On 14.07.25 02:32, Nico Pache wrote:
Add the order to the tracepoints to give better insight into what order
is being operated at for khugepaged.
Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Signed-off-by: Nico Pache <npache@xxxxxxxxxx>
---
[...]
TRACE_EVENT(mm_collapse_huge_page_swapin,
- TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret),
+ TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret,
+ int order),
Indentation.
[...]
+++ b/mm/khugepaged.c
@@ -711,13 +711,14 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma,
} else {
result = SCAN_SUCCEED;
trace_mm_collapse_huge_page_isolate(folio, none_or_zero,
- referenced, writable, result);
+ referenced, writable, result,
+ order);
return result;
}
out:
release_pte_pages(pte, _pte, compound_pagelist);
trace_mm_collapse_huge_page_isolate(folio, none_or_zero,
- referenced, writable, result);
+ referenced, writable, result, order);
return result;
}
@@ -1097,7 +1098,8 @@ static int __collapse_huge_page_swapin(struct mm_struct *mm,
result = SCAN_SUCCEED;
out:
- trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, result);
+ trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, result,
+ order);
Dito.
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
--
Cheers,
David / dhildenb
