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computer certification » software » system utilities » monitoring » debugview v4.21

DebugView v4.21



Copyright © 1998-2002 Mark Russinovich

Last Updated December 29, 2002 v4.21

DebugView is an application that lets you monitor debug output on your local system, or any computer on the network that you can reach via TCP/IP. It is capable of displaying both kernel-mode and Win32 debug output, so you don’t need a debugger to catch the debug output your applications or device drivers generate, nor do you need to modify your applications or drivers to use non-standard debug output APIs.

DebugView works on Windows 95, 98, Me, NT 4, 2000, XP and .NET Server.
DebugView Capture
Under Windows 95, 98, and Me DebugView will capture output from the following sources:
Win32 OutputDebugString
Win16 OutputDebugString
Kernel-mode Out_Debug_String
Kernel-mode _Debug_Printf_Service
Under Windows NT, 2000, XP and .NET Server DebugView will capture:
Win32 OutputDebugString
Kernel-mode DbgPrint
All kernel-mode variants of DbgPrint implemented in Windows XP and .NET Server
DebugView also extracts kernel-mode debug output generated before a crash from Window NT/2000/XP crash dump files if DebugView was capturing at the time of the crash.

DebugView Capabilites
DebugView has a powerful array of features for controlling and managing debug output.

Features new to version 4.2:

Kernel-hook bug fixed: DebugView sometimes mistakenly report that it couldnt hook kernel-mode debug output on Windows XP and .NET Server.
Client global-capture option: A new option allows the client to capture console Win32 debug output on Terminal Server systems when run from a non-console session.
Filtering improved: Filters can be much longer and now apply to Win32 process IDs when process IDs are included in the output.
Crash-dump support improved: Several bugs related to extracting kernel-mode output from crash dumps are fixed and DebugView now loads resulting log files.
More highlight filters: DebugView now has 10 highlight filters, up from 5.
Insert comments: A new menu item lets you insert comments into output.
New switches: New command-line switches allow you to specify history depth and load log files.
Better balloon tips: If an output line is wider than the screen its mouse hover balloon tip word wraps.
Features new to version 4.1:

Save and load filters: You can save and load filters, including the highlighting colors.
Load saved logs: You can now load a log file back into the DebugView output window.
Capture boot-time kernel-mode debug output: Under Windows NT/2K, you can use DebugView to capture debug output generated by drivers from the earliest point in the boot process.
Here is a list highlighting some of DebugViews other features:

Remote monitoring: Capture kernel-mode and/or Win32 debug output from any computer accessible via TCP/IP - even across the Internet. You can monitor multiple remote computers simultaneously. DebugView will even install its client software itself if you are running it on a Windows NT/2K system and are capturing from another Windows NT/2K system in the same Network Neighborhood.
Most-recent-filter lists: DebugView remembers your most recent filter selections, with an interface that makes it easy to reselect them.
Process ID option: Toggle the display of process IDs for Win32 debug output.
Clipboard copy: Select multiple lines in the output window and copy their contents to the clipboard.
Log-to-file: Write debug output to a file as its being captured.
Printing: Print all or part of captured debug output to a printer.
One-file payload: DebugView is implemented as one file.
Crash-Dump Support: DebugView can recover its buffers from a crash dump and save the output to a log file so that users can send you the output your NT driver generated right up to the time of a crash.
The on-line help-file describes all these features, and more, in detail.

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