From: David Rientjes <rientjes@google.com>
To: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, linux-cxl@vger.kernel.org,
cerasuolodomenico@gmail.com, hannes@cmpxchg.org,
j.granados@samsung.com, lizhijian@fujitsu.com,
muchun.song@linux.dev, nphamcs@gmail.com, rppt@kernel.org,
souravpanda@google.com, vbabka@suse.cz, willy@infradead.org,
dan.j.williams@intel.com, yi.zhang@redhat.com,
alison.schofield@intel.com, david@redhat.com,
yosryahmed@google.com
Subject: Re: [PATCH v5 2/3] mm: add system wide stats items category
Date: Sun, 11 Aug 2024 13:24:37 -0700 (PDT) [thread overview]
Message-ID: <d5face34-4972-228c-3c6d-ae9ebe3be1e1@google.com> (raw)
In-Reply-To: <20240809191020.1142142-3-pasha.tatashin@soleen.com>
On Fri, 9 Aug 2024, Pasha Tatashin wrote:
> /proc/vmstat contains events and stats, events can only grow, but stats
> can grow and shrink.
>
> vmstat has the following:
> -------------------------
> NR_VM_ZONE_STAT_ITEMS: per-zone stats
> NR_VM_NUMA_EVENT_ITEMS: per-numa events
> NR_VM_NODE_STAT_ITEMS: per-numa stats
> NR_VM_WRITEBACK_STAT_ITEMS: system-wide background-writeback and
> dirty-throttling tresholds.
> NR_VM_EVENT_ITEMS: system-wide events
> -------------------------
>
> Rename NR_VM_WRITEBACK_STAT_ITEMS to NR_VM_STAT_ITEMS, to track the
> system-wide stats, we are going to add per-page metadata stats to this
> category in the next patch.
>
> Also delete unused writeback_stat_name() function.
>
> Suggested-by: Yosry Ahmed <yosryahmed@google.com>
> Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
> Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
next prev parent reply other threads:[~2024-08-11 20:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-09 19:10 [PATCH v5 0/3] Fixes for memmap accounting Pasha Tatashin
2024-08-09 19:10 ` [PATCH v5 1/3] mm: don't account memmap on failure Pasha Tatashin
2024-08-10 2:39 ` Muchun Song
2024-08-11 20:23 ` David Rientjes
2024-08-09 19:10 ` [PATCH v5 2/3] mm: add system wide stats items category Pasha Tatashin
2024-08-11 20:24 ` David Rientjes [this message]
2024-08-09 19:10 ` [PATCH v5 3/3] mm: don't account memmap per-node Pasha Tatashin
2024-08-11 20:26 ` David Rientjes
2024-08-16 1:24 ` Yi Zhang
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