在Solaris上使用SNMP获取系统CPU信息

本示例代码展示了如何使用SNMP协议在Solaris系统上获取CPU使用率、CPU温度和CPU频率等信息。需要先安装Net-SNMP软件包。

#!/usr/bin/perl

use Net::SNMP;

my ($session, $error) = Net::SNMP->session(
   -hostname  => 'localhost',
   -community => 'public',
   -version   => '2c'
);

if (!defined($session)) {
   printf("ERROR: %s.\n", $error);
   exit 1;
}

my $result = $session->get_request(
   -varbindlist => ['HOST-RESOURCES-MIB::hrProcessorLoad.1',
                    'HOST-RESOURCES-MIB::hrDeviceDescr.1',
                    'HOST-RESOURCES-MIB::hrDeviceTemperature.1',
                    'HOST-RESOURCES-MIB::hrDeviceProcessorClock.1']
);

if (!defined($result)) {
   printf("ERROR: %s.\n", $session->error);
   $session->close;
   exit 1;
}

printf("CPU usage: %d%%\n", $result->{'HOST-RESOURCES-MIB::hrProcessorLoad.1'});
printf("CPU description: %s\n", $result->{'HOST-RESOURCES-MIB::hrDeviceDescr.1'});
printf("CPU temperature: %d\n", $result->{'HOST-RESOURCES-MIB::hrDeviceTemperature.1'});
printf("CPU frequency: %d Hz\n", $result->{'HOST-RESOURCES-MIB::hrDeviceProcessorClock.1'});

$session->close;

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