X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-abi.h;h=1342ca168e74aa6552cf877496436dde4d9836fd;hb=f63969cc383c919fdad975497d668605783c6c3a;hp=2567ceb8a7e179e89e0673a5b6565478956511f9;hpb=cbef69018acdeb52d27529e80126b43f3733e233;p=lttng-ust.git diff --git a/include/lttng/ust-abi.h b/include/lttng/ust-abi.h index 2567ceb8..1342ca16 100644 --- a/include/lttng/ust-abi.h +++ b/include/lttng/ust-abi.h @@ -1,175 +1,417 @@ -#ifndef _LTTNG_UST_ABI_H -#define _LTTNG_UST_ABI_H - /* - * lttng/ust-abi.h + * SPDX-License-Identifier: MIT * - * Copyright 2010-2011 (c) - Mathieu Desnoyers + * Copyright (C) 2010-2012 Mathieu Desnoyers * * LTTng-UST ABI header - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. */ +#ifndef _LTTNG_UST_ABI_H +#define _LTTNG_UST_ABI_H + #include +#include -#define LTTNG_UST_SYM_NAME_LEN 128 +#define LTTNG_UST_ABI_SYM_NAME_LEN 256 +#define LTTNG_UST_ABI_PROCNAME_LEN 16 -#define LTTNG_UST_COMM_VERSION_MAJOR 0 -#define LTTNG_UST_COMM_VERSION_MINOR 1 +/* UST comm magic number, used to validate protocol and endianness. */ +#define LTTNG_UST_ABI_COMM_MAGIC 0xC57C57C5 -enum lttng_ust_instrumentation { - LTTNG_UST_TRACEPOINT = 0, - LTTNG_UST_PROBE = 1, - LTTNG_UST_FUNCTION = 2, - LTTNG_UST_TRACEPOINT_LOGLEVEL = 3, +/* Version for ABI between liblttng-ust, sessiond, consumerd */ +#define LTTNG_UST_ABI_MAJOR_VERSION 10 +#define LTTNG_UST_ABI_MAJOR_VERSION_OLDEST_COMPATIBLE 8 +#define LTTNG_UST_ABI_MINOR_VERSION 0 + +enum lttng_ust_abi_instrumentation { + LTTNG_UST_ABI_TRACEPOINT = 0, + LTTNG_UST_ABI_PROBE = 1, + LTTNG_UST_ABI_FUNCTION = 2, }; -enum lttng_ust_output { - LTTNG_UST_MMAP = 0, +enum lttng_ust_abi_loglevel_type { + LTTNG_UST_ABI_LOGLEVEL_ALL = 0, + LTTNG_UST_ABI_LOGLEVEL_RANGE = 1, + LTTNG_UST_ABI_LOGLEVEL_SINGLE = 2, }; -struct lttng_ust_tracer_version { - uint32_t major; - uint32_t minor; - uint32_t patchlevel; +enum lttng_ust_abi_output { + LTTNG_UST_ABI_MMAP = 0, }; -struct lttng_ust_channel { - int overwrite; /* 1: overwrite, 0: discard */ - uint64_t subbuf_size; /* in bytes */ - uint64_t num_subbuf; - unsigned int switch_timer_interval; /* usecs */ - unsigned int read_timer_interval; /* usecs */ - enum lttng_ust_output output; /* output mode */ - /* The following fields are used internally within UST. */ - int shm_fd; - int wait_fd; - uint64_t memory_map_size; +enum lttng_ust_abi_chan_type { + LTTNG_UST_ABI_CHAN_PER_CPU = 0, + LTTNG_UST_ABI_CHAN_METADATA = 1, }; +struct lttng_ust_abi_tracer_version { + uint32_t major; + uint32_t minor; + uint32_t patchlevel; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_CHANNEL_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 32) /* - * This structure is only used internally within UST. It is not per-se - * part of the communication between sessiond and UST. + * Given that the consumerd is limited to 64k file descriptors, we + * cannot expect much more than 1MB channel structure size. This size is + * depends on the number of streams within a channel, which depends on + * the number of possible CPUs on the system. */ -struct lttng_ust_stream { - int shm_fd; - int wait_fd; - uint64_t memory_map_size; +#define LTTNG_UST_ABI_CHANNEL_DATA_MAX_LEN 1048576U +struct lttng_ust_abi_channel { + uint64_t len; + int32_t type; /* enum lttng_ust_abi_chan_type */ + char padding[LTTNG_UST_ABI_CHANNEL_PADDING]; + char data[]; /* variable sized data */ +} __attribute__((packed)); + +#define LTTNG_UST_ABI_STREAM_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_stream { + uint64_t len; /* shm len */ + uint32_t stream_nr; /* stream number */ + char padding[LTTNG_UST_ABI_STREAM_PADDING1]; + /* + * shm_fd and wakeup_fd are send over unix socket as file + * descriptors after this structure. + */ +} __attribute__((packed)); + +#define LTTNG_UST_ABI_COUNTER_DIMENSION_MAX 4 + +enum lttng_ust_abi_counter_arithmetic { + LTTNG_UST_ABI_COUNTER_ARITHMETIC_MODULAR = 0, + LTTNG_UST_ABI_COUNTER_ARITHMETIC_SATURATION = 1, +}; + +enum lttng_ust_abi_counter_bitness { + LTTNG_UST_ABI_COUNTER_BITNESS_32 = 0, + LTTNG_UST_ABI_COUNTER_BITNESS_64 = 1, }; -struct lttng_ust_event { - char name[LTTNG_UST_SYM_NAME_LEN]; /* event name */ - enum lttng_ust_instrumentation instrumentation; +struct lttng_ust_abi_counter_dimension { + uint64_t size; + uint64_t underflow_index; + uint64_t overflow_index; + uint8_t has_underflow; + uint8_t has_overflow; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_COUNTER_CONF_PADDING1 67 +struct lttng_ust_abi_counter_conf { + uint32_t arithmetic; /* enum lttng_ust_abi_counter_arithmetic */ + uint32_t bitness; /* enum lttng_ust_abi_counter_bitness */ + uint32_t number_dimensions; + int64_t global_sum_step; + struct lttng_ust_abi_counter_dimension dimensions[LTTNG_UST_ABI_COUNTER_DIMENSION_MAX]; + uint8_t coalesce_hits; + char padding[LTTNG_UST_ABI_COUNTER_CONF_PADDING1]; +} __attribute__((packed)); + +struct lttng_ust_abi_counter_value { + uint32_t number_dimensions; + uint64_t dimension_indexes[LTTNG_UST_ABI_COUNTER_DIMENSION_MAX]; + int64_t value; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_EVENT_PADDING1 8 +#define LTTNG_UST_ABI_EVENT_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_event { + int32_t instrumentation; /* enum lttng_ust_abi_instrumentation */ + char name[LTTNG_UST_ABI_SYM_NAME_LEN]; /* event name */ + + int32_t loglevel_type; /* enum lttng_ust_abi_loglevel_type */ + int32_t loglevel; /* value, -1: all */ + uint64_t token; /* User-provided token */ + char padding[LTTNG_UST_ABI_EVENT_PADDING1]; + /* Per instrumentation type configuration */ union { + char padding[LTTNG_UST_ABI_EVENT_PADDING2]; } u; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_EVENT_NOTIFIER_PADDING 32 +struct lttng_ust_abi_event_notifier { + struct lttng_ust_abi_event event; + uint64_t error_counter_index; + char padding[LTTNG_UST_ABI_EVENT_NOTIFIER_PADDING]; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING 32 +struct lttng_ust_abi_event_notifier_notification { + uint64_t token; + uint16_t capture_buf_size; + char padding[LTTNG_UST_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING]; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_COUNTER_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +#define LTTNG_UST_ABI_COUNTER_DATA_MAX_LEN 4096U +struct lttng_ust_abi_counter { + uint64_t len; + char padding[LTTNG_UST_ABI_COUNTER_PADDING1]; + char data[]; /* variable sized data */ +} __attribute__((packed)); + +#define LTTNG_UST_ABI_COUNTER_GLOBAL_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_counter_global { + uint64_t len; /* shm len */ + char padding[LTTNG_UST_ABI_COUNTER_GLOBAL_PADDING1]; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_COUNTER_CPU_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_counter_cpu { + uint64_t len; /* shm len */ + uint32_t cpu_nr; + char padding[LTTNG_UST_ABI_COUNTER_CPU_PADDING1]; +} __attribute__((packed)); + +enum lttng_ust_abi_field_type { + LTTNG_UST_ABI_FIELD_OTHER = 0, + LTTNG_UST_ABI_FIELD_INTEGER = 1, + LTTNG_UST_ABI_FIELD_ENUM = 2, + LTTNG_UST_ABI_FIELD_FLOAT = 3, + LTTNG_UST_ABI_FIELD_STRING = 4, }; -enum lttng_ust_context_type { - LTTNG_UST_CONTEXT_VTID = 0, - LTTNG_UST_CONTEXT_VPID = 1, - LTTNG_UST_CONTEXT_PTHREAD_ID = 2, - LTTNG_UST_CONTEXT_PROCNAME = 3, +#define LTTNG_UST_ABI_FIELD_ITER_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 28) +struct lttng_ust_abi_field_iter { + char event_name[LTTNG_UST_ABI_SYM_NAME_LEN]; + char field_name[LTTNG_UST_ABI_SYM_NAME_LEN]; + int32_t type; /* enum lttng_ust_abi_field_type */ + int loglevel; /* event loglevel */ + int nowrite; + char padding[LTTNG_UST_ABI_FIELD_ITER_PADDING]; +} __attribute__((packed)); + +enum lttng_ust_abi_context_type { + LTTNG_UST_ABI_CONTEXT_VTID = 0, + LTTNG_UST_ABI_CONTEXT_VPID = 1, + LTTNG_UST_ABI_CONTEXT_PTHREAD_ID = 2, + LTTNG_UST_ABI_CONTEXT_PROCNAME = 3, + LTTNG_UST_ABI_CONTEXT_IP = 4, + LTTNG_UST_ABI_CONTEXT_PERF_THREAD_COUNTER = 5, + LTTNG_UST_ABI_CONTEXT_CPU_ID = 6, + LTTNG_UST_ABI_CONTEXT_APP_CONTEXT = 7, + LTTNG_UST_ABI_CONTEXT_CGROUP_NS = 8, + LTTNG_UST_ABI_CONTEXT_IPC_NS = 9, + LTTNG_UST_ABI_CONTEXT_MNT_NS = 10, + LTTNG_UST_ABI_CONTEXT_NET_NS = 11, + LTTNG_UST_ABI_CONTEXT_PID_NS = 12, + LTTNG_UST_ABI_CONTEXT_USER_NS = 13, + LTTNG_UST_ABI_CONTEXT_UTS_NS = 14, + LTTNG_UST_ABI_CONTEXT_VUID = 15, + LTTNG_UST_ABI_CONTEXT_VEUID = 16, + LTTNG_UST_ABI_CONTEXT_VSUID = 17, + LTTNG_UST_ABI_CONTEXT_VGID = 18, + LTTNG_UST_ABI_CONTEXT_VEGID = 19, + LTTNG_UST_ABI_CONTEXT_VSGID = 20, + LTTNG_UST_ABI_CONTEXT_TIME_NS = 21, }; -struct lttng_ust_context { - enum lttng_ust_context_type ctx; +struct lttng_ust_abi_perf_counter_ctx { + uint32_t type; + uint64_t config; + char name[LTTNG_UST_ABI_SYM_NAME_LEN]; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_CONTEXT_PADDING1 16 +#define LTTNG_UST_ABI_CONTEXT_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_context { + int32_t ctx; /* enum lttng_ust_abi_context_type */ + char padding[LTTNG_UST_ABI_CONTEXT_PADDING1]; + union { + struct lttng_ust_abi_perf_counter_ctx perf_counter; + struct { + /* Includes trailing '\0'. */ + uint32_t provider_name_len; + uint32_t ctx_name_len; + } app_ctx; + char padding[LTTNG_UST_ABI_CONTEXT_PADDING2]; } u; -}; +} __attribute__((packed)); /* * Tracer channel attributes. */ -struct lttng_ust_channel_attr { - int overwrite; /* 1: overwrite, 0: discard */ +#define LTTNG_UST_ABI_CHANNEL_ATTR_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_channel_attr { uint64_t subbuf_size; /* bytes */ uint64_t num_subbuf; /* power of 2 */ + int overwrite; /* 1: overwrite, 0: discard */ unsigned int switch_timer_interval; /* usec */ unsigned int read_timer_interval; /* usec */ - enum lttng_ust_output output; /* splice, mmap */ -}; + int32_t output; /* enum lttng_ust_abi_output */ + union { + struct { + int64_t blocking_timeout; /* Blocking timeout (usec) */ + } s; + char padding[LTTNG_UST_ABI_CHANNEL_ATTR_PADDING]; + } u; +} __attribute__((packed)); -struct lttng_ust_tracepoint_iter { - char name[LTTNG_UST_SYM_NAME_LEN]; /* provider:name */ - char loglevel[LTTNG_UST_SYM_NAME_LEN]; /* loglevel */ - int64_t loglevel_value; +#define LTTNG_UST_ABI_TRACEPOINT_ITER_PADDING 16 +struct lttng_ust_abi_tracepoint_iter { + char name[LTTNG_UST_ABI_SYM_NAME_LEN]; /* provider:name */ + int loglevel; + char padding[LTTNG_UST_ABI_TRACEPOINT_ITER_PADDING]; +} __attribute__((packed)); + +enum lttng_ust_abi_object_type { + LTTNG_UST_ABI_OBJECT_TYPE_UNKNOWN = -1, + LTTNG_UST_ABI_OBJECT_TYPE_CHANNEL = 0, + LTTNG_UST_ABI_OBJECT_TYPE_STREAM = 1, + LTTNG_UST_ABI_OBJECT_TYPE_EVENT = 2, + LTTNG_UST_ABI_OBJECT_TYPE_CONTEXT = 3, + LTTNG_UST_ABI_OBJECT_TYPE_EVENT_NOTIFIER_GROUP = 4, + LTTNG_UST_ABI_OBJECT_TYPE_EVENT_NOTIFIER = 5, + LTTNG_UST_ABI_OBJECT_TYPE_COUNTER = 6, + LTTNG_UST_ABI_OBJECT_TYPE_COUNTER_GLOBAL = 7, + LTTNG_UST_ABI_OBJECT_TYPE_COUNTER_CPU = 8, }; -struct lttng_ust_object_data { +#define LTTNG_UST_ABI_OBJECT_DATA_PADDING1 32 +#define LTTNG_UST_ABI_OBJECT_DATA_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) + +struct lttng_ust_abi_object_data { + int32_t type; /* enum lttng_ust_abi_object_type */ int handle; - int shm_fd; - int wait_fd; - uint64_t memory_map_size; + uint64_t size; + char padding1[LTTNG_UST_ABI_OBJECT_DATA_PADDING1]; + union { + struct { + void *data; + int32_t type; /* enum lttng_ust_abi_chan_type */ + int wakeup_fd; + } channel; + struct { + int shm_fd; + int wakeup_fd; + uint32_t stream_nr; + } stream; + struct { + void *data; + } counter; + struct { + int shm_fd; + } counter_global; + struct { + int shm_fd; + uint32_t cpu_nr; + } counter_cpu; + char padding2[LTTNG_UST_ABI_OBJECT_DATA_PADDING2]; + } u; +} __attribute__((packed)); + +enum lttng_ust_abi_calibrate_type { + LTTNG_UST_ABI_CALIBRATE_TRACEPOINT, }; -#define _UST_CMD(minor) (minor) -#define _UST_CMDR(minor, type) (minor) -#define _UST_CMDW(minor, type) (minor) +#define LTTNG_UST_ABI_CALIBRATE_PADDING1 16 +#define LTTNG_UST_ABI_CALIBRATE_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_calibrate { + enum lttng_ust_abi_calibrate_type type; /* type (input) */ + char padding[LTTNG_UST_ABI_CALIBRATE_PADDING1]; + + union { + char padding[LTTNG_UST_ABI_CALIBRATE_PADDING2]; + } u; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_FILTER_BYTECODE_MAX_LEN 65536 +#define LTTNG_UST_ABI_FILTER_PADDING 32 +struct lttng_ust_abi_filter_bytecode { + uint32_t len; + uint32_t reloc_offset; + uint64_t seqnum; + char padding[LTTNG_UST_ABI_FILTER_PADDING]; + char data[0]; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_CAPTURE_BYTECODE_MAX_LEN 65536 +#define LTTNG_UST_ABI_CAPTURE_PADDING 32 +struct lttng_ust_abi_capture_bytecode { + uint32_t len; + uint32_t reloc_offset; + uint64_t seqnum; + char padding[LTTNG_UST_ABI_CAPTURE_PADDING]; + char data[0]; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_EXCLUSION_PADDING 32 +struct lttng_ust_abi_event_exclusion { + uint32_t count; + char padding[LTTNG_UST_ABI_EXCLUSION_PADDING]; + char names[LTTNG_UST_ABI_SYM_NAME_LEN][0]; +} __attribute__((packed)); + +#define LTTNG_UST_ABI_CMD(minor) (minor) +#define LTTNG_UST_ABI_CMDR(minor, type) (minor) +#define LTTNG_UST_ABI_CMDW(minor, type) (minor) /* Handled by object descriptor */ -#define LTTNG_UST_RELEASE _UST_CMD(0x1) +#define LTTNG_UST_ABI_RELEASE LTTNG_UST_ABI_CMD(0x1) /* Handled by object cmd */ /* LTTng-UST commands */ -#define LTTNG_UST_SESSION _UST_CMD(0x40) -#define LTTNG_UST_TRACER_VERSION \ - _UST_CMDR(0x41, struct lttng_ust_tracer_version) -#define LTTNG_UST_TRACEPOINT_LIST _UST_CMD(0x42) -#define LTTNG_UST_WAIT_QUIESCENT _UST_CMD(0x43) -#define LTTNG_UST_REGISTER_DONE _UST_CMD(0x44) - -/* Session FD commands */ -#define LTTNG_UST_METADATA \ - _UST_CMDW(0x50, struct lttng_ust_channel) -#define LTTNG_UST_CHANNEL \ - _UST_CMDW(0x51, struct lttng_ust_channel) -#define LTTNG_UST_SESSION_START _UST_CMD(0x52) -#define LTTNG_UST_SESSION_STOP _UST_CMD(0x53) - -/* Channel FD commands */ -#define LTTNG_UST_STREAM _UST_CMD(0x60) -#define LTTNG_UST_EVENT \ - _UST_CMDW(0x61, struct lttng_ust_event) - -/* Event and Channel FD commands */ -#define LTTNG_UST_CONTEXT \ - _UST_CMDW(0x70, struct lttng_ust_context) -#define LTTNG_UST_FLUSH_BUFFER \ - _UST_CMD(0x71) - -/* Event, Channel and Session commands */ -#define LTTNG_UST_ENABLE _UST_CMD(0x80) -#define LTTNG_UST_DISABLE _UST_CMD(0x81) +#define LTTNG_UST_ABI_SESSION LTTNG_UST_ABI_CMD(0x40) +#define LTTNG_UST_ABI_TRACER_VERSION \ + LTTNG_UST_ABI_CMDR(0x41, struct lttng_ust_abi_tracer_version) +#define LTTNG_UST_ABI_TRACEPOINT_LIST LTTNG_UST_ABI_CMD(0x42) +#define LTTNG_UST_ABI_WAIT_QUIESCENT LTTNG_UST_ABI_CMD(0x43) +#define LTTNG_UST_ABI_REGISTER_DONE LTTNG_UST_ABI_CMD(0x44) +#define LTTNG_UST_ABI_TRACEPOINT_FIELD_LIST LTTNG_UST_ABI_CMD(0x45) +#define LTTNG_UST_ABI_EVENT_NOTIFIER_GROUP_CREATE \ + LTTNG_UST_ABI_CMD(0x46) + +/* Session commands */ +#define LTTNG_UST_ABI_CHANNEL \ + LTTNG_UST_ABI_CMDW(0x51, struct lttng_ust_abi_channel) +#define LTTNG_UST_ABI_SESSION_START LTTNG_UST_ABI_CMD(0x52) +#define LTTNG_UST_ABI_SESSION_STOP LTTNG_UST_ABI_CMD(0x53) +#define LTTNG_UST_ABI_SESSION_STATEDUMP LTTNG_UST_ABI_CMD(0x54) + +/* Channel commands */ +#define LTTNG_UST_ABI_STREAM LTTNG_UST_ABI_CMD(0x60) +#define LTTNG_UST_ABI_EVENT \ + LTTNG_UST_ABI_CMDW(0x61, struct lttng_ust_abi_event) + +/* Event and channel commands */ +#define LTTNG_UST_ABI_CONTEXT \ + LTTNG_UST_ABI_CMDW(0x70, struct lttng_ust_abi_context) +#define LTTNG_UST_ABI_FLUSH_BUFFER \ + LTTNG_UST_ABI_CMD(0x71) + +/* Event, event notifier, channel and session commands */ +#define LTTNG_UST_ABI_ENABLE LTTNG_UST_ABI_CMD(0x80) +#define LTTNG_UST_ABI_DISABLE LTTNG_UST_ABI_CMD(0x81) /* Tracepoint list commands */ -#define LTTNG_UST_TRACEPOINT_LIST_GET _UST_CMD(0x90) +#define LTTNG_UST_ABI_TRACEPOINT_LIST_GET LTTNG_UST_ABI_CMD(0x90) +#define LTTNG_UST_ABI_TRACEPOINT_FIELD_LIST_GET LTTNG_UST_ABI_CMD(0x91) -#define LTTNG_UST_ROOT_HANDLE 0 +/* Event and event notifier commands */ +#define LTTNG_UST_ABI_FILTER LTTNG_UST_ABI_CMD(0xA0) +#define LTTNG_UST_ABI_EXCLUSION LTTNG_UST_ABI_CMD(0xA1) -struct lttng_ust_obj; +/* Event notifier group commands */ +#define LTTNG_UST_ABI_EVENT_NOTIFIER_CREATE \ + LTTNG_UST_ABI_CMDW(0xB0, struct lttng_ust_abi_event_notifier) -struct lttng_ust_objd_ops { - long (*cmd)(int objd, unsigned int cmd, unsigned long arg); - int (*release)(int objd); -}; +/* Event notifier commands */ +#define LTTNG_UST_ABI_CAPTURE LTTNG_UST_ABI_CMD(0xB6) -/* Create root handle. Always ID 0. */ -int lttng_abi_create_root_handle(void); +/* Session and event notifier group commands */ +#define LTTNG_UST_ABI_COUNTER \ + LTTNG_UST_ABI_CMDW(0xC0, struct lttng_ust_abi_counter) -const struct lttng_ust_objd_ops *objd_ops(int id); -int lttng_ust_objd_unref(int id); +/* Counter commands */ +#define LTTNG_UST_ABI_COUNTER_GLOBAL \ + LTTNG_UST_ABI_CMDW(0xD0, struct lttng_ust_abi_counter_global) +#define LTTNG_UST_ABI_COUNTER_CPU \ + LTTNG_UST_ABI_CMDW(0xD1, struct lttng_ust_abi_counter_cpu) -void lttng_ust_abi_exit(void); -void lttng_ust_events_exit(void); +#define LTTNG_UST_ABI_ROOT_HANDLE 0 #endif /* _LTTNG_UST_ABI_H */