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#!/usr/sbin/dtrace -Zs
/*
* sh_syscalls.d - count Bourne calls and syscalls using DTrace.
* Written for the sh DTrace provider.
*
* $Id: sh_syscalls.d 25 2007-09-12 09:51:58Z brendan $
*
* USAGE: sh_syscalls.d { -p PID | -c cmd } # hit Ctrl-C to end
*
* FIELDS:
* FILE Filename of the shell or shellscript
* TYPE Type of call (func/builtin/cmd/syscall)
* NAME Name of call
* COUNT Number of calls during sample
*
* Filename and function names are printed if available.
* The filename for syscalls may be printed as the shell name, if the
* script was invoked using the form "shell filename" rather than running
* the script with an interpreter line.
*
* COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at Docs/cddl1.txt
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* CDDL HEADER END
*
* 09-Sep-2007 Brendan Gregg Created this.
*/
#pragma D option quiet
self string filename;
dtrace:::BEGIN
{
printf("Tracing... Hit Ctrl-C to end.\n");
}
sh$target:::function-entry,
sh$target:::builtin-entry,
sh$target:::command-entry
/self->filename == NULL/
{
self->filename = basename(copyinstr(arg0));
}
sh$target:::function-entry
{
@calls[self->filename, "func", copyinstr(arg1)] = count();
}
sh$target:::builtin-entry
{
@calls[self->filename, "builtin", copyinstr(arg1)] = count();
}
sh$target:::command-entry
{
@calls[self->filename, "cmd", copyinstr(arg1)] = count();
}
syscall:::entry
/pid == $target/
{
@calls[basename(execname), "syscall", probefunc] = count();
}
dtrace:::END
{
printf("\nCalls for PID %d,\n\n", $target);
printf(" %-32s %-10s %-22s %8s\n", "FILE", "TYPE", "NAME", "COUNT");
printa(" %-32s %-10s %-22s %@8d\n", @calls);
}
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