add memory counter for virtual memory management

[thien-lm]

based on this issue:
Project-HAMi/HAMi#1196

i've check source code of NCCL and it use cuMemCreate frequently. So i tried to make Hami core count that ammount of mem.

[hami-robot]

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• 4ef030b add memory counter for virtual memory management

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[hami-robot]

Welcome @thien-lm! It looks like this is your first PR to Project-HAMi/HAMi-core 🎉

[archlitchi]

hi, please sign-off your commit and resolve the conflict, i'm ready to integrate