Date: Mon, 30 Jan 2023 07:27:16 -0600 From: Mike Karels <mike@karels.net> To: Nikos Vassiliadis <nvass@gmx.com> Cc: freebsd-stable@freebsd.org Subject: Re: Kernel is using a lot of CPU (was: Re: test) Message-ID: <EBF9C905-A592-4581-8C5E-734A8C2D7DCA@karels.net> In-Reply-To: <trinity-d7db87d6-5445-4a50-9bdb-eb7ea77dc5d4-1675076583253@3c-app-mailcom-bs08> References: <trinity-56f92d83-ab43-4da3-afb9-84b2d681fc81-1675076290963@3c-app-mailcom-bs08> <trinity-d7db87d6-5445-4a50-9bdb-eb7ea77dc5d4-1675076583253@3c-app-mailcom-bs08>
next in thread | previous in thread | raw e-mail | index | archive | help
On 30 Jan 2023, at 5:03, Nikos Vassiliadis wrote: >> Hi, >> >> I just rebooted a system of mine and it seems that the kernel is const= antly doing something. How could I debug this? >> I am thinking of rebooting it tonight >> >> root@aurora:~ # top -S -b >> last pid: 2196; load averages: 1.00, 1.00, 1.00 up 0+01:54:34 = 12:41:35 >> 72 processes: 2 running, 69 sleeping, 1 waiting >> CPU: 0.0% user, 0.0% nice, 24.6% system, 0.0% interrupt, 75.3% idle= >> Mem: 46M Active, 171M Inact, 1429M Wired, 14G Free >> ARC: 919M Total, 354M MFU, 487M MRU, 6912K Anon, 8726K Header, 63M Oth= er >> 234M Compressed, 610M Uncompressed, 2.60:1 Ratio >> Swap: 16G Total, 16G Free >> >> PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU= COMMAND >> 11 root 4 155 ki31 0B 64K RUN 0 345:06 314.31%= idle >> 0 root 49 -16 - 0B 784K swapin 1 112:27 99.85%= kernel >> 30 root 319 -16 - 0B 5120K spa->s 3 0:06 0.00%= zpool-aurora-os >> 1157 root 1 20 0 176M 150M select 2 0:05 0.00%= smbd >> 1154 root 1 20 0 175M 150M select 2 0:05 0.00%= smbd >> >> This is a 12.4-RELEASE system. >> >> Thanks for any ideas, >> Nikos >> >> >> > > Sending the email again with the correct subject You could add -H to the top command, which will show kernel threads withi= n the kernel process. Mike
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?EBF9C905-A592-4581-8C5E-734A8C2D7DCA>