hello,everyone!
These days, I am trying to do dvfs experiment.Now,I have some questions about
it.
1 Could you tell me whether there is some benchmarks in DVFS-enabled Linux
kernel : linux-linaro-tracking-gem5 ? If no ,how to run a
already-complied-gem5 bench, like bbench or spec?
2 When I was use this command
command line: ./build/ARM/gem5.opt --debug-flags=DVFS,EnergyCtrl
--debug-file=dfvs_debug.log --stats-file=ValS7505.2percore-stats.txt
configs/example/fs.py --cpu-type=AtomicSimpleCPU -n 2
--machine-type=VExpress_EMM
--kernel=/home/jinsong/gem5/linux-linaro-tracking-gem5/vmlinux
--dtb-filename=/home/jinsong/gem5/linux-linaro-tracking-gem5/arch/arm/boot/dts/vexpress-v2p-ca15-tc1-gem5_dvfs_per_core_2cpus.dtb
--disk-image=/home/jinsong/gem5/dist/disks/arm-ubuntu-natty-headless.img
'--cpu-clock=[1 GHz,750 MHz,500 MHz]' -b ValStreamScale
In this command ,I add -b ValStreamScale.When I run this command and into the
m5term ,I find I can't set the options of the DVFS and the <login> interface
did not appear. Why this happens and how can I solve it
the m5term 3456 shows :
...
input: touchkitPS/2 eGalax Touchscreen as
/devices/smb.14/motherboard.15/iofpga.17/1c070000.kmi/serio1/input/input2
VFS: Mounted root (ext2 filesystem) on device 8:1.
Freeing unused kernel memory: 284K (805f5000 - 8063c000)
init started: BusyBox v1.15.3 (2010-05-07 01:27:07 BST)
starting pid 655, tty '': '/etc/rc.d/rc.local'
warning: can't open /etc/mtab: No such file or directory
Thu Jan 1 00:00:02 UTC 2009
S: devpts
Thu Jan 1 00:00:02 UTC 2009
/tmp/script: line 1: /benchmarks/micros/simstreamscale: not found
jinsong@ubuntu:~/gem5$
thanks for any help !
BingLiang
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