<<Sharing the information here for broader community usage>>
@mevijaypatil Welcome to Microsoft Q&A and thank you for your query. Please make sure to enable the perf collection first , follow through this documentation.
Provided the information is being sent to LogAnalytics workspace and the respective Perf table, we should be able to run the below query. Ran it on one of our demo workspace, which gave the below output.
Perf
| where CounterName == "% Processor Time"
| where ObjectName == "Processor"
| summarize avg(CounterValue) by bin(TimeGenerated, 15min), Computer, _ResourceId
| render timechart
Please let us know if you have any further queries, thank you.