X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng-kernel.h;h=95f003f2df2391423dff548e6bc90f3ce25c41e0;hp=dd28ff178763c6aea24247517a9d3e1b7ceb166e;hb=1526bda7e00a2bf7abbe2f189b7949b3fc8e07ad;hpb=7d29a2477524f7ee2ee46a94e538e6141f5ecc0e

diff --git a/include/lttng-kernel.h b/include/lttng-kernel.h
index dd28ff178..95f003f2d 100644
--- a/include/lttng-kernel.h
+++ b/include/lttng-kernel.h
@@ -5,8 +5,8 @@
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation; only version 2
+ * of the License.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -35,6 +35,7 @@ enum lttng_kernel_instrumentation {
 	LTTNG_KERNEL_TRACEPOINT    = 0,
 	LTTNG_KERNEL_KPROBE        = 1,
 	LTTNG_KERNEL_FUNCTION      = 2,
+	LTTNG_KERNEL_KRETPROBE     = 3,
 };
 
 enum lttng_kernel_context_type {
@@ -65,6 +66,13 @@ struct lttng_kernel_context {
 	} u;
 };
 
+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.
  */
@@ -85,6 +93,7 @@ struct lttng_kernel_event {
 	enum lttng_kernel_instrumentation instrumentation;
 	/* Per instrumentation type configuration */
 	union {
+		struct lttng_kernel_kretprobe kretprobe;
 		struct lttng_kernel_kprobe kprobe;
 		struct lttng_kernel_function ftrace;
 	} u;
@@ -96,4 +105,12 @@ 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) */
+};
+
 #endif /* _LTTNG_KERNEL_H */