memory.Cached undefined about go-osstat HOT 5 CLOSED

go env

GO111MODULE=""
GOARCH="arm64"
GOBIN=""
GOCACHE="/Users/xr/Library/Caches/go-build"
GOENV="/Users/xr/Library/Application Support/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="arm64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/xr/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="/Users/xr/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.com.cn,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_arm64"
GOVCS=""
GOVERSION="go1.18.4"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/dev/null"
GOWORK=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -arch arm64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/y1/f3spxtcx0d75kn580grz4_cc0000gn/T/go-build3152992172=/tmp/go-build -gno-record-gcc-switches -fno-common"
➜  Downloads


go-osstat git:(master) go run ./cmd/osstat
loadavg.1m                2.15869140625  -
loadavg.5m                2.0712890625   -
loadavg.15m               2.1865234375   -
uptime                    215162.564408  seconds
cpu.user                  8565247        -
cpu.system                5371174        -
cpu.idle                  96873647       -
cpu.total                 110810068      -
memory.total              16401940480    bytes
memory.used               11456020480    bytes
memory.cached             4824072192     bytes
memory.free               121847808      bytes
memory.active             6091259904     bytes
memory.inactive           6061080576     bytes
memory.swap_total         2147483648     bytes
memory.swap_used          950009856      bytes
memory.swap_free          1197473792     bytes
network.gif0.rx_bytes     0              bytes
network.gif0.tx_bytes     0              bytes
network.stf0.rx_bytes     0              bytes
network.stf0.tx_bytes     0              bytes
network.anpi1.rx_bytes    0              bytes
network.anpi1.tx_bytes    0              bytes
network.anpi0.rx_bytes    0              bytes
network.anpi0.tx_bytes    0              bytes
network.ap1.rx_bytes      0              bytes
network.ap1.tx_bytes      0              bytes
network.en3.rx_bytes      0              bytes
network.en3.tx_bytes      0              bytes
network.en4.rx_bytes      0              bytes
network.en4.tx_bytes      0              bytes
network.en1.rx_bytes      0              bytes
network.en1.tx_bytes      0              bytes
network.en2.rx_bytes      0              bytes
network.en2.tx_bytes      0              bytes
network.en0.rx_bytes      41259956206    bytes
network.en0.tx_bytes      727838851      bytes
network.awdl0.rx_bytes    21218          bytes
network.awdl0.tx_bytes    169579         bytes
network.bridge0.rx_bytes  0              bytes
network.bridge0.tx_bytes  0              bytes
network.llw0.rx_bytes     0              bytes
network.llw0.tx_bytes     0              bytes
network.utun0.rx_bytes    0              bytes
network.utun0.tx_bytes    520            bytes
network.utun1.rx_bytes    0              bytes
network.utun1.tx_bytes    520            bytes
network.utun2.rx_bytes    0              bytes
network.utun2.tx_bytes    520            bytes
network.utun3.rx_bytes    496            bytes
network.utun3.tx_bytes    10936          bytes
network.utun4.rx_bytes    0              bytes
network.utun4.tx_bytes    520            bytes
➜  go-osstat git:(master)