mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-12-27 13:34:00 +01:00
87 lines
2.3 KiB
D
Executable File
87 lines
2.3 KiB
D
Executable File
#!/usr/sbin/dtrace -Zs
|
|
/*
|
|
* pl_flowinfo.d - snoop Perl subroutine flow with info using DTrace.
|
|
* Written for the Perl DTrace provider.
|
|
*
|
|
* $Id: pl_flowinfo.d 41 2007-09-17 02:20:10Z brendan $
|
|
*
|
|
* This traces activity from all Perl programs on the system that are
|
|
* running with Perl provider support.
|
|
*
|
|
* USAGE: pl_flowinfo.d # hit Ctrl-C to end
|
|
*
|
|
* FIELDS:
|
|
* C CPU-id
|
|
* PID Process ID
|
|
* DELTA(us) Elapsed time from previous line to this line
|
|
* FILE Filename of the Perl program
|
|
* LINE Line number of filename
|
|
* TYPE Type of call (sub)
|
|
* SUB Perl subroutine
|
|
*
|
|
* LEGEND:
|
|
* -> subroutine entry
|
|
* <- subroutine return
|
|
*
|
|
* Filename and subroutine names are printed if available.
|
|
*
|
|
* 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
|
|
{
|
|
printf("%s %6s %10s %16s:%-4s %-8s -- %s\n", "C", "PID", "DELTA(us)",
|
|
"FILE", "LINE", "TYPE", "SUB");
|
|
}
|
|
|
|
perl*:::sub-entry,
|
|
perl*:::sub-return
|
|
/self->last == 0/
|
|
{
|
|
self->last = timestamp;
|
|
}
|
|
|
|
perl*:::sub-entry
|
|
{
|
|
this->delta = (timestamp - self->last) / 1000;
|
|
printf("%d %6d %10d %16s:%-4d %-8s %*s-> %s\n", cpu, pid, this->delta,
|
|
basename(copyinstr(arg1)), arg2, "sub", self->depth * 2, "",
|
|
copyinstr(arg0));
|
|
self->depth++;
|
|
self->last = timestamp;
|
|
}
|
|
|
|
perl*:::sub-return
|
|
{
|
|
this->delta = (timestamp - self->last) / 1000;
|
|
self->depth -= self->depth > 0 ? 1 : 0;
|
|
printf("%d %6d %10d %16s:%-4d %-8s %*s<- %s\n", cpu, pid, this->delta,
|
|
basename(copyinstr(arg1)), arg2, "sub", self->depth * 2, "",
|
|
copyinstr(arg0));
|
|
self->last = timestamp;
|
|
}
|