[src/trunk]: src/external/cddl/dtracetoolkit/dist Sync with version on Brenda...

[sevan <sevan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b51707ced69d
branches:  trunk
changeset: 836191:b51707ced69d
user:      sevan <sevan%NetBSD.org@localhost>
date:      Mon Oct 01 13:28:07 2018 +0000

description:
Sync with version on Brendan's site
http://www.brendangregg.com/DTrace/iosnoop

diffstat:

 external/cddl/dtracetoolkit/dist/iosnoop |  39 +++++++++++++++++--------------
 1 files changed, 21 insertions(+), 18 deletions(-)

diffs (124 lines):

diff -r 4d44ca44d6d2 -r b51707ced69d external/cddl/dtracetoolkit/dist/iosnoop
--- a/external/cddl/dtracetoolkit/dist/iosnoop  Mon Oct 01 11:16:04 2018 +0000
+++ b/external/cddl/dtracetoolkit/dist/iosnoop  Mon Oct 01 13:28:07 2018 +0000
@@ -1,12 +1,14 @@
-#!/usr/bin/sh
+#!/bin/sh
 #
 # iosnoop - A program to print disk I/O events as they happen, with useful
-#           details such as UID, PID, filename, command, etc. 
-#           Written using DTrace (Solaris 10 3/05).
+#           details such as UID, PID, filename (if available), command, etc.
+#           Written using DTrace (Solaris 10 3/05, MacOS X 10.5).
 #
-# This is measuring disk events that have made it past system caches.
+# This is measuring events that have made it past system caches, such as
+# disk events for local file systems, and network events for remote
+# filesystems (such as NFS.)
 #
-# $Id: iosnoop,v 1.1.1.1 2015/09/30 22:01:06 christos Exp $
+# $Id: iosnoop,v 1.2 2018/10/01 13:28:07 sevan Exp $
 #
 # USAGE:       iosnoop [-a|-A|-DeghiNostv] [-d device] [-f filename] 
 #                      [-m mount_point] [-n name] [-p PID]
@@ -67,7 +69,7 @@
 #          Solaris Dynamic Tracing Guide, http://docs.sun.com
 #          DTrace Tools, http://www.brendangregg.com/dtrace.html
 #
-# COPYRIGHT: Copyright (c) 2005 Brendan Gregg.
+# COPYRIGHT: Copyright (c) 2009 Brendan Gregg.
 #
 # CDDL HEADER START
 #
@@ -83,8 +85,6 @@
 #
 # CDDL HEADER END
 #
-# Author: Brendan Gregg  [Sydney, Australia]
-#
 # 12-Mar-2004  Brendan Gregg   Created this, build 51.
 # 23-May-2004     "      "     Fixed mntpt bug.
 # 10-Oct-2004     "      "     Rewritten to use the io provider, build 63.
@@ -93,7 +93,7 @@
 # 15-Jul-2005     "      "     Improved DTIME calculation.
 # 25-Jul-2005     "      "     Added -p, -n. Improved code.
 # 17-Sep-2005     "      "     Increased switchrate.
-# 17-Sep-2005     "      "     Last update.
+# 15-Sep-2009     "      "     Removed genunix for both MacOS X and NFS.
 #
 
 
@@ -199,6 +199,9 @@
  #pragma D option quiet
  #pragma D option switchrate=10hz
 
+ /* boost the following if you get "dynamic variable drops" */
+ #pragma D option dynvarsize=16m
+
  /*
   * Print header
   */
@@ -207,14 +210,14 @@
        last_event[""] = 0;
 
        /* print optional headers */
-       OPT_start   ? printf("%-14s ","STIME")   : 1;
-       OPT_end     ? printf("%-14s ","TIME")    : 1;
+       OPT_start   ? printf("%-14s ","STIME(us)")   : 1;
+       OPT_end     ? printf("%-14s ","TIME(us)")    : 1;
        OPT_endstr  ? printf("%-20s ","STRTIME") : 1;
        OPT_devname ? printf("%-7s ","DEVICE")   : 1;
        OPT_ins     ? printf("%-3s ","INS")      : 1;
        OPT_nums    ? printf("%-3s %-3s ","MAJ","MIN") : 1;
-       OPT_delta   ? printf("%-10s ","DELTA")   : 1;
-       OPT_dtime   ? printf("%-10s ","DTIME")   : 1;
+       OPT_delta   ? printf("%-10s ","DELTA(us)")   : 1;
+       OPT_dtime   ? printf("%-10s ","DTIME(us)")   : 1;
 
        /* print main headers */
        OPT_dump ? 
@@ -230,7 +233,7 @@
  /*
   * Check event is being traced
   */
- io:genunix::start
+ io:::start
  { 
        /* default is to trace unless filtering, */
        self->ok = FILTER ? 0 : 1;
@@ -247,7 +250,7 @@
   * Reset last_event for disk idle -> start
   * this prevents idle time being counted as disk time.
   */
- io:genunix::start
+ io:::start
  /! pending[args[1]->dev_statname]/
  {
        /* save last disk event */
@@ -257,7 +260,7 @@
  /*
   * Store entry details
   */
- io:genunix::start
+ io:::start
  /self->ok/
  {
        /* these are used as a unique disk event key, */
@@ -281,7 +284,7 @@
  /*
   * Process and Print completion
   */
- io:genunix::done
+ io:::done
  /start_time[args[0]->b_edev, args[0]->b_blkno]/
  {
        /* decrease disk event pending count */
@@ -359,7 +362,7 @@
   * Prevent pending from underflowing
   * this can happen if this program is started during disk events.
   */
- io:genunix::done
+ io:::done
  /pending[args[1]->dev_statname] < 0/
  {
        pending[args[1]->dev_statname] = 0;