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Pacer.sys
QoS Packet Scheduler
Description
This is the QoS Packet Scheduler driver.
Pacer.sys is a 64-bit executable that requires no direct user interface.
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Key Facts from within File
These are the direct values are extracted from the file. These are defined by the original developer. Some items may be unspecified, mistyped or out of date.
File description
QoS Packet Scheduler
File Version
6.1.7600.16385 (win7_rtm.090713-1255)
Application
Microsoft Windows Operating System
App version
6.1.7600.16385
Type
64-bit
Publisher
Microsoft Corporation
Copyright
(c) Microsoft Corporation. All rights reserved.
File System and OS Information
C:\Windows\System32\drivers
The Drivers directory holds driver files, typically with a .SYS extension. Device drivers allows Windows and applications to work with various hardware devices and communication protocals such as TCP/IP.
The two security hashes for Pacer.sys were created from the original file. The security hash is created by scanning all bytes within the file. Identical files should have the same hashes. SHA1 is considered the more secure than the older MD5 hash.
MD5
EE992183BD8EAEFD9973F352E587A299
SHA1
B0774487D13AE8317DFD2EDCCA34A07DF207569B
Requires
The following
files are required when running this program. These may call other files, and there can be additional required files not in this list.
This program does not appear to be internally referenced by any other file.
The file pacer.sys is a device driver. It is included as part of the standard Windows file set from Microsoft. The driver is loaded as part of the NDIS group. Depending on the hardware and installation type it may not be active.
Internal Resource Counts
Resources are read-only content stored within the file. It is mostly used to hold graphics, strings, menus and dialog templates, although other types are occasionally used. See our section on Resources Help for more details.
Strings and Messages
12
Icons (Single)
0
Dialog Templates
0
Icons (Grouped)
0
Menus
0
Icons (Animated)
0
HTML Documents
0
Cursors (Single)
0
Accelerators
0
Cursors (Grouped)
0
Manifests
0
Cursors (Animated)
0
Fonts
0
Bitmaps
0
Text Inside File
View the text string resources. Some filtering was done to remove non-standard characters and to limit the length strings. Strings embedded in code are not shown.
1
Quality of Service Packet Scheduler. This component provides network traffic control, including rate-of-flow and prioritization services. QoS Packet Scheduler
2
Pacer Flow Pacer Flow The Pacer Flow performance counter set consists of flow statistics from the packet scheduler.
3
Packets scheduled Packets scheduled The number of packets which got scheduled in some way (rather than just being directly sent to the underlying miniport).
4
Bytes transmitted/sec Bytes transmitted/sec The number of bytes per second from this flow which have been sent.
5
Packets dropped/sec Packets dropped/sec The number of packets dropped by the packet scheduler from this flow per second.
6
Max packets in shaper Max packets in shaper The maximum number of packets that have ever simultaneously been in the shaper.
7
Average packets in netcard Average packets in netcard The average number of packets that have been queued in the netcard by this flow.
8
Out of packets Out of packets The number of times Pacer has been unable to allocate a packet.
9
Flows modified Flows modified The number of times a flow has been modified.
10
Nonconforming packets scheduled/sec Nonconforming packets scheduled/sec The rate at which nonconforming packets have entered the packet scheduler.
11
Max packets in sequencer Max packets in sequencer The maximum number of packets that have ever simultaneously been in the sequencer.
12
Nonconforming packets transmitted/sec Nonconforming packets transmitted/sec The rate at which nonconforming packets have been sent by the packet scheduler.
While we believe this information up to date and accurate, FAQware is not responsible for any inaccuracies. If you find something that is out of date or inaccurate, please let us know at
so we can correct it.
