Add kernel metadata support to lttng and API

[lttng-tools.git] / liblttngctl / liblttngctl.c

diff --git a/liblttngctl/liblttngctl.c b/liblttngctl/liblttngctl.c
index 230a19d7e8a25805602e71c7f541451213dc9edf..d782bb07e93459d5ea9cb237de99752a2b6249a5 100644 (file)
--- a/liblttngctl/liblttngctl.c
+++ b/liblttngctl/liblttngctl.c
@@ -198,21 +198,21 @@ int lttng_kernel_create_session(void)
  *
  *  Create a channel in the kernel tracer.
  */
-int lttng_kernel_create_channel(int overwrite,
-               u64 subbuf_size, u64 num_subbuf,
-               unsigned int switch_timer_interval,
-               unsigned int read_timer_interval)
+int lttng_kernel_create_channel(void)
 {
-       /* Write setting to the session message */
-       lsm.u.create_channel.overwrite = overwrite;
-       lsm.u.create_channel.subbuf_size = subbuf_size;
-       lsm.u.create_channel.num_subbuf = num_subbuf;
-       lsm.u.create_channel.switch_timer_interval = switch_timer_interval;
-       lsm.u.create_channel.read_timer_interval = read_timer_interval;
-
        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_start_tracing
  *