Software Tuning, Performance Optimization & Platform Monitoring
Discussion around monitoring and software tuning methodologies, Performance Monitoring Unit (PMU) of Intel microprocessors, and platform monitoring
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about QPI cmd

Yongbo_C_
Beginner
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i'm working on QPI interconnect system design, i'm puzzle about how the processor determine the qpi command(rddata, rdinvown, etc..) for a data access? any reference doc?

for a certain cache line, if it is accessed by rdcode, is it possible this cache line accessed by rddata/rdinvown/etc... in the future?

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Thomas_W_Intel
Employee
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This forum focuses on software (and how it operates on hardware).

However, I don't think that the details of QPI are publicly documented. Therefore, my recommendation is to contact your Intel representative and ask for documentation.

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