#ifndef _LTTNG_KERNEL_H
#define _LTTNG_KERNEL_H
-#include <stdint.h>
#include <common/compiler.hpp>
#include <common/macros.hpp>
+
#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
+#include <stdint.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.
*/
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,
+ 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_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_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_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,
+ 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 */
} 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))
+#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];
} 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,
+ 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_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,
+ 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 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 */
+ uint32_t nr; /* For LTTNG_SYSCALL_MATCH_NR */
} LTTNG_PACKED;
/* Function tracer */
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))
+#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;
} u;
} LTTNG_PACKED;
-#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_PADDING 32
+#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
+#define LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX 4
enum lttng_kernel_abi_counter_arithmetic {
LTTNG_KERNEL_ABI_COUNTER_ARITHMETIC_MODULAR = 0,
uint8_t has_overflow;
} LTTNG_PACKED;
-#define LTTNG_KERNEL_ABI_COUNTER_CONF_PADDING1 67
+#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 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];
#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 */
+ 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 */
+ struct lttng_kernel_abi_counter_value value; /* output */
char padding[LTTNG_KERNEL_ABI_COUNTER_AGGREGATE_PADDING];
} LTTNG_PACKED;
char padding[LTTNG_KERNEL_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING];
} LTTNG_PACKED;
-#define LTTNG_KERNEL_ABI_CAPTURE_BYTECODE_MAX_LEN 65536
+#define LTTNG_KERNEL_ABI_CAPTURE_BYTECODE_MAX_LEN 65536
struct lttng_kernel_abi_capture_bytecode {
uint32_t len;
uint32_t reloc_offset;
} LTTNG_PACKED;
struct lttng_kernel_abi_syscall_mask {
- uint32_t len; /* in bits */
+ uint32_t len; /* in bits */
char mask[LTTNG_FLEXIBLE_ARRAY_MEMBER_LENGTH];
} LTTNG_PACKED;
*/
#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 */
+ 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 */
+ unsigned int read_timer_interval; /* usec */
+ enum lttng_event_output output; /* splice, mmap */
- int overwrite; /* 1: overwrite, 0: discard */
+ int overwrite; /* 1: overwrite, 0: discard */
char padding[LTTNG_KERNEL_ABI_CHANNEL_PADDING1];
} LTTNG_PACKED;
-#define KERNEL_FILTER_BYTECODE_MAX_LEN 65536
+#define KERNEL_FILTER_BYTECODE_MAX_LEN 65536
struct lttng_kernel_abi_filter_bytecode {
uint32_t len;
uint32_t reloc_offset;
} 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,
+ 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 {
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