1N/A#!/usr/sbin/dtrace -Zs
1N/A/*
1N/A * sh_flowtime.d - snoop Bourne shell execution with flow and delta times.
1N/A * Written for the sh DTrace provider.
1N/A *
1N/A * $Id: sh_flowtime.d 45 2007-09-17 08:54:56Z brendan $
1N/A *
1N/A * This traces shell activity from all Bourne shells on the system that are
1N/A * running with sh provider support.
1N/A *
1N/A * USAGE: sh_flowtime.d # hit Ctrl-C to end
1N/A *
1N/A * This watches shell function entries and returns, and indents child
1N/A * function calls. Shell builtins are also printed.
1N/A *
1N/A * FIELDS:
1N/A * C CPU-id
1N/A * TIME(us) Time since boot, us
1N/A * FILE Filename that this function belongs to
1N/A * NAME Shell function or builtin name
1N/A *
1N/A * LEGEND:
1N/A * -> function entry
1N/A * <- function return
1N/A * > builtin
1N/A * | external command
1N/A *
1N/A * DELTAs:
1N/A * -> previous line to the start of this function
1N/A * <- previous line to the end of this function
1N/A * > previous line to the end of this builtin
1N/A * | previous line to the end of this command
1N/A *
1N/A * See sh_flowinfo.d for more verbose and more straightforward delta times.
1N/A *
1N/A * Filename and function names are printed if available.
1N/A *
1N/A * WARNING: Watch the first column carefully, it prints the CPU-id. If it
1N/A * changes, then it is very likely that the output has been shuffled.
1N/A *
1N/A * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
1N/A *
1N/A * CDDL HEADER START
1N/A *
1N/A * The contents of this file are subject to the terms of the
1N/A * Common Development and Distribution License, Version 1.0 only
1N/A * (the "License"). You may not use this file except in compliance
1N/A * with the License.
1N/A *
1N/A * You can obtain a copy of the license at Docs/cddl1.txt
1N/A * or http://www.opensolaris.org/os/licensing.
1N/A * See the License for the specific language governing permissions
1N/A * and limitations under the License.
1N/A *
1N/A * CDDL HEADER END
1N/A *
1N/A * 09-Sep-2007 Brendan Gregg Created this.
1N/A */
1N/A
1N/A#pragma D option quiet
1N/A#pragma D option switchrate=10
1N/A
1N/Aself int depth;
1N/A
1N/Aself uint64_t last;
1N/A
1N/Adtrace:::BEGIN
1N/A{
1N/A printf("%3s %-16s %-16s %9s -- %s\n", "C", "TIME(us)", "FILE",
1N/A "DELTA(us)", "NAME");
1N/A}
1N/A
1N/Ash*:::function-entry,
1N/Ash*:::function-return,
1N/Ash*:::builtin-return,
1N/Ash*:::command-return
1N/A/self->last == 0/
1N/A{
1N/A self->last = timestamp;
1N/A}
1N/A
1N/Ash*:::function-entry
1N/A{
1N/A this->elapsed = (timestamp - self->last) / 1000;
1N/A printf("%3d %-16d %-16s %9d %*s-> %s\n", cpu, timestamp / 1000,
1N/A basename(copyinstr(arg0)), this->elapsed, self->depth * 2, "",
1N/A copyinstr(arg1));
1N/A self->depth++;
1N/A self->last = timestamp;
1N/A}
1N/A
1N/Ash*:::function-return
1N/A{
1N/A this->elapsed = (timestamp - self->last) / 1000;
1N/A self->depth -= self->depth > 0 ? 1 : 0;
1N/A printf("%3d %-16d %-16s %9d %*s<- %s\n", cpu, timestamp / 1000,
1N/A basename(copyinstr(arg0)), this->elapsed, self->depth * 2, "",
1N/A copyinstr(arg1));
1N/A self->last = timestamp;
1N/A}
1N/A
1N/Ash*:::builtin-return
1N/A{
1N/A this->elapsed = (timestamp - self->last) / 1000;
1N/A printf("%3d %-16d %-16s %9d %*s> %s\n", cpu, timestamp / 1000,
1N/A basename(copyinstr(arg0)), this->elapsed, self->depth * 2, "",
1N/A copyinstr(arg1));
1N/A self->last = timestamp;
1N/A}
1N/A
1N/Ash*:::command-return
1N/A{
1N/A this->elapsed = (timestamp - self->last) / 1000;
1N/A printf("%3d %-16d %-16s %9d %*s| %s\n", cpu, timestamp / 1000,
1N/A basename(copyinstr(arg0)), this->elapsed, self->depth * 2, "",
1N/A copyinstr(arg1));
1N/A self->last = timestamp;
1N/A}