X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=ltt-debugfs-abi.h;h=85e689c88705928579383d4ad9ff1fd4b5f91ac3;hb=e70a4758e5d5b11aca964eb36d1d2258c97105af;hp=ecbd5413825f6fe8d877293ace6320b81d1fd56c;hpb=d6d808f3780d0b519aaf966e66df501730db7d13;p=lttng-modules.git

diff --git a/ltt-debugfs-abi.h b/ltt-debugfs-abi.h
index ecbd5413..85e689c8 100644
--- a/ltt-debugfs-abi.h
+++ b/ltt-debugfs-abi.h
@@ -11,11 +11,12 @@
 
 #include <linux/fs.h>
 
-#define LTTNG_KPROBE_SYM_NAME_LEN	128
+#define LTTNG_SYM_NAME_LEN	128
 
 enum lttng_kernel_instrumentation {
 	LTTNG_KERNEL_TRACEPOINTS,
 	LTTNG_KERNEL_KPROBES,
+	LTTNG_KERNEL_FUNCTION_TRACER,
 };
 
 /*
@@ -23,11 +24,11 @@ enum lttng_kernel_instrumentation {
  */
 
 struct lttng_kernel_channel {
-	int overwrite;			/* 1: overwrite, 0: discard */
-	uint64_t subbuf_size;
+	int overwrite;				/* 1: overwrite, 0: discard */
+	uint64_t subbuf_size;			/* in bytes */
 	uint64_t num_subbuf;
-	unsigned int switch_timer_interval;
-	unsigned int read_timer_interval;
+	unsigned int switch_timer_interval;	/* usecs */
+	unsigned int read_timer_interval;	/* usecs */
 };
 
 /*
@@ -37,7 +38,11 @@ struct lttng_kernel_kprobe {
 	uint64_t addr;
 
 	uint64_t offset;
-	char symbol_name[LTTNG_KPROBE_SYM_NAME_LEN];
+	char symbol_name[LTTNG_SYM_NAME_LEN];
+};
+
+struct lttng_kernel_function_tracer {
+	char symbol_name[LTTNG_SYM_NAME_LEN];
 };
 
 struct lttng_kernel_event {
@@ -45,8 +50,9 @@ struct lttng_kernel_event {
 	/* Per instrumentation type configuration */
 	union {
 		struct lttng_kernel_kprobe kprobe;
+		struct lttng_kernel_function_tracer ftrace;
 	} u;
-	char name[];
+	char name[];	/* event name */
 };
 
 struct lttng_kernel_tracer_version {