init

Telegram/ThirdParty/dispatch/tools/voucher_trace.d

@@ -0,0 +1,78 @@
+#!/usr/sbin/dtrace -s
+
+/*
+ * Copyright (c) 2017 Apple Inc. All rights reserved.
+ *
+ * @APPLE_APACHE_LICENSE_HEADER_START@
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @APPLE_APACHE_LICENSE_HEADER_END@
+ */
+
+/*
+ * Usage: voucher_trace.d -p [pid]
+ *        traced process must have been executed with
+ *        DYLD_LIBRARY_PATH=/usr/lib/system/introspection or with
+ *        DYLD_IMAGE_SUFFIX=_profile or DYLD_IMAGE_SUFFIX=_debug
+ */
+
+#pragma D option quiet
+#pragma D option zdefs
+#pragma D option bufsize=16m
+
+BEGIN {
+	printf("Starting to trace voucher operations...\n");
+}
+
+voucher$target:libdispatch*.dylib::create
+{
+	printf("ALLOC   voucher 0x%p, thread %#llx, ref 1, port %#x, aid %#llx", arg0, tid, arg1, arg2);
+	ustack(10);
+	printf("\n")
+}
+
+voucher$target:libdispatch*.dylib::dispose
+{
+	printf("FREE    voucher 0x%p, thread %#llx, ref 0", arg0, tid);
+	ustack(10);
+	printf("\n")
+}
+
+voucher$target:libdispatch*.dylib::retain
+{
+	printf("RETAIN  voucher 0x%p, thread %#llx, ref %d", arg0, tid, arg1);
+	ustack(10);
+	printf("\n")
+}
+
+voucher$target:libdispatch*.dylib::release
+{
+	printf("RELEASE voucher 0x%p, thread %#llx, ref %d", arg0, tid, arg1);
+	ustack(10);
+	printf("\n")
+}
+
+voucher$target:libdispatch*.dylib::adopt
+{
+	printf("ADOPT   voucher 0x%p, thread %#llx", arg0, tid);
+	ustack(10);
+	printf("\n")
+}
+
+voucher$target:libdispatch*.dylib::orphan
+{
+	printf("ORPHAN  voucher 0x%p, thread %#llx", arg0, tid);
+	ustack(10);
+	printf("\n")
+}