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
WARNING: multiple messages have this Message-ID (diff)
From: David Hildenbrand <david-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Cc: Michal Hocko <mhocko-IBi9RG/b67k@public.gmane.org>,
Roman Gushchin <guro-b10kYP2dOMg@public.gmane.org>,
Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Seth Jennings <sjenning-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Dan Streetman <ddstreet-EkmVulN54Sk@public.gmane.org>,
Minchan Kim <minchan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
kernel-team-b10kYP2dOMg@public.gmane.org
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-druUgvl0LCNAfugRpC6u6w@public.gmane.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-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
Acked-by: David Hildenbrand <david-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
--
Thanks,
David / dhildenb
next prev parent reply other threads:[~2022-05-11 17:13 UTC|newest]
Thread overview: 47+ 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 ` Johannes Weiner
2022-05-10 15:28 ` [PATCH v2 1/6] Documentation: filesystems: proc: update meminfo section Johannes Weiner
2022-05-10 15:28 ` Johannes Weiner
2022-05-11 17:11 ` David Hildenbrand
2022-05-11 17:11 ` David Hildenbrand
2022-05-11 18:51 ` Johannes Weiner
2022-05-11 18:51 ` Johannes Weiner
2022-05-12 8:55 ` David Hildenbrand
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 ` 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 15:28 ` Johannes Weiner
2022-05-10 22:40 ` Andrew Morton
2022-05-10 22:40 ` Andrew Morton
2022-05-11 15:22 ` Johannes Weiner
2022-05-11 15:22 ` Johannes Weiner
2022-05-11 16:28 ` 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 ` Johannes Weiner
2022-05-10 15:28 ` [PATCH v2 5/6] mm: zswap: add basic meminfo and vmstat coverage Johannes Weiner
2022-05-10 15:28 ` Johannes Weiner
2022-05-11 17:13 ` David Hildenbrand [this message]
2022-05-11 17:13 ` David Hildenbrand
2022-05-10 15:28 ` [PATCH v2 6/6] zswap: memcg accounting Johannes Weiner
2022-05-10 15:28 ` Johannes Weiner
2022-05-11 17:32 ` Michal Koutný
2022-05-11 17:32 ` Michal Koutný
2022-05-11 19:06 ` Johannes Weiner
2022-05-11 19:06 ` Johannes Weiner
2022-05-13 15:14 ` Michal Koutný
2022-05-13 15:14 ` Michal Koutný
2022-05-13 17:08 ` Johannes Weiner
2022-05-13 17:08 ` Johannes Weiner
2022-05-16 14:34 ` Michal Koutný
2022-05-16 14:34 ` Michal Koutný
2022-05-16 20:01 ` Johannes Weiner
2022-05-16 20:01 ` Johannes Weiner
2022-05-17 23:52 ` Andrew Morton
2022-05-18 8:23 ` Michal Koutný
2022-05-18 8:23 ` Michal Koutný
2022-05-13 17:23 ` Shakeel Butt
2022-05-13 17:23 ` Shakeel Butt
2022-05-13 18:25 ` Johannes Weiner
2022-05-13 18:25 ` Johannes Weiner
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