X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=ltt-debugfs-abi.h;h=42bc9fd26e5b9f5d8df27180c45dac5426edb97b;hb=d0255731fe93baede90f26d19aa4388403973554;hp=9524cb03f6d7a5e83b2b0ae730db279a2cb0ed80;hpb=4c183524050e636238fa81599caad3a60b2955bf;p=lttng-modules.git

diff --git a/ltt-debugfs-abi.h b/ltt-debugfs-abi.h
index 9524cb03..42bc9fd2 100644
--- a/ltt-debugfs-abi.h
+++ b/ltt-debugfs-abi.h
@@ -19,6 +19,17 @@ enum lttng_kernel_instrumentation {
 	LTTNG_KERNEL_TRACEPOINT	= 0,
 	LTTNG_KERNEL_KPROBE	= 1,
 	LTTNG_KERNEL_FUNCTION	= 2,
+	LTTNG_KERNEL_KRETPROBE	= 3,
+	LTTNG_KERNEL_NOOP	= 4,	/* not hooked */
+	LTTNG_KERNEL_SYSCALL	= 5,
+};
+
+/*
+ * LTTng consumer mode
+ */
+enum lttng_kernel_output {
+	LTTNG_KERNEL_SPLICE	= 0,
+	LTTNG_KERNEL_MMAP	= 1,
 };
 
 /*
@@ -31,6 +42,14 @@ struct lttng_kernel_channel {
 	uint64_t num_subbuf;
 	unsigned int switch_timer_interval;	/* usecs */
 	unsigned int read_timer_interval;	/* usecs */
+	enum lttng_kernel_output output;	/* splice, mmap */
+};
+
+struct lttng_kernel_kretprobe {
+	uint64_t addr;
+
+	uint64_t offset;
+	char symbol_name[LTTNG_SYM_NAME_LEN];
 };
 
 /*
@@ -47,11 +66,15 @@ struct lttng_kernel_function_tracer {
 	char symbol_name[LTTNG_SYM_NAME_LEN];
 };
 
+/*
+ * For syscall tracing, name = '\0' means "enable all".
+ */
 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_kretprobe kretprobe;
 		struct lttng_kernel_kprobe kprobe;
 		struct lttng_kernel_function_tracer ftrace;
 	} u;
@@ -63,10 +86,18 @@ struct lttng_kernel_tracer_version {
 	uint32_t sublevel;
 };
 
+enum lttng_kernel_calibrate_type {
+	LTTNG_KERNEL_CALIBRATE_KRETPROBE,
+};
+
+struct lttng_kernel_calibrate {
+	enum lttng_kernel_calibrate_type type;	/* type (input) */
+};
+
 enum lttng_kernel_context_type {
 	LTTNG_KERNEL_CONTEXT_PID		= 0,
 	LTTNG_KERNEL_CONTEXT_PERF_COUNTER	= 1,
-	LTTNG_KERNEL_CONTEXT_COMM		= 2,
+	LTTNG_KERNEL_CONTEXT_PROCNAME		= 2,
 	LTTNG_KERNEL_CONTEXT_PRIO		= 3,
 	LTTNG_KERNEL_CONTEXT_NICE		= 4,
 	LTTNG_KERNEL_CONTEXT_VPID		= 5,
@@ -95,6 +126,8 @@ struct lttng_kernel_context {
 	_IOR(0xF6, 0x41, struct lttng_kernel_tracer_version)
 #define LTTNG_KERNEL_TRACEPOINT_LIST		_IO(0xF6, 0x42)
 #define LTTNG_KERNEL_WAIT_QUIESCENT		_IO(0xF6, 0x43)
+#define LTTNG_KERNEL_CALIBRATE			\
+	_IOWR(0xF6, 0x44, struct lttng_kernel_calibrate)
 
 /* Session FD ioctl */
 #define LTTNG_KERNEL_METADATA			\