From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id 39AE0611C1 for ; Tue, 13 Oct 2020 08:05:14 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 2F792ADA8 for ; Tue, 13 Oct 2020 08:05:14 +0200 (CEST) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [212.186.127.180]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS id BDD46AD9A for ; Tue, 13 Oct 2020 08:05:13 +0200 (CEST) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 84A0F45D25; Tue, 13 Oct 2020 08:05:13 +0200 (CEST) Date: Tue, 13 Oct 2020 08:05:00 +0200 (CEST) From: Dietmar Maurer To: Proxmox VE development discussion , Alexandre Derumier Message-ID: <190420382.634.1602569100580@webmail.proxmox.com> In-Reply-To: References: <20201006115839.1026402-1-aderumier@odiso.com> <20201006115839.1026402-2-aderumier@odiso.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Priority: 3 Importance: Normal X-Mailer: Open-Xchange Mailer v7.10.4-Rev10 X-Originating-Client: open-xchange-appsuite X-SPAM-LEVEL: Spam detection results: 0 AWL 0.070 Adjusted score from AWL reputation of From: address KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment RCVD_IN_DNSWL_MED -2.3 Sender listed at https://www.dnswl.org/, medium trust SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: Re: [pve-devel] [PATCH pve-common 1/1] ProcFSTools: add read_pressure X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Oct 2020 06:05:14 -0000 > I have notice that it's possible to get pressure info for each vm/ct > through cgroups > > /sys/fs/cgroup/unified/qemu.slice/.scope/cpu.pressure > /sys/fs/cgroup/unified/lxc//cpu.pressure > > > Maybe it could be great to have some new rrd graphs for each vm/ct ? > They are very useful counters to known a specific vm/ct is overloaded I have no idea how reliable this is, because we do not use cgroups v2. But yes, I think this would be useful.