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35 lines
1.0 KiB
35 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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