Add support for kvm x86 specific tracepoints

[lttng-modules.git] / lttng-calibrate.c

diff --git a/lttng-calibrate.c b/lttng-calibrate.c
index 45c01e32f73d3c028d5fb632f0cda3a0206bfbab..6f8915e92b04d49f59597d796e8bbc6d10b846f3 100644 (file)
--- a/lttng-calibrate.c
+++ b/lttng-calibrate.c
@@ -1,25 +1,39 @@
 /*
  * lttng-calibrate.c
  *
- * Copyright 2011 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
  * LTTng probe calibration.
  *
- * Dual LGPL v2.1/GPL v2 license.
+ * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; only
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "ltt-debugfs-abi.h"
-#include "ltt-events.h"
+#include "lttng-abi.h"
+#include "lttng-events.h"
 
+noinline
 void lttng_calibrate_kretprobe(void)
 {
+       asm volatile ("");
 }
 
-int lttng_calibrate(struct lttng_calibrate *calibrate)
+int lttng_calibrate(struct lttng_kernel_calibrate *calibrate)
 {
        switch (calibrate->type) {
-       case LTTNG_CALIBRATE_KRETPROBE:
-               calibrate->u.kretprobe.addr = &lttng_calibrate_kretprobe;
+       case LTTNG_KERNEL_CALIBRATE_KRETPROBE:
+               lttng_calibrate_kretprobe();
                break;
        default:
                return -EINVAL;