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
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; only version 2
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.
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.
20 #ifndef _LTTNG_KERNEL_CTL_H
21 #define _LTTNG_KERNEL_CTL_H
23 #include <lttng/lttng.h>
24 #include <common/lttng-kernel.h>
26 int kernctl_create_session(int fd
);
27 int kernctl_open_metadata(int fd
, struct lttng_channel_attr
*chops
);
28 int kernctl_create_channel(int fd
, struct lttng_channel_attr
*chops
);
29 int kernctl_create_stream(int fd
);
30 int kernctl_create_event(int fd
, struct lttng_kernel_event
*ev
);
31 int kernctl_add_context(int fd
, struct lttng_kernel_context
*ctx
);
33 int kernctl_enable(int fd
);
34 int kernctl_disable(int fd
);
35 int kernctl_start_session(int fd
);
36 int kernctl_stop_session(int fd
);
38 int kernctl_tracepoint_list(int fd
);
39 int kernctl_tracer_version(int fd
, struct lttng_kernel_tracer_version
*v
);
40 int kernctl_wait_quiescent(int fd
);
41 int kernctl_calibrate(int fd
, struct lttng_kernel_calibrate
*calibrate
);
44 /* Buffer operations */
46 /* For mmap mode, readable without "get" operation */
47 int kernctl_get_mmap_len(int fd
, unsigned long *len
);
48 int kernctl_get_max_subbuf_size(int fd
, unsigned long *len
);
51 * For mmap mode, operate on the current packet (between get/put or
54 int kernctl_get_mmap_read_offset(int fd
, unsigned long *len
);
55 int kernctl_get_subbuf_size(int fd
, unsigned long *len
);
56 int kernctl_get_padded_subbuf_size(int fd
, unsigned long *len
);
58 int kernctl_get_next_subbuf(int fd
);
59 int kernctl_put_next_subbuf(int fd
);
62 int kernctl_snapshot(int fd
);
63 int kernctl_snapshot_get_consumed(int fd
, unsigned long *pos
);
64 int kernctl_snapshot_get_produced(int fd
, unsigned long *pos
);
65 int kernctl_get_subbuf(int fd
, unsigned long *pos
);
66 int kernctl_put_subbuf(int fd
);
68 int kernctl_buffer_flush(int fd
);
70 #endif /* _LTTNG_KERNEL_CTL_H */