sh_cputime.d revision 1
2N/A#!/usr/sbin/dtrace -Zs
2N/A/*
2N/A * sh_cputime.d - measure Bourne shell on-CPU times for types of operation.
2N/A * Written for the sh DTrace provider.
2N/A *
2N/A * $Id: sh_cputime.d 46 2007-09-17 10:25:36Z brendan $
2N/A *
2N/A * This traces shell activity from all Bourne shells on the system that are
2N/A * running with sh provider support.
2N/A *
2N/A * USAGE: sh_cputime.d # hit Ctrl-C to end
2N/A *
2N/A * FIELDS:
2N/A * FILE Filename of the shell or shellscript
2N/A * TYPE Type of call (func/builtin/cmd/total)
2N/A * NAME Name of call
2N/A * TOTAL Total on-CPU time for calls (us)
2N/A *
2N/A * Filename and call names are printed if available.
2N/A *
2N/A * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
2N/A *
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at Docs/cddl1.txt
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * CDDL HEADER END
2N/A *
2N/A * 09-Sep-2007 Brendan Gregg Created this.
2N/A */
2N/A
2N/A#pragma D option quiet
2N/A
2N/Adtrace:::BEGIN
2N/A{
2N/A printf("Tracing... Hit Ctrl-C to end.\n");
2N/A}
2N/A
2N/Ash*:::function-entry
2N/A{
2N/A self->depth++;
2N/A self->function[self->depth] = vtimestamp;
2N/A self->exclude[self->depth] = 0;
2N/A}
2N/A
2N/Ash*:::function-return
2N/A/self->function[self->depth]/
2N/A{
2N/A this->oncpu_incl = vtimestamp - self->function[self->depth];
2N/A this->oncpu_excl = this->oncpu_incl - self->exclude[self->depth];
2N/A self->function[self->depth] = 0;
2N/A self->exclude[self->depth] = 0;
2N/A this->file = basename(copyinstr(arg0));
2N/A this->name = copyinstr(arg1);
2N/A
2N/A @num[this->file, "func", this->name] = count();
2N/A @num["-", "total", "-"] = count();
2N/A @types_incl[this->file, "func", this->name] = sum(this->oncpu_incl);
2N/A @types_excl[this->file, "func", this->name] = sum(this->oncpu_excl);
2N/A @types_excl["-", "total", "-"] = sum(this->oncpu_excl);
2N/A
2N/A self->depth--;
2N/A self->exclude[self->depth] += this->oncpu_incl;
2N/A}
2N/A
2N/Ash*:::builtin-entry
2N/A{
2N/A self->builtin = vtimestamp;
2N/A}
2N/A
2N/Ash*:::builtin-return
2N/A/self->builtin/
2N/A{
2N/A this->oncpu = vtimestamp - self->builtin;
2N/A self->builtin = 0;
2N/A this->file = basename(copyinstr(arg0));
2N/A this->name = copyinstr(arg1);
2N/A
2N/A @num[this->file, "builtin", this->name] = count();
2N/A @num["-", "total", "-"] = count();
2N/A @types[this->file, "builtin", this->name] = sum(this->oncpu);
2N/A @types["-", "total", "-"] = sum(this->oncpu);
2N/A
2N/A self->exclude[self->depth] += this->oncpu;
2N/A}
2N/A
2N/Ash*:::command-entry
2N/A{
2N/A incmd[pid] = basename(copyinstr(arg0));
2N/A depth[pid] = self->depth;
2N/A}
2N/A
2N/Ash*:::command-return
2N/A{
2N/A incmd[pid] = 0;
2N/A}
2N/A
2N/Aproc:::exec-success
2N/A{
2N/A /*
2N/A * Due to thread timing after fork(), this probe can fire before
2N/A * sh*:::command-entry has, which means we can't predicate this
2N/A * exec() away just yet. Store the vtimestamp in case it is needed.
2N/A */
2N/A self->command = vtimestamp;
2N/A}
2N/A
2N/Aproc:::exit
2N/A/incmd[ppid] == NULL/
2N/A{
2N/A self->command = 0;
2N/A}
2N/A
2N/Aproc:::exit
2N/A/incmd[ppid] != NULL/
2N/A{
2N/A this->oncpu = vtimestamp - self->command;
2N/A self->command = 0;
2N/A
2N/A @num[incmd[ppid], "cmd", execname] = count();
2N/A @num["-", "total", "-"] = count();
2N/A @types[incmd[ppid], "cmd", execname] = sum(this->oncpu);
2N/A @types["-", "total", "-"] = sum(this->oncpu);
2N/A
2N/A self->exclude[depth[ppid]] += this->oncpu;
2N/A incmd[ppid] = 0;
2N/A depth[ppid] = 0;
2N/A}
2N/A
2N/Adtrace:::END
2N/A{
2N/A printf("\nCounts,\n");
2N/A printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "COUNT");
2N/A printa(" %-20s %-10s %-32s %@8d\n", @num);
2N/A
2N/A normalize(@types, 1000);
2N/A printf("\nOn-CPU times (us),\n");
2N/A printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL");
2N/A printa(" %-20s %-10s %-32s %@8d\n", @types);
2N/A
2N/A normalize(@types_excl, 1000);
2N/A printf("\nExclusive function on-CPU times (us),\n");
2N/A printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL");
2N/A printa(" %-20s %-10s %-32s %@8d\n", @types_excl);
2N/A
2N/A normalize(@types_incl, 1000);
2N/A printf("\nInclusive function on-CPU times (us),\n");
2N/A printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL");
2N/A printa(" %-20s %-10s %-32s %@8d\n", @types_incl);
2N/A}
2N/A