Thread (19 messages) 19 messages, 3 authors, 2025-08-30

Re: [RFC 8/8] powerpc/book3s64/slb: Add slb faults to vmstat

From: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Date: 2025-08-30 04:59:32
Also in: linux-mm, lkml

Stephen Rothwell [off-list ref] writes:
Hi Ritesh,

On Sat, 30 Aug 2025 09:21:47 +0530 "Ritesh Harjani (IBM)" [off-list ref] wrote:
quoted
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 71cd1ceba191..8cd17a5fc72b 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1464,6 +1464,11 @@ const char * const vmstat_text[] = {
 	[I(DIRECT_MAP_LEVEL2_COLLAPSE)]		= "direct_map_level2_collapses",
 	[I(DIRECT_MAP_LEVEL3_COLLAPSE)]		= "direct_map_level3_collapses",
 #endif
+#ifdef CONFIG_PPC_BOOK3S_64
+	"slb_kernel_faults",
+	"slb_user_faults",
+#endif
+
 #ifdef CONFIG_PER_VMA_LOCK_STATS
 	[I(VMA_LOCK_SUCCESS)]			= "vma_lock_success",
 	[I(VMA_LOCK_ABORT)]			= "vma_lock_abort",
Should you be using explicit indexes and the I() macro?
Aah yes, I guess the branch where I developed the patches was not
upstream tip and when I rebased and tested, I missed to see the I()
macro change in mm/vmstat. 

Thanks Stephen for pointing it out. I will fix that in the next revision.

-ritesh
-- 
Cheers,
Stephen Rothwell
  
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