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fix: mm/vmscan: drop may_writepage and classzone_idx from direct reclaim begin templa...
[lttng-modules.git]
/
lttng-abi.h
diff --git
a/lttng-abi.h
b/lttng-abi.h
index a2e34ff7f87a594d969746477f4d20d8551cb41d..b414549cbacb48de2e31d524281d9ccce8805fcb 100644
(file)
--- a/
lttng-abi.h
+++ b/
lttng-abi.h
@@
-30,7
+30,7
@@
* should be increased when an incompatible ABI change is done.
*/
#define LTTNG_MODULES_ABI_MAJOR_VERSION 2
* 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
2
#define LTTNG_KERNEL_SYM_NAME_LEN 256
#define LTTNG_KERNEL_SYM_NAME_LEN 256
@@
-86,10
+86,6
@@
struct lttng_kernel_function_tracer {
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
} __attribute__((packed));
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
} __attribute__((packed));
-struct lttng_kernel_syscall {
- char enable;
-} __attribute__((packed));
-
/*
* For syscall tracing, name = "*" means "enable all".
*/
/*
* For syscall tracing, name = "*" means "enable all".
*/
@@
-105,7
+101,6
@@
struct lttng_kernel_event {
struct lttng_kernel_kretprobe kretprobe;
struct lttng_kernel_kprobe kprobe;
struct lttng_kernel_function_tracer ftrace;
struct lttng_kernel_kretprobe kretprobe;
struct lttng_kernel_kprobe kprobe;
struct lttng_kernel_function_tracer ftrace;
- struct lttng_kernel_syscall syscall;
char padding[LTTNG_KERNEL_EVENT_PADDING2];
} u;
} __attribute__((packed));
char padding[LTTNG_KERNEL_EVENT_PADDING2];
} u;
} __attribute__((packed));
@@
-146,6
+141,11
@@
enum lttng_kernel_context_type {
LTTNG_KERNEL_CONTEXT_PPID = 8,
LTTNG_KERNEL_CONTEXT_VPPID = 9,
LTTNG_KERNEL_CONTEXT_HOSTNAME = 10,
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 {
};
struct lttng_kernel_perf_counter_ctx {
@@
-166,6
+166,14
@@
struct lttng_kernel_context {
} u;
} __attribute__((packed));
} 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 \
/* LTTng file descriptor ioctl */
#define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45)
#define LTTNG_KERNEL_TRACER_VERSION \
@@
-189,7
+197,15
@@
struct lttng_kernel_context {
_IOR(0xF6, 0x58, int32_t)
#define LTTNG_KERNEL_SESSION_UNTRACK_PID \
_IOR(0xF6, 0x59, int32_t)
_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_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)
/* Channel FD ioctl */
#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62)
@@
-206,21
+222,34
@@
struct lttng_kernel_context {
#define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x82)
#define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83)
#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 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)
#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)
#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)
#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)
#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)
#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 */
#ifdef CONFIG_COMPAT
/* returns the timestamp begin of the current sub-buffer */
@@
-229,21
+258,27
@@
struct lttng_kernel_context {
/* 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 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
#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
#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
#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
#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
#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 */
#endif /* CONFIG_COMPAT */
#endif /* _LTTNG_ABI_H */
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