#!/usr/sbin/dtrace -Zs
/*
* sh_calls.d - count Bourne calls (func/builtin/cmd/subsh) using DTrace.
* Written for the sh DTrace provider.
*
* $Id: sh_calls.d 52 2007-09-24 04:28:01Z brendan $
*
* This traces shell activity from all Bourne shells on the system that are
* running with sh provider support.
*
* USAGE: sh_calls.d # hit Ctrl-C to end
*
* FIELDS:
* FILE Filename of the shell or shellscript
* TYPE Type of call (func/builtin/cmd/subsh)
* NAME Name of call
* COUNT Number of calls during sample
*
* Filename and function names are printed if available.
*
* 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
dtrace:::BEGIN
{
printf("Tracing... Hit Ctrl-C to end.\n");
}
sh*:::function-entry
{
@calls[basename(copyinstr(arg0)), "func", copyinstr(arg1)] = count();
}
sh*:::builtin-entry
{
@calls[basename(copyinstr(arg0)), "builtin", copyinstr(arg1)] = count();
}
sh*:::command-entry
{
@calls[basename(copyinstr(arg0)), "cmd", copyinstr(arg1)] = count();
}
sh*:::subshell-entry
/arg1 != 0/
{
@calls[basename(copyinstr(arg0)), "subsh", "-"] = count();
}
dtrace:::END
{
printf(" %-22s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "COUNT");
printa(" %-22s %-10s %-32s %@8d\n", @calls);
}