X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Ftrace-kernel.h;h=db91b2ed24cd57191e92a32376f0bc94e6b47482;hp=27baa6d3954bfecc1f03145909e73c5ee72dc480;hb=645328ae989e5f50a3a49c1ac34b2fee287a3d7b;hpb=601d5acf42ebdb05ff8aa19f12fd9bdad3602781 diff --git a/src/bin/lttng-sessiond/trace-kernel.h b/src/bin/lttng-sessiond/trace-kernel.h index 27baa6d39..db91b2ed2 100644 --- a/src/bin/lttng-sessiond/trace-kernel.h +++ b/src/bin/lttng-sessiond/trace-kernel.h @@ -42,6 +42,11 @@ struct ltt_kernel_channel_list { struct cds_list_head head; }; +struct ltt_kernel_context { + struct lttng_kernel_context ctx; + struct cds_list_head list; +}; + /* Kernel event */ struct ltt_kernel_event { int fd; @@ -56,15 +61,13 @@ struct ltt_kernel_channel { int enabled; unsigned int stream_count; unsigned int event_count; - /* - * TODO: need internal representation to support more than a - * single context. - */ - struct lttng_kernel_context *ctx; + struct cds_list_head ctx_list; struct lttng_channel *channel; struct ltt_kernel_event_list events_list; struct ltt_kernel_stream_list stream_list; struct cds_list_head list; + /* Session pointer which has a reference to this object. */ + struct ltt_kernel_session *session; }; /* Metadata */ @@ -77,8 +80,11 @@ struct ltt_kernel_metadata { struct ltt_kernel_stream { int fd; int state; + int cpu; /* Format is %s_%d respectively channel name and CPU number. */ char name[DEFAULT_STREAM_NAME_LEN]; + uint64_t tracefile_size; + uint64_t tracefile_count; struct cds_list_head list; }; @@ -89,7 +95,6 @@ struct ltt_kernel_session { int consumer_fds_sent; unsigned int channel_count; unsigned int stream_count_global; - char *trace_path; struct ltt_kernel_metadata *metadata; struct ltt_kernel_channel_list channel_list; /* UID/GID of the user owning the session */ @@ -104,9 +109,13 @@ struct ltt_kernel_session { struct consumer_output *consumer; struct consumer_output *tmp_consumer; /* Tracing session id */ - unsigned int id; - /* Session is started and active */ - unsigned int started; + uint64_t id; + /* Session is active or not meaning it has been started or stopped. */ + unsigned int active:1; + /* Tell or not if the session has to output the traces. */ + unsigned int output_traces; + unsigned int snapshot_mode; + unsigned int has_non_default_channel; }; /* @@ -120,12 +129,15 @@ struct ltt_kernel_channel *trace_kernel_get_channel_by_name( /* * Create functions malloc() the data structure. */ -struct ltt_kernel_session *trace_kernel_create_session(char *path); -struct ltt_kernel_channel *trace_kernel_create_channel(struct lttng_channel *chan, char *path); +struct ltt_kernel_session *trace_kernel_create_session(void); +struct ltt_kernel_channel *trace_kernel_create_channel( + struct lttng_channel *chan); struct ltt_kernel_event *trace_kernel_create_event(struct lttng_event *ev); struct ltt_kernel_metadata *trace_kernel_create_metadata(void); struct ltt_kernel_stream *trace_kernel_create_stream(const char *name, unsigned int count); +struct ltt_kernel_context *trace_kernel_create_context( + struct lttng_kernel_context *ctx); /* * Destroy functions free() the data structure and remove from linked list if @@ -136,5 +148,6 @@ void trace_kernel_destroy_metadata(struct ltt_kernel_metadata *metadata); void trace_kernel_destroy_channel(struct ltt_kernel_channel *channel); void trace_kernel_destroy_event(struct ltt_kernel_event *event); void trace_kernel_destroy_stream(struct ltt_kernel_stream *stream); +void trace_kernel_destroy_context(struct ltt_kernel_context *ctx); #endif /* _LTT_TRACE_KERNEL_H */