Add function tracer ABI

[lttng-modules.git] / ltt-debugfs-abi.h

diff --git a/ltt-debugfs-abi.h b/ltt-debugfs-abi.h
index 85e689c88705928579383d4ad9ff1fd4b5f91ac3..12592c8f417188adb5d2428b166bd93be802c4ac 100644 (file)
--- a/ltt-debugfs-abi.h
+++ b/ltt-debugfs-abi.h
@@ -31,6 +31,9 @@ struct lttng_kernel_channel {
        unsigned int read_timer_interval;       /* usecs */
 };
 
+struct lttng_kernel_tracepoint {
+};
+
 /*
  * Either addr is used, or symbol_name and offset.
  */
@@ -46,13 +49,14 @@ struct lttng_kernel_function_tracer {
 };
 
 struct lttng_kernel_event {
+       char name[LTTNG_SYM_NAME_LEN];  /* event name */
        enum lttng_kernel_instrumentation instrumentation;
        /* Per instrumentation type configuration */
        union {
+               struct lttng_kernel_tracepoint tracepoint;
                struct lttng_kernel_kprobe kprobe;
                struct lttng_kernel_function_tracer ftrace;
        } u;
-       char name[];    /* event name */
 };
 
 struct lttng_kernel_tracer_version {
@@ -75,5 +79,7 @@ struct lttng_kernel_tracer_version {
        _IOW(0xF6, 0x47, struct lttng_kernel_kprobe)
 #define LTTNG_KERNEL_TRACER_VERSION    \
        _IOR(0xF6, 0x48, struct lttng_kernel_tracer_version)
+#define LTTNG_KERNEL_FUNCTION_TRACER   \
+       _IOW(0xF6, 0x49, struct lttng_kernel_function_tracer)
 
 #endif /* _LTT_DEBUGFS_ABI_H */