prometheusmetricshost-metricsmachine-metricsnode-metricsprocfsprometheus-exportersystem-informationsystem-metrics
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51 lines
1.5 KiB
51 lines
1.5 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 freebsd dragonfly |
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// +build !nomeminfo |
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package collector |
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import ( |
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"fmt" |
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"golang.org/x/sys/unix" |
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) |
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func (c *meminfoCollector) getMemInfo() (map[string]float64, error) { |
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info := make(map[string]float64) |
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size, err := unix.SysctlUint32("vm.stats.vm.v_page_size") |
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if err != nil { |
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return nil, fmt.Errorf("sysctl(vm.stats.vm.v_page_size) failed: %s", err) |
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} |
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for key, v := range map[string]string{ |
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"active": "vm.stats.vm.v_active_count", |
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"inactive": "vm.stats.vm.v_inactive_count", |
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"wire": "vm.stats.vm.v_wire_count", |
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"cache": "vm.stats.vm.v_cache_count", |
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"free": "vm.stats.vm.v_free_count", |
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"swappgsin": "vm.stats.vm.v_swappgsin", |
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"swappgsout": "vm.stats.vm.v_swappgsout", |
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"total": "vm.stats.vm.v_page_count", |
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} { |
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value, err := unix.SysctlUint32(v) |
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if err != nil { |
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return nil, err |
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} |
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// Convert metrics to kB (same as Linux meminfo). |
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info[key] = float64(value) * float64(size) |
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} |
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return info, nil |
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}
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