Initial work for kernel tracing support

[lttng-tools.git] / include / lttng / lttng.h

diff --git a/include/lttng/lttng.h b/include/lttng/lttng.h
index 957484f0900daf1084368d2370f2174f8b4b95cb..a1ccc451ee7a85786be12113597356cc001b363c 100644 (file)
--- a/include/lttng/lttng.h
+++ b/include/lttng/lttng.h
@@ -37,8 +37,6 @@
 /* UUID short string version length (including \0) */
 #define UUID_SHORT_STR_LEN 9
 
-typedef uint64_t u64;
-
 /* Trace type for lttng_trace.
  */
 enum lttng_trace_type {
@@ -60,28 +58,7 @@ struct lttng_trace {
        enum lttng_trace_type type;
 };
 
-/* TODO: don't export these into system-installed headers. */
-/*
- * LTTng DebugFS ABI structures.
- */
-enum lttng_instrum_type {
-       INSTRUM_TRACEPOINTS,
-};
-
-struct lttng_channel {
-       int overwrite;         /* 1: overwrite, 0: discard */
-       u64 subbuf_size;
-       u64 num_subbuf;
-       unsigned int switch_timer_interval;
-       unsigned int read_timer_interval;
-};
-
-struct lttng_event {
-       enum lttng_instrum_type itype;
-       char name[];
-};
-
-extern int lttng_create_session(char *name, uuid_t *session_id);
+extern int lttng_create_session(char *name);
 extern int lttng_destroy_session(uuid_t *uuid);
 extern int lttng_connect_sessiond(void);
 extern int lttng_disconnect_sessiond(void);
@@ -96,4 +73,16 @@ extern int lttng_ust_create_trace(pid_t pid);
 extern int lttng_ust_start_trace(pid_t pid);
 extern int lttng_ust_stop_trace(pid_t pid);
 
+/*
+ * Kernel tracer control
+ */
+extern int lttng_kernel_enable_event(char *event_name);
+extern int lttng_kernel_disable_event(char *event_name);
+extern int lttng_kernel_create_session(void);
+extern int lttng_kernel_start_tracing(void);
+extern int lttng_kernel_stop_tracing(void);
+extern int lttng_kernel_create_channel(void);
+extern int lttng_kernel_create_stream(void);
+extern int lttng_kernel_open_metadata(void);
+
 #endif /* _LIBLTTNGCTL_H */