* should be increased when an incompatible ABI change is done.
*/
#define LTTNG_MODULES_ABI_MAJOR_VERSION 2
-#define LTTNG_MODULES_ABI_MINOR_VERSION 0
+#define LTTNG_MODULES_ABI_MINOR_VERSION 3
#define LTTNG_KERNEL_SYM_NAME_LEN 256
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 {
} u;
} __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_TRACER_VERSION \
_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_ENABLE _IO(0xF6, 0x82)
#define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83)
-/* LTTng-specific ioctls for the lib ringbuffer */
+/* Event FD ioctl */
+#define LTTNG_KERNEL_FILTER _IO(0xF6, 0x90)
+
+/*
+ * LTTng-specific ioctls for the lib ringbuffer.
+ *
+ * Operations applying to the current sub-buffer need to occur between
+ * a get/put or get_next/put_next ioctl pair.
+ */
+
/* returns the timestamp begin of the current sub-buffer */
#define LTTNG_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)
-/* returns the number of events discarded */
+/* returns the number of events discarded of the current sub-buffer */
#define LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t)
-/* returns the packet payload size */
+/* returns the packet payload size of the current sub-buffer */
#define LTTNG_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t)
-/* returns the actual packet size */
+/* returns the packet size of the current sub-buffer*/
#define LTTNG_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t)
-/* returns the stream id */
+/* returns the stream id (invariant for the stream) */
#define LTTNG_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t)
-/* returns the current timestamp */
+/* returns the current timestamp as perceived from the tracer */
#define LTTNG_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)
+/* returns the stream instance id (invariant for the stream) */
+#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 timestamp end of the current sub-buffer */
#define LTTNG_RING_BUFFER_COMPAT_GET_TIMESTAMP_END \
LTTNG_RING_BUFFER_GET_TIMESTAMP_END
-/* returns the number of events discarded */
+/* 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
-/* returns the packet payload size */
+/* returns the packet payload size of the current sub-buffer */
#define LTTNG_RING_BUFFER_COMPAT_GET_CONTENT_SIZE \
LTTNG_RING_BUFFER_GET_CONTENT_SIZE
-/* returns the actual packet size */
+/* returns the packet size of the current sub-buffer */
#define LTTNG_RING_BUFFER_COMPAT_GET_PACKET_SIZE \
LTTNG_RING_BUFFER_GET_PACKET_SIZE
-/* returns the stream id */
+/* returns the stream id (invariant for the stream) */
#define LTTNG_RING_BUFFER_COMPAT_GET_STREAM_ID \
LTTNG_RING_BUFFER_GET_STREAM_ID
-/* returns the current timestamp */
+/* returns the current timestamp as perceived from the tracer */
#define LTTNG_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \
LTTNG_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
+/* returns the stream instance id (invariant for the stream) */
+#define LTTNG_RING_BUFFER_COMPAT_INSTANCE_ID \
+ LTTNG_RING_BUFFER_INSTANCE_ID
#endif /* CONFIG_COMPAT */
#endif /* _LTTNG_ABI_H */