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67 lines
1.8 KiB
D
Executable File
67 lines
1.8 KiB
D
Executable File
#!/usr/sbin/dtrace -Zs
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/*
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* rb_syscalls.d - count Ruby calls and syscalls using DTrace.
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* Written for the Ruby DTrace provider.
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*
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* $Id: rb_syscalls.d 20 2007-09-12 09:28:22Z brendan $
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*
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* USAGE: rb_syscalls.d { -p PID | -c cmd } # hit Ctrl-C to end
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*
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* FIELDS:
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* FILE Filename of the Ruby program
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* TYPE Type of call (method/syscall)
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* NAME Name of call
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* COUNT Number of calls during sample
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*
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* Filename and method names are printed if available.
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* The filename for syscalls may be printed as "ruby", if the program
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* was invoked using the form "ruby filename" rather than running the
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* program with an interpreter line.
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*
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* COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
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*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at Docs/cddl1.txt
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* CDDL HEADER END
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*
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* 09-Sep-2007 Brendan Gregg Created this.
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*/
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#pragma D option quiet
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self string filename;
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dtrace:::BEGIN
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{
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printf("Tracing... Hit Ctrl-C to end.\n");
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}
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ruby$target:::function-entry
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{
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this->name = strjoin(strjoin(copyinstr(arg0), "::"), copyinstr(arg1));
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@calls[basename(copyinstr(arg2)), "method", this->name] = count();
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}
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syscall:::entry
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/pid == $target/
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{
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@calls[basename(execname), "syscall", probefunc] = count();
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}
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dtrace:::END
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{
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printf("\nCalls for PID %d,\n\n", $target);
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printf(" %-32s %-10s %-22s %8s\n", "FILE", "TYPE", "NAME", "COUNT");
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printa(" %-32s %-10s %-22s %@8d\n", @calls);
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}
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