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Windows Resource Management CED 588 - Operating Systems Fall 2004

Windows Resource Management CED 588 - Operating Systems Fall 2004. Windows Resource Management. Many tools available for monitoring and managing Operating System resources Can be used for many purposes including: Troubleshooting system/process Hangs, Freezes, Slowdowns

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Windows Resource Management CED 588 - Operating Systems Fall 2004

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  1. Windows Resource ManagementCED 588 - Operating SystemsFall 2004

  2. Windows Resource Management • Many tools available for monitoring and managing Operating System resources • Can be used for many purposes including: • Troubleshooting system/process Hangs, Freezes, Slowdowns • Removing Spyware, Adware, etc. • Tuning system (to prevent problems) • Prioritizing jobs • And more

  3. Windows Resource Management • Survey of tools which allow us to monitor/manage OS resources including: • Windows Task Manager • Windows Process Explorer • Security Task Manager • TaskInfo 2002/2003 • Win Patrol (More of a system protector and configuration tool)

  4. Windows Resource Management Windows Task Manager • Can be Started at least 3 ways • CTRL – ALT – DEL  Choose TaskManager • Right Click Task Bar  Choose TaskManager • CTRL – Shift – Esc  Instant Start

  5. Windows Resource Management • Windows Task Manager (cont) • Task Manger (XP) starts with 4 or 5 Tabs • Applications • Processes • Performance • Network • Users (under certain conditions) • Note that options under PULL DOWN menus change based on which tab you’re looking at!

  6. Windows Resource Management • Task Manager - Applications Tab • Shows (primarily) the USER Tasks or Applications running on your computer, and the status which is usually “running” (good) or “Not Responding” (bad). • From the Applications Tab you can: • Switch to a Task (Application) • Create a new Task (Application) • End a Task or Tasks (Application) • Go to the associated process on the Processes Tab • Tile Windows Automatically (THIS IS COOL!)

  7. Windows Resource Management • Task Manager - Processes Tab • By default displays *all* processes running on your computer, including system processes. • For each process, many individual resources can be monitored. (next slide) • In addition, from the Processes Tab you can: • Create a new Task (Process) • End a Task (Process)

  8. Windows Resource Management • Task Manager - Processes Tab (cont) • Viewable Resources: Base PriorityCPU TimeCPU Usage GDI ObjectsHandle CountImage Name I/O OtherI/O Other BytesI/O Reads I/O Read BytesI/O WritesI/O Write Bytes Memory UsageMemory Usage DeltaNonpaged Pool Page FaultsPage Faults DeltaPaged Pool Peak Memory UsagePID (Process Identifier)Session ID Thread CountUser NameUSER Objects Virtual Memory Size

  9. Windows Resource Management • Task Manager - Processes Tab (continued) • In addition to ending a process or process tree, you can set the priority (be careful) at which it runs • On multiple processor systems OR Hyperthreading enabled Processors you can also set the affinity.

  10. Windows Resource Management • Task Manager - Performance Tab • Lets you see how busy your PC is. • CPU Usage • Page File Usage • Demonstrate effect of Minimizing • See HANDOUT 1 and 2

  11. Windows Resource Management • Watch for leaky applications A memory leak occurs when memory is allocated to a process and the process does not return the full amount of memory upon completion. When this happens repeatedly, the memory pool becomes depleted.

  12. Windows Resource Management Task Manager – Networking Tab • Basically monitor network traffic seen by Network Interface Card (NIC) or other network connection

  13. Windows Resource Management • Task Manager – Users Tab • Displayed if the computer you are working on has Fast User Switching enabled, and is a member of a workgroup or is a standalone computer. • Displays users who can access this computer, and session status and names. Client Name specifies the name of the client computer using the session, if applicable.

  14. Windows Resource Management A Couple of alternative tools …

  15. Windows Resource Management • Windows Process Explorer • Freeware from www.sysinternals.com • Has the BullsEye Drag Tool • Color coding for processes

  16. Windows Resource Management • Security Task Manager • Can be purchased for $29 • Ranks by threat severity

  17. Windows Resource Management • Task Info 2002 / 2003 • Need to purchase after 30 days • Most “raw” information

  18. Windows Resource Management • Win Patrol • Hybrid tool • Primarily Configuration • Some monitoring

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