#include <linux/fs.h>
+/*
+ * 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 3
+
#define LTTNG_KERNEL_SYM_NAME_LEN 256
enum lttng_kernel_instrumentation {
enum lttng_kernel_output output; /* splice, mmap */
int overwrite; /* 1: overwrite, 0: discard */
char padding[LTTNG_KERNEL_CHANNEL_PADDING];
-}__attribute__((packed));
+} __attribute__((packed));
struct lttng_kernel_kretprobe {
uint64_t addr;
uint64_t offset;
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+} __attribute__((packed));
/*
* Either addr is used, or symbol_name and offset.
uint64_t offset;
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+} __attribute__((packed));
struct lttng_kernel_function_tracer {
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+} __attribute__((packed));
/*
- * For syscall tracing, name = '\0' means "enable all".
+ * For syscall tracing, name = "*" means "enable all".
*/
#define LTTNG_KERNEL_EVENT_PADDING1 16
#define LTTNG_KERNEL_EVENT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
struct lttng_kernel_function_tracer ftrace;
char padding[LTTNG_KERNEL_EVENT_PADDING2];
} u;
-}__attribute__((packed));
+} __attribute__((packed));
struct lttng_kernel_tracer_version {
uint32_t major;
uint32_t minor;
uint32_t patchlevel;
-}__attribute__((packed));
+} __attribute__((packed));
+
+struct lttng_kernel_tracer_abi_version {
+ uint32_t major;
+ uint32_t minor;
+} __attribute__((packed));
enum lttng_kernel_calibrate_type {
LTTNG_KERNEL_CALIBRATE_KRETPROBE,
struct lttng_kernel_calibrate {
enum lttng_kernel_calibrate_type type; /* type (input) */
-}__attribute__((packed));
+} __attribute__((packed));
+
+struct lttng_kernel_syscall_mask {
+ uint32_t len; /* in bits */
+ char mask[];
+} __attribute__((packed));
enum lttng_kernel_context_type {
LTTNG_KERNEL_CONTEXT_PID = 0,
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,
};
struct lttng_kernel_perf_counter_ctx {
uint32_t type;
uint64_t config;
char name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+} __attribute__((packed));
#define LTTNG_KERNEL_CONTEXT_PADDING1 16
#define LTTNG_KERNEL_CONTEXT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
struct lttng_kernel_perf_counter_ctx perf_counter;
char padding[LTTNG_KERNEL_CONTEXT_PADDING2];
} u;
-}__attribute__((packed));
+} __attribute__((packed));
+
+#define LTTNG_KERNEL_FILTER_BYTECODE_MAX_LEN 65536
+struct lttng_kernel_filter_bytecode {
+ uint32_t len;
+ uint32_t reloc_offset;
+ uint64_t seqnum;
+ char data[0];
+} __attribute__((packed));
/* LTTng file descriptor ioctl */
#define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45)
#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)
/* Session FD ioctl */
#define LTTNG_KERNEL_METADATA \
_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)
+/*
+ * 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)
+/* 0x5A and 0x5B are reserved for a future ABI-breaking cleanup. */
+#define LTTNG_KERNEL_SESSION_STATEDUMP _IO(0xF6, 0x5C)
/* Channel FD ioctl */
#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)
/* Event and Channel FD ioctl */
#define LTTNG_KERNEL_CONTEXT \
#define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x82)
#define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83)
+/* Event FD ioctl */
+#define LTTNG_KERNEL_FILTER _IO(0xF6, 0x90)
+
/* LTTng-specific ioctls for the lib ringbuffer */
/* returns the timestamp begin of the current sub-buffer */
#define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t)
#define LTTNG_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t)
/* returns the stream id */
#define LTTNG_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t)
+/* returns the current timestamp */
+#define LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t)
+/* returns the packet sequence number */
+#define LTTNG_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t)
+/* returns the stream instance id */
+#define LTTNG_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t)
#ifdef CONFIG_COMPAT
/* returns the timestamp begin of the current sub-buffer */
/* returns the stream id */
#define LTTNG_RING_BUFFER_COMPAT_GET_STREAM_ID \
LTTNG_RING_BUFFER_GET_STREAM_ID
+/* returns the current timestamp */
+#define LTTNG_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \
+ LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP
+/* returns the packet sequence number */
+#define LTTNG_RING_BUFFER_COMPAT_GET_SEQ_NUM \
+ LTTNG_RING_BUFFER_GET_SEQ_NUM
+/* returns the stream instance id */
+#define LTTNG_RING_BUFFER_COMPAT_INSTANCE_ID \
+ LTTNG_RING_BUFFER_INSTANCE_ID
#endif /* CONFIG_COMPAT */
#endif /* _LTTNG_ABI_H */
projects / lttng-modules.git / blobdiff