395 lines
14 KiB
Go
395 lines
14 KiB
Go
// +build windows
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package collector
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import (
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"fmt"
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"regexp"
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"strconv"
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"strings"
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"github.com/StackExchange/wmi"
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"github.com/prometheus-community/windows_exporter/log"
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"github.com/prometheus/client_golang/prometheus"
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"gopkg.in/alecthomas/kingpin.v2"
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)
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func init() {
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registerCollector("process", newProcessCollector, "Process")
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}
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var (
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processWhitelist = kingpin.Flag(
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"collector.process.whitelist",
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"Regexp of processes to include. Process name must both match whitelist and not match blacklist to be included.",
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).Default(".*").String()
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processBlacklist = kingpin.Flag(
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"collector.process.blacklist",
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"Regexp of processes to exclude. Process name must both match whitelist and not match blacklist to be included.",
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).Default("").String()
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)
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type processCollector struct {
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StartTime *prometheus.Desc
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CPUTimeTotal *prometheus.Desc
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HandleCount *prometheus.Desc
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IOBytesTotal *prometheus.Desc
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IOOperationsTotal *prometheus.Desc
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PageFaultsTotal *prometheus.Desc
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PageFileBytes *prometheus.Desc
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PoolBytes *prometheus.Desc
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PriorityBase *prometheus.Desc
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PrivateBytes *prometheus.Desc
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ThreadCount *prometheus.Desc
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VirtualBytes *prometheus.Desc
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WorkingSet *prometheus.Desc
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processWhitelistPattern *regexp.Regexp
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processBlacklistPattern *regexp.Regexp
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}
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// NewProcessCollector ...
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func newProcessCollector() (Collector, error) {
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const subsystem = "process"
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if *processWhitelist == ".*" && *processBlacklist == "" {
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log.Warn("No filters specified for process collector. This will generate a very large number of metrics!")
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}
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return &processCollector{
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StartTime: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "start_time"),
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"Time of process start.",
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[]string{"process", "process_id", "creating_process_id"},
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nil,
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),
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CPUTimeTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cpu_time_total"),
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"Returns elapsed time that all of the threads of this process used the processor to execute instructions by mode (privileged, user). An instruction is the basic unit of execution in a computer, a thread is the object that executes instructions, and a process is the object created when a program is run. Code executed to handle some hardware interrupts and trap conditions is included in this count.",
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[]string{"process", "process_id", "creating_process_id", "mode"},
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nil,
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),
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HandleCount: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "handle_count"),
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"Total number of handles the process has open. This number is the sum of the handles currently open by each thread in the process.",
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[]string{"process", "process_id", "creating_process_id"},
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nil,
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),
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IOBytesTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "io_bytes_total"),
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"Bytes issued to I/O operations in different modes (read, write, other). This property counts all I/O activity generated by the process to include file, network, and device I/Os. Read and write mode includes data operations; other mode includes those that do not involve data, such as control operations. ",
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[]string{"process", "process_id", "creating_process_id", "mode"},
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nil,
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),
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IOOperationsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "io_operations_total"),
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"I/O operations issued in different modes (read, write, other). This property counts all I/O activity generated by the process to include file, network, and device I/Os. Read and write mode includes data operations; other mode includes those that do not involve data, such as control operations. ",
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[]string{"process", "process_id", "creating_process_id", "mode"},
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nil,
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),
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PageFaultsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "page_faults_total"),
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"Page faults by the threads executing in this process. A page fault occurs when a thread refers to a virtual memory page that is not in its working set in main memory. This can cause the page not to be fetched from disk if it is on the standby list and hence already in main memory, or if it is in use by another process with which the page is shared.",
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[]string{"process", "process_id", "creating_process_id"},
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nil,
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),
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PageFileBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "page_file_bytes"),
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"Current number of bytes this process has used in the paging file(s). Paging files are used to store pages of memory used by the process that are not contained in other files. Paging files are shared by all processes, and lack of space in paging files can prevent other processes from allocating memory.",
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[]string{"process", "process_id", "creating_process_id"},
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nil,
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),
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PoolBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "pool_bytes"),
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"Pool Bytes is the last observed number of bytes in the paged or nonpaged pool. The nonpaged pool is an area of system memory (physical memory used by the operating system) for objects that cannot be written to disk, but must remain in physical memory as long as they are allocated. The paged pool is an area of system memory (physical memory used by the operating system) for objects that can be written to disk when they are not being used. Nonpaged pool bytes is calculated differently than paged pool bytes, so it might not equal the total of paged pool bytes.",
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[]string{"process", "process_id", "creating_process_id", "pool"},
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nil,
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),
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PriorityBase: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "priority_base"),
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"Current base priority of this process. Threads within a process can raise and lower their own base priority relative to the process base priority of the process.",
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[]string{"process", "process_id", "creating_process_id"},
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nil,
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),
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PrivateBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "private_bytes"),
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"Current number of bytes this process has allocated that cannot be shared with other processes.",
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[]string{"process", "process_id", "creating_process_id"},
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nil,
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),
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ThreadCount: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "thread_count"),
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"Number of threads currently active in this process. An instruction is the basic unit of execution in a processor, and a thread is the object that executes instructions. Every running process has at least one thread.",
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[]string{"process", "process_id", "creating_process_id"},
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nil,
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),
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VirtualBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "virtual_bytes"),
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"Current size, in bytes, of the virtual address space that the process is using. Use of virtual address space does not necessarily imply corresponding use of either disk or main memory pages. Virtual space is finite and, by using too much, the process can limit its ability to load libraries.",
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[]string{"process", "process_id", "creating_process_id"},
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nil,
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),
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WorkingSet: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "working_set"),
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"Maximum number of bytes in the working set of this process at any point in time. The working set is the set of memory pages touched recently by the threads in the process. If free memory in the computer is above a threshold, pages are left in the working set of a process even if they are not in use. When free memory falls below a threshold, pages are trimmed from working sets. If they are needed, they are then soft-faulted back into the working set before they leave main memory.",
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[]string{"process", "process_id", "creating_process_id"},
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nil,
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),
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processWhitelistPattern: regexp.MustCompile(fmt.Sprintf("^(?:%s)$", *processWhitelist)),
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processBlacklistPattern: regexp.MustCompile(fmt.Sprintf("^(?:%s)$", *processBlacklist)),
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}, nil
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}
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type perflibProcess struct {
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Name string
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PercentProcessorTime float64 `perflib:"% Processor Time"`
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PercentPrivilegedTime float64 `perflib:"% Privileged Time"`
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PercentUserTime float64 `perflib:"% User Time"`
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CreatingProcessID float64 `perflib:"Creating Process ID"`
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ElapsedTime float64 `perflib:"Elapsed Time"`
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HandleCount float64 `perflib:"Handle Count"`
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IDProcess float64 `perflib:"ID Process"`
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IODataBytesPerSec float64 `perflib:"IO Data Bytes/sec"`
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IODataOperationsPerSec float64 `perflib:"IO Data Operations/sec"`
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IOOtherBytesPerSec float64 `perflib:"IO Other Bytes/sec"`
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IOOtherOperationsPerSec float64 `perflib:"IO Other Operations/sec"`
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IOReadBytesPerSec float64 `perflib:"IO Read Bytes/sec"`
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IOReadOperationsPerSec float64 `perflib:"IO Read Operations/sec"`
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IOWriteBytesPerSec float64 `perflib:"IO Write Bytes/sec"`
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IOWriteOperationsPerSec float64 `perflib:"IO Write Operations/sec"`
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PageFaultsPerSec float64 `perflib:"Page Faults/sec"`
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PageFileBytesPeak float64 `perflib:"Page File Bytes Peak"`
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PageFileBytes float64 `perflib:"Page File Bytes"`
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PoolNonpagedBytes float64 `perflib:"Pool Nonpaged Bytes"`
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PoolPagedBytes float64 `perflib:"Pool Paged Bytes"`
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PriorityBase float64 `perflib:"Priority Base"`
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PrivateBytes float64 `perflib:"Private Bytes"`
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ThreadCount float64 `perflib:"Thread Count"`
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VirtualBytesPeak float64 `perflib:"Virtual Bytes Peak"`
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VirtualBytes float64 `perflib:"Virtual Bytes"`
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WorkingSetPrivate float64 `perflib:"Working Set - Private"`
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WorkingSetPeak float64 `perflib:"Working Set Peak"`
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WorkingSet float64 `perflib:"Working Set"`
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}
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type WorkerProcess struct {
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AppPoolName string
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ProcessId uint64
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}
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func (c *processCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
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data := make([]perflibProcess, 0)
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err := unmarshalObject(ctx.perfObjects["Process"], &data)
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if err != nil {
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return err
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}
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var dst_wp []WorkerProcess
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q_wp := queryAll(&dst_wp)
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if err := wmi.QueryNamespace(q_wp, &dst_wp, "root\\WebAdministration"); err != nil {
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log.Debugf("Could not query WebAdministration namespace for IIS worker processes: %v. Skipping", err)
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}
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for _, process := range data {
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if process.Name == "_Total" ||
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c.processBlacklistPattern.MatchString(process.Name) ||
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!c.processWhitelistPattern.MatchString(process.Name) {
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continue
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}
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// Duplicate processes are suffixed # and an index number. Remove those.
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processName := strings.Split(process.Name, "#")[0]
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pid := strconv.FormatUint(uint64(process.IDProcess), 10)
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cpid := strconv.FormatUint(uint64(process.CreatingProcessID), 10)
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for _, wp := range dst_wp {
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if wp.ProcessId == uint64(process.IDProcess) {
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processName = strings.Join([]string{processName, wp.AppPoolName}, "_")
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break
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}
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}
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ch <- prometheus.MustNewConstMetric(
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c.StartTime,
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prometheus.GaugeValue,
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process.ElapsedTime,
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processName,
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pid,
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cpid,
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)
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ch <- prometheus.MustNewConstMetric(
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c.HandleCount,
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prometheus.GaugeValue,
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process.HandleCount,
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processName,
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pid,
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cpid,
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)
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ch <- prometheus.MustNewConstMetric(
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c.CPUTimeTotal,
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prometheus.CounterValue,
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process.PercentPrivilegedTime,
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processName,
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pid,
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cpid,
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"privileged",
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)
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ch <- prometheus.MustNewConstMetric(
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c.CPUTimeTotal,
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prometheus.CounterValue,
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process.PercentUserTime,
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processName,
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pid,
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cpid,
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"user",
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)
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ch <- prometheus.MustNewConstMetric(
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c.IOBytesTotal,
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prometheus.CounterValue,
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process.IOOtherBytesPerSec,
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processName,
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pid,
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cpid,
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"other",
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)
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ch <- prometheus.MustNewConstMetric(
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c.IOOperationsTotal,
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prometheus.CounterValue,
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process.IOOtherOperationsPerSec,
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processName,
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pid,
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cpid,
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"other",
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)
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ch <- prometheus.MustNewConstMetric(
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c.IOBytesTotal,
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prometheus.CounterValue,
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process.IOReadBytesPerSec,
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processName,
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pid,
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cpid,
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"read",
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)
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ch <- prometheus.MustNewConstMetric(
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c.IOOperationsTotal,
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prometheus.CounterValue,
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process.IOReadOperationsPerSec,
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processName,
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pid,
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cpid,
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"read",
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)
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ch <- prometheus.MustNewConstMetric(
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c.IOBytesTotal,
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prometheus.CounterValue,
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process.IOWriteBytesPerSec,
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processName,
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pid,
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cpid,
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"write",
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)
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ch <- prometheus.MustNewConstMetric(
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c.IOOperationsTotal,
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prometheus.CounterValue,
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process.IOWriteOperationsPerSec,
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processName,
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pid,
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cpid,
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"write",
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)
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ch <- prometheus.MustNewConstMetric(
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c.PageFaultsTotal,
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prometheus.CounterValue,
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process.PageFaultsPerSec,
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processName,
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pid,
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cpid,
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)
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ch <- prometheus.MustNewConstMetric(
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c.PageFileBytes,
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prometheus.GaugeValue,
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process.PageFileBytes,
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processName,
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pid,
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cpid,
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)
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ch <- prometheus.MustNewConstMetric(
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c.PoolBytes,
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prometheus.GaugeValue,
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process.PoolNonpagedBytes,
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processName,
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pid,
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cpid,
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"nonpaged",
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)
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ch <- prometheus.MustNewConstMetric(
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c.PoolBytes,
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prometheus.GaugeValue,
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process.PoolPagedBytes,
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processName,
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pid,
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cpid,
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"paged",
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)
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ch <- prometheus.MustNewConstMetric(
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c.PriorityBase,
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prometheus.GaugeValue,
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process.PriorityBase,
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processName,
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pid,
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cpid,
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)
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ch <- prometheus.MustNewConstMetric(
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c.PrivateBytes,
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prometheus.GaugeValue,
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process.PrivateBytes,
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processName,
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pid,
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cpid,
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)
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ch <- prometheus.MustNewConstMetric(
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c.ThreadCount,
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prometheus.GaugeValue,
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process.ThreadCount,
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processName,
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pid,
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cpid,
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)
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ch <- prometheus.MustNewConstMetric(
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c.VirtualBytes,
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prometheus.GaugeValue,
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process.VirtualBytes,
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processName,
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pid,
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cpid,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WorkingSet,
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prometheus.GaugeValue,
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process.WorkingSet,
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processName,
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pid,
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cpid,
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)
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}
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return nil
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}
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