prometheusmetricshost-metricsmachine-metricsnode-metricsprocfsprometheus-exportersystem-informationsystem-metrics
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34 lines
1.0 KiB
34 lines
1.0 KiB
// Copyright 2015 The Prometheus Authors |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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// +build darwin dragonfly freebsd netbsd openbsd solaris |
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// +build !noloadavg |
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package collector |
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import ( |
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"errors" |
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) |
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// #include <stdlib.h> |
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import "C" |
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func getLoad() ([]float64, error) { |
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var loadavg [3]C.double |
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samples := C.getloadavg(&loadavg[0], 3) |
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if samples > 0 { |
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return []float64{float64(loadavg[0]), float64(loadavg[1]), float64(loadavg[2])}, nil |
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} else { |
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return nil, errors.New("failed to get load average") |
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} |
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}
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