibrate(int fd
, struct lttng_kernel_calibrate
*calibrate
);
43 /* Buffer operations */
45 /* For mmap mode, readable without "get" operation */
46 int kernctl_get_mmap_len(int fd
, unsigned long *len
);
47 int kernctl_get_max_subbuf_size(int fd
, unsigned long *len
);
50 * For mmap mode, operate on the current packet (between get/put or
53 int kernctl_get_mmap_read_offset(int fd
, unsigned long *len
);
54 int kernctl_get_subbuf_size(int fd
, unsigned long *len
);
55 int kernctl_get_padded_subbuf_size(int fd
, unsigned long *len
);
57 int kernctl_get_next_subbuf(int fd
);
58 int kernctl_put_next_subbuf(int fd
);
61 int kernctl_snapshot(int fd
);
62 int kernctl_snapshot_get_consumed(int fd
, unsigned long *pos
);
63 int kernctl_snapshot_get_produced(int fd
, unsigned long *pos
);
64 int kernctl_get_subbuf(int fd
, unsigned long *pos
);
65 int kernctl_put_subbuf(int fd
);
67 int kernctl_buffer_flush(int fd
);
69 #endif /* _LTTNG_KERNEL_CTL_H */