projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 16421f6e DG |
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; 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_KERNEL_IOCTL_H | |
| 21 | #define _LTT_KERNEL_IOCTL_H | |
| 22 | ||
| 23 | /* Get a snapshot of the current ring buffer producer and consumer positions */ | |
| 24 | #define RING_BUFFER_SNAPSHOT _IO(0xF6, 0x00) | |
| 25 | /* Get the consumer position (iteration start) */ | |
| 26 | #define RING_BUFFER_SNAPSHOT_GET_CONSUMED _IOR(0xF6, 0x01, unsigned long) | |
| 27 | /* Get the producer position (iteration end) */ | |
| 28 | #define RING_BUFFER_SNAPSHOT_GET_PRODUCED _IOR(0xF6, 0x02, unsigned long) | |
| 29 | /* Get exclusive read access to the specified sub-buffer position */ | |
| 30 | #define RING_BUFFER_GET_SUBBUF _IOW(0xF6, 0x03, unsigned long) | |
| 31 | /* Release exclusive sub-buffer access */ | |
| 32 | #define RING_BUFFER_PUT_SUBBUF _IO(0xF6, 0x04) | |
| 33 | ||
| 34 | /* Get exclusive read access to the next sub-buffer that can be read. */ | |
| 35 | #define RING_BUFFER_GET_NEXT_SUBBUF _IO(0xF6, 0x05) | |
| 36 | /* Release exclusive sub-buffer access, move consumer forward. */ | |
| 37 | #define RING_BUFFER_PUT_NEXT_SUBBUF _IO(0xF6, 0x06) | |
| 38 | /* returns the size of the current sub-buffer, without padding (for mmap). */ | |
| 39 | #define RING_BUFFER_GET_SUBBUF_SIZE _IOR(0xF6, 0x07, unsigned long) | |
| 40 | /* returns the size of the current sub-buffer, with padding (for splice). */ | |
| 41 | #define RING_BUFFER_GET_PADDED_SUBBUF_SIZE _IOR(0xF6, 0x08, unsigned long) | |
| 42 | /* returns the maximum size for sub-buffers. */ | |
| 43 | #define RING_BUFFER_GET_MAX_SUBBUF_SIZE _IOR(0xF6, 0x09, unsigned long) | |
| 44 | /* returns the length to mmap. */ | |
| 45 | #define RING_BUFFER_GET_MMAP_LEN _IOR(0xF6, 0x0A, unsigned long) | |
| 46 | /* returns the offset of the subbuffer belonging to the mmap reader. */ | |
| 47 | #define RING_BUFFER_GET_MMAP_READ_OFFSET _IOR(0xF6, 0x0B, unsigned long) | |
| 48 | ||
| 9cb98350 JD |
49 | #define LTTNG_KERNEL_SESSION _IO(0xF6, 0x40) |
| 50 | #define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x41) | |
| 51 | #define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x42) | |
| 52 | #define LTTNG_KERNEL_CHANNEL \ | |
| 53 | _IOW(0xF6, 0x43, struct lttng_kernel_channel) | |
| 54 | #define LTTNG_KERNEL_STREAM _IO(0xF6, 0x44) | |
| 55 | #define LTTNG_KERNEL_EVENT \ | |
| 56 | _IOW(0xF6, 0x45, struct lttng_kernel_event) | |
| 57 | #define LTTNG_KERNEL_METADATA \ | |
| 58 | _IOW(0xF6, 0x46, struct lttng_kernel_channel) | |
| 59 | #define LTTNG_KERNEL_KPROBE \ | |
| 60 | _IOW(0xF6, 0x47, struct lttng_kernel_kprobe) | |
| 61 | #define LTTNG_KERNEL_TRACER_VERSION \ | |
| 62 | _IOR(0xF6, 0x48, struct lttng_kernel_tracer_version) | |
| 16421f6e DG |
63 | |
| 64 | #endif /* _LTT_KERNEL_IOCTL_H */ |