/*
- * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
- * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- * David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
*
- * 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 _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_SYM_NAME_LEN 256
+#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_instrumentation {
- LTTNG_KERNEL_ALL = -1, /* Used within lttng-tools */
- LTTNG_KERNEL_TRACEPOINT = 0,
- LTTNG_KERNEL_KPROBE = 1,
- LTTNG_KERNEL_FUNCTION = 2,
- LTTNG_KERNEL_KRETPROBE = 3,
- LTTNG_KERNEL_NOOP = 4, /* not hooked */
- LTTNG_KERNEL_SYSCALL = 5,
+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_context_type {
- LTTNG_KERNEL_CONTEXT_PID = 0,
- LTTNG_KERNEL_CONTEXT_PERF_COUNTER = 1,
- LTTNG_KERNEL_CONTEXT_PROCNAME = 2,
- LTTNG_KERNEL_CONTEXT_PRIO = 3,
- LTTNG_KERNEL_CONTEXT_NICE = 4,
- LTTNG_KERNEL_CONTEXT_VPID = 5,
- LTTNG_KERNEL_CONTEXT_TID = 6,
- LTTNG_KERNEL_CONTEXT_VTID = 7,
- LTTNG_KERNEL_CONTEXT_PPID = 8,
- LTTNG_KERNEL_CONTEXT_VPPID = 9,
+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_perf_counter_ctx {
+struct lttng_kernel_abi_perf_counter_ctx {
uint32_t type;
uint64_t config;
- char name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
+ char name[LTTNG_KERNEL_ABI_SYM_NAME_LEN];
+} LTTNG_PACKED;
/* Event/Channel context */
-#define LTTNG_KERNEL_CONTEXT_PADDING1 16
-#define LTTNG_KERNEL_CONTEXT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
-struct lttng_kernel_context {
- enum lttng_kernel_context_type ctx;
- char padding[LTTNG_KERNEL_CONTEXT_PADDING1];
+#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_perf_counter_ctx perf_counter;
- char padding[LTTNG_KERNEL_CONTEXT_PADDING2];
+ struct lttng_kernel_abi_perf_counter_ctx perf_counter;
+ char padding[LTTNG_KERNEL_ABI_CONTEXT_PADDING2];
} u;
-};
+} LTTNG_PACKED;
-struct lttng_kernel_kretprobe {
+struct lttng_kernel_abi_kretprobe {
uint64_t addr;
uint64_t offset;
- char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
+ char symbol_name[LTTNG_KERNEL_ABI_SYM_NAME_LEN];
+} LTTNG_PACKED;
/*
* Either addr is used, or symbol_name and offset.
*/
-struct lttng_kernel_kprobe {
+struct lttng_kernel_abi_kprobe {
uint64_t addr;
uint64_t offset;
- char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
+ 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,
};
-/* Function tracer */
-struct lttng_kernel_function {
- char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
+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,
};
-#define LTTNG_KERNEL_EVENT_PADDING1 16
-#define LTTNG_KERNEL_EVENT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
-struct lttng_kernel_event {
- char name[LTTNG_KERNEL_SYM_NAME_LEN];
- enum lttng_kernel_instrumentation instrumentation;
- char padding[LTTNG_KERNEL_EVENT_PADDING1];
+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_kretprobe kretprobe;
- struct lttng_kernel_kprobe kprobe;
- struct lttng_kernel_function ftrace;
- char padding[LTTNG_KERNEL_EVENT_PADDING2];
+ 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_tracer_version {
+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,
-enum lttng_kernel_calibrate_type {
- LTTNG_KERNEL_CALIBRATE_KRETPROBE,
+ 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_calibrate {
- enum lttng_kernel_calibrate_type type; /* type (input) */
+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