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Details of sys-apps/likwid:

Description: A performance-oriented tool suite for x86 multicore environments
Homepage: https://github.com/rrze-likwid/likwid

available versions:

releases	alpha	amd64	arm	hppa	ia64	mips	ppc	ppc64	ppc macos	s390	sh	sparc	x86	USE-Flags	dependencies	ebuild warnings
likwid-5.2.2	-	~	-	-	-	-	-	-	-	-	-	-	-	fortran	show	To enable users to access performance counters it is necessary to change the access permissions to /dev/cpu/msr[0]* devices. It can be accomplished by adding the following line to file /etc/udev/rules.d/99-myrules.rules: KERNEL==\ Alternatively, assign the MSR files to a unique group and use mode 0660 show
likwid-5.2.1	-	~	-	-	-	-	-	-	-	-	-	-	-	fortran	show	To enable users to access performance counters it is necessary to change the access permissions to /dev/cpu/msr[0]* devices. It can be accomplished by adding the following line to file /etc/udev/rules.d/99-myrules.rules: KERNEL==\ Alternatively, assign the MSR files to a unique group and use mode 0660 show
likwid-4.3.4	-	~	-	-	-	-	-	-	-	-	-	-	-	fortran	show	To enable users to access performance counters it is necessary to change the access permissions to /dev/cpu/msr[0]* devices. It can be accomplished by adding the following line to file /etc/udev/rules.d/99-myrules.rules: KERNEL==\ Alternatively, assign the MSR files to a unique group and use mode 0660 show

releases

alpha

amd64

arm

hppa

ia64

mips

ppc

ppc64

ppc macos

s390

sparc

x86

USE-Flags

dependencies

ebuild warnings

likwid-5.2.2

fortran

To enable users to access performance counters it is necessary to
change the access permissions to /dev/cpu/msr[0]* devices.
It can be accomplished by adding the following line to file
/etc/udev/rules.d/99-myrules.rules: KERNEL==\
Alternatively, assign the MSR files to a unique group and use mode 0660

show

likwid-5.2.1

fortran

To enable users to access performance counters it is necessary to
change the access permissions to /dev/cpu/msr[0]* devices.
It can be accomplished by adding the following line to file
/etc/udev/rules.d/99-myrules.rules: KERNEL==\
Alternatively, assign the MSR files to a unique group and use mode 0660

show

likwid-4.3.4

fortran

To enable users to access performance counters it is necessary to
change the access permissions to /dev/cpu/msr[0]* devices.
It can be accomplished by adding the following line to file
/etc/udev/rules.d/99-myrules.rules: KERNEL==\
Alternatively, assign the MSR files to a unique group and use mode 0660

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