/*
- * 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
LTTNG_KERNEL_CONTEXT_VGID = 34,
LTTNG_KERNEL_CONTEXT_VEGID = 35,
LTTNG_KERNEL_CONTEXT_VSGID = 36,
+ LTTNG_KERNEL_CONTEXT_TIME_NS = 37,
};
/* Perf counter attributes */
} u;
} LTTNG_PACKED;
+enum lttng_kernel_syscall_entryexit {
+ LTTNG_KERNEL_SYSCALL_ENTRYEXIT = 0,
+ LTTNG_KERNEL_SYSCALL_ENTRY = 1,
+ LTTNG_KERNEL_SYSCALL_EXIT = 2,
+};
+
+enum lttng_kernel_syscall_abi {
+ LTTNG_KERNEL_SYSCALL_ABI_ALL = 0,
+ LTTNG_KERNEL_SYSCALL_ABI_NATIVE = 1,
+ LTTNG_KERNEL_SYSCALL_ABI_COMPAT = 2,
+};
+
+enum lttng_kernel_syscall_match {
+ LTTNG_KERNEL_SYSCALL_MATCH_NAME = 0,
+ LTTNG_KERNEL_SYSCALL_MATCH_NR = 1,
+};
+
+struct lttng_kernel_syscall {
+ uint8_t entryexit; /* enum lttng_kernel_syscall_entryexit */
+ uint8_t abi; /* enum lttng_kernel_syscall_abi */
+ uint8_t match; /* enum lttng_kernel_syscall_match */
+ uint8_t padding;
+ uint32_t nr; /* For LTTNG_SYSCALL_MATCH_NR */
+} LTTNG_PACKED;
+
/* Function tracer */
struct lttng_kernel_function {
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
} LTTNG_PACKED;
-#define LTTNG_KERNEL_EVENT_PADDING1 16
+#define LTTNG_KERNEL_EVENT_PADDING1 8
#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;
+ uint64_t token;
char padding[LTTNG_KERNEL_EVENT_PADDING1];
/* Per instrumentation type configuration */
union {
struct lttng_kernel_kretprobe kretprobe;
struct lttng_kernel_kprobe kprobe;
- struct lttng_kernel_uprobe uprobe;
struct lttng_kernel_function ftrace;
+ struct lttng_kernel_uprobe uprobe;
+ struct lttng_kernel_syscall syscall;
char padding[LTTNG_KERNEL_EVENT_PADDING2];
} u;
} LTTNG_PACKED;
+#define LTTNG_KERNEL_EVENT_NOTIFIER_PADDING 32
+struct lttng_kernel_event_notifier {
+ struct lttng_kernel_event event;
+ uint64_t error_counter_idx;
+
+ char padding[LTTNG_KERNEL_EVENT_NOTIFIER_PADDING];
+} LTTNG_PACKED;
+
+#define LTTNG_KERNEL_COUNTER_DIMENSION_MAX 4
+
+enum lttng_kernel_counter_arithmetic {
+ LTTNG_KERNEL_COUNTER_ARITHMETIC_MODULAR = 0,
+};
+
+enum lttng_kernel_counter_bitness {
+ LTTNG_KERNEL_COUNTER_BITNESS_32 = 0,
+ LTTNG_KERNEL_COUNTER_BITNESS_64 = 1,
+};
+
+struct lttng_kernel_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_COUNTER_CONF_PADDING1 67
+struct lttng_kernel_counter_conf {
+ uint32_t arithmetic; /* enum lttng_kernel_counter_arithmetic */
+ uint32_t bitness; /* enum lttng_kernel_counter_bitness */
+ uint32_t number_dimensions;
+ int64_t global_sum_step;
+ struct lttng_kernel_counter_dimension dimensions[LTTNG_KERNEL_COUNTER_DIMENSION_MAX];
+ uint8_t coalesce_hits;
+ char padding[LTTNG_KERNEL_COUNTER_CONF_PADDING1];
+} LTTNG_PACKED;
+
+struct lttng_kernel_counter_index {
+ uint32_t number_dimensions;
+ uint64_t dimension_indexes[LTTNG_KERNEL_COUNTER_DIMENSION_MAX];
+} LTTNG_PACKED;
+
+struct lttng_kernel_counter_value {
+ int64_t value;
+ uint8_t underflow;
+ uint8_t overflow;
+} LTTNG_PACKED;
+
+#define LTTNG_KERNEL_COUNTER_READ_PADDING 32
+struct lttng_kernel_counter_read {
+ struct lttng_kernel_counter_index index;
+ int32_t cpu; /* -1 for global counter, >= 0 for specific cpu. */
+ struct lttng_kernel_counter_value value; /* output */
+ char padding[LTTNG_KERNEL_COUNTER_READ_PADDING];
+} LTTNG_PACKED;
+
+#define LTTNG_KERNEL_COUNTER_AGGREGATE_PADDING 32
+struct lttng_kernel_counter_aggregate {
+ struct lttng_kernel_counter_index index;
+ struct lttng_kernel_counter_value value; /* output */
+ char padding[LTTNG_KERNEL_COUNTER_AGGREGATE_PADDING];
+} LTTNG_PACKED;
+
+#define LTTNG_KERNEL_COUNTER_CLEAR_PADDING 32
+struct lttng_kernel_counter_clear {
+ struct lttng_kernel_counter_index index;
+ char padding[LTTNG_KERNEL_COUNTER_CLEAR_PADDING];
+} LTTNG_PACKED;
+
+#define LTTNG_KERNEL_EVENT_NOTIFIER_NOTIFICATION_PADDING 32
+struct lttng_kernel_event_notifier_notification {
+ uint64_t token;
+ uint16_t capture_buf_size;
+ char padding[LTTNG_KERNEL_EVENT_NOTIFIER_NOTIFICATION_PADDING];
+} LTTNG_PACKED;
+
+#define LTTNG_KERNEL_CAPTURE_BYTECODE_MAX_LEN 65536
+struct lttng_kernel_capture_bytecode {
+ uint32_t len;
+ uint32_t reloc_offset;
+ uint64_t seqnum;
+ char data[0];
+} LTTNG_PACKED;
+
struct lttng_kernel_tracer_version {
uint32_t major;
uint32_t minor;