powershell monitor performance

Hi all experts
I've been working mostly with linux and recently begin to work with windows.
I need to poll performance counters off windows server 2003, such as cpu, memory, request per second.
The result will be inserted into a remote mysql server from which another program will grab and visualize those numbers on graph.

For instance, I do something like this
Get-Counter '\Processor(*)\% Processor Time'  

The problem is that it returns an object (in form of table). I only need the number , let's say '% CPU'.

Is there any quick way/less-system-resource-consuming way to do this?

many thanks!!
valleytechAsked:
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Chris DentPowerShell DeveloperCommented:

Something like this would return those as simple strings:

Get-Counter '\Processor(*)\% Processor Time'  | `
  %{ $_.CounterSamples | %{ "$($_.InstanceName) $('{0:P2}' -f ($_.CookedValue / 100))" } }

Although you could argue that making the snippet more complex would skew the results somewhat :)

You can also get the current load from:

(Get-WMIObject Win32_Processor | Select-Object LoadPercentage).LoadPercentage

It's brief though and will only show physical processors.

Chris
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valleytechAuthor Commented:
ah THanks!!
just a dump question by the way, the second method seems to take a while to respond on screen, does it take up considerable system resources?
I will have these scripts running in background every 5 minutes.

thanks again
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Chris DentPowerShell DeveloperCommented:

> does it take up considerable system resources?

No, not really. WMI is just rather slow in a fair number of cases. I'd go with whichever is faster.

Chris
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