#!/usr/sbin/dtrace -Zs /* * rb_cpudist.d - measure Ruby on-CPU times for types of operation. * Written for the Ruby DTrace provider. * * $Id: rb_cpudist.d,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $ * * This traces Ruby activity from all programs running on the system with * Ruby provider support. * * USAGE: rb_cpudist.d # hit Ctrl-C to end * * This script prints distribution plots of elapsed time for Ruby * operations. Use rb_cputime.d for summary reports. * * FIELDS: * 1 Filename of the Ruby program * 2 Type of call (method/obj-new/gc) * 3 Name of call * * Filename and method 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"); } ruby*:::function-entry { self->depth++; self->exclude[self->depth] = 0; self->function[self->depth] = vtimestamp; } ruby*:::function-return /self->function[self->depth]/ { this->oncpu_incl = vtimestamp - self->function[self->depth]; this->oncpu_excl = this->oncpu_incl - self->exclude[self->depth]; self->function[self->depth] = 0; self->exclude[self->depth] = 0; this->file = basename(copyinstr(arg2)); this->name = strjoin(strjoin(copyinstr(arg0), "::"), copyinstr(arg1)); @types_incl[this->file, "func", this->name] = quantize(this->oncpu_incl / 1000); @types_excl[this->file, "func", this->name] = quantize(this->oncpu_excl / 1000); self->depth--; self->exclude[self->depth] += this->oncpu_incl; } ruby*:::object-create-start { self->object = vtimestamp; } ruby*:::object-create-done /self->object/ { this->oncpu = vtimestamp - self->object; self->object = 0; this->file = basename(copyinstr(arg1)); this->file = this->file != NULL ? this->file : "."; @types[this->file, "obj-new", copyinstr(arg0)] = quantize(this->oncpu / 1000); self->exclude[self->depth] += this->oncpu; } ruby*:::gc-begin { self->gc = vtimestamp; } ruby*:::gc-end /self->gc/ { this->oncpu = vtimestamp - self->gc; self->gc = 0; @types[".", "gc", "-"] = quantize(this->oncpu / 1000); self->exclude[self->depth] += this->oncpu; } dtrace:::END { printf("\nOn-CPU times (us),\n"); printa(" %s, %s, %s %@d\n", @types); printf("\nExclusive function on-CPU times (us),\n"); printa(" %s, %s, %s %@d\n", @types_excl); printf("\nInclusive function on-CPU times (us),\n"); printa(" %s, %s, %s %@d\n", @types_incl); }