X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-abi.h;h=7a09fa24db9cb298752d5a32aea0751e76eeabad;hb=1a5986121ede6433a33d24a8518a3ff5b1c07d03;hp=8d3ecddcb442224a8809be1d3ee5c36a36647a1d;hpb=6dccd6c113eb0431a145b92abaf869b85ef7a92f;p=lttng-modules.git diff --git a/lttng-abi.h b/lttng-abi.h index 8d3ecddc..7a09fa24 100644 --- a/lttng-abi.h +++ b/lttng-abi.h @@ -56,14 +56,14 @@ struct lttng_kernel_channel { 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. @@ -73,11 +73,15 @@ struct lttng_kernel_kprobe { 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)); + +struct lttng_kernel_syscall { + char enable; +} __attribute__((packed)); /* * For syscall tracing, name = '\0' means "enable all". @@ -94,15 +98,16 @@ struct lttng_kernel_event { 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)); +} __attribute__((packed)); struct lttng_kernel_tracer_version { uint32_t major; uint32_t minor; uint32_t patchlevel; -}__attribute__((packed)); +} __attribute__((packed)); enum lttng_kernel_calibrate_type { LTTNG_KERNEL_CALIBRATE_KRETPROBE, @@ -110,7 +115,7 @@ enum lttng_kernel_calibrate_type { struct lttng_kernel_calibrate { enum lttng_kernel_calibrate_type type; /* type (input) */ -}__attribute__((packed)); +} __attribute__((packed)); enum lttng_kernel_context_type { LTTNG_KERNEL_CONTEXT_PID = 0, @@ -130,7 +135,7 @@ 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 @@ -142,7 +147,7 @@ struct lttng_kernel_context { struct lttng_kernel_perf_counter_ctx perf_counter; char padding[LTTNG_KERNEL_CONTEXT_PADDING2]; } u; -}__attribute__((packed)); +} __attribute__((packed)); /* LTTng file descriptor ioctl */ #define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45) @@ -152,6 +157,7 @@ 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_SYSCALL_LIST _IO(0xF6, 0x49) /* Session FD ioctl */ #define LTTNG_KERNEL_METADATA \ @@ -174,4 +180,44 @@ struct lttng_kernel_context { #define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x82) #define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83) +/* 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) +/* 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 */ +#define LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t) +/* returns the packet payload size */ +#define LTTNG_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t) +/* returns the actual packet size */ +#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) + +#ifdef CONFIG_COMPAT +/* returns the timestamp begin of the current sub-buffer */ +#define LTTNG_RING_BUFFER_COMPAT_GET_TIMESTAMP_BEGIN \ + LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN +/* 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 */ +#define LTTNG_RING_BUFFER_COMPAT_GET_EVENTS_DISCARDED \ + LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED +/* returns the packet payload size */ +#define LTTNG_RING_BUFFER_COMPAT_GET_CONTENT_SIZE \ + LTTNG_RING_BUFFER_GET_CONTENT_SIZE +/* returns the actual packet size */ +#define LTTNG_RING_BUFFER_COMPAT_GET_PACKET_SIZE \ + LTTNG_RING_BUFFER_GET_PACKET_SIZE +/* 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 +#endif /* CONFIG_COMPAT */ + #endif /* _LTTNG_ABI_H */