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Ways of collecting loads and stores per function from vtune

Jay14
Beginner
1,862 Views

I just wanted number of loads and stores for every function. I was able to get this by using memory-access analysis but just for collecting this data I have to too much overhead. Is there any other way to get this. 

I had seen the custom analysis using -collect-with runsa/runss. Is it possible to get it from these utilities. 

 

Thanks & regards  

Jay   

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Rahila_T_Intel
Employee
1,812 Views

Hi,


Thank you for posting in Intel communities.


We have informed the concerned team regarding your query to get number of loads & stores and cpu time using custom analysis. We will update you soon.


Thanks


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Rahila_T_Intel
Employee
1,745 Views

Hi,


Sorry for the delay.


Here are few ways to reduce the overhead of memory-access analysis:


1.Setting the 'dram-bandwidth-limits' knob to 'false'


2.Setting mem-object-size-min-thres to a higher value (default is 1024B)


3. Increasing the sampling interval (reduces the number of interrupts and the number of samples collected )


Collecting load store is possible using runss. 

However that would require manually adding all the events to the 'event-config='. Also, these events would vary based on your platform. Here is a reference to the performance monitoring events: https://perfmon-events.intel.com/


If this resolves your issue, make sure to accept this as a solution. This would help others with similar issue. 


Thanks


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Rahila_T_Intel
Employee
1,635 Views

Hi,


We have not heard back from you. Could you please give us an update?


Thanks


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Rahila_T_Intel
Employee
1,536 Views

Hi,


We have not heard back from you. This thread will no longer be monitored by Intel. If you need further assistance, please post a new question.


Thanks


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