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* [PATCH] cgroup: Add documentation for missing zswap memory.stat
@ 2024-05-01  9:53 Usama Arif
  2024-05-01 12:02 ` Johannes Weiner
  0 siblings, 1 reply; 2+ messages in thread
From: Usama Arif @ 2024-05-01  9:53 UTC (permalink / raw)
  To: hannes, tj, lizefan.x, nphamcs, corbet
  Cc: linux-mm, cgroups, linux-doc, linux-kernel, kernel-team, Usama Arif

This includes zswpin, zswpout and zswpwb.

Signed-off-by: Usama Arif <usamaarif642@gmail.com>
---
 Documentation/admin-guide/cgroup-v2.rst | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 17e6e9565156..48ec54627814 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1454,6 +1454,15 @@ PAGE_SIZE multiple when read back.
 	  zswapped
 		Amount of application memory swapped out to zswap.
 
+	  zswpin
+		Number of pages moved in to memory from zswap.
+
+	  zswpout
+		Number of pages moved out of memory to zswap.
+
+	  zswpwb
+		Number of pages written from zswap to swap.
+
 	  file_mapped
 		Amount of cached filesystem data mapped with mmap()
 
-- 
2.43.0



^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] cgroup: Add documentation for missing zswap memory.stat
  2024-05-01  9:53 [PATCH] cgroup: Add documentation for missing zswap memory.stat Usama Arif
@ 2024-05-01 12:02 ` Johannes Weiner
  0 siblings, 0 replies; 2+ messages in thread
From: Johannes Weiner @ 2024-05-01 12:02 UTC (permalink / raw)
  To: Usama Arif
  Cc: tj, lizefan.x, nphamcs, corbet, linux-mm, cgroups, linux-doc,
	linux-kernel, kernel-team

On Wed, May 01, 2024 at 10:53:49AM +0100, Usama Arif wrote:
> This includes zswpin, zswpout and zswpwb.

Good idea adding these!

> Signed-off-by: Usama Arif <usamaarif642@gmail.com>
> ---
>  Documentation/admin-guide/cgroup-v2.rst | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
> index 17e6e9565156..48ec54627814 100644
> --- a/Documentation/admin-guide/cgroup-v2.rst
> +++ b/Documentation/admin-guide/cgroup-v2.rst
> @@ -1454,6 +1454,15 @@ PAGE_SIZE multiple when read back.
>  	  zswapped
>  		Amount of application memory swapped out to zswap.
>  
> +	  zswpin
> +		Number of pages moved in to memory from zswap.
> +
> +	  zswpout
> +		Number of pages moved out of memory to zswap.
> +
> +	  zswpwb
> +		Number of pages written from zswap to swap.
> +

They should go between pglazyfreed and thp_fault_alloc to match the
output ordering (they're event counters, not memory counters).

>  	  file_mapped
>  		Amount of cached filesystem data mapped with mmap()
>  


^ permalink raw reply	[flat|nested] 2+ messages in thread

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