X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=ltt-debugfs-abi.h;h=42bc9fd26e5b9f5d8df27180c45dac5426edb97b;hb=67308615eff7463f7962ef38304d36af9dda5f2a;hp=e5ddcfa0965ded2110b8c2bfa12aa04c6c763272;hpb=96ba7208aa8009345a525148e32f78cd8d4693ab;p=lttng-modules.git

diff --git a/ltt-debugfs-abi.h b/ltt-debugfs-abi.h
index e5ddcfa0..42bc9fd2 100644
--- a/ltt-debugfs-abi.h
+++ b/ltt-debugfs-abi.h
@@ -19,6 +19,9 @@ 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,
 };
 
 /*
@@ -42,6 +45,13 @@ struct lttng_kernel_channel {
 	enum lttng_kernel_output output;	/* splice, mmap */
 };
 
+struct lttng_kernel_kretprobe {
+	uint64_t addr;
+
+	uint64_t offset;
+	char symbol_name[LTTNG_SYM_NAME_LEN];
+};
+
 /*
  * Either addr is used, or symbol_name and offset.
  */
@@ -56,11 +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;
@@ -72,10 +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,
@@ -104,6 +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			\