X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ioctl.h;h=8fa0a7d100c480ad8416ce06395d1fee2146fe73;hp=528c8082bf338c63aa3de229c54c41d823893481;hb=cfb1c9bcab7801380b6ffbab9e505b861072254c;hpb=a5dfbb9db7ba31913657ed921006b13977b7b426 diff --git a/src/common/kernel-ctl/kernel-ioctl.h b/src/common/kernel-ctl/kernel-ioctl.h index 528c8082b..8fa0a7d10 100644 --- a/src/common/kernel-ctl/kernel-ioctl.h +++ b/src/common/kernel-ctl/kernel-ioctl.h @@ -1,26 +1,16 @@ /* - * Copyright (C) 2011 - Julien Desfossez - * Mathieu Desnoyers + * Copyright (C) 2011 Julien Desfossez + * Copyright (C) 2011 Mathieu Desnoyers * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2 only, - * as published by the Free Software Foundation. + * SPDX-License-Identifier: GPL-2.0-only * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef _LTT_KERNEL_IOCTL_H #define _LTT_KERNEL_IOCTL_H -#define LTTNG_MODULES_ABI_MAJOR_VERSION 1 -#define LTTNG_MODULES_ABI_MINOR_VERSION 0 +#define LTTNG_MODULES_ABI_MAJOR_VERSION 2 +#define LTTNG_MODULES_ABI_MINOR_VERSION 5 /* Get a snapshot of the current ring buffer producer and consumer positions */ #define RING_BUFFER_SNAPSHOT _IO(0xF6, 0x00) @@ -47,8 +37,26 @@ #define RING_BUFFER_GET_MMAP_LEN _IOR(0xF6, 0x0A, unsigned long) /* returns the offset of the subbuffer belonging to the mmap reader. */ #define RING_BUFFER_GET_MMAP_READ_OFFSET _IOR(0xF6, 0x0B, unsigned long) -/* flush the current sub-buffer */ +/* Flush the current sub-buffer, if non-empty. */ #define RING_BUFFER_FLUSH _IO(0xF6, 0x0C) +/* Get the current version of the metadata cache (after a get_next). */ +#define RING_BUFFER_GET_METADATA_VERSION _IOR(0xF6, 0x0D, uint64_t) +/* + * Get a snapshot of the current ring buffer producer and consumer positions, + * regardless of whether or not the two positions are contained within the same + * sub-buffer. + */ +#define RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS _IO(0xF6, 0x0E) +/* Flush the current sub-buffer, even if empty. */ +#define RING_BUFFER_FLUSH_EMPTY _IO(0xF6, 0x0F) +/* + * Reset the position of what has been consumed from the metadata cache to 0 + * so it can be read again. + */ +#define RING_BUFFER_METADATA_CACHE_DUMP _IO(0xF6, 0x10) +/* Clear ring buffer content */ +#define RING_BUFFER_CLEAR _IO(0xF6, 0x11) +#define RING_RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK _IOR(0xF6, 0x12, uint32_t) /* returns the timestamp begin of the current sub-buffer */ #define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t) @@ -64,6 +72,10 @@ #define LTTNG_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t) /* returns the current timestamp */ #define LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t) +/* returns the packet sequence number */ +#define LTTNG_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t) +/* returns the stream instance id */ +#define LTTNG_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t) /* Old ABI (without support for 32/64 bits compat) */ /* LTTng file descriptor ioctl */ @@ -72,8 +84,6 @@ _IOR(0xF6, 0x41, struct lttng_kernel_old_tracer_version) #define LTTNG_KERNEL_OLD_TRACEPOINT_LIST _IO(0xF6, 0x42) #define LTTNG_KERNEL_OLD_WAIT_QUIESCENT _IO(0xF6, 0x43) -#define LTTNG_KERNEL_OLD_CALIBRATE \ - _IOWR(0xF6, 0x44, struct lttng_kernel_old_calibrate) /* Session FD ioctl */ #define LTTNG_KERNEL_OLD_METADATA \ @@ -104,11 +114,11 @@ _IOR(0xF6, 0x46, struct lttng_kernel_tracer_version) #define LTTNG_KERNEL_TRACEPOINT_LIST _IO(0xF6, 0x47) #define LTTNG_KERNEL_WAIT_QUIESCENT _IO(0xF6, 0x48) -#define LTTNG_KERNEL_CALIBRATE \ - _IOWR(0xF6, 0x49, struct lttng_kernel_calibrate) #define LTTNG_KERNEL_SYSCALL_LIST _IO(0xF6, 0x4A) #define LTTNG_KERNEL_TRACER_ABI_VERSION \ _IOR(0xF6, 0x4B, struct lttng_kernel_tracer_abi_version) +#define LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_CREATE \ + _IO(0xF6, 0x4C) /* Session FD ioctl */ #define LTTNG_KERNEL_METADATA \ @@ -121,7 +131,19 @@ _IOR(0xF6, 0x58, int32_t) #define LTTNG_KERNEL_SESSION_UNTRACK_PID \ _IOR(0xF6, 0x59, int32_t) +/* + * ioctl 0x58 and 0x59 are duplicated here. It works, since _IOR vs _IO + * are generating two different ioctl numbers, but this was not done on + * purpose. We should generally try to avoid those duplications. + */ #define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58) +#define LTTNG_KERNEL_SESSION_METADATA_REGEN _IO(0xF6, 0x59) +/* 0x5A and 0x5B are reserved for a future ABI-breaking cleanup. */ +#define LTTNG_KERNEL_SESSION_STATEDUMP _IO(0xF6, 0x5C) +#define LTTNG_KERNEL_SESSION_SET_NAME \ + _IOR(0xF6, 0x5D, struct lttng_kernel_session_name) +#define LTTNG_KERNEL_SESSION_SET_CREATION_TIME \ + _IOR(0xF6, 0x5E, struct lttng_kernel_session_creation_time) /* Channel FD ioctl */ #define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62) @@ -134,8 +156,26 @@ #define LTTNG_KERNEL_CONTEXT \ _IOW(0xF6, 0x71, struct lttng_kernel_context) -/* Event, Channel and Session ioctl */ +/* Event, event notifier, Channel and Session ioctl */ #define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x82) #define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83) +/* Event and event notifier FD ioctl */ +#define LTTNG_KERNEL_FILTER _IO(0xF6, 0x90) +#define LTTNG_KERNEL_ADD_CALLSITE _IO(0xF6, 0x91) + +/* Session FD ioctl (continued) */ +#define LTTNG_KERNEL_SESSION_LIST_TRACKER_IDS \ + _IOR(0xF6, 0xA0, struct lttng_kernel_tracker_args) +#define LTTNG_KERNEL_SESSION_TRACK_ID \ + _IOR(0xF6, 0xA1, struct lttng_kernel_tracker_args) +#define LTTNG_KERNEL_SESSION_UNTRACK_ID \ + _IOR(0xF6, 0xA2, struct lttng_kernel_tracker_args) + +/* Event notifier group file descriptor ioctl */ +#define LTTNG_KERNEL_EVENT_NOTIFIER_CREATE \ + _IOW(0xF6, 0xB0, struct lttng_kernel_event_notifier) +#define LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD \ + _IO(0xF6, 0xB1) + #endif /* _LTT_KERNEL_IOCTL_H */