support disk usage metrics for containerd factory #2288

Job	Run time
test-integration (1.22, ubuntu-20.04, build/config/plain.sh)	2m 28s
test-integration (1.22, ubuntu-20.04, build/config/plain.sh)	2m 28s
test (1.22, ubuntu-20.04, build/config/plain.sh)	14s
test (1.22, ubuntu-20.04, build/config/plain.sh)	7s
test-integration (1.22, ubuntu-20.04, build/config/libpfm4.sh)	2m 35s
test-integration (1.22, ubuntu-20.04, build/config/libpfm4.sh)	2m 35s
test (1.22, ubuntu-20.04, build/config/libpfm4.sh)	26s
test (1.22, ubuntu-20.04, build/config/libpfm4.sh)	21s
test-integration (1.22, ubuntu-20.04, build/config/libipmctl.sh)	2m 24s
test-integration (1.22, ubuntu-20.04, build/config/libipmctl.sh)	2m 24s
test (1.22, ubuntu-20.04, build/config/libipmctl.sh)	15s
test (1.22, ubuntu-20.04, build/config/libipmctl.sh)	19s
test-integration (1.21, ubuntu-20.04, build/config/plain.sh)	2m 21s
test-integration (1.21, ubuntu-20.04, build/config/plain.sh)	2m 21s
test (1.21, ubuntu-20.04, build/config/plain.sh)	10s
test (1.21, ubuntu-20.04, build/config/plain.sh)	9s
test-integration (1.21, ubuntu-20.04, build/config/libpfm4.sh)	2m 29s
test-integration (1.21, ubuntu-20.04, build/config/libpfm4.sh)	2m 29s
test (1.21, ubuntu-20.04, build/config/libpfm4.sh)	25s
test (1.21, ubuntu-20.04, build/config/libpfm4.sh)	23s
test-integration (1.21, ubuntu-20.04, build/config/libipmctl.sh)	2m 33s
test-integration (1.21, ubuntu-20.04, build/config/libipmctl.sh)	2m 33s
test (1.21, ubuntu-20.04, build/config/libipmctl.sh)	17s
test (1.21, ubuntu-20.04, build/config/libipmctl.sh)	19s
	33m 5s

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