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84 lines
2.0 KiB
D
Executable File
84 lines
2.0 KiB
D
Executable File
#!/usr/sbin/dtrace -Zs
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/*
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* sh_syscalls.d - count Bourne calls and syscalls using DTrace.
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* Written for the sh DTrace provider.
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*
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* $Id: sh_syscalls.d 25 2007-09-12 09:51:58Z brendan $
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*
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* USAGE: sh_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 shell or shellscript
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* TYPE Type of call (func/builtin/cmd/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 function names are printed if available.
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* The filename for syscalls may be printed as the shell name, if the
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* script was invoked using the form "shell filename" rather than running
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* the script 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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sh$target:::function-entry,
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sh$target:::builtin-entry,
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sh$target:::command-entry
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/self->filename == NULL/
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{
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self->filename = basename(copyinstr(arg0));
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}
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sh$target:::function-entry
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{
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@calls[self->filename, "func", copyinstr(arg1)] = count();
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}
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sh$target:::builtin-entry
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{
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@calls[self->filename, "builtin", copyinstr(arg1)] = count();
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}
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sh$target:::command-entry
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{
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@calls[self->filename, "cmd", copyinstr(arg1)] = 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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