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Sat, 18 Feb 2023 16:56:44 -0500 (EST) Date: Sat, 18 Feb 2023 21:56:42 +0000 From: void To: freebsd-hackers@freebsd.org Subject: Re: avoiding periodic(8) during long poudriere runs Message-ID: Mail-Followup-To: freebsd-hackers@freebsd.org References: List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: X-Spamd-Result: default: False [-4.59 / 15.00]; DWL_DNSWL_LOW(-1.00)[messagingengine.com:dkim]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-0.999]; NEURAL_HAM_MEDIUM(-0.99)[-0.994]; DMARC_POLICY_ALLOW(-0.50)[f-m.fm,none]; MID_RHS_NOT_FQDN(0.50)[]; R_SPF_ALLOW(-0.20)[+ip4:64.147.123.21:c]; R_DKIM_ALLOW(-0.20)[f-m.fm:s=fm1,messagingengine.com:s=fm1]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_LOW(-0.10)[64.147.123.21:from]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; TO_MATCH_ENVRCPT_ALL(0.00)[]; ARC_NA(0.00)[]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:29838, ipnet:64.147.123.0/24, country:US]; RCVD_COUNT_THREE(0.00)[4]; TO_DN_NONE(0.00)[]; FREEMAIL_FROM(0.00)[f-m.fm]; MLMMJ_DEST(0.00)[freebsd-hackers@freebsd.org]; DKIM_TRACE(0.00)[f-m.fm:+,messagingengine.com:+]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_ENVFROM(0.00)[f-m.fm]; RCVD_VIA_SMTP_AUTH(0.00)[] X-Rspamd-Queue-Id: 4PK2Zk1Sqrz3hqP X-Spamd-Bar: ---- X-ThisMailContainsUnwantedMimeParts: N On Sat, Feb 18, 2023 at 09:46:43PM +0100, Miroslav Lachman wrote: >I don't know about any generic way, but you can put some shell code into >/etc/periodic.conf to exit if load is too high > >Just a quick and dirty example, exit if 5 minutes avg is higher than 1.1: > >avg5load=$(top | awk '/load averages:/ { load=$7+0; if (load > 1.1) { >print "HIGH" } }') >echo $avg5load >if [ "$avg5load" = "HIGH" ]; then > echo "CPU load is too high" > exit 5 >fi Many thanks for this. I didn't know one could put scripting into periodic.conf! --