X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fevent.h;h=e5b2b4bb00702deddfab167613b00ff8b356e197;hp=40673a4d8f56bc525d0417fe9472093f43349344;hb=2001793c1141e89b34e70efb28b27ec0cc8e6d47;hpb=5cdb6027a2b78fd93aa7f61174625190b5fc3459 diff --git a/include/lttng/event.h b/include/lttng/event.h index 40673a4d8..e5b2b4bb0 100644 --- a/include/lttng/event.h +++ b/include/lttng/event.h @@ -1,5 +1,6 @@ /* * Copyright (C) 2014 - David Goulet + * Copyright (C) 2016 - Jérémie Galarneau * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License, version 2.1 only, @@ -98,6 +99,19 @@ enum lttng_loglevel_log4j { LTTNG_LOGLEVEL_LOG4J_ALL = INT32_MIN, }; +/* + * Available loglevels for the Python domain. Those are an exact map from the + * Level class. + */ +enum lttng_loglevel_python { + LTTNG_LOGLEVEL_PYTHON_CRITICAL = 50, + LTTNG_LOGLEVEL_PYTHON_ERROR = 40, + LTTNG_LOGLEVEL_PYTHON_WARNING = 30, + LTTNG_LOGLEVEL_PYTHON_INFO = 20, + LTTNG_LOGLEVEL_PYTHON_DEBUG = 10, + LTTNG_LOGLEVEL_PYTHON_NOTSET = 0, +}; + /* * LTTng consumer mode */ @@ -108,21 +122,22 @@ enum lttng_event_output { /* Event context possible type */ enum lttng_event_context_type { - LTTNG_EVENT_CONTEXT_PID = 0, - LTTNG_EVENT_CONTEXT_PERF_COUNTER = 1, /* Backward compat. */ - LTTNG_EVENT_CONTEXT_PROCNAME = 2, - LTTNG_EVENT_CONTEXT_PRIO = 3, - LTTNG_EVENT_CONTEXT_NICE = 4, - LTTNG_EVENT_CONTEXT_VPID = 5, - LTTNG_EVENT_CONTEXT_TID = 6, - LTTNG_EVENT_CONTEXT_VTID = 7, - LTTNG_EVENT_CONTEXT_PPID = 8, - LTTNG_EVENT_CONTEXT_VPPID = 9, - LTTNG_EVENT_CONTEXT_PTHREAD_ID = 10, - LTTNG_EVENT_CONTEXT_HOSTNAME = 11, - LTTNG_EVENT_CONTEXT_IP = 12, - LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER = 13, + LTTNG_EVENT_CONTEXT_PID = 0, + LTTNG_EVENT_CONTEXT_PERF_COUNTER = 1, /* Backward compat. */ + LTTNG_EVENT_CONTEXT_PROCNAME = 2, + LTTNG_EVENT_CONTEXT_PRIO = 3, + LTTNG_EVENT_CONTEXT_NICE = 4, + LTTNG_EVENT_CONTEXT_VPID = 5, + LTTNG_EVENT_CONTEXT_TID = 6, + LTTNG_EVENT_CONTEXT_VTID = 7, + LTTNG_EVENT_CONTEXT_PPID = 8, + LTTNG_EVENT_CONTEXT_VPPID = 9, + LTTNG_EVENT_CONTEXT_PTHREAD_ID = 10, + LTTNG_EVENT_CONTEXT_HOSTNAME = 11, + LTTNG_EVENT_CONTEXT_IP = 12, + LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER = 13, LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER = 14, + LTTNG_EVENT_CONTEXT_APP_CONTEXT = 15, }; enum lttng_event_field_type { @@ -133,6 +148,11 @@ enum lttng_event_field_type { LTTNG_EVENT_FIELD_STRING = 4, }; +enum lttng_event_flag { + LTTNG_EVENT_FLAG_SYSCALL_32 = (1U << 0), + LTTNG_EVENT_FLAG_SYSCALL_64 = (1U << 1), +}; + /* * Perf counter attributes * @@ -160,6 +180,10 @@ struct lttng_event_context { union { struct lttng_event_perf_counter_ctx perf_counter; + struct { + char *provider_name; + char *ctx_name; + } app_ctx; char padding[LTTNG_EVENT_CONTEXT_PADDING2]; } u; }; @@ -198,7 +222,7 @@ struct lttng_event_function_attr { * * The structures should be initialized to zero before use. */ -#define LTTNG_EVENT_PADDING1 14 +#define LTTNG_EVENT_PADDING1 10 #define LTTNG_EVENT_PADDING2 LTTNG_SYMBOL_NAME_LEN + 32 struct lttng_event { enum lttng_event_type type; @@ -212,6 +236,9 @@ struct lttng_event { unsigned char filter; /* filter enabled ? */ unsigned char exclusion; /* exclusions added ? */ + /* Event flag, from 2.6 and above. */ + enum lttng_event_flag flags; + char padding[LTTNG_EVENT_PADDING1]; /* Per event type configuration */ @@ -266,6 +293,15 @@ extern int lttng_list_tracepoints(struct lttng_handle *handle, extern int lttng_list_tracepoint_fields(struct lttng_handle *handle, struct lttng_event_field **fields); +/* + * List the available kernel syscall. + * + * Return the size (number of entries) of the allocated "lttng_event" array. + * All events in will be of type syscall. Caller must free events. On error a + * negative LTTng error code is returned. + */ +extern int lttng_list_syscalls(struct lttng_event **events); + /* * Add context to event(s) for a specific channel (or for all). * @@ -343,6 +379,23 @@ extern int lttng_enable_event_with_exclusions(struct lttng_handle *handle, extern int lttng_disable_event(struct lttng_handle *handle, const char *name, const char *channel_name); +/* + * Disable event(s) of a channel and domain. + * + * Takes a struct lttng_event as parameter. + * If channel_name is NULL, the default channel is used (channel0). + * + * Currently, @filter_expression must be NULL. (disabling specific + * filter expressions not implemented) + * Currently, only LTTNG_EVENT_ALL and LTTNG_EVENT_SYSCALL event types + * are implemented for field @ev. + * + * Return 0 on success else a negative LTTng error code. + */ +int lttng_disable_event_ext(struct lttng_handle *handle, + struct lttng_event *ev, const char *channel_name, + const char *filter_expression); + #ifdef __cplusplus } #endif