Add the DTrace probe definitions for plockstat support.

This will be connected to the system later.

Sponsored by:	The FreeBSD Foundation

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/libthr/plockstat.d b/lib/libthr/plockstat.d
new file mode 100644
index 0000000..68586cf
--- /dev/null
+++ b/lib/libthr/plockstat.d
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2010 The FreeBSD Foundation 
+ * All rights reserved. 
+ * 
+ * This software was developed by Rui Paulo under sponsorship from the
+ * FreeBSD Foundation. 
+ *  
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ *
+ * $FreeBSD$
+ */
+
+provider plockstat {
+	probe mutex__acquire(void *mutex, int rec, int spincount);
+	probe mutex__release(void *mutex, int rec);
+	probe mutex__block(void *mutex);
+	probe mutex__spin(void *mutex);
+	probe mutex__spun(void *mutex, int success, int spincount);
+	probe mutex__blocked(void *mutex, int success);
+	probe mutex__error(void *mutex, int err);
+
+	probe rw__acquire(void *lock, int wr);
+	probe rw__release(void *lock, int wr);
+	probe rw__block(void *lock, int wr);
+	probe rw__blocked(void *lock, int wr, int success);
+	probe rw__error(void *lock, int wr, int err);
+};