|
Hi all, I have
done kernel build with dom0_vp mode open to compare with it close. The specific
data as following: Environment : Memory:768M Platform : tiger4 Cpu : Montecito C1 stepping Compile cmdline : time make >/dev/null 2>&1 Configuration file : @arch/ia64/config/tiger_defconfig time
Real user sys Cset 10027 (with dom0_vp open): 14m48.377s 13m43.960s 0m51.670s Cset 10022 (with dom0_vp closed): 14m5.752s 13m13.200s 0m39.260s Native :
13m55.572s 13m4.366s 0m35.205s Performance : Cset 10022: dom0/native =98.7% Cset 10027:dom0/native=94.1% From the result, we can see when dom0_vp mode open,
the performance of KB has 4.6% degradation. Thanks Zhang Jingke |
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