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#!/usr/bin/perl -w
use Win32::OLE qw[in];
my $host = $ARGV[0] || '.';
my $wmi = Win32::OLE->GetObject( "winmgmts://$host/root/cimv2" )
or die Win32::FormatMessage( Win32::OLE::LastError() );
my %instances = (
Win32_PhysicalMemory => \&get_pmem,
Win32_PerfRawData_PerfOS_Memory => \&get_amem,
Win32_Processor => \&get_load,
Win32_LogicalDisk => \&get_disk,
);
while(1) {
my $out = get_perf_data();
print $out;
print "\n";
sleep(30);
}
sub get_perf_data {
my($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
$year = $year + 1900;
$mon = $mon + 1;
my $str = sprintf "%4.4d-%2.2d-%2.2d",$year,$mon,$mday;
my $timestr = sprintf "%2.2d:%2.2d:%2.2d",$hour,$min,$sec;
my $mem;
foreach ( keys %instances ) {
my $class = $wmi->InstancesOf( $_ );
$mem .= $instances{ $_ }->( $class );
}
my $out = "##\nCollect Time: ".$str." ".$timestr."\n".$mem."%%\r\n";
return $out;
}
# get cpu loadavg
sub get_load {
my $class = shift;
my $total="";
my $i = 0;
$i++,$total = $total."CPU No. $i: ".$_->{LoadPercentage}."%\n" foreach in($class);
return $total;
}
# get total memory size
sub get_pmem {
my $class = shift;
my $total;
$total += $_->{Capacity} foreach in($class);
return "Physical Memory: $total Bytes\n";
}
# get available memory size
sub get_amem {
my $class = shift;
my $amem;
$amem .= join ' ', $_->{AvailableBytes} foreach in($class);
return "Available Memory: $amem Bytes\n";
}
# get free disk sizes
sub get_disk {
my $class = shift;
my $total = "";
$total .= "DISK ".$_->{DeviceID}." Free: ".$_->{FreeSpace}." Bytes\n" foreach in($class);
return $total
}
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