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      1 #!/usr/sbin/dtrace -Zs
      2 /*
      3  * php_cputime.d - measure PHP on-CPU times for functions.
      4  *                 Written for the PHP DTrace provider.
      5  *
      6  * $Id: php_cputime.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $
      7  *
      8  * This traces PHP activity from all programs running on the system with
      9  * PHP provider support.
     10  *
     11  * USAGE: php_cputime.d 		# hit Ctrl-C to end
     12  *
     13  * FIELDS:
     14  *		FILE		Filename of the PHP program
     15  *		TYPE		Type of call (func/total)
     16  *		NAME		Name of call (function name)
     17  *		TOTAL		Total on-CPU time for calls (us)
     18  *
     19  * Filename and function names are printed if available.
     20  *
     21  * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
     22  *
     23  * CDDL HEADER START
     24  *
     25  *  The contents of this file are subject to the terms of the
     26  *  Common Development and Distribution License, Version 1.0 only
     27  *  (the "License").  You may not use this file except in compliance
     28  *  with the License.
     29  *
     30  *  You can obtain a copy of the license at Docs/cddl1.txt
     31  *  or http://www.opensolaris.org/os/licensing.
     32  *  See the License for the specific language governing permissions
     33  *  and limitations under the License.
     34  *
     35  * CDDL HEADER END
     36  *
     37  * 09-Sep-2007	Brendan Gregg	Created this.
     38  */
     39 
     40 #pragma D option quiet
     41 
     42 dtrace:::BEGIN
     43 {
     44 	printf("Tracing... Hit Ctrl-C to end.\n");
     45 }
     46 
     47 php*:::function-entry
     48 /arg0/
     49 {
     50 	self->depth++;
     51 	self->exclude[self->depth] = 0;
     52 	self->function[self->depth] = vtimestamp;
     53 }
     54 
     55 php*:::function-return
     56 /arg0 && self->function[self->depth]/
     57 {
     58 	this->oncpu_incl = vtimestamp - self->function[self->depth];
     59 	this->oncpu_excl = this->oncpu_incl - self->exclude[self->depth];
     60 	self->function[self->depth] = 0;
     61 	self->exclude[self->depth] = 0;
     62 	this->file = basename(copyinstr(arg1));
     63 	this->name = copyinstr(arg0);
     64 
     65 	@num[this->file, "func", this->name] = count();
     66 	@num["-", "total", "-"] = count();
     67 	@types_incl[this->file, "func", this->name] = sum(this->oncpu_incl);
     68 	@types_excl[this->file, "func", this->name] = sum(this->oncpu_excl);
     69 	@types_excl["-", "total", "-"] = sum(this->oncpu_excl);
     70 
     71 	self->depth--;
     72 	self->exclude[self->depth] += this->oncpu_incl;
     73 }
     74 
     75 dtrace:::END
     76 {
     77 	printf("\nCount,\n");
     78 	printf("   %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "COUNT");
     79 	printa("   %-20s %-10s %-32s %@8d\n", @num);
     80 
     81 	normalize(@types_excl, 1000);
     82 	printf("\nExclusive function on-CPU times (us),\n");
     83 	printf("   %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL");
     84 	printa("   %-20s %-10s %-32s %@8d\n", @types_excl);
     85 
     86 	normalize(@types_incl, 1000);
     87 	printf("\nInclusive function on-CPU times (us),\n");
     88 	printf("   %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL");
     89 	printa("   %-20s %-10s %-32s %@8d\n", @types_incl);
     90 }
     91