X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Flttng-calibrate.c;fp=src%2Flttng-calibrate.c;h=38863194672aafbc6c88d2b1f6d67758fe5e54bb;hb=cfa6cc1d0f01c2cfcc1a679abf3a6572d411c309;hp=0000000000000000000000000000000000000000;hpb=cd4486798c2b046ea93b89439cd705e93c40b349;p=lttng-modules.git

diff --git a/src/lttng-calibrate.c b/src/lttng-calibrate.c
new file mode 100644
index 00000000..38863194
--- /dev/null
+++ b/src/lttng-calibrate.c
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
+ *
+ * lttng-calibrate.c
+ *
+ * LTTng probe calibration.
+ *
+ * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ */
+
+#include <lttng/abi.h>
+#include <lttng/events.h>
+
+noinline
+void lttng_calibrate_kretprobe(void)
+{
+	asm volatile ("");
+}
+
+int lttng_calibrate(struct lttng_kernel_calibrate *calibrate)
+{
+	switch (calibrate->type) {
+	case LTTNG_KERNEL_CALIBRATE_KRETPROBE:
+		lttng_calibrate_kretprobe();
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}