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From: David Hildenbrand <david@redhat.com>
To: Johannes Weiner <hannes@cmpxchg.org>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>, Roman Gushchin <guro@fb.com>,
	Shakeel Butt <shakeelb@google.com>,
	Seth Jennings <sjenning@redhat.com>,
	Dan Streetman <ddstreet@ieee.org>,
	Minchan Kim <minchan@kernel.org>,
	linux-mm@kvack.org, cgroups@vger.kernel.org,
	linux-kernel@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH v2 5/6] mm: zswap: add basic meminfo and vmstat coverage
Date: Wed, 11 May 2022 19:13:47 +0200	[thread overview]
Message-ID: <f153dd2c-574a-a303-4f54-9e1396b131f9@redhat.com> (raw)
In-Reply-To: <20220510152847.230957-6-hannes@cmpxchg.org>

On 10.05.22 17:28, Johannes Weiner wrote:
> Currently it requires poking at debugfs to figure out the size and
> population of the zswap cache on a host. There are no counters for
> reads and writes against the cache. As a result, it's difficult to
> understand zswap behavior on production systems.
> 
> Print zswap memory consumption and how many pages are zswapped out in
> /proc/meminfo. Count zswapouts and zswapins in /proc/vmstat.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

Acked-by: David Hildenbrand <david@redhat.com>


-- 
Thanks,

David / dhildenb


  reply	other threads:[~2022-05-11 17:13 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-10 15:28 [PATCH v2 0/6] zswap: accounting & cgroup control Johannes Weiner
2022-05-10 15:28 ` [PATCH v2 1/6] Documentation: filesystems: proc: update meminfo section Johannes Weiner
2022-05-11 17:11   ` David Hildenbrand
2022-05-11 18:51     ` Johannes Weiner
2022-05-12  8:55       ` David Hildenbrand
2022-05-10 15:28 ` [PATCH v2 2/6] mm: Kconfig: move swap and slab config options to the MM section Johannes Weiner
2022-05-10 15:28 ` [PATCH v2 3/6] mm: Kconfig: group swap, slab, hotplug and thp options into submenus Johannes Weiner
2022-05-10 22:40   ` Andrew Morton
2022-05-11 15:22     ` Johannes Weiner
2022-05-11 16:28       ` Johannes Weiner
2022-05-10 15:28 ` [PATCH v2 4/6] mm: Kconfig: simplify zswap configuration Johannes Weiner
2022-05-10 15:28 ` [PATCH v2 5/6] mm: zswap: add basic meminfo and vmstat coverage Johannes Weiner
2022-05-11 17:13   ` David Hildenbrand [this message]
2022-05-10 15:28 ` [PATCH v2 6/6] zswap: memcg accounting Johannes Weiner
2022-05-11 17:32   ` Michal Koutný
2022-05-11 19:06     ` Johannes Weiner
2022-05-13 15:14       ` Michal Koutný
2022-05-13 17:08         ` Johannes Weiner
2022-05-16 14:34           ` Michal Koutný
2022-05-16 20:01             ` Johannes Weiner
2022-05-17 23:52               ` Andrew Morton
2022-05-18  8:23                 ` Michal Koutný
2022-05-13 17:23   ` Shakeel Butt
2022-05-13 18:25     ` Johannes Weiner

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