PowerShell Timing Script

Question

Trying to take the following output (listed below) from a PS script and create another output file stating the time it took for each step to complete. Time is in format of day:hr:min:sec

Current output:
[Cpu 1] at [Step 1] completed at 120:15:12:15
[Cpu 1] at [Step 2] completed at 120:15:17:18
[Cpu 1] at [Step 3] completed at 120:16:37:13

Since Step 2 finished at 120:15:17:18, the total time would be found by 120:15:17:18 - 120:15:12:15. Step 3 finished at 120:16:37:13, so the total time would be found by 120:16:37:13 - 120:15:17:18.

Desired output: 
'Step 2 took xx:xx:xx:xx to complete'
'Step 3 took xx:xx:xx:xx to complete'

what have you tried so far? how does your script look and what are the errors you are getting? — Jawad
– Jawad, Commented May 13, 2020 at 19:48
what are the time units? the ones you show are not standard ones ... [grin] — Lee_Dailey
– Lee_Dailey, Commented May 13, 2020 at 20:24
Show your code that creates this output. For the most part, you should be able to leverage the Measure-Command cmdlet for what you are after. — postanote
– postanote, Commented May 13, 2020 at 22:19

postanote · Accepted Answer · 2020-05-13 22:24:17Z

2

Use ...

Measure-Command

# Examples
Measure-Command { Get-ChildItem -Path C:\Windows\*.txt -Recurse }

Measure-Command {Get-ChildItem C:\Windows -Filter "*.txt" -Recurse}

10, 20, 50 | Measure-Command -Expression { for ($i=0; $i -lt $_ i++) {$i} }

10, 20, 50 | Measure-Command -Expression {for ($i=0; $i -lt $_; $i++) {$i}; "$($_)" | Out-Default }

... and use the TotalMilliseconds property as your result.

Or use a stopwatch in your code block to get the elapsed time.

# Instantiate and start a new stopwatch
$stopwatch = [System.Diagnostics.Stopwatch]::StartNew()

Stopwatch Class

Stopwatch.StartNew Method

PowerShell - Measure Script execution time

answered May 13, 2020 at 22:24

postanote

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