Date: Mon, 22 Mar 2021 15:15:17 GMT From: Martin Simmons <martin@lispworks.com> To: Mathieu Chouquet-Stringer <me+freebsd@mathieu.digital> Cc: freebsd-fs@freebsd.org Subject: Re: Scrub incredibly slow with 13.0-RC3 (as well as RC1 & 2) Message-ID: <202103221515.12MFFHRK015188@higson.cam.lispworks.com> In-Reply-To: <YFhuxr0qRzchA7x8@weirdfishes> (message from Mathieu Chouquet-Stringer on Mon, 22 Mar 2021 11:17:42 %2B0100) References: <YFhuxr0qRzchA7x8@weirdfishes>
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>>>>> On Mon, 22 Mar 2021 11:17:42 +0100, Mathieu Chouquet-Stringer said: > > PID USER PRI NI VIRT RES S CPU% MEM% TIME+ Command > 0 root -16 0 0 12976 S 22.5 0.0 9h45:36 kernel > 1 root 24 0 11824 32 S 0.0 0.0 0:00.36 /sbin/init > 3453 root 20 0 17668 2224 S 0.0 0.0 0:00.48 /usr/local/sbin/smartd -A /usr/local/ > 3974 root 52 0 12892 48 S 0.0 0.0 0:00.00 /usr/libexec/getty Pc ttyv0 > 4973 root 52 0 12892 48 S 0.0 0.0 0:00.00 /usr/libexec/getty Pc ttyv1 > 5618 root 52 0 12892 48 S 0.0 0.0 0:00.00 /usr/libexec/getty Pc ttyv2 > 5974 root 52 0 12892 48 S 0.0 0.0 0:00.00 /usr/libexec/getty Pc ttyv3 > 6320 root 52 0 12892 48 S 0.0 0.0 0:00.00 /usr/libexec/getty Pc ttyv4 > 6386 root 20 0 39188 2932 S 0.0 0.0 0:00.65 /usr/local/sbin/nmbd --daemon --confi > > Any idea how I could help debug that? You could try: procstat -kk 0 to get an overview of what the kernel threads are doing. __Martin
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