X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ioctl.h;h=cb2362053f59eaf9d77cb2e91bc3a71384ffde7c;hp=70408987b46dd4666e1a3a73bdec88d9d6779ae8;hb=001b7e62c1cb15f9d6cb835647b81028d56cf2d8;hpb=d14d33bf091e72b23b1f90ea18a0a01bed098b76 diff --git a/src/common/kernel-ctl/kernel-ioctl.h b/src/common/kernel-ctl/kernel-ioctl.h index 70408987b..cb2362053 100644 --- a/src/common/kernel-ctl/kernel-ioctl.h +++ b/src/common/kernel-ctl/kernel-ioctl.h @@ -19,6 +19,9 @@ #ifndef _LTT_KERNEL_IOCTL_H #define _LTT_KERNEL_IOCTL_H +#define LTTNG_MODULES_ABI_MAJOR_VERSION 2 +#define LTTNG_MODULES_ABI_MINOR_VERSION 3 + /* Get a snapshot of the current ring buffer producer and consumer positions */ #define RING_BUFFER_SNAPSHOT _IO(0xF6, 0x00) /* Get the consumer position (iteration start) */ @@ -46,35 +49,112 @@ #define RING_BUFFER_GET_MMAP_READ_OFFSET _IOR(0xF6, 0x0B, unsigned long) /* flush the current sub-buffer */ #define RING_BUFFER_FLUSH _IO(0xF6, 0x0C) +/* Get the current version of the metadata cache (after a get_next). */ +#define RING_BUFFER_GET_METADATA_VERSION _IOR(0xF6, 0x0D, uint64_t) +/* + * Get a snapshot of the current ring buffer producer and consumer positions, + * regardless of whether or not the two positions are contained within the same + * sub-buffer. + */ +#define RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS _IO(0xF6, 0x0E) + +/* 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) +/* 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) + +/* Old ABI (without support for 32/64 bits compat) */ +/* LTTng file descriptor ioctl */ +#define LTTNG_KERNEL_OLD_SESSION _IO(0xF6, 0x40) +#define LTTNG_KERNEL_OLD_TRACER_VERSION \ + _IOR(0xF6, 0x41, struct lttng_kernel_old_tracer_version) +#define LTTNG_KERNEL_OLD_TRACEPOINT_LIST _IO(0xF6, 0x42) +#define LTTNG_KERNEL_OLD_WAIT_QUIESCENT _IO(0xF6, 0x43) + +/* Session FD ioctl */ +#define LTTNG_KERNEL_OLD_METADATA \ + _IOW(0xF6, 0x50, struct lttng_kernel_old_channel) +#define LTTNG_KERNEL_OLD_CHANNEL \ + _IOW(0xF6, 0x51, struct lttng_kernel_old_channel) +#define LTTNG_KERNEL_OLD_SESSION_START _IO(0xF6, 0x52) +#define LTTNG_KERNEL_OLD_SESSION_STOP _IO(0xF6, 0x53) + +/* Channel FD ioctl */ +#define LTTNG_KERNEL_OLD_STREAM _IO(0xF6, 0x60) +#define LTTNG_KERNEL_OLD_EVENT \ + _IOW(0xF6, 0x61, struct lttng_kernel_old_event) + +/* Event and Channel FD ioctl */ +#define LTTNG_KERNEL_OLD_CONTEXT \ + _IOW(0xF6, 0x70, struct lttng_kernel_old_context) + +/* Event, Channel and Session ioctl */ +#define LTTNG_KERNEL_OLD_ENABLE _IO(0xF6, 0x80) +#define LTTNG_KERNEL_OLD_DISABLE _IO(0xF6, 0x81) + +/* Current ABI (with suport for 32/64 bits compat) */ /* LTTng file descriptor ioctl */ -#define LTTNG_KERNEL_SESSION _IO(0xF6, 0x40) -#define LTTNG_KERNEL_TRACER_VERSION \ - _IOR(0xF6, 0x41, struct lttng_kernel_tracer_version) -#define LTTNG_KERNEL_TRACEPOINT_LIST _IO(0xF6, 0x42) -#define LTTNG_KERNEL_WAIT_QUIESCENT _IO(0xF6, 0x43) -#define LTTNG_KERNEL_CALIBRATE \ - _IOWR(0xF6, 0x44, struct lttng_kernel_calibrate) +#define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45) +#define LTTNG_KERNEL_TRACER_VERSION \ + _IOR(0xF6, 0x46, struct lttng_kernel_tracer_version) +#define LTTNG_KERNEL_TRACEPOINT_LIST _IO(0xF6, 0x47) +#define LTTNG_KERNEL_WAIT_QUIESCENT _IO(0xF6, 0x48) +#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 \ - _IOW(0xF6, 0x50, struct lttng_channel_attr) -#define LTTNG_KERNEL_CHANNEL \ - _IOW(0xF6, 0x51, struct lttng_channel_attr) -#define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x52) -#define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x53) +#define LTTNG_KERNEL_METADATA \ + _IOW(0xF6, 0x54, struct lttng_kernel_channel) +#define LTTNG_KERNEL_CHANNEL \ + _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) +/* + * 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, 0x60) -#define LTTNG_KERNEL_EVENT \ - _IOW(0xF6, 0x61, struct lttng_kernel_event) +#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62) +#define LTTNG_KERNEL_EVENT \ + _IOW(0xF6, 0x63, struct lttng_kernel_event) +#define LTTNG_KERNEL_SYSCALL_MASK \ + _IOWR(0xF6, 0x64, struct lttng_kernel_syscall_mask) /* Event and Channel FD ioctl */ -#define LTTNG_KERNEL_CONTEXT \ - _IOW(0xF6, 0x70, struct lttng_kernel_context) +#define LTTNG_KERNEL_CONTEXT \ + _IOW(0xF6, 0x71, struct lttng_kernel_context) /* Event, Channel and Session ioctl */ -#define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x80) -#define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x81) +#define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x82) +#define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83) + +/* Event FD ioctl */ +#define LTTNG_KERNEL_FILTER _IO(0xF6, 0x90) #endif /* _LTT_KERNEL_IOCTL_H */