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Add a debugfs entry to dump Xe page fault queue state. The output includes queue geometry (entry size, total size, head/tail), per-entry allocation state counts, and whether each page fault worker cache is currently valid. This is intended to help debug page fault storms, chaining, and retry behaviour without needing tracing. Assisted-by: ChatGPT:gpt-5 # Documentation Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Maciej Patelczyk <maciej.patelczyk@intel.com> Link: https://patch.msgid.link/20260806185202.3922432-11-matthew.brost@intel.com |
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| trace | ||
| vga | ||
| buddy.c | ||
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