* Major/minor version of ABI exposed to lttng tools. Major number
* should be increased when an incompatible ABI change is done.
*/
-#define LTTNG_MODULES_ABI_MAJOR_VERSION 2
-#define LTTNG_MODULES_ABI_MINOR_VERSION 5
-
-#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_KPROBE = 1,
- LTTNG_KERNEL_FUNCTION = 2,
- LTTNG_KERNEL_KRETPROBE = 3,
- LTTNG_KERNEL_NOOP = 4, /* not hooked */
- LTTNG_KERNEL_SYSCALL = 5,
- LTTNG_KERNEL_UPROBE = 6,
+#define LTTNG_KERNEL_ABI_MAJOR_VERSION 2
+#define LTTNG_KERNEL_ABI_MINOR_VERSION 6
+
+#define LTTNG_KERNEL_ABI_SYM_NAME_LEN 256
+#define LTTNG_KERNEL_ABI_SESSION_NAME_LEN 256
+
+/*
+ * The expected iso8601 time formats are either:
+ *
+ * - YYYYmmddTHHMMSS+HHMM (20 characters + \0)
+ * - YYYY-mm-ddTHH:MM:SS+HH:MM (25 characters + \0)
+ */
+#define LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN 26
+
+enum lttng_kernel_abi_instrumentation {
+ 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,
};
/*
* LTTng consumer mode
*/
-enum lttng_kernel_output {
- LTTNG_KERNEL_SPLICE = 0,
- LTTNG_KERNEL_MMAP = 1,
+enum lttng_kernel_abi_output {
+ LTTNG_KERNEL_ABI_SPLICE = 0,
+ LTTNG_KERNEL_ABI_MMAP = 1,
};
/*
* LTTng DebugFS ABI structures.
*/
-#define LTTNG_KERNEL_CHANNEL_PADDING LTTNG_KERNEL_SYM_NAME_LEN + 32
-struct lttng_kernel_channel {
+#define LTTNG_KERNEL_ABI_CHANNEL_PADDING LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32
+struct lttng_kernel_abi_channel {
uint64_t subbuf_size; /* in bytes */
uint64_t num_subbuf;
unsigned int switch_timer_interval; /* usecs */
unsigned int read_timer_interval; /* usecs */
- uint32_t output; /* enum lttng_kernel_output (splice, mmap) */
+ uint32_t output; /* enum lttng_kernel_abi_output (splice, mmap) */
int overwrite; /* 1: overwrite, 0: discard */
- char padding[LTTNG_KERNEL_CHANNEL_PADDING];
+ char padding[LTTNG_KERNEL_ABI_CHANNEL_PADDING];
} __attribute__((packed));
-struct lttng_kernel_kretprobe {
+enum lttng_kernel_abi_kretprobe_entryexit {
+ LTTNG_KERNEL_ABI_KRETPROBE_ENTRYEXIT = 0,
+ LTTNG_KERNEL_ABI_KRETPROBE_ENTRY = 1,
+ LTTNG_KERNEL_ABI_KRETPROBE_EXIT = 2,
+};
+
+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];
+ uint8_t entryexit; /* enum lttng_kernel_abi_kretprobe_entryexit */
} __attribute__((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];
} __attribute__((packed));
-struct lttng_kernel_function_tracer {
- char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
+struct lttng_kernel_abi_function_tracer {
+ char symbol_name[LTTNG_KERNEL_ABI_SYM_NAME_LEN];
} __attribute__((packed));
-struct lttng_kernel_uprobe {
+struct lttng_kernel_abi_uprobe {
int fd;
} __attribute__((packed));
-struct lttng_kernel_event_callsite_uprobe {
+struct lttng_kernel_abi_event_callsite_uprobe {
uint64_t offset;
} __attribute__((packed));
-struct lttng_kernel_event_callsite {
+struct lttng_kernel_abi_event_callsite {
union {
- struct lttng_kernel_event_callsite_uprobe uprobe;
+ struct lttng_kernel_abi_event_callsite_uprobe uprobe;
} u;
} __attribute__((packed));
-enum lttng_kernel_syscall_entryexit {
- LTTNG_KERNEL_SYSCALL_ENTRYEXIT = 0,
- LTTNG_KERNEL_SYSCALL_ENTRY = 1,
- LTTNG_KERNEL_SYSCALL_EXIT = 2,
+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_syscall_abi {
- LTTNG_KERNEL_SYSCALL_ABI_ALL = 0,
- LTTNG_KERNEL_SYSCALL_ABI_NATIVE = 1,
- LTTNG_KERNEL_SYSCALL_ABI_COMPAT = 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_syscall_match {
- LTTNG_KERNEL_SYSCALL_MATCH_NAME = 0,
- LTTNG_KERNEL_SYSCALL_MATCH_NR = 1, /* Not implemented. */
+enum lttng_kernel_abi_syscall_match {
+ LTTNG_KERNEL_ABI_SYSCALL_MATCH_NAME = 0,
+ LTTNG_KERNEL_ABI_SYSCALL_MATCH_NR = 1, /* Not implemented. */
};
-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 */
+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 */
} __attribute__((packed));
/*
* For syscall tracing, name = "*" means "enable all".
*/
-#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]; /* event name */
- uint32_t instrumentation; /* enum lttng_kernel_instrumentation */
+#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]; /* event name */
+ uint32_t instrumentation; /* enum lttng_kernel_abi_instrumentation */
uint64_t token; /* User-provided token */
- char padding[LTTNG_KERNEL_EVENT_PADDING1];
+ 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_tracer ftrace;
- struct lttng_kernel_uprobe uprobe;
- struct lttng_kernel_syscall syscall;
- char padding[LTTNG_KERNEL_EVENT_PADDING2];
+ struct lttng_kernel_abi_kretprobe kretprobe;
+ struct lttng_kernel_abi_kprobe kprobe;
+ struct lttng_kernel_abi_function_tracer ftrace;
+ struct lttng_kernel_abi_uprobe uprobe;
+ struct lttng_kernel_abi_syscall syscall;
+ char padding[LTTNG_KERNEL_ABI_EVENT_PADDING2];
} u;
} __attribute__((packed));
-#define LTTNG_KERNEL_EVENT_NOTIFIER_PADDING1 16
-struct lttng_kernel_event_notifier {
- struct lttng_kernel_event event;
+#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_PADDING 32
+struct lttng_kernel_abi_event_notifier {
+ struct lttng_kernel_abi_event event;
uint64_t error_counter_index;
- char padding[LTTNG_KERNEL_EVENT_NOTIFIER_PADDING1];
+ char padding[LTTNG_KERNEL_ABI_EVENT_NOTIFIER_PADDING];
} __attribute__((packed));
-enum lttng_kernel_counter_arithmetic {
- LTTNG_KERNEL_COUNTER_ARITHMETIC_MODULAR = 1,
+#define LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX 4
+
+enum lttng_kernel_abi_counter_arithmetic {
+ LTTNG_KERNEL_ABI_COUNTER_ARITHMETIC_MODULAR = 0,
};
-enum lttng_kernel_counter_bitness {
- LTTNG_KERNEL_COUNTER_BITNESS_32 = 1,
- LTTNG_KERNEL_COUNTER_BITNESS_64 = 2,
+enum lttng_kernel_abi_counter_bitness {
+ LTTNG_KERNEL_ABI_COUNTER_BITNESS_32 = 0,
+ LTTNG_KERNEL_ABI_COUNTER_BITNESS_64 = 1,
};
-struct lttng_kernel_counter_dimension {
+struct lttng_kernel_abi_counter_dimension {
uint64_t size;
uint64_t underflow_index;
uint64_t overflow_index;
uint8_t has_overflow;
} __attribute__((packed));
-#define LTTNG_KERNEL_COUNTER_DIMENSION_MAX 4
-struct lttng_kernel_counter_conf {
- uint32_t arithmetic; /* enum lttng_kernel_counter_arithmetic */
- uint32_t bitness; /* enum lttng_kernel_counter_bitness */
+#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_counter_dimension dimensions[LTTNG_KERNEL_COUNTER_DIMENSION_MAX];
+ 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];
} __attribute__((packed));
-struct lttng_kernel_counter_index {
+struct lttng_kernel_abi_counter_index {
uint32_t number_dimensions;
- uint64_t dimension_indexes[LTTNG_KERNEL_COUNTER_DIMENSION_MAX];
+ uint64_t dimension_indexes[LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX];
} __attribute__((packed));
-struct lttng_kernel_counter_value {
+struct lttng_kernel_abi_counter_value {
int64_t value;
uint8_t underflow;
uint8_t overflow;
} __attribute__((packed));
-#define LTTNG_KERNEL_COUNTER_READ_PADDING 32
-struct lttng_kernel_counter_read {
- struct lttng_kernel_counter_index index;
+#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_counter_value value; /* output */
- char padding[LTTNG_KERNEL_COUNTER_READ_PADDING];
+ struct lttng_kernel_abi_counter_value value; /* output */
+ char padding[LTTNG_KERNEL_ABI_COUNTER_READ_PADDING];
} __attribute__((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];
+#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];
} __attribute__((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];
+#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];
} __attribute__((packed));
-#define LTTNG_KERNEL_EVENT_NOTIFIER_NOTIFICATION_PADDING 32
-struct lttng_kernel_event_notifier_notification {
+#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_EVENT_NOTIFIER_NOTIFICATION_PADDING];
+ char padding[LTTNG_KERNEL_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING];
} __attribute__((packed));
-struct lttng_kernel_tracer_version {
+struct lttng_kernel_abi_tracer_version {
uint32_t major;
uint32_t minor;
uint32_t patchlevel;
} __attribute__((packed));
-struct lttng_kernel_tracer_abi_version {
+struct lttng_kernel_abi_tracer_abi_version {
uint32_t major;
uint32_t minor;
} __attribute__((packed));
-struct lttng_kernel_session_name {
- char name[LTTNG_KERNEL_SESSION_NAME_LEN];
+struct lttng_kernel_abi_session_name {
+ char name[LTTNG_KERNEL_ABI_SESSION_NAME_LEN];
} __attribute__((packed));
-struct lttng_kernel_session_creation_time {
- char iso8601[LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN];
+struct lttng_kernel_abi_session_creation_time {
+ char iso8601[LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN];
} __attribute__((packed));
-enum lttng_kernel_calibrate_type {
- LTTNG_KERNEL_CALIBRATE_KRETPROBE,
+enum lttng_kernel_abi_calibrate_type {
+ LTTNG_KERNEL_ABI_CALIBRATE_KRETPROBE,
};
-struct lttng_kernel_calibrate {
- uint32_t type; /* enum lttng_kernel_calibrate_type (input) */
+struct lttng_kernel_abi_calibrate {
+ uint32_t type; /* enum lttng_kernel_abi_calibrate_type (input) */
} __attribute__((packed));
-struct lttng_kernel_syscall_mask {
+struct lttng_kernel_abi_syscall_mask {
uint32_t len; /* in bits */
char mask[];
} __attribute__((packed));
-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,
- LTTNG_KERNEL_CONTEXT_HOSTNAME = 10,
- LTTNG_KERNEL_CONTEXT_CPU_ID = 11,
- LTTNG_KERNEL_CONTEXT_INTERRUPTIBLE = 12,
- 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,
- LTTNG_KERNEL_CONTEXT_TIME_NS = 37,
+enum lttng_kernel_abi_context_type {
+ LTTNG_KERNEL_ABI_CONTEXT_PID = 0,
+ LTTNG_KERNEL_ABI_CONTEXT_PERF_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,
};
-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];
} __attribute__((packed));
-#define LTTNG_KERNEL_CONTEXT_PADDING1 16
-#define LTTNG_KERNEL_CONTEXT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
-struct lttng_kernel_context {
- uint32_t ctx; /*enum lttng_kernel_context_type */
- 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 {
+ uint32_t ctx; /*enum lttng_kernel_abi_context_type */
+ 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;
} __attribute__((packed));
-#define LTTNG_KERNEL_FILTER_BYTECODE_MAX_LEN 65536
-struct lttng_kernel_filter_bytecode {
+#define LTTNG_KERNEL_ABI_FILTER_BYTECODE_MAX_LEN 65536
+struct lttng_kernel_abi_filter_bytecode {
uint32_t len;
uint32_t reloc_offset;
uint64_t seqnum;
char data[0];
} __attribute__((packed));
-#define LTTNG_KERNEL_CAPTURE_BYTECODE_MAX_LEN 65536
-struct lttng_kernel_capture_bytecode {
+#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];
} __attribute__((packed));
-enum lttng_kernel_tracker_type {
- LTTNG_KERNEL_TRACKER_UNKNOWN = -1,
+enum lttng_kernel_abi_tracker_type {
+ LTTNG_KERNEL_ABI_TRACKER_UNKNOWN = -1,
- LTTNG_KERNEL_TRACKER_PID = 0,
- LTTNG_KERNEL_TRACKER_VPID = 1,
- LTTNG_KERNEL_TRACKER_UID = 2,
- LTTNG_KERNEL_TRACKER_VUID = 3,
- LTTNG_KERNEL_TRACKER_GID = 4,
- LTTNG_KERNEL_TRACKER_VGID = 5,
+ 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_tracker_args {
- uint32_t type; /* enum lttng_kernel_tracker_type */
+struct lttng_kernel_abi_tracker_args {
+ uint32_t type; /* enum lttng_kernel_abi_tracker_type */
int32_t id;
};
/* 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)
-#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)
+#define LTTNG_KERNEL_ABI_SESSION _IO(0xF6, 0x45)
+#define LTTNG_KERNEL_ABI_TRACER_VERSION \
+ _IOR(0xF6, 0x46, struct lttng_kernel_abi_tracer_version)
+#define LTTNG_KERNEL_ABI_TRACEPOINT_LIST _IO(0xF6, 0x47)
+#define LTTNG_KERNEL_ABI_WAIT_QUIESCENT _IO(0xF6, 0x48)
+#define LTTNG_KERNEL_ABI_CALIBRATE \
+ _IOWR(0xF6, 0x49, struct lttng_kernel_abi_calibrate)
+#define LTTNG_KERNEL_ABI_SYSCALL_LIST _IO(0xF6, 0x4A)
+#define LTTNG_KERNEL_ABI_TRACER_ABI_VERSION \
+ _IOR(0xF6, 0x4B, struct lttng_kernel_abi_tracer_abi_version)
+#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_CREATE _IO(0xF6, 0x4C)
/* 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 \
- _IOW(0xF6, 0x55, struct lttng_kernel_channel)
-#define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x56)
-#define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x57)
-#define LTTNG_KERNEL_SESSION_TRACK_PID \
- _IOR(0xF6, 0x58, int32_t)
-#define LTTNG_KERNEL_SESSION_UNTRACK_PID \
- _IOR(0xF6, 0x59, int32_t)
+#define LTTNG_KERNEL_ABI_METADATA \
+ _IOW(0xF6, 0x54, struct lttng_kernel_abi_channel)
+#define LTTNG_KERNEL_ABI_CHANNEL \
+ _IOW(0xF6, 0x55, struct lttng_kernel_abi_channel)
+#define LTTNG_KERNEL_ABI_SESSION_START _IO(0xF6, 0x56)
+#define LTTNG_KERNEL_ABI_SESSION_STOP _IO(0xF6, 0x57)
+#define LTTNG_KERNEL_ABI_SESSION_TRACK_PID \
+ _IOW(0xF6, 0x58, int32_t)
+#define LTTNG_KERNEL_ABI_SESSION_UNTRACK_PID \
+ _IOW(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)
+#define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)
+#define LTTNG_KERNEL_ABI_SESSION_METADATA_REGEN _IO(0xF6, 0x59)
/* 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)
+#define LTTNG_KERNEL_ABI_SESSION_STATEDUMP _IO(0xF6, 0x5C)
+#define LTTNG_KERNEL_ABI_SESSION_SET_NAME \
+ _IOW(0xF6, 0x5D, struct lttng_kernel_abi_session_name)
+#define LTTNG_KERNEL_ABI_SESSION_SET_CREATION_TIME \
+ _IOW(0xF6, 0x5E, struct lttng_kernel_abi_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)
-#define LTTNG_KERNEL_SYSCALL_MASK \
- _IOWR(0xF6, 0x64, struct lttng_kernel_syscall_mask)
+#define LTTNG_KERNEL_ABI_STREAM _IO(0xF6, 0x62)
+#define LTTNG_KERNEL_ABI_EVENT \
+ _IOW(0xF6, 0x63, struct lttng_kernel_abi_event)
+#define LTTNG_KERNEL_ABI_SYSCALL_MASK \
+ _IOWR(0xF6, 0x64, struct lttng_kernel_abi_syscall_mask)
/* Event and Channel FD ioctl */
/* lttng/abi-old.h reserve 0x70. */
-#define LTTNG_KERNEL_CONTEXT \
- _IOW(0xF6, 0x71, struct lttng_kernel_context)
+#define LTTNG_KERNEL_ABI_CONTEXT \
+ _IOW(0xF6, 0x71, struct lttng_kernel_abi_context)
/* Event, Event notifier, Channel, Counter 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)
+#define LTTNG_KERNEL_ABI_ENABLE _IO(0xF6, 0x82)
+#define LTTNG_KERNEL_ABI_DISABLE _IO(0xF6, 0x83)
/* Trigger group and session ioctl */
-#define LTTNG_KERNEL_COUNTER \
- _IOW(0xF6, 0x84, struct lttng_kernel_counter_conf)
+#define LTTNG_KERNEL_ABI_COUNTER \
+ _IOW(0xF6, 0x84, struct lttng_kernel_abi_counter_conf)
/* Event and Event notifier FD ioctl */
-#define LTTNG_KERNEL_FILTER _IO(0xF6, 0x90)
-#define LTTNG_KERNEL_ADD_CALLSITE _IO(0xF6, 0x91)
+#define LTTNG_KERNEL_ABI_FILTER _IO(0xF6, 0x90)
+#define LTTNG_KERNEL_ABI_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)
+#define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_IDS \
+ _IOW(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args)
+#define LTTNG_KERNEL_ABI_SESSION_TRACK_ID \
+ _IOW(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args)
+#define LTTNG_KERNEL_ABI_SESSION_UNTRACK_ID \
+ _IOW(0xF6, 0xA2, struct lttng_kernel_abi_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 \
+#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_CREATE \
+ _IOW(0xF6, 0xB0, struct lttng_kernel_abi_event_notifier)
+#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD \
_IO(0xF6, 0xB1)
/* Event notifier file descriptor ioctl */
-#define LTTNG_KERNEL_CAPTURE _IO(0xF6, 0xB8)
+#define LTTNG_KERNEL_ABI_CAPTURE _IO(0xF6, 0xB8)
/* Counter file descriptor ioctl */
-#define LTTNG_KERNEL_COUNTER_READ \
- _IOWR(0xF6, 0xC0, struct lttng_kernel_counter_read)
-#define LTTNG_KERNEL_COUNTER_AGGREGATE \
- _IOWR(0xF6, 0xC1, struct lttng_kernel_counter_aggregate)
-#define LTTNG_KERNEL_COUNTER_CLEAR \
- _IOW(0xF6, 0xC2, struct lttng_kernel_counter_clear)
+#define LTTNG_KERNEL_ABI_COUNTER_READ \
+ _IOWR(0xF6, 0xC0, struct lttng_kernel_abi_counter_read)
+#define LTTNG_KERNEL_ABI_COUNTER_AGGREGATE \
+ _IOWR(0xF6, 0xC1, struct lttng_kernel_abi_counter_aggregate)
+#define LTTNG_KERNEL_ABI_COUNTER_CLEAR \
+ _IOW(0xF6, 0xC2, struct lttng_kernel_abi_counter_clear)
/*
*/
/* returns the timestamp begin of the current sub-buffer */
-#define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t)
+#define LTTNG_KERNEL_ABI_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)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t)
/* returns the number of events discarded of the current sub-buffer */
-#define LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t)
/* returns the packet payload size of the current sub-buffer */
-#define LTTNG_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t)
/* returns the packet size of the current sub-buffer*/
-#define LTTNG_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t)
/* returns the stream id (invariant for the stream) */
-#define LTTNG_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t)
/* returns the current timestamp as perceived from the tracer */
-#define LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t)
/* returns the packet sequence number of the current sub-buffer */
-#define LTTNG_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t)
/* returns the stream instance id (invariant for the stream) */
-#define LTTNG_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t)
+
+/*
+ * Those ioctl numbers use the wrong direction, but are kept for ABI backward
+ * compatibility.
+ */
+#define LTTNG_KERNEL_ABI_OLD_SESSION_SET_NAME \
+ _IOR(0xF6, 0x5D, struct lttng_kernel_abi_session_name)
+#define LTTNG_KERNEL_ABI_OLD_SESSION_SET_CREATION_TIME \
+ _IOR(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time)
+#define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_PID \
+ _IOR(0xF6, 0x58, int32_t)
+#define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_PID \
+ _IOR(0xF6, 0x59, int32_t)
+#define LTTNG_KERNEL_ABI_OLD_SESSION_LIST_TRACKER_IDS \
+ _IOR(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args)
+#define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_ID \
+ _IOR(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args)
+#define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_ID \
+ _IOR(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args)
#ifdef CONFIG_COMPAT
/* returns the timestamp begin of the current sub-buffer */
-#define LTTNG_RING_BUFFER_COMPAT_GET_TIMESTAMP_BEGIN \
- LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN
+#define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_TIMESTAMP_BEGIN \
+ LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_BEGIN
/* returns the timestamp end of the current sub-buffer */
-#define LTTNG_RING_BUFFER_COMPAT_GET_TIMESTAMP_END \
- LTTNG_RING_BUFFER_GET_TIMESTAMP_END
+#define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_TIMESTAMP_END \
+ LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_END
/* 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
+#define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_EVENTS_DISCARDED \
+ LTTNG_KERNEL_ABI_RING_BUFFER_GET_EVENTS_DISCARDED
/* returns the packet payload size of the current sub-buffer */
-#define LTTNG_RING_BUFFER_COMPAT_GET_CONTENT_SIZE \
- LTTNG_RING_BUFFER_GET_CONTENT_SIZE
+#define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_CONTENT_SIZE \
+ LTTNG_KERNEL_ABI_RING_BUFFER_GET_CONTENT_SIZE
/* returns the packet size of the current sub-buffer */
-#define LTTNG_RING_BUFFER_COMPAT_GET_PACKET_SIZE \
- LTTNG_RING_BUFFER_GET_PACKET_SIZE
+#define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_PACKET_SIZE \
+ LTTNG_KERNEL_ABI_RING_BUFFER_GET_PACKET_SIZE
/* returns the stream id (invariant for the stream) */
-#define LTTNG_RING_BUFFER_COMPAT_GET_STREAM_ID \
- LTTNG_RING_BUFFER_GET_STREAM_ID
+#define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_STREAM_ID \
+ LTTNG_KERNEL_ABI_RING_BUFFER_GET_STREAM_ID
/* returns the current timestamp as perceived from the tracer */
-#define LTTNG_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \
- LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP
+#define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \
+ LTTNG_KERNEL_ABI_RING_BUFFER_GET_CURRENT_TIMESTAMP
/* returns the packet sequence number of the current sub-buffer */
-#define LTTNG_RING_BUFFER_COMPAT_GET_SEQ_NUM \
- LTTNG_RING_BUFFER_GET_SEQ_NUM
+#define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_SEQ_NUM \
+ LTTNG_KERNEL_ABI_RING_BUFFER_GET_SEQ_NUM
/* returns the stream instance id (invariant for the stream) */
-#define LTTNG_RING_BUFFER_COMPAT_INSTANCE_ID \
- LTTNG_RING_BUFFER_INSTANCE_ID
+#define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_INSTANCE_ID \
+ LTTNG_KERNEL_ABI_RING_BUFFER_INSTANCE_ID
#endif /* CONFIG_COMPAT */
#endif /* _LTTNG_ABI_H */