mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-08 05:56:37 +00:00
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 2025 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 windows
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package psapi
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import (
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"unsafe"
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"golang.org/x/sys/windows"
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)
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// PerformanceInformation is a wrapper of the PERFORMANCE_INFORMATION struct.
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// https://docs.microsoft.com/en-us/windows/win32/api/psapi/ns-psapi-performance_information
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type PerformanceInformation struct {
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cb uint32
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CommitTotal uint
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CommitLimit uint
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CommitPeak uint
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PhysicalTotal uint
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PhysicalAvailable uint
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SystemCache uint
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KernelTotal uint
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KernelPaged uint
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KernelNonpaged uint
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PageSize uint
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HandleCount uint32
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ProcessCount uint32
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ThreadCount uint32
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}
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//nolint:gochecknoglobals
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var (
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psapi = windows.NewLazySystemDLL("psapi.dll")
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procGetPerformanceInfo = psapi.NewProc("GetPerformanceInfo")
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)
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// GetPerformanceInfo returns the dereferenced version of GetLPPerformanceInfo.
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func GetPerformanceInfo() (PerformanceInformation, error) {
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var lppi PerformanceInformation
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size := (uint32)(unsafe.Sizeof(lppi))
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lppi.cb = size
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r1, _, err := procGetPerformanceInfo.Call(uintptr(unsafe.Pointer(&lppi)), uintptr(size))
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if ret := *(*bool)(unsafe.Pointer(&r1)); !ret {
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return PerformanceInformation{}, err
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}
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return lppi, nil
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}
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