- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
According to the Intel Manual Vol. 3A/B chatpter 15.6: the Hardware Feedback Interface and Intel® Thread Director both have a structure in memory to record some information changes of the CPU. However, I couldn’t find any information about the content of that memory region being '0'.
- The manual says that the memory region's address is in :
and the MAXPHYADDR can be found from
2. I have an i7-12700 CPU and the maxphyaddr is '46'. I obtained the physical address of the Hardware Feedback Interface and Thread Director structure and attempted to read it from a kernel module. However, the content of that memory region appears to be all '0'. I have ensured that both the HFI and Thread Director have been enabled.
Is there any method to deal with this? Thanks!
Link Copied
0 Replies
![](/skins/images/872293744008A34B36F8ABF94A46CC66/responsive_peak/images/icon_anonymous_message.png)
Reply
Topic Options
- Subscribe to RSS Feed
- Mark Topic as New
- Mark Topic as Read
- Float this Topic for Current User
- Bookmark
- Subscribe
- Printer Friendly Page