Measure-Command
Applies To: Windows PowerShell 2.0
Measures the time it takes to run script blocks and cmdlets.
Measure-Command [-Expression] <scriptblock> [-InputObject <psobject>] [<CommonParameters>]
The Measure-Command cmdlet runs a script block or cmdlet internally, times the execution of the operation, and returns the execution time.
Specifies the expression that is being timed. Enclose the expression in braces ({}). The parameter name ("Expression") is optional.
Required? |
true |
Position? |
1 |
Default Value |
|
Accept Pipeline Input? |
false |
Accept Wildcard Characters? |
false |
Specifies objects representing the expressions to be measured. Enter a variable that contains the objects or type a command or expression that gets the objects.
Required? |
false |
Position? |
named |
Default Value |
|
Accept Pipeline Input? |
true (ByValue) |
Accept Wildcard Characters? |
false |
This command supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, OutBuffer, OutVariable, WarningAction, and WarningVariable. For more information, see about_CommonParameters.
The input type is the type of the objects that you can pipe to the cmdlet. The return type is the type of the objects that the cmdlet returns.
Inputs |
System.Management.Automation.PSObject You can pipe an object to Measure-Command. |
Outputs |
System.TimeSpan Measure-Command returns a time span object that represents the result. |
For more information, type "Get-Help Measure-Command -detailed". For technical information, type "Get-Help Measure-Command -full".
When specifying multiple values for a parameter, use commas to separate the values. For example, "<parameter-name> <value1>, <value2>".
C:\PS>Measure-Command { get-eventlog "windows powershell" }
Description
-----------
This command measures the time it takes to run a "get-eventlog" command that gets the events in the Windows PowerShell event log.
C:\PS>measure-command {get-childitem c:\windows -include *.txt -recurse}
Days : 0
Hours : 0
Minutes : 0
Seconds : 8
Milliseconds : 618
Ticks : 86182763
TotalDays : 9.9748568287037E-05
TotalHours : 0.00239396563888889
TotalMinutes : 0.143637938333333
TotalSeconds : 8.6182763
TotalMilliseconds : 8618.2763
C:\PS>measure-command {get-childitem c:\windows -filter "*.txt" -recurse}
Days : 0
Hours : 0
Minutes : 0
Seconds : 1
Milliseconds : 140
Ticks : 11409189
TotalDays : 1.32050798611111E-05
TotalHours : 0.000316921916666667
TotalMinutes : 0.019015315
TotalSeconds : 1.1409189
TotalMilliseconds : 1140.9189
Description
-----------
These commands show the value of using a provider-specific filter in Windows PowerShell commands. The first command measures the time it takes to process a recursive Get-ChildItem command that uses the Include parameter. The second command measures the time it takes to process a recursive Get-ChildItem command that uses the provider-specific Filter parameter.