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#!/usr/sbin/dtrace -Zs
/*
* sh_syscolors.d - trace Bourne shell flow plus syscalls, in color.
* Written for the sh DTrace provider.
*
* $Id: sh_syscolors.d 27 2007-09-13 09:26:01Z brendan $
*
* USAGE: sh_syscolors.d { -p PID | -c cmd } # hit Ctrl-C to end
*
* This watches shell function entries and returns, and indents child
* function calls. Shell builtins, commands and lines are also printed.
*
* FIELDS:
* C CPU-id
* PID Process ID
* DELTA(us) Elapsed time from previous line to this line
* FILE Filename of the shell script
* LINE Line number of filename
* TYPE Type of call (func/builtin/cmd/line/shell)
* NAME Shell function, builtin or command name
*
* The filename for syscalls may be printed as the shell name, if the
* script was invoked using the form "shell filename" rather than running
* the script with an interpreter line.
*
* WARNING: Watch the first column carefully, it prints the CPU-id. If it
* changes, then it is very likely that the output has been shuffled.
*
* 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
#pragma D option switchrate=10
self int depth;
dtrace:::BEGIN
{
color_shell = "\033[2;35m"; /* violet, faint */
color_line = "\033[1;35m"; /* violet, bold */
color_syscall = "\033[2;32m"; /* green, faint */
color_off = "\033[0m"; /* default */
printf("%s %6s %10s %16s:%-4s %-8s -- %s\n", "C", "PID", "DELTA(us)",
"FILE", "LINE", "TYPE", "NAME");
}
sh$target:::function-entry,
sh$target:::function-return,
sh$target:::builtin-entry,
sh$target:::command-entry,
sh$target:::line,
syscall:::entry,
syscall:::return
/self->last == 0 && pid == $target/
{
self->last = timestamp;
}
sh$target:::function-entry
{
this->delta = (timestamp - self->last) / 1000;
printf("%s%d %6d %10d %16s:%-4d %-8s %*s-> %s%s\n", color_shell,
cpu, pid, this->delta, basename(copyinstr(arg0)), arg2, "func",
self->depth * 2, "", copyinstr(arg1), color_off);
self->depth++;
self->last = timestamp;
}
sh$target:::function-return
{
this->delta = (timestamp - self->last) / 1000;
self->depth -= self->depth > 0 ? 1 : 0;
printf("%s%d %6d %10d %16s:- %-8s %*s<- %s%s\n", color_shell,
cpu, pid, this->delta, basename(copyinstr(arg0)), "func",
self->depth * 2, "", copyinstr(arg1), color_off);
self->last = timestamp;
}
sh$target:::builtin-entry
{
this->delta = (timestamp - self->last) / 1000;
printf("%s%d %6d %10d %16s:%-4d %-8s %*s-> %s%s\n", color_shell,
cpu, pid, this->delta, basename(copyinstr(arg0)), arg2, "builtin",
self->depth * 2, "", copyinstr(arg1), color_off);
self->depth++;
self->last = timestamp;
}
sh$target:::builtin-return
{
this->delta = (timestamp - self->last) / 1000;
self->depth -= self->depth > 0 ? 1 : 0;
printf("%s%d %6d %10d %16s:%-4d %-8s %*s<- %s%s\n", color_shell,
cpu, pid, this->delta, basename(copyinstr(arg0)), arg2, "builtin",
self->depth * 2, "", copyinstr(arg1), color_off);
self->last = timestamp;
}
sh$target:::command-entry
{
this->delta = (timestamp - self->last) / 1000;
printf("%s%d %6d %10d %16s:%-4d %-8s %*s-> %s%s\n", color_shell,
cpu, pid, this->delta, basename(copyinstr(arg0)), arg2, "cmd",
self->depth * 2, "", copyinstr(arg1), color_off);
self->depth++;
self->last = timestamp;
}
sh$target:::command-return
{
this->delta = (timestamp - self->last) / 1000;
self->depth -= self->depth > 0 ? 1 : 0;
printf("%s%d %6d %10d %16s:%-4d %-8s %*s<- %s%s\n", color_shell,
cpu, pid, this->delta, basename(copyinstr(arg0)), arg2, "cmd",
self->depth * 2, "", copyinstr(arg1), color_off);
self->last = timestamp;
}
sh$target:::line
{
this->delta = (timestamp - self->last) / 1000;
printf("%s%d %6d %10d %16s:%-4d %-8s %*s-- %s\n", color_line,
cpu, pid, this->delta, basename(copyinstr(arg0)), arg1, "line",
self->depth * 2, "", color_off);
self->last = timestamp;
}
syscall:::entry
/pid == $target/
{
this->delta = (timestamp - self->last) / 1000;
printf("%s%d %6d %10d %16s:- %-8s %*s-> %s%s\n", color_syscall,
cpu, pid, this->delta, basename(execname), "syscall",
self->depth * 2, "", probefunc, color_off);
self->last = timestamp;
}
syscall:::return
/pid == $target/
{
this->delta = (timestamp - self->last) / 1000;
printf("%s%d %6d %10d %16s:- %-8s %*s<- %s%s\n", color_syscall,
cpu, pid, this->delta, basename(execname), "syscall",
self->depth * 2, "", probefunc, color_off);
self->last = timestamp;
}
proc:::exit
/pid == $target/
{
exit(0);
}
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