From: Dietmar Maurer <dietmar@proxmox.com>
To: Alexandre Derumier <aderumier@odiso.com>
Cc: Proxmox VE development discussion <pve-devel@lists.proxmox.com>
Subject: Re: [pve-devel] [PATCH pve-manager] pvestatd: stream host pressure counters
Date: Fri, 23 Oct 2020 09:50:29 +0200 (CEST) [thread overview]
Message-ID: <192891807.455.1603439430434@webmail.proxmox.com> (raw)
In-Reply-To: <CAMGxVzAM2f1sbUZKwkSJ+bhRf6Zt1xbfRZnVwWAk2owJvOwZxg@mail.gmail.com>
> I would like also to add some improvement for vm memory/cpu stats.
>
> for cpu, currently, we only monitor the qemu process cpu usage, but
> with virtio-net + vhost-net,
> we are missing vhost-* process cpu usage. (For vms will a lot of
> traffic, this is really signifiant).
>
> I would like to add something like "hostcpu" counter, will real metric
> (reading the vm cgroup cpu.stat)
make sense.
> Also, for memory, when ballooning is enabled, we don't have anymore
> the real memory usage on the host.
> For example, a windows vm with 16g mem is filling memory with zeroes
> at boot, so from the host all the 16G memory is used, but in windows
> guest we only see something like 2G.
>
> so, I would like to add something like "hostmemory" counter
>
>
> what do you think about this ?
Sounds reasonable. We just need to find a way to add new values
in a compatible way.
next prev parent reply other threads:[~2020-10-23 7:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-06 11:58 Alexandre Derumier
2020-10-13 5:57 ` Dietmar Maurer
2020-10-22 23:53 ` Alexandre Derumier
2020-10-23 7:50 ` Dietmar Maurer [this message]
2020-10-24 13:46 ` Alexandre Derumier
2020-10-24 15:43 ` Thomas Lamprecht
2020-10-26 7:55 ` Alexandre Derumier
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