X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=ltt-sessiond%2Fkernel-ctl.h;h=7a908edf50b07265728435e8b25ec693264938d5;hp=00388c7ddefaa76e5a98e834669c9a3a92767e7b;hb=b082db07f0c522527fc95fc97f3e99eb0579c0cc;hpb=1b6083d908666ac98359cd8fc1b32158196db18d diff --git a/ltt-sessiond/kernel-ctl.h b/ltt-sessiond/kernel-ctl.h index 00388c7dd..7a908edf5 100644 --- a/ltt-sessiond/kernel-ctl.h +++ b/ltt-sessiond/kernel-ctl.h @@ -22,13 +22,34 @@ #include "session.h" #include "trace.h" +/* + * Default size for the event list when kernel_list_events is called. This size + * value is based on the initial LTTng 2.0 version set of tracepoints. This is + * NOT an upper bound because if the real event list size is bigger, dynamic + * reallocation is performed. + */ +#define KERNEL_EVENT_LIST_SIZE 2000 + +int kernel_add_channel_context(struct ltt_kernel_channel *chan, + struct lttng_kernel_context *ctx); +int kernel_add_event_context(struct ltt_kernel_event *event, + struct lttng_kernel_context *ctx); int kernel_create_session(struct ltt_session *session, int tracer_fd); -int kernel_create_channel(struct ltt_kernel_session *session); -int kernel_enable_event(struct ltt_kernel_session *session, char *name); +int kernel_create_channel(struct ltt_kernel_session *session, + struct lttng_channel *chan, char *path); +int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel); +int kernel_disable_channel(struct ltt_kernel_channel *chan); +int kernel_disable_event(struct ltt_kernel_event *event); +int kernel_enable_event(struct ltt_kernel_event *event); +int kernel_enable_channel(struct ltt_kernel_channel *chan); int kernel_open_metadata(struct ltt_kernel_session *session); -int kernel_create_metadata_stream(struct ltt_kernel_session *session); -int kernel_create_channel_stream(struct ltt_kernel_channel *channel); +int kernel_open_metadata_stream(struct ltt_kernel_session *session); +int kernel_open_channel_stream(struct ltt_kernel_channel *channel); +int kernel_flush_buffer(struct ltt_kernel_channel *channel); +int kernel_metadata_flush_buffer(int fd); int kernel_start_session(struct ltt_kernel_session *session); int kernel_stop_session(struct ltt_kernel_session *session); +ssize_t kernel_list_events(int tracer_fd, char **event_list); +void kernel_wait_quiescent(int fd); #endif /* _LTT_KERNEL_CTL_H */