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#!/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")
}
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