52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
// 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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