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contrib-munin/plugins/gpu/nvidia_smi_

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#!/usr/bin/perl
#
# Copyright and BSD license
#
# Copyright (c) 2011 NVIDIA Corporation
# All rights reserved.
#
# Redistribution and use in source and binary forms are permitted
# provided that the above copyright notice and this paragraph are
# duplicated in all such forms and that any documentation,
# advertising materials, and other materials related to such
# distribution and use acknowledge that the software was developed
# by NVIDIA Corporation. The name of the NVIDIA Corporation may not be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
#
# This script collects GPU information for use as a munin plugin
# Inspired by Matthew Ritchie and Vadim Bulakh's nvidia_smi_ plugin
#
#
# This requires the NVML bindings and NVIDIA driver >= R270
# $ sudo cpan install nvidia::ml
# http://search.cpan.org/~nvbinding/nvidia-ml-pl/lib/nvidia/ml.pm
#
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use strict;
use nvidia::ml qw(:all);
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my $runType = "normal";
my @runTypes = qw( normal config autoconf );
if ($#ARGV + 1 == 1)
{
if (grep $_ eq $ARGV[0], @runTypes)
{
$runType = $ARGV[0];
}
else
{
print "Invalid arguement: $ARGV[0].\n";
print "Valid arguements: @runTypes.\n";
exit(1);
}
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}
my $ret = nvmlInit();
exit(1) unless $ret == $NVML_SUCCESS;
($ret, my $gpuCount) = nvmlDeviceGetCount();
exit(1) unless $ret == $NVML_SUCCESS;
($ret, my $driverVersion) = nvmlSystemGetDriverVersion();
$driverVersion = "Unknown" if $ret != $NVML_SUCCESS;
for (my $i = 0; $i < $gpuCount; $i++)
{
($ret, my $handle) = nvmlDeviceGetHandleByIndex($i);
next if $ret != $NVML_SUCCESS;
($ret, my $pciInfo) = nvmlDeviceGetPciInfo($handle);
my $gpuName = $pciInfo->{'busId'} if $ret == $NVML_SUCCESS;
if ($runType eq "config")
{
# only print the graph information once
if ($i == 0)
{
print "graph_title GPU\n";
print "graph_args --upper-limit 120 -l 0\n";
print "graph_vlabel Percent or Degrees C\n";
print "graph_category GPU Metrics\n";
print "graph_info Information for NVIDIA GPUs using driver version $driverVersion\n";
}
# metrics are collected for all the GPUs to a single graph
print "GPU_UTIL_$i.label GPU$i - $gpuName : GPU utilization\n";
print "GPU_FANSPEED_$i.label GPU$i - $gpuName : fan speed\n";
print "GPU_MEM_UTIL_$i.label GPU$i - $gpuName : GPU memory utilization\n";
print "GPU_TEMP_$i.label GPU$i - $gpuName : GPU temperature\n";
}
elsif ($runType eq "autoconf")
{
print "yes\n";
exit(0);
}
else
{
($ret, my $gpuTemp) = nvmlDeviceGetTemperature($handle,
$NVML_TEMPERATURE_GPU);
$gpuTemp = "N/A" if $ret != $NVML_SUCCESS;
($ret, my $gpuFanSpeed) = nvmlDeviceGetFanSpeed($handle);
$gpuFanSpeed = "N/A" if $ret != $NVML_SUCCESS;
($ret, my $utilRates) = nvmlDeviceGetUtilizationRates($handle);
my $gpuUtil;
my $memUtil;
if ($ret == $NVML_SUCCESS)
{
$gpuUtil = $utilRates->{'gpu'};
$memUtil = $utilRates->{'memory'};
}
else
{
$gpuUtil = "N/A";
($ret, my $memory) = nvmlDeviceGetMemoryInfo($handle);
if ($ret == $NVML_SUCCESS)
{
$memUtil = $memory->{"used"} / $memory->{"total"} * 100;
}
else
{
$memUtil = "N/A";
}
}
print "GPU_TEMP_$i.value $gpuTemp\n";
print "GPU_FANSPEED_$i.value $gpuFanSpeed\n";
print "GPU_UTIL_$i.value $gpuUtil\n";
print "GPU_MEM_UTIL_$i.value $memUtil\n";
}
}
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