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Add a new GT statistic, PARALLEL_PAGEFAULT_COUNT, to record when multiple page fault workers are active concurrently. When a worker dequeues a fault, scan peer workers for an active cache entry and increment the counter if another fault is already in flight. This provides basic visibility into parallel fault handling behavior for performance analysis and tuning. Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Maciej Patelczyk <maciej.patelczyk@intel.com> Link: https://patch.msgid.link/20260806185202.3922432-13-matthew.brost@intel.com |
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