X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt-debugfs-abi.c;h=31465d83ef6d759edb6462453fe484bd09bf0279;hb=e5fb2910ea78d0dd7be05521d13ea74b11dbe812;hp=a5f8e7ac88f47227cf6c00b308d0275140964444;hpb=7371f44c2c8ea6e60c0457671af008dd018c0b5f;p=lttng-modules.git

diff --git a/ltt-debugfs-abi.c b/ltt-debugfs-abi.c
index a5f8e7ac..31465d83 100644
--- a/ltt-debugfs-abi.c
+++ b/ltt-debugfs-abi.c
@@ -220,6 +220,20 @@ long lttng_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	case LTTNG_KERNEL_WAIT_QUIESCENT:
 		synchronize_trace();
 		return 0;
+	case LTTNG_KERNEL_CALIBRATE:
+	{
+		struct lttng_calibrate __user *ucalibrate =
+			(struct lttng_calibrate __user *) arg;
+		struct lttng_calibrate calibrate;
+		int ret;
+
+		if (copy_from_user(&calibrate, ucalibrate, sizeof(calibrate)))
+			return -EFAULT;
+		ret = lttng_calibrate(&calibrate);
+		if (copy_to_user(ucalibrate, &calibrate, sizeof(calibrate)))
+			return -EFAULT;
+		return ret;
+	}
 	default:
 		return -ENOIOCTLCMD;
 	}