Azure Monitor监控windows系统CPU使用率

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如果我们之前没有启用性能计数器数据，则可以在Log Analytics Workspace中单击“ 高级设置”，再单击“ 数据”，现在单击“ Windows性能计数器”，最后单击“ 添加选定的性能计数器”：

查询收集到的数据
我们可以使用如下查询语句从我们收集到的数据中查询出系统的CPU使用率：
Perf| where ObjectName == "rocessor" and CounterName == "% Processor Time" and InstanceName == "_Total" and Computer in ((Heartbeat| distinct Computer))| summarize PCT95CPUPercentTime = percentile(CounterValue, 95) by Computer| summarize max(PCT95CPUPercentTime) by Computer| join(Perf| where ObjectName == "rocessor" and CounterName == "% Processor Time" and InstanceName == "_Total" and Computer in ((Heartbeat| distinct Computer)))on Computer| make-series PCT95CPUPercentTime = percentile(CounterValue, 95) on TimeGenerated from ago( 5h ) to now() step 10m by Computer| render timechart
也可以使用如下语句来查看CPU使用率大于某个值的机器：
let setpctValue = 3erf| where ObjectName == "rocessor" and CounterName == "% Processor Time" and InstanceName == "_Total" and Computer in ((Heartbeat| distinct Computer))| summarize PCT95CPUPercentTime = percentile(CounterValue, 95) by Computer| where PCT95CPUPercentTime > setpctValue| summarize max(PCT95CPUPercentTime) by Computer| join(Perf| where ObjectName == "rocessor" and CounterName == "% Processor Time" and InstanceName == "_Total" and Computer in ((Heartbeat| distinct Computer)))on Computer| make-series PCT95CPUPercentTime = percentile(CounterValue, 95) on TimeGenerated from ago( 5h ) to now() step 10m by Computer| render timechart
将性能图表固定到仪表板
若想将我们所查询出来的图表固定到Azure Dashboard，可以点击查询窗口右上方的“固定”按钮，然后选择我们要将图标展示在那个Dashboard。

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