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Fix: Don't nest get online cpus
[lttng-modules.git]
/
lttng-abi.h
diff --git
a/lttng-abi.h
b/lttng-abi.h
index 275c3496e867382dc2c55781e0f74524a763f752..dac8658479f52d8079982f742a4bb425a808c10c 100644
(file)
--- a/
lttng-abi.h
+++ b/
lttng-abi.h
@@
-29,8
+29,8
@@
* Major/minor version of ABI exposed to lttng tools. Major number
* should be increased when an incompatible ABI change is done.
*/
* 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
1
-#define LTTNG_MODULES_ABI_MINOR_VERSION
0
+#define LTTNG_MODULES_ABI_MAJOR_VERSION
2
+#define LTTNG_MODULES_ABI_MINOR_VERSION
3
#define LTTNG_KERNEL_SYM_NAME_LEN 256
#define LTTNG_KERNEL_SYM_NAME_LEN 256
@@
-86,12
+86,8
@@
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 =
'\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
*/
#define LTTNG_KERNEL_EVENT_PADDING1 16
#define LTTNG_KERNEL_EVENT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
@@
-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)
@@
-206,6
+222,9
@@
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)
+/* 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)
/* 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)
@@
-221,6
+240,10
@@
struct lttng_kernel_context {
#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)
#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 */
#ifdef CONFIG_COMPAT
/* returns the timestamp begin of the current sub-buffer */
@@
-244,6
+267,12
@@
struct lttng_kernel_context {
/* returns the current timestamp */
#define LTTNG_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \
LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP
/* 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 */
#endif /* CONFIG_COMPAT */
#endif /* _LTTNG_ABI_H */
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