afb81b8278
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77 lines
2.4 KiB
D
Executable File
77 lines
2.4 KiB
D
Executable File
#!/usr/sbin/dtrace -s
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/*
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* Copyright (c) 2010-2013 Apple Inc. All rights reserved.
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*
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* @APPLE_APACHE_LICENSE_HEADER_START@
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @APPLE_APACHE_LICENSE_HEADER_END@
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*/
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/*
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* Usage: dispatch_trace.d -p [pid]
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* traced process must have been executed with
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* DYLD_LIBRARY_PATH=/usr/lib/system/introspection or with
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* DYLD_IMAGE_SUFFIX=_profile or DYLD_IMAGE_SUFFIX=_debug
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*/
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#pragma D option quiet
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#pragma D option zdefs
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#pragma D option bufsize=16m
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BEGIN {
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printf("%-8s %-3s %-8s %-35s%-15s%-?s %-43s%-?s %-14s%-?s %s\n",
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"Time us", "CPU", "Thread", "Function", "Probe", "Queue", "Label",
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"Item", "Kind", "Context", "Symbol");
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}
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dispatch$target:libdispatch*.dylib::queue-push,
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dispatch$target:libdispatch*.dylib::queue-pop,
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dispatch$target:libdispatch*.dylib::callout-entry,
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dispatch$target:libdispatch*.dylib::callout-return /!start/ {
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start = walltimestamp;
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}
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/*
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* Trace queue push and pop operations:
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*
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* probe queue-push/-pop(dispatch_queue_t queue, const char *label,
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* dispatch_object_t item, const char *kind,
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* dispatch_function_t function, void *context)
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*/
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dispatch$target:libdispatch*.dylib::queue-push,
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dispatch$target:libdispatch*.dylib::queue-pop {
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printf("%-8d %-3d 0x%08p %-35s%-15s0x%0?p %-43s0x%0?p %-14s0x%0?p",
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(walltimestamp-start)/1000, cpu, tid, probefunc, probename, arg0,
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copyinstr(arg1, 42), arg2, copyinstr(arg3, 13), arg5);
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usym(arg4);
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printf("\n");
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}
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/*
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* Trace callouts to client functions:
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*
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* probe callout-entry/-return(dispatch_queue_t queue, const char *label,
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* dispatch_function_t function, void *context)
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*/
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dispatch$target:libdispatch*.dylib::callout-entry,
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dispatch$target:libdispatch*.dylib::callout-return {
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printf("%-8d %-3d 0x%08p %-35s%-15s0x%0?p %-43s%-?s %-14s0x%0?p",
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(walltimestamp-start)/1000, cpu, tid, probefunc, probename, arg0,
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copyinstr(arg1, 42), "", "", arg3);
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usym(arg2);
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printf("\n");
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}
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