windows中使用perfmon /res打开资源管理器，查看系统的CPU、内存、磁盘等资源实时使用情况。
1.perfmon /res 资源管理器
2. run->perfmon 打开资源管理器，提示如下：
"Unable to add these counters:
\Memory\Available MBytes
\Memory\% Committed Bytes In Use
\Memory\Cache Faults/sec
\Memory\Cache Faults/sec
\PhysicalDisk(*)\%Idle Time
\PhysicalDisk(*)\Avg. Disk Queue Length
\Network Interface(*)\Bytes Total/sec"
则：Click Start, type cmd right clickcmd.exe, and selectRun as administrator.
At the prompt, type lodctr /r and press ENTER. This will repair the pointers (those are stored in the registry).
C:\Windows\system32>lodctr /r
Info: Successfully rebuilt performance counter setting from system backup store
After this action it is possible that some providers are disabled. You can check the status withlodctr /q.
C:\Windows\system32>lodctr /q
Performance Counter ID Queries [PERFLIB]:
Base Index: 0x00000737 (1847)
Last Counter Text ID: 0x00001560 (5472)
Last Help Text ID: 0x00001561 (5473)
DLL Name: netfxperf.dll
Open Procedure: OpenPerformanceData
Collect Procedure: CollectPerformanceData
Close Procedure: ClosePerformanceData
First Counter ID: 0x00001080 (4224)
Last Counter ID: 0x0000108C (4236)
First Help ID: 0x00001081 (4225)
Last Help ID: 0x0000108D (4237)
etc
If it says (Disabled) next to a provider, you can enable it with lodctr /e:<provider name>. Use for <provider name> the string between the [ ] at the beginning of the entry.