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Version 2.7.7
[lttng-modules.git]
/
lttng-abi.h
diff --git
a/lttng-abi.h
b/lttng-abi.h
index 322989a3aaaf5b5fd6749e586d2bcc1103e65215..ab54cf8dc50ec06b6ca5a504ff173bdfeb6d8bc0 100644
(file)
--- a/
lttng-abi.h
+++ b/
lttng-abi.h
@@
-25,6
+25,13
@@
#include <linux/fs.h>
#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 0
+
#define LTTNG_KERNEL_SYM_NAME_LEN 256
enum lttng_kernel_instrumentation {
#define LTTNG_KERNEL_SYM_NAME_LEN 256
enum lttng_kernel_instrumentation {
@@
-79,12
+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
@@
-98,7
+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));
@@
-109,6
+111,11
@@
struct lttng_kernel_tracer_version {
uint32_t patchlevel;
} __attribute__((packed));
uint32_t patchlevel;
} __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,
};
enum lttng_kernel_calibrate_type {
LTTNG_KERNEL_CALIBRATE_KRETPROBE,
};
@@
-134,6
+141,7
@@
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,
};
struct lttng_kernel_perf_counter_ctx {
};
struct lttng_kernel_perf_counter_ctx {
@@
-154,6
+162,14
@@
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 \
@@
-162,7
+178,9
@@
struct lttng_kernel_context {
#define LTTNG_KERNEL_WAIT_QUIESCENT _IO(0xF6, 0x48)
#define LTTNG_KERNEL_CALIBRATE \
_IOWR(0xF6, 0x49, struct lttng_kernel_calibrate)
#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, 0x49)
+#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 \
/* Session FD ioctl */
#define LTTNG_KERNEL_METADATA \
@@
-171,6
+189,11
@@
struct lttng_kernel_context {
_IOW(0xF6, 0x55, struct lttng_kernel_channel)
#define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x56)
#define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x57)
_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)
+#define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)
/* Channel FD ioctl */
#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62)
/* Channel FD ioctl */
#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62)
@@
-187,6
+210,9
@@
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)
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