#!/usr/sbin/dtrace -Zs
/*
* php_syscalls.d - count PHP function calls and syscalls using DTrace.
* Written for the PHP DTrace provider.
*
* This traces syscalls that occured during a PHP function call.
*
* $Id: php_syscalls.d 53 2007-09-24 04:58:38Z brendan $
*
* USAGE: php_syscalls.d # hit Ctrl-C to end
*
* FIELDS:
* PID Process ID
* FILE Filename of the PHP program
* TYPE Type of call (func/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 "php", if the program
* was invoked using the form "php filename" rather than running the
* program 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
dtrace:::BEGIN
{
printf("Tracing... Hit Ctrl-C to end.\n");
}
php*:::function-entry
/arg0/
{
@calls[pid, basename(copyinstr(arg1)), "func", copyinstr(arg0)] =
count();
self->php++;
}
php*:::function-return
/arg0/
{
self->php -= self->php == 0 ? 0 : 1;
}
syscall:::entry
/self->php > 0/
{
@calls[pid, basename(execname), "syscall", probefunc] = count();
}
dtrace:::END
{
printf(" %-6s %-26s %-10s %-22s %8s\n", "PID", "FILE", "TYPE", "NAME",
"COUNT");
printa(" %-6d %-26s %-10s %-22s %@8d\n", @calls);
}