void lttng_metadata_create_events(struct file *channel_file)
{
struct ltt_channel *channel = channel_file->private_data;
+ static struct lttng_kernel_event metadata_params = {
+ .instrumentation = LTTNG_KERNEL_TRACEPOINTS,
+ .name = "lttng_metadata",
+ };
char *event_name = "lttng_metadata";
struct ltt_event *event;
int ret;
* We tolerate no failure path after event creation. It will stay
* invariant for the rest of the session.
*/
- event = ltt_event_create(channel, event_name, LTTNG_KERNEL_TRACEPOINTS,
- NULL);
+ event = ltt_event_create(channel, event_name, &metadata_params, NULL);
if (!event) {
goto create_error;
ret = -EEXIST;
chan_file->private_data = chan;
fd_install(chan_fd, chan_file);
if (channel_type == METADATA_CHANNEL) {
- lttng_metadata_create_events(chan_file);
session->metadata = chan;
+ lttng_metadata_create_events(chan_file);
}
/* The channel created holds a reference on the session */
goto name_error;
}
event_name[PATH_MAX - 1] = '\0';
- event_param.u.kprobe.symbol_name[LTTNG_KPROBE_SYM_NAME_LEN - 1] = '\0';
-
+ switch (event_param.instrumentation) {
+ case LTTNG_KERNEL_KPROBES:
+ event_param.u.kprobe.symbol_name[LTTNG_SYM_NAME_LEN - 1] = '\0';
+ break;
+ case LTTNG_KERNEL_FUNCTION_TRACER:
+ event_param.u.ftrace.symbol_name[LTTNG_SYM_NAME_LEN - 1] = '\0';
+ break;
+ default:
+ break;
+ }
event_fd = get_unused_fd();
if (event_fd < 0) {
ret = event_fd;