prometheusmetricshost-metricsmachine-metricsnode-metricsprocfsprometheus-exportersystem-informationsystem-metrics
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43 lines
1.1 KiB
43 lines
1.1 KiB
// Copyright 2017 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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//go:build !nokvm && (freebsd || dragonfly) |
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// +build !nokvm |
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// +build freebsd dragonfly |
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package collector |
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import ( |
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"fmt" |
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"sync" |
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) |
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// #cgo LDFLAGS: -lkvm |
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// #include "kvm_bsd.h" |
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import "C" |
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type kvm struct { |
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mu sync.Mutex |
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hasErr bool |
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} |
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func (k *kvm) SwapUsedPages() (value uint64, err error) { |
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k.mu.Lock() |
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defer k.mu.Unlock() |
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if C._kvm_swap_used_pages((*C.uint64_t)(&value)) == -1 { |
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k.hasErr = true |
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return 0, fmt.Errorf("couldn't get kvm stats") |
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} |
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return value, nil |
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}
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