X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=include%2Flttng%2Fevent-internal.h;h=db65735350825261915219cdacaed56a17cf79a6;hb=fe5e9e652b42a7fc4a9aecd0c392370b3c9722d6;hp=b3df4c9c2b9c3deea142bf9a2cb5388ef72b5b76;hpb=2eeda82308a76b8b026bff6229840b072d183bb2;p=lttng-tools.git diff --git a/include/lttng/event-internal.h b/include/lttng/event-internal.h index b3df4c9c2..db6573535 100644 --- a/include/lttng/event-internal.h +++ b/include/lttng/event-internal.h @@ -14,8 +14,68 @@ #include #include +#include +struct lttng_event_exclusion; struct lttng_userspace_probe_location; +struct lttng_dynamic_buffer; +struct lttng_buffer_view; + +struct lttng_event_comm { + int8_t event_type; + int8_t loglevel_type; + int32_t loglevel; + int8_t enabled; + int32_t pid; + uint32_t flags; + + /* Payload. */ + /* Includes terminator `\0`. */ + uint32_t name_len; + uint32_t exclusion_count; + /* Includes terminator `\0`. */ + uint32_t filter_expression_len; + uint32_t bytecode_len; + + /* Type specific payload. */ + uint32_t userspace_probe_location_len; + uint32_t lttng_event_probe_attr_len; + uint32_t lttng_event_function_attr_len; + + /* + * Contain: + * - name [name_len], + * - exclusions if any + * - char filter_expression[filter_expression_len], + * - unsigned char filter_bytecode[bytecode_len], + * - userspace probe location [userspace_probe_location_len], + * - probe or ftrace based on event type. + */ + + char payload[]; +} LTTNG_PACKED; + +struct lttng_event_exclusion_comm { + /* Includes terminator `\0`. */ + uint32_t len; + char payload []; +} LTTNG_PACKED; + +struct lttng_event_probe_attr_comm { + uint64_t addr; + uint64_t offset; + /* Includes terminator `\0`. */ + uint32_t symbol_name_len; + + char payload[]; +} LTTNG_PACKED; + +struct lttng_event_function_attr_comm { + /* Includes terminator `\0`. */ + uint32_t symbol_name_len; + + char payload[]; +} LTTNG_PACKED; struct lttng_event_extended { /* @@ -36,4 +96,23 @@ struct lttng_event_extended { LTTNG_HIDDEN struct lttng_event *lttng_event_copy(const struct lttng_event *event); +ssize_t lttng_event_create_from_payload(struct lttng_payload_view *view, + struct lttng_event **out_event, + struct lttng_event_exclusion **out_exclusion, + char **out_filter_expression, + struct lttng_bytecode **out_bytecode); + +int lttng_event_serialize(const struct lttng_event *event, + unsigned int exclusion_count, + char **exclusion_list, + char *filter_expression, + size_t bytecode_len, + struct lttng_bytecode *bytecode, + struct lttng_payload *payload); + +enum lttng_error_code lttng_events_create_and_flatten_from_payload( + struct lttng_payload_view *view, + unsigned int count, + struct lttng_event **events); + #endif /* LTTNG_EVENT_INTERNAL_H */