** Description changed:
+ [Steps to Reproduce]
+ $ lxc launch ubuntu-daily:24.10/amd64 iotop-fix-lp2111673-oracular --vm
--config limits.memory=16GB --device root,size=50GB --profile standard
+ $ lxc exec iotop-fix-lp2111673-oracular -- bash
+ # apt-get -y install iotop
+ # apt-cache policy iotop | grep Installed:
+ Installed: 0.6-42-ga14256a-0.2build1
+ # which iotop-py
+ /usr/sbin/iotop-py
+ # uname -a
+ Linux iotop-fix-lp2111673-oracular 6.11.0-26-generic #26-Ubuntu SMP
PREEMPT_DYNAMIC Sat Apr 12 11:25:41 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
+ # iotop-py -o
+ Total DISK READ: 0.00 B/s | Total DISK WRITE: 0.00 B/s
+ Current DISK READ: 0.00 B/s | Current DISK WRITE: 0.00 B/s
+ TID PRIO USER DISK READ DISK WRITE> COMMAND
+
+ ---
+
+ $ lxc launch ubuntu-daily:25.04/amd64 iotop-fix-lp2111673-plucky --vm
--config limits.memory=16GB --device root,size=50GB --profile standard
+ $ lxc exec iotop-fix-lp2111673-plucky -- bash
+ # apt-get -y install iotop
+ # apt-cache policy iotop | grep Installed:
+ Installed: 0.6-42-ga14256a-0.3build1
+ # which iotop-py
+ /usr/sbin/iotop-py
+ # uname -a
+ Linux iotop-fix-lp2111673-plucky 6.14.0-15-generic #15-Ubuntu SMP
PREEMPT_DYNAMIC Sun Apr 6 15:05:05 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
+ # iotop-py -o
+ Total DISK READ: 0.00 B/s | Total DISK WRITE: 0.00 B/s
+ Current DISK READ: 0.00 B/s | Current DISK WRITE: 0.00 B/s
+ TID PRIO USER DISK READ DISK WRITE> COMMAND
+ 1596 be/4 root 0.00 B/s 0.00 B/s python3 /usr/sbin/iotop-py -o
+
+
+ [Original Report]
Distribution: Kubuntu 25.04
Package: 0.6-42-ga14256a-0.3build1
Description:
In mode "only show processes actually doing IO", iotop nearly only shows
processes, but no attached IO.
This could be related to a kernel change in struct taskstats (
https://bugzilla.kernel.org/show_bug.cgi?id=220102 )
On Kubuntu 24.10, everything seems to work. Interestingly, on openSUSE TW
(which has recent kernel as well) iotop behaves the same as in Kubuntu 25.04
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https://bugs.launchpad.net/bugs/2111673
Title:
iotop-py does not show IO values
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