| | 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 modify |
| | 6 | * it under the terms of the GNU General Public License, version 2 only, |
| | 7 | * as published by the Free Software Foundation. |
| | 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 | * |
| | 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. |
| | 17 | */ |
| | 18 | |
| | 19 | #ifndef _LTT_KERNEL_IOCTL_H |
| | 20 | #define _LTT_KERNEL_IOCTL_H |
| | 21 | |
| | 22 | /* Get a snapshot of the current ring buffer producer and consumer positions */ |
| | 23 | #define RING_BUFFER_SNAPSHOT _IO(0xF6, 0x00) |
| | 24 | /* Get the consumer position (iteration start) */ |
| | 25 | #define RING_BUFFER_SNAPSHOT_GET_CONSUMED _IOR(0xF6, 0x01, unsigned long) |
| | 26 | /* Get the producer position (iteration end) */ |
| | 27 | #define RING_BUFFER_SNAPSHOT_GET_PRODUCED _IOR(0xF6, 0x02, unsigned long) |
| | 28 | /* Get exclusive read access to the specified sub-buffer position */ |
| | 29 | #define RING_BUFFER_GET_SUBBUF _IOW(0xF6, 0x03, unsigned long) |
| | 30 | /* Release exclusive sub-buffer access */ |
| | 31 | #define RING_BUFFER_PUT_SUBBUF _IO(0xF6, 0x04) |
| | 32 | |
| | 33 | /* Get exclusive read access to the next sub-buffer that can be read. */ |
| | 34 | #define RING_BUFFER_GET_NEXT_SUBBUF _IO(0xF6, 0x05) |
| | 35 | /* Release exclusive sub-buffer access, move consumer forward. */ |
| | 36 | #define RING_BUFFER_PUT_NEXT_SUBBUF _IO(0xF6, 0x06) |
| | 37 | /* returns the size of the current sub-buffer, without padding (for mmap). */ |
| | 38 | #define RING_BUFFER_GET_SUBBUF_SIZE _IOR(0xF6, 0x07, unsigned long) |
| | 39 | /* returns the size of the current sub-buffer, with padding (for splice). */ |
| | 40 | #define RING_BUFFER_GET_PADDED_SUBBUF_SIZE _IOR(0xF6, 0x08, unsigned long) |
| | 41 | /* returns the maximum size for sub-buffers. */ |
| | 42 | #define RING_BUFFER_GET_MAX_SUBBUF_SIZE _IOR(0xF6, 0x09, unsigned long) |
| | 43 | /* returns the length to mmap. */ |
| | 44 | #define RING_BUFFER_GET_MMAP_LEN _IOR(0xF6, 0x0A, unsigned long) |
| | 45 | /* returns the offset of the subbuffer belonging to the mmap reader. */ |
| | 46 | #define RING_BUFFER_GET_MMAP_READ_OFFSET _IOR(0xF6, 0x0B, unsigned long) |
| | 47 | /* flush the current sub-buffer */ |
| | 48 | #define RING_BUFFER_FLUSH _IO(0xF6, 0x0C) |
| | 49 | /* map stream to stream id for network streaming */ |
| | 50 | #define RING_BUFFER_SET_STREAM_ID _IOW(0xF6, 0x0D, unsigned long) |
| | 51 | |
| | 52 | |
| | 53 | /* LTTng file descriptor ioctl */ |
| | 54 | #define LTTNG_KERNEL_SESSION _IO(0xF6, 0x40) |
| | 55 | #define LTTNG_KERNEL_TRACER_VERSION \ |
| | 56 | _IOR(0xF6, 0x41, struct lttng_kernel_tracer_version) |
| | 57 | #define LTTNG_KERNEL_TRACEPOINT_LIST _IO(0xF6, 0x42) |
| | 58 | #define LTTNG_KERNEL_WAIT_QUIESCENT _IO(0xF6, 0x43) |
| | 59 | #define LTTNG_KERNEL_CALIBRATE \ |
| | 60 | _IOWR(0xF6, 0x44, struct lttng_kernel_calibrate) |
| | 61 | |
| | 62 | /* Session FD ioctl */ |
| | 63 | #define LTTNG_KERNEL_METADATA \ |
| | 64 | _IOW(0xF6, 0x50, struct lttng_channel_attr) |
| | 65 | #define LTTNG_KERNEL_CHANNEL \ |
| | 66 | _IOW(0xF6, 0x51, struct lttng_channel_attr) |
| | 67 | #define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x52) |
| | 68 | #define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x53) |
| | 69 | |
| | 70 | /* Channel FD ioctl */ |
| | 71 | #define LTTNG_KERNEL_STREAM _IO(0xF6, 0x60) |
| | 72 | #define LTTNG_KERNEL_EVENT \ |
| | 73 | _IOW(0xF6, 0x61, struct lttng_kernel_event) |
| | 74 | #define LTTNG_KERNEL_STREAM_ID_OFFSET \ |
| | 75 | _IOR(0xF6, 0x62, unsigned long) |
| | 76 | |
| | 77 | /* Event and Channel FD ioctl */ |
| | 78 | #define LTTNG_KERNEL_CONTEXT \ |
| | 79 | _IOW(0xF6, 0x70, struct lttng_kernel_context) |
| | 80 | |
| | 81 | /* Event, Channel and Session ioctl */ |
| | 82 | #define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x80) |
| | 83 | #define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x81) |
| | 84 | |
| | 85 | #endif /* _LTT_KERNEL_IOCTL_H */ |
projects / lttng-tools.git / blame_incremental