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5 changes: 2 additions & 3 deletions collector/cpu_linux.go
Original file line number Diff line number Diff line change
Expand Up @@ -19,15 +19,14 @@ import (
"errors"
"fmt"
"log/slog"
"maps"
"os"
"path/filepath"
"regexp"
"slices"
"strconv"
"sync"

"golang.org/x/exp/maps"

"github.com/alecthomas/kingpin/v2"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/procfs"
Expand Down Expand Up @@ -488,7 +487,7 @@ func (c *cpuCollector) updateCPUStats(newStats map[int64]procfs.CPUStat) {

// Remove offline CPUs.
if len(newStats) != len(c.cpuStats) {
onlineCPUIds := maps.Keys(newStats)
onlineCPUIds := slices.Collect(maps.Keys(newStats))
maps.DeleteFunc(c.cpuStats, func(key int64, item procfs.CPUStat) bool {
return !slices.Contains(onlineCPUIds, key)
})
Expand Down
9 changes: 4 additions & 5 deletions go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -27,17 +27,16 @@ require (
github.com/prometheus/exporter-toolkit v0.15.0
github.com/prometheus/procfs v0.19.2
github.com/safchain/ethtool v0.7.0
golang.org/x/exp v0.0.0-20250911091902-df9299821621
golang.org/x/sys v0.38.0
golang.org/x/sys v0.40.0
howett.net/plist v1.0.1
)

require (
cyphar.com/go-pathrs v0.2.1 // indirect
cyphar.com/go-pathrs v0.2.2 // indirect
github.com/alecthomas/units v0.0.0-20240927000941-0f3dac36c52b // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.3.0 // indirect
github.com/cyphar/filepath-securejoin v0.6.0 // indirect
github.com/cyphar/filepath-securejoin v0.6.1 // indirect
github.com/dennwc/ioctl v1.0.0 // indirect
github.com/google/go-cmp v0.7.0 // indirect
github.com/jpillora/backoff v1.0.0 // indirect
Expand All @@ -55,7 +54,7 @@ require (
golang.org/x/crypto v0.45.0 // indirect
golang.org/x/net v0.47.0 // indirect
golang.org/x/oauth2 v0.32.0 // indirect
golang.org/x/sync v0.18.0 // indirect
golang.org/x/sync v0.19.0 // indirect
golang.org/x/text v0.31.0 // indirect
golang.org/x/time v0.13.0 // indirect
google.golang.org/protobuf v1.36.10 // indirect
Expand Down
18 changes: 8 additions & 10 deletions go.sum
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
cyphar.com/go-pathrs v0.2.1 h1:9nx1vOgwVvX1mNBWDu93+vaceedpbsDqo+XuBGL40b8=
cyphar.com/go-pathrs v0.2.1/go.mod h1:y8f1EMG7r+hCuFf/rXsKqMJrJAUoADZGNh5/vZPKcGc=
cyphar.com/go-pathrs v0.2.2 h1:y9w7hxbkr3zEL78Fjzeg4HEhs2xNy+fbwHiHGJJY2Xo=
cyphar.com/go-pathrs v0.2.2/go.mod h1:y8f1EMG7r+hCuFf/rXsKqMJrJAUoADZGNh5/vZPKcGc=
github.com/alecthomas/kingpin/v2 v2.4.0 h1:f48lwail6p8zpO1bC4TxtqACaGqHYA22qkHjHpqDjYY=
github.com/alecthomas/kingpin/v2 v2.4.0/go.mod h1:0gyi0zQnjuFk8xrkNKamJoyUo382HRL7ATRpFZCw6tE=
github.com/alecthomas/units v0.0.0-20240927000941-0f3dac36c52b h1:mimo19zliBX/vSQ6PWWSL9lK8qwHozUj03+zLoEB8O0=
Expand All @@ -14,8 +14,8 @@ github.com/cilium/ebpf v0.19.0 h1:Ro/rE64RmFBeA9FGjcTc+KmCeY6jXmryu6FfnzPRIao=
github.com/cilium/ebpf v0.19.0/go.mod h1:fLCgMo3l8tZmAdM3B2XqdFzXBpwkcSTroaVqN08OWVY=
github.com/coreos/go-systemd/v22 v22.6.0 h1:aGVa/v8B7hpb0TKl0MWoAavPDmHvobFe5R5zn0bCJWo=
github.com/coreos/go-systemd/v22 v22.6.0/go.mod h1:iG+pp635Fo7ZmV/j14KUcmEyWF+0X7Lua8rrTWzYgWU=
github.com/cyphar/filepath-securejoin v0.6.0 h1:BtGB77njd6SVO6VztOHfPxKitJvd/VPT+OFBFMOi1Is=
github.com/cyphar/filepath-securejoin v0.6.0/go.mod h1:A8hd4EnAeyujCJRrICiOWqjS1AX0a9kM5XL+NwKoYSc=
github.com/cyphar/filepath-securejoin v0.6.1 h1:5CeZ1jPXEiYt3+Z6zqprSAgSWiggmpVyciv8syjIpVE=
github.com/cyphar/filepath-securejoin v0.6.1/go.mod h1:A8hd4EnAeyujCJRrICiOWqjS1AX0a9kM5XL+NwKoYSc=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
Expand Down Expand Up @@ -115,18 +115,16 @@ go.yaml.in/yaml/v2 v2.4.3 h1:6gvOSjQoTB3vt1l+CU+tSyi/HOjfOjRLJ4YwYZGwRO0=
go.yaml.in/yaml/v2 v2.4.3/go.mod h1:zSxWcmIDjOzPXpjlTTbAsKokqkDNAVtZO0WOMiT90s8=
golang.org/x/crypto v0.45.0 h1:jMBrvKuj23MTlT0bQEOBcAE0mjg8mK9RXFhRH6nyF3Q=
golang.org/x/crypto v0.45.0/go.mod h1:XTGrrkGJve7CYK7J8PEww4aY7gM3qMCElcJQ8n8JdX4=
golang.org/x/exp v0.0.0-20250911091902-df9299821621 h1:2id6c1/gto0kaHYyrixvknJ8tUK/Qs5IsmBtrc+FtgU=
golang.org/x/exp v0.0.0-20250911091902-df9299821621/go.mod h1:TwQYMMnGpvZyc+JpB/UAuTNIsVJifOlSkrZkhcvpVUk=
golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
golang.org/x/oauth2 v0.32.0 h1:jsCblLleRMDrxMN29H3z/k1KliIvpLgCkE6R8FXXNgY=
golang.org/x/oauth2 v0.32.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
golang.org/x/sync v0.18.0 h1:kr88TuHDroi+UVf+0hZnirlk8o8T+4MrK6mr60WkH/I=
golang.org/x/sync v0.18.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
golang.org/x/sys v0.0.0-20201204225414-ed752295db88/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20211031064116-611d5d643895/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=
golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM=
golang.org/x/time v0.13.0 h1:eUlYslOIt32DgYD6utsuUeHs4d7AsEYLuIAdg7FlYgI=
Expand Down
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