#define _LTTNG_ABI_H
#include <linux/fs.h>
+#include <linux/types.h>
/*
* Major/minor version of ABI exposed to lttng tools. Major number
uint64_t num_subbuf;
unsigned int switch_timer_interval; /* usecs */
unsigned int read_timer_interval; /* usecs */
- enum lttng_kernel_output output; /* splice, mmap */
+ uint32_t output; /* enum lttng_kernel_output (splice, mmap) */
int overwrite; /* 1: overwrite, 0: discard */
char padding[LTTNG_KERNEL_CHANNEL_PADDING];
} __attribute__((packed));
} 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_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, /* 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 */
+ 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 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]; /* event name */
- enum lttng_kernel_instrumentation instrumentation;
+ uint32_t instrumentation; /* enum lttng_kernel_instrumentation */
+ uint64_t token; /* User-provided token */
char padding[LTTNG_KERNEL_EVENT_PADDING1];
/* Per instrumentation type configuration */
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];
} u;
} __attribute__((packed));
+#define LTTNG_KERNEL_EVENT_NOTIFIER_PADDING1 16
+struct lttng_kernel_event_notifier {
+ struct lttng_kernel_event event;
+ uint64_t error_counter_index;
+
+ char padding[LTTNG_KERNEL_EVENT_NOTIFIER_PADDING1];
+} __attribute__((packed));
+
+enum lttng_kernel_counter_arithmetic {
+ LTTNG_KERNEL_COUNTER_ARITHMETIC_MODULAR = 1,
+};
+
+enum lttng_kernel_counter_bitness {
+ LTTNG_KERNEL_COUNTER_BITNESS_32 = 1,
+ LTTNG_KERNEL_COUNTER_BITNESS_64 = 2,
+};
+
+struct lttng_kernel_counter_dimension {
+ uint64_t size;
+ uint64_t underflow_index;
+ uint64_t overflow_index;
+ uint8_t has_underflow;
+ 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 */
+ uint32_t number_dimensions;
+ int64_t global_sum_step;
+ struct lttng_kernel_counter_dimension dimensions[LTTNG_KERNEL_COUNTER_DIMENSION_MAX];
+} __attribute__((packed));
+
+struct lttng_kernel_counter_index {
+ uint32_t number_dimensions;
+ uint64_t dimension_indexes[LTTNG_KERNEL_COUNTER_DIMENSION_MAX];
+} __attribute__((packed));
+
+struct lttng_kernel_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;
+ 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];
+} __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];
+} __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];
+} __attribute__((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];
+} __attribute__((packed));
+
struct lttng_kernel_tracer_version {
uint32_t major;
uint32_t minor;
};
struct lttng_kernel_calibrate {
- enum lttng_kernel_calibrate_type type; /* type (input) */
+ uint32_t type; /* enum lttng_kernel_calibrate_type (input) */
} __attribute__((packed));
struct lttng_kernel_syscall_mask {
#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;
+ uint32_t ctx; /*enum lttng_kernel_context_type */
char padding[LTTNG_KERNEL_CONTEXT_PADDING1];
union {
char data[0];
} __attribute__((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];
+} __attribute__((packed));
+
enum lttng_kernel_tracker_type {
LTTNG_KERNEL_TRACKER_UNKNOWN = -1,
};
struct lttng_kernel_tracker_args {
- enum lttng_kernel_tracker_type type;
+ uint32_t type; /* enum lttng_kernel_tracker_type */
int32_t id;
};
#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)
/* Session FD ioctl */
/* lttng/abi-old.h reserve 0x50, 0x51, 0x52, and 0x53. */
#define LTTNG_KERNEL_CONTEXT \
_IOW(0xF6, 0x71, struct lttng_kernel_context)
-/* Event, Channel and Session ioctl */
+/* 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)
-/* Event FD ioctl */
+/* Trigger group and session ioctl */
+#define LTTNG_KERNEL_COUNTER \
+ _IOW(0xF6, 0x84, struct lttng_kernel_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_SESSION_UNTRACK_ID \
_IOR(0xF6, 0xA2, struct lttng_kernel_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 \
+ _IO(0xF6, 0xB1)
+
+/* Event notifier file descriptor ioctl */
+#define LTTNG_KERNEL_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)
+
+
/*
* LTTng-specific ioctls for the lib ringbuffer.
*
projects / lttng-modules.git / blobdiff