X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=liblttngctl%2Fliblttngctl.c;h=c27ce092825595692b91e4552b250a190dcf486f;hp=e400775eaa97a6ffcd983cf4f6cd14da695ec18b;hb=64a23ac4e22093a782b87fe615fabf20edacedd2;hpb=847177cda88eed885da0b5f0b66b03ffcd06c8f6 diff --git a/liblttngctl/liblttngctl.c b/liblttngctl/liblttngctl.c index e400775ea..c27ce0928 100644 --- a/liblttngctl/liblttngctl.c +++ b/liblttngctl/liblttngctl.c @@ -154,10 +154,99 @@ static int ask_sessiond(enum lttcomm_sessiond_command lct, void **buf) end: lttng_disconnect_sessiond(); - memset(&lsm, 0, sizeof(lsm)); return ret; } +/* + * BEGIN KERNEL CONTROL + */ + +/* + * lttng_kernel_enable_event + * + * Enable an event in the kernel tracer. + */ +int lttng_kernel_enable_event(char *event_name) +{ + strncpy(lsm.u.event.event_name, event_name, NAME_MAX); + return ask_sessiond(KERNEL_ENABLE_EVENT, NULL); +} + +/* + * lttng_kernel_disable_event + * + * Disable an event in the kernel tracer. + */ +int lttng_kernel_disable_event(char *event_name) +{ + strncpy(lsm.u.event.event_name, event_name, NAME_MAX); + return ask_sessiond(KERNEL_DISABLE_EVENT, NULL); +} + +/* + * lttng_kernel_create_session + * + * Create a session in the kernel tracer. + */ +int lttng_kernel_create_session(void) +{ + return ask_sessiond(KERNEL_CREATE_SESSION, NULL); +} + +/* + * lttng_kernel_create_channel + * + * Create a channel in the kernel tracer. + */ +int lttng_kernel_create_channel(void) +{ + return ask_sessiond(KERNEL_CREATE_CHANNEL, NULL); +} + +/* + * lttng_kernel_open_metadata + * + * Open metadata in the kernel tracer. + */ +int lttng_kernel_open_metadata(void) +{ + return ask_sessiond(KERNEL_OPEN_METADATA, NULL); +} + +/* + * lttng_kernel_create_stream + * + * Create stream in the kernel tracer. + */ +int lttng_kernel_create_stream(void) +{ + return ask_sessiond(KERNEL_CREATE_STREAM, NULL); +} + +/* + * lttng_kernel_start_tracing + * + * Start kernel tracing. + */ +int lttng_kernel_start_tracing(void) +{ + return ask_sessiond(KERNEL_START_TRACE, NULL); +} + +/* + * lttng_kernel_stop_tracing + * + * Stop kernel tracing. + */ +int lttng_kernel_stop_tracing(void) +{ + return ask_sessiond(KERNEL_STOP_TRACE, NULL); +} + +/* + * END KERNEL CONTROL + */ + /* * lttng_get_readable_code * @@ -263,10 +352,9 @@ int lttng_list_traces(uuid_t *uuid, struct lttng_trace **traces) /* * lttng_create_session * - * Create a brand new session using name. Allocate - * the session_id param pointing to the UUID. + * Create a brand new session using name. */ -int lttng_create_session(char *name, uuid_t *session_id) +int lttng_create_session(char *name) { int ret; @@ -278,8 +366,6 @@ int lttng_create_session(char *name, uuid_t *session_id) goto end; } - uuid_copy(*session_id, llm.session_uuid); - end: return ret; } @@ -502,5 +588,5 @@ end: static void __attribute__((constructor)) init() { /* Set default session group */ - lttng_set_tracing_group(DEFAULT_TRACING_GROUP); + lttng_set_tracing_group(LTTNG_DEFAULT_TRACING_GROUP); }