-#ifndef _LTTNG_ABI_H
-#define _LTTNG_ABI_H
-
-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
* lttng-abi.h
*
* LTTng ABI header
*
* Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#ifndef _LTTNG_ABI_H
+#define _LTTNG_ABI_H
+
#include <linux/fs.h>
/*
* should be increased when an incompatible ABI change is done.
*/
#define LTTNG_MODULES_ABI_MAJOR_VERSION 2
-#define LTTNG_MODULES_ABI_MINOR_VERSION 3
+#define LTTNG_MODULES_ABI_MINOR_VERSION 4
#define LTTNG_KERNEL_SYM_NAME_LEN 256
+#define LTTNG_KERNEL_SESSION_NAME_LEN 256
+#define LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN 26
enum lttng_kernel_instrumentation {
LTTNG_KERNEL_TRACEPOINT = 0,
LTTNG_KERNEL_KRETPROBE = 3,
LTTNG_KERNEL_NOOP = 4, /* not hooked */
LTTNG_KERNEL_SYSCALL = 5,
+ LTTNG_KERNEL_UPROBE = 6,
};
/*
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
} __attribute__((packed));
+struct lttng_kernel_uprobe {
+ int fd;
+} __attribute__((packed));
+
+struct lttng_kernel_event_callsite_uprobe {
+ uint64_t offset;
+} __attribute__((packed));
+
+struct lttng_kernel_event_callsite {
+ union {
+ struct lttng_kernel_event_callsite_uprobe uprobe;
+ } u;
+} __attribute__((packed));
+
/*
* For syscall tracing, name = "*" means "enable all".
*/
struct lttng_kernel_kretprobe kretprobe;
struct lttng_kernel_kprobe kprobe;
struct lttng_kernel_function_tracer ftrace;
+ struct lttng_kernel_uprobe uprobe;
char padding[LTTNG_KERNEL_EVENT_PADDING2];
} u;
} __attribute__((packed));
uint32_t minor;
} __attribute__((packed));
+struct lttng_kernel_session_name {
+ char name[LTTNG_KERNEL_SESSION_NAME_LEN];
+} __attribute__((packed));
+
+struct lttng_kernel_session_creation_time {
+ char iso8601[LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN];
+} __attribute__((packed));
+
enum lttng_kernel_calibrate_type {
LTTNG_KERNEL_CALIBRATE_KRETPROBE,
};
LTTNG_KERNEL_CONTEXT_PREEMPTIBLE = 13,
LTTNG_KERNEL_CONTEXT_NEED_RESCHEDULE = 14,
LTTNG_KERNEL_CONTEXT_MIGRATABLE = 15,
+ LTTNG_KERNEL_CONTEXT_CALLSTACK_KERNEL = 16,
+ LTTNG_KERNEL_CONTEXT_CALLSTACK_USER = 17,
+ LTTNG_KERNEL_CONTEXT_CGROUP_NS = 18,
+ LTTNG_KERNEL_CONTEXT_IPC_NS = 19,
+ LTTNG_KERNEL_CONTEXT_MNT_NS = 20,
+ LTTNG_KERNEL_CONTEXT_NET_NS = 21,
+ LTTNG_KERNEL_CONTEXT_PID_NS = 22,
+ LTTNG_KERNEL_CONTEXT_USER_NS = 23,
+ LTTNG_KERNEL_CONTEXT_UTS_NS = 24,
+ LTTNG_KERNEL_CONTEXT_UID = 25,
+ LTTNG_KERNEL_CONTEXT_EUID = 26,
+ LTTNG_KERNEL_CONTEXT_SUID = 27,
+ LTTNG_KERNEL_CONTEXT_GID = 28,
+ LTTNG_KERNEL_CONTEXT_EGID = 29,
+ LTTNG_KERNEL_CONTEXT_SGID = 30,
+ LTTNG_KERNEL_CONTEXT_VUID = 31,
+ LTTNG_KERNEL_CONTEXT_VEUID = 32,
+ LTTNG_KERNEL_CONTEXT_VSUID = 33,
+ LTTNG_KERNEL_CONTEXT_VGID = 34,
+ LTTNG_KERNEL_CONTEXT_VEGID = 35,
+ LTTNG_KERNEL_CONTEXT_VSGID = 36,
};
struct lttng_kernel_perf_counter_ctx {
} __attribute__((packed));
/* LTTng file descriptor ioctl */
+/* lttng-abi-old.h reserve 0x40, 0x41, 0x42, 0x43, and 0x44. */
#define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45)
#define LTTNG_KERNEL_TRACER_VERSION \
_IOR(0xF6, 0x46, struct lttng_kernel_tracer_version)
_IOR(0xF6, 0x4B, struct lttng_kernel_tracer_abi_version)
/* Session FD ioctl */
+/* lttng-abi-old.h reserve 0x50, 0x51, 0x52, and 0x53. */
#define LTTNG_KERNEL_METADATA \
_IOW(0xF6, 0x54, struct lttng_kernel_channel)
#define LTTNG_KERNEL_CHANNEL \
*/
#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. */
+
+/* lttng-abi-old.h reserve 0x5A and 0x5B. */
#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 */
+/* lttng-abi-old.h reserve 0x60 and 0x61. */
#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62)
#define LTTNG_KERNEL_EVENT \
_IOW(0xF6, 0x63, struct lttng_kernel_event)
_IOWR(0xF6, 0x64, struct lttng_kernel_syscall_mask)
/* Event and Channel FD ioctl */
+/* lttng-abi-old.h reserve 0x70. */
#define LTTNG_KERNEL_CONTEXT \
_IOW(0xF6, 0x71, struct lttng_kernel_context)
/* Event, Channel and Session ioctl */
+/* lttng-abi-old.h reserve 0x80 and 0x81. */
#define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x82)
#define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83)
/* Event FD ioctl */
#define LTTNG_KERNEL_FILTER _IO(0xF6, 0x90)
+#define LTTNG_KERNEL_ADD_CALLSITE _IO(0xF6, 0x91)
+
+/*
+ * LTTng-specific ioctls for the lib ringbuffer.
+ *
+ * Operations applying to the current sub-buffer need to occur between
+ * a get/put or get_next/put_next ioctl pair.
+ */
-/* LTTng-specific ioctls for the lib ringbuffer */
/* returns the timestamp begin of the current sub-buffer */
#define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t)
/* returns the timestamp end of the current sub-buffer */
#define LTTNG_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t)
-/* returns the number of events discarded */
+/* returns the number of events discarded of the current sub-buffer */
#define LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t)
-/* returns the packet payload size */
+/* returns the packet payload size of the current sub-buffer */
#define LTTNG_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t)
-/* returns the actual packet size */
+/* returns the packet size of the current sub-buffer*/
#define LTTNG_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t)
-/* returns the stream id */
+/* returns the stream id (invariant for the stream) */
#define LTTNG_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t)
-/* returns the current timestamp */
+/* returns the current timestamp as perceived from the tracer */
#define LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t)
-/* returns the packet sequence number */
+/* returns the packet sequence number of the current sub-buffer */
#define LTTNG_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t)
-/* returns the stream instance id */
+/* returns the stream instance id (invariant for the stream) */
#define LTTNG_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t)
#ifdef CONFIG_COMPAT
/* returns the timestamp end of the current sub-buffer */
#define LTTNG_RING_BUFFER_COMPAT_GET_TIMESTAMP_END \
LTTNG_RING_BUFFER_GET_TIMESTAMP_END
-/* returns the number of events discarded */
+/* returns the number of events discarded of the current sub-buffer */
#define LTTNG_RING_BUFFER_COMPAT_GET_EVENTS_DISCARDED \
LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED
-/* returns the packet payload size */
+/* returns the packet payload size of the current sub-buffer */
#define LTTNG_RING_BUFFER_COMPAT_GET_CONTENT_SIZE \
LTTNG_RING_BUFFER_GET_CONTENT_SIZE
-/* returns the actual packet size */
+/* returns the packet size of the current sub-buffer */
#define LTTNG_RING_BUFFER_COMPAT_GET_PACKET_SIZE \
LTTNG_RING_BUFFER_GET_PACKET_SIZE
-/* returns the stream id */
+/* returns the stream id (invariant for the stream) */
#define LTTNG_RING_BUFFER_COMPAT_GET_STREAM_ID \
LTTNG_RING_BUFFER_GET_STREAM_ID
-/* returns the current timestamp */
+/* returns the current timestamp as perceived from the tracer */
#define LTTNG_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \
LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP
-/* returns the packet sequence number */
+/* returns the packet sequence number of the current sub-buffer */
#define LTTNG_RING_BUFFER_COMPAT_GET_SEQ_NUM \
LTTNG_RING_BUFFER_GET_SEQ_NUM
-/* returns the stream instance id */
+/* returns the stream instance id (invariant for the stream) */
#define LTTNG_RING_BUFFER_COMPAT_INSTANCE_ID \
LTTNG_RING_BUFFER_INSTANCE_ID
#endif /* CONFIG_COMPAT */
projects / lttng-modules.git / blobdiff