<div dir="ltr">
OS: Ubuntu 20.04<br><br>$ systemctl --version<br>systemd 245 (245.4-4ubuntu3.19)<br>+PAM
+AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP
+GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN
+PCRE2 default-hierarchy=hybrid<br><br>systemd-cgtop always has "-" in both Input/s and Output/s columns. There are no spikes, even under a high disk load.<br>I was testing it with "dd if=/dev/sda of=/dev/null". Here's the output:<br><br>Control Group Tasks %CPU Memory Input/s Output/s<br>/ 214 101.5 3.7G - -<br>user.slice 15 99.6 2.9G - -<br>system.slice 97 0.4 95.4M - -<br><br>I tried the following settings in /etc/systemd/system.conf:<br>DefaultIOAccounting=yes<br>DefaultBlockIOAccounting=yes<br><br>But it didn't help.<br>Any help would be appreciated.<br><br>--<br><div>Vladimir Mokrozub <br></div><div><br></div></div>