| #!/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") |
| } |