| #!/usr/sbin/dtrace -s |
| |
| /* |
| * Copyright (c) 2010-2013 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: dispatch_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("%-8s %-3s %-8s %-35s%-15s%-?s %-43s%-?s %-14s%-?s %s\n", |
| "Time us", "CPU", "Thread", "Function", "Probe", "Queue", "Label", |
| "Item", "Kind", "Context", "Symbol"); |
| } |
| |
| dispatch$target:libdispatch*.dylib::queue-push, |
| dispatch$target:libdispatch*.dylib::queue-pop, |
| dispatch$target:libdispatch*.dylib::callout-entry, |
| dispatch$target:libdispatch*.dylib::callout-return /!start/ { |
| start = walltimestamp; |
| } |
| |
| /* |
| * Trace queue push and pop operations: |
| * |
| * probe queue-push/-pop(dispatch_queue_t queue, const char *label, |
| * dispatch_object_t item, const char *kind, |
| * dispatch_function_t function, void *context) |
| */ |
| dispatch$target:libdispatch*.dylib::queue-push, |
| dispatch$target:libdispatch*.dylib::queue-pop { |
| printf("%-8d %-3d 0x%08p %-35s%-15s0x%0?p %-43s0x%0?p %-14s0x%0?p", |
| (walltimestamp-start)/1000, cpu, tid, probefunc, probename, arg0, |
| copyinstr(arg1, 42), arg2, copyinstr(arg3, 13), arg5); |
| usym(arg4); |
| printf("\n"); |
| } |
| |
| /* |
| * Trace callouts to client functions: |
| * |
| * probe callout-entry/-return(dispatch_queue_t queue, const char *label, |
| * dispatch_function_t function, void *context) |
| */ |
| dispatch$target:libdispatch*.dylib::callout-entry, |
| dispatch$target:libdispatch*.dylib::callout-return { |
| printf("%-8d %-3d 0x%08p %-35s%-15s0x%0?p %-43s%-?s %-14s0x%0?p", |
| (walltimestamp-start)/1000, cpu, tid, probefunc, probename, arg0, |
| copyinstr(arg1, 42), "", "", arg3); |
| usym(arg2); |
| printf("\n"); |
| } |