+++ /dev/null
-/*
- * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- * Copyright (C) 2011 EfficiOS Inc.
- *
- * SPDX-License-Identifier: GPL-2.0-only
- *
- */
-
-#ifndef _LTTNG_KERNEL_H
-#define _LTTNG_KERNEL_H
-
-#include <stdint.h>
-#include <common/macros.h>
-#include <lttng/constant.h>
-#include <lttng/event.h>
-
-#define LTTNG_KERNEL_ABI_SYM_NAME_LEN 256
-#define LTTNG_KERNEL_ABI_MAX_UPROBE_NUM 32
-#define LTTNG_KERNEL_ABI_SESSION_NAME_LEN 256
-#define LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN 26
-
-/*
- * LTTng DebugFS ABI structures.
- *
- * This is the kernel ABI copied from lttng-modules tree.
- */
-
-enum lttng_kernel_abi_instrumentation {
- LTTNG_KERNEL_ABI_ALL = -1, /* Used within lttng-tools */
- LTTNG_KERNEL_ABI_TRACEPOINT = 0,
- LTTNG_KERNEL_ABI_KPROBE = 1,
- LTTNG_KERNEL_ABI_FUNCTION = 2,
- LTTNG_KERNEL_ABI_KRETPROBE = 3,
- LTTNG_KERNEL_ABI_NOOP = 4, /* not hooked */
- LTTNG_KERNEL_ABI_SYSCALL = 5,
- LTTNG_KERNEL_ABI_UPROBE = 6,
-};
-
-enum lttng_kernel_abi_context_type {
- LTTNG_KERNEL_ABI_CONTEXT_PID = 0,
- LTTNG_KERNEL_ABI_CONTEXT_PERF_CPU_COUNTER = 1,
- LTTNG_KERNEL_ABI_CONTEXT_PROCNAME = 2,
- LTTNG_KERNEL_ABI_CONTEXT_PRIO = 3,
- LTTNG_KERNEL_ABI_CONTEXT_NICE = 4,
- LTTNG_KERNEL_ABI_CONTEXT_VPID = 5,
- LTTNG_KERNEL_ABI_CONTEXT_TID = 6,
- LTTNG_KERNEL_ABI_CONTEXT_VTID = 7,
- LTTNG_KERNEL_ABI_CONTEXT_PPID = 8,
- LTTNG_KERNEL_ABI_CONTEXT_VPPID = 9,
- LTTNG_KERNEL_ABI_CONTEXT_HOSTNAME = 10,
- LTTNG_KERNEL_ABI_CONTEXT_CPU_ID = 11,
- LTTNG_KERNEL_ABI_CONTEXT_INTERRUPTIBLE = 12,
- LTTNG_KERNEL_ABI_CONTEXT_PREEMPTIBLE = 13,
- LTTNG_KERNEL_ABI_CONTEXT_NEED_RESCHEDULE = 14,
- LTTNG_KERNEL_ABI_CONTEXT_MIGRATABLE = 15,
- LTTNG_KERNEL_ABI_CONTEXT_CALLSTACK_KERNEL = 16,
- LTTNG_KERNEL_ABI_CONTEXT_CALLSTACK_USER = 17,
- LTTNG_KERNEL_ABI_CONTEXT_CGROUP_NS = 18,
- LTTNG_KERNEL_ABI_CONTEXT_IPC_NS = 19,
- LTTNG_KERNEL_ABI_CONTEXT_MNT_NS = 20,
- LTTNG_KERNEL_ABI_CONTEXT_NET_NS = 21,
- LTTNG_KERNEL_ABI_CONTEXT_PID_NS = 22,
- LTTNG_KERNEL_ABI_CONTEXT_USER_NS = 23,
- LTTNG_KERNEL_ABI_CONTEXT_UTS_NS = 24,
- LTTNG_KERNEL_ABI_CONTEXT_UID = 25,
- LTTNG_KERNEL_ABI_CONTEXT_EUID = 26,
- LTTNG_KERNEL_ABI_CONTEXT_SUID = 27,
- LTTNG_KERNEL_ABI_CONTEXT_GID = 28,
- LTTNG_KERNEL_ABI_CONTEXT_EGID = 29,
- LTTNG_KERNEL_ABI_CONTEXT_SGID = 30,
- LTTNG_KERNEL_ABI_CONTEXT_VUID = 31,
- LTTNG_KERNEL_ABI_CONTEXT_VEUID = 32,
- LTTNG_KERNEL_ABI_CONTEXT_VSUID = 33,
- LTTNG_KERNEL_ABI_CONTEXT_VGID = 34,
- LTTNG_KERNEL_ABI_CONTEXT_VEGID = 35,
- LTTNG_KERNEL_ABI_CONTEXT_VSGID = 36,
- LTTNG_KERNEL_ABI_CONTEXT_TIME_NS = 37,
-};
-
-/* Perf counter attributes */
-struct lttng_kernel_abi_perf_counter_ctx {
- uint32_t type;
- uint64_t config;
- char name[LTTNG_KERNEL_ABI_SYM_NAME_LEN];
-} LTTNG_PACKED;
-
-/* Event/Channel context */
-#define LTTNG_KERNEL_ABI_CONTEXT_PADDING1 16
-#define LTTNG_KERNEL_ABI_CONTEXT_PADDING2 LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32
-struct lttng_kernel_abi_context {
- enum lttng_kernel_abi_context_type ctx;
- char padding[LTTNG_KERNEL_ABI_CONTEXT_PADDING1];
-
- union {
- struct lttng_kernel_abi_perf_counter_ctx perf_counter;
- char padding[LTTNG_KERNEL_ABI_CONTEXT_PADDING2];
- } u;
-} LTTNG_PACKED;
-
-struct lttng_kernel_abi_kretprobe {
- uint64_t addr;
-
- uint64_t offset;
- char symbol_name[LTTNG_KERNEL_ABI_SYM_NAME_LEN];
-} LTTNG_PACKED;
-
-/*
- * Either addr is used, or symbol_name and offset.
- */
-struct lttng_kernel_abi_kprobe {
- uint64_t addr;
-
- uint64_t offset;
- char symbol_name[LTTNG_KERNEL_ABI_SYM_NAME_LEN];
-} LTTNG_PACKED;
-
-struct lttng_kernel_abi_uprobe {
- int fd;
-} LTTNG_PACKED;
-
-struct lttng_kernel_abi_event_callsite_uprobe {
- uint64_t offset;
-} LTTNG_PACKED;
-
-struct lttng_kernel_abi_event_callsite {
- union {
- struct lttng_kernel_abi_event_callsite_uprobe uprobe;
- } u;
-} LTTNG_PACKED;
-
-enum lttng_kernel_abi_syscall_entryexit {
- LTTNG_KERNEL_ABI_SYSCALL_ENTRYEXIT = 0,
- LTTNG_KERNEL_ABI_SYSCALL_ENTRY = 1,
- LTTNG_KERNEL_ABI_SYSCALL_EXIT = 2,
-};
-
-enum lttng_kernel_abi_syscall_abi {
- LTTNG_KERNEL_ABI_SYSCALL_ABI_ALL = 0,
- LTTNG_KERNEL_ABI_SYSCALL_ABI_NATIVE = 1,
- LTTNG_KERNEL_ABI_SYSCALL_ABI_COMPAT = 2,
-};
-
-enum lttng_kernel_abi_syscall_match {
- LTTNG_KERNEL_ABI_SYSCALL_MATCH_NAME = 0,
- LTTNG_KERNEL_ABI_SYSCALL_MATCH_NR = 1,
-};
-
-struct lttng_kernel_abi_syscall {
- uint8_t entryexit; /* enum lttng_kernel_abi_syscall_entryexit */
- uint8_t abi; /* enum lttng_kernel_abi_syscall_abi */
- uint8_t match; /* enum lttng_kernel_abi_syscall_match */
- uint8_t padding;
- uint32_t nr; /* For LTTNG_SYSCALL_MATCH_NR */
-} LTTNG_PACKED;
-
-/* Function tracer */
-struct lttng_kernel_abi_function {
- char symbol_name[LTTNG_KERNEL_ABI_SYM_NAME_LEN];
-} LTTNG_PACKED;
-
-#define LTTNG_KERNEL_ABI_EVENT_PADDING1 8
-#define LTTNG_KERNEL_ABI_EVENT_PADDING2 LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32
-struct lttng_kernel_abi_event {
- char name[LTTNG_KERNEL_ABI_SYM_NAME_LEN];
- enum lttng_kernel_abi_instrumentation instrumentation;
- uint64_t token;
- char padding[LTTNG_KERNEL_ABI_EVENT_PADDING1];
-
- /* Per instrumentation type configuration */
- union {
- struct lttng_kernel_abi_kretprobe kretprobe;
- struct lttng_kernel_abi_kprobe kprobe;
- struct lttng_kernel_abi_function ftrace;
- struct lttng_kernel_abi_uprobe uprobe;
- struct lttng_kernel_abi_syscall syscall;
- char padding[LTTNG_KERNEL_ABI_EVENT_PADDING2];
- } u;
-} LTTNG_PACKED;
-
-#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_PADDING 32
-struct lttng_kernel_abi_event_notifier {
- struct lttng_kernel_abi_event event;
- uint64_t error_counter_idx;
-
- char padding[LTTNG_KERNEL_ABI_EVENT_NOTIFIER_PADDING];
-} LTTNG_PACKED;
-
-#define LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX 4
-
-enum lttng_kernel_abi_counter_arithmetic {
- LTTNG_KERNEL_ABI_COUNTER_ARITHMETIC_MODULAR = 0,
-};
-
-enum lttng_kernel_abi_counter_bitness {
- LTTNG_KERNEL_ABI_COUNTER_BITNESS_32 = 0,
- LTTNG_KERNEL_ABI_COUNTER_BITNESS_64 = 1,
-};
-
-struct lttng_kernel_abi_counter_dimension {
- uint64_t size;
- uint64_t underflow_index;
- uint64_t overflow_index;
- uint8_t has_underflow;
- uint8_t has_overflow;
-} LTTNG_PACKED;
-
-#define LTTNG_KERNEL_ABI_COUNTER_CONF_PADDING1 67
-struct lttng_kernel_abi_counter_conf {
- uint32_t arithmetic; /* enum lttng_kernel_abi_counter_arithmetic */
- uint32_t bitness; /* enum lttng_kernel_abi_counter_bitness */
- uint32_t number_dimensions;
- int64_t global_sum_step;
- struct lttng_kernel_abi_counter_dimension dimensions[LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX];
- uint8_t coalesce_hits;
- char padding[LTTNG_KERNEL_ABI_COUNTER_CONF_PADDING1];
-} LTTNG_PACKED;
-
-struct lttng_kernel_abi_counter_index {
- uint32_t number_dimensions;
- uint64_t dimension_indexes[LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX];
-} LTTNG_PACKED;
-
-struct lttng_kernel_abi_counter_value {
- int64_t value;
- uint8_t underflow;
- uint8_t overflow;
-} LTTNG_PACKED;
-
-#define LTTNG_KERNEL_ABI_COUNTER_READ_PADDING 32
-struct lttng_kernel_abi_counter_read {
- struct lttng_kernel_abi_counter_index index;
- int32_t cpu; /* -1 for global counter, >= 0 for specific cpu. */
- struct lttng_kernel_abi_counter_value value; /* output */
- char padding[LTTNG_KERNEL_ABI_COUNTER_READ_PADDING];
-} LTTNG_PACKED;
-
-#define LTTNG_KERNEL_ABI_COUNTER_AGGREGATE_PADDING 32
-struct lttng_kernel_abi_counter_aggregate {
- struct lttng_kernel_abi_counter_index index;
- struct lttng_kernel_abi_counter_value value; /* output */
- char padding[LTTNG_KERNEL_ABI_COUNTER_AGGREGATE_PADDING];
-} LTTNG_PACKED;
-
-#define LTTNG_KERNEL_ABI_COUNTER_CLEAR_PADDING 32
-struct lttng_kernel_abi_counter_clear {
- struct lttng_kernel_abi_counter_index index;
- char padding[LTTNG_KERNEL_ABI_COUNTER_CLEAR_PADDING];
-} LTTNG_PACKED;
-
-#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING 32
-struct lttng_kernel_abi_event_notifier_notification {
- uint64_t token;
- uint16_t capture_buf_size;
- char padding[LTTNG_KERNEL_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING];
-} LTTNG_PACKED;
-
-#define LTTNG_KERNEL_ABI_CAPTURE_BYTECODE_MAX_LEN 65536
-struct lttng_kernel_abi_capture_bytecode {
- uint32_t len;
- uint32_t reloc_offset;
- uint64_t seqnum;
- char data[0];
-} LTTNG_PACKED;
-
-struct lttng_kernel_abi_tracer_version {
- uint32_t major;
- uint32_t minor;
- uint32_t patchlevel;
-} LTTNG_PACKED;
-
-struct lttng_kernel_abi_tracer_abi_version {
- uint32_t major;
- uint32_t minor;
-} LTTNG_PACKED;
-
-struct lttng_kernel_abi_syscall_mask {
- uint32_t len; /* in bits */
- char mask[];
-} LTTNG_PACKED;
-
-/*
- * kernel channel
- */
-#define LTTNG_KERNEL_ABI_CHANNEL_PADDING1 LTTNG_SYMBOL_NAME_LEN + 32
-struct lttng_kernel_abi_channel {
- uint64_t subbuf_size; /* bytes */
- uint64_t num_subbuf; /* power of 2 */
- unsigned int switch_timer_interval; /* usec */
- unsigned int read_timer_interval; /* usec */
- enum lttng_event_output output; /* splice, mmap */
-
- int overwrite; /* 1: overwrite, 0: discard */
- char padding[LTTNG_KERNEL_ABI_CHANNEL_PADDING1];
-} LTTNG_PACKED;
-
-#define KERNEL_FILTER_BYTECODE_MAX_LEN 65536
-struct lttng_kernel_abi_filter_bytecode {
- uint32_t len;
- uint32_t reloc_offset;
- uint64_t seqnum;
- char data[0];
-} LTTNG_PACKED;
-
-/*
- * kernel session name
- */
-struct lttng_kernel_abi_session_name {
- char name[LTTNG_KERNEL_ABI_SESSION_NAME_LEN];
-} LTTNG_PACKED;
-
-/*
- * kernel session creation datetime
- */
-struct lttng_kernel_abi_session_creation_time {
- char iso8601[LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN];
-} LTTNG_PACKED;
-
-enum lttng_kernel_abi_tracker_type {
- LTTNG_KERNEL_ABI_TRACKER_UNKNOWN = -1,
-
- LTTNG_KERNEL_ABI_TRACKER_PID = 0,
- LTTNG_KERNEL_ABI_TRACKER_VPID = 1,
- LTTNG_KERNEL_ABI_TRACKER_UID = 2,
- LTTNG_KERNEL_ABI_TRACKER_VUID = 3,
- LTTNG_KERNEL_ABI_TRACKER_GID = 4,
- LTTNG_KERNEL_ABI_TRACKER_VGID = 5,
-};
-
-struct lttng_kernel_abi_tracker_args {
- enum lttng_kernel_abi_tracker_type type;
- int32_t id;
-};
-
-#endif /* _LTTNG_KERNEL_H */
projects / lttng-tools.git / blobdiff