Powershell Logging Loop

gistfile1.ps1

# Implement FreePhysicalMemory log item, if necessary. This runs once.
try
{
# create a new event log type of "FreePhysicalMemory"
[System.Diagnostics.EventLog]::CreateEventSource("FreePhysicalMemory", "System")
}
catch
{
# ignore if the above fails.
}

# now, it's time for our endless loop...

while($true)
{

# pause the script from running for 60 seconds...

Start-Sleep -s 60

$myFreeMemory = (Get-WmiObject Win32_OperatingSystem).FreePhysicalMemory

# for debugging purposes. comment out when happy    
"my free memory -> $myFreeMemory"

# logging entries for graylog
write-eventlog -logname System -source FreePhysicalMemory -eventID 6670 -entrytype Information -message "$myFreeMemory" -category 1

}