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Details of sys-process/iotop:

Description: Top-like UI used to show which process is using the I/O
Homepage: http://guichaz.free.fr/iotop/

available versions:

releases	alpha	amd64	arm	hppa	ia64	mips	ppc	ppc64	ppc macos	s390	sh	sparc	x86	USE-Flags	dependencies	ebuild warnings
iotop-0.6_p20230124	-	+	+	~	-	~	+	+	-	-	-	+	+	none	show	Since Linux 5.14, sysctl kernel.task_delayacct should be enabled This can be enabled by running: 'sysctl kernel.task_delayacct=1' And can be made persistent by adding 'kernel.task_delayacct = 1' to ${EROOT}/etc/sysctl.conf show

releases

alpha

amd64

arm

hppa

ia64

mips

ppc

ppc64

ppc macos

s390

sparc

x86

USE-Flags

dependencies

ebuild warnings

iotop-0.6_p20230124

none

Since Linux 5.14, sysctl kernel.task_delayacct should be enabled
This can be enabled by running: 'sysctl kernel.task_delayacct=1' 
And can be made persistent by adding 'kernel.task_delayacct = 1' to ${EROOT}/etc/sysctl.conf

show

Legend:
+ stable
~ testing
- not available
some ebuild warning depend on specific use-flags or architectures, all ebuild-warnings are shown.

Tutorials:
no tutorial found