refactor(metrics): optimize and simplify system info; add gopsutil as submodule

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "internal/gopsutil"]
+	path = internal/gopsutil
+	url = git@github.com:godoxy-app/gopsutil.git

agent/go.mod

@@ -8,12 +8,10 @@ replace github.com/yusing/godoxy/socketproxy => ../socket-proxy
 
 replace github.com/yusing/godoxy/internal/utils => ../internal/utils
 
-replace github.com/shirou/gopsutil/v4 => github.com/godoxy-app/gopsutil/v4 v4.0.0-20250926133131-7ef260e41a49
+replace github.com/shirou/gopsutil/v4 => ../internal/gopsutil
 
 exclude github.com/containerd/nerdctl/mod/tigron v0.0.0
 
-exclude github.com/yusing/goutils v0.4.2
-
 require (
 	github.com/bytedance/sonic v1.14.1
 	github.com/gin-gonic/gin v1.11.0
@@ -23,7 +21,7 @@ require (
 	github.com/stretchr/testify v1.11.1
 	github.com/yusing/godoxy v0.18.6
 	github.com/yusing/godoxy/socketproxy v0.0.0-00010101000000-000000000000
-	github.com/yusing/goutils v0.4.1
+	github.com/yusing/goutils v0.5.2
 )
 
 require (
@@ -33,7 +31,6 @@ require (
 	github.com/andybalholm/cascadia v1.3.3 // indirect
 	github.com/bytedance/gopkg v0.1.3 // indirect
 	github.com/bytedance/sonic/loader v0.3.0 // indirect
-	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
 	github.com/cloudwego/base64x v0.1.6 // indirect
 	github.com/containerd/errdefs v1.0.0 // indirect
 	github.com/containerd/errdefs/pkg v0.3.0 // indirect

agent/go.sum

@@ -86,8 +86,6 @@ github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PU
 github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw=
 github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-github.com/godoxy-app/gopsutil/v4 v4.0.0-20250926133131-7ef260e41a49 h1:DqfJHUG+96pLB1FM7O3E7rq7Ilx+p7Zt2n2OyqToUH8=
-github.com/godoxy-app/gopsutil/v4 v4.0.0-20250926133131-7ef260e41a49/go.mod h1:Ks7ccJvOucVh3BbyyvPApw93nefgMYXrieZvLJdex+w=
 github.com/golang-jwt/jwt/v5 v5.3.0 h1:pv4AsKCKKZuqlgs5sUmn4x8UlGa0kEVt/puTpKx9vvo=
 github.com/golang-jwt/jwt/v5 v5.3.0/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
@@ -210,8 +208,8 @@ github.com/yusing/ds v0.2.0 h1:lPhDU5eA2uvquVrBrzLCrQXRJJgSXlUYA53TbuK2sQY=
 github.com/yusing/ds v0.2.0/go.mod h1:XhKV4l7cZwBbbl7lRzNC9zX27zvCM0frIwiuD40ULRk=
 github.com/yusing/gointernals v0.1.16 h1:GrhZZdxzA+jojLEqankctJrOuAYDb7kY1C93S1pVR34=
 github.com/yusing/gointernals v0.1.16/go.mod h1:B/0FVXt4WPmgzVy3ynzkqKi+BSGaJVmwCJBRXYapo34=
-github.com/yusing/goutils v0.4.1 h1:80uFNxXfm4zXMYDku0rWMLyqEiXO0UOMFOaUC4b/6fI=
+github.com/yusing/goutils v0.5.2 h1:h3Xbz3buTqH3SaL3LPdd/4wgNIQXcnHjNvCIlhOr5B0=
-github.com/yusing/goutils v0.4.1/go.mod h1:xsoLWLtIiu7k+9Bn6azERDs5o3Djb3b2/DW1htHrOjg=
+github.com/yusing/goutils v0.5.2/go.mod h1:3dgYe/A3+8wT88/iAHwXdL44q5bP+qVo2WAOiPBqOrg=
 github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=
 github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
@@ -331,8 +329,8 @@ golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8T
 google.golang.org/genproto v0.0.0-20250908214217-97024824d090 h1:ywCL7vA2n3vVHyf+bx1ZV/knaTPRI8GIeKY0MEhEeOc=
 google.golang.org/genproto/googleapis/api v0.0.0-20250826171959-ef028d996bc1 h1:APHvLLYBhtZvsbnpkfknDZ7NyH4z5+ub/I0u8L3Oz6g=
 google.golang.org/genproto/googleapis/api v0.0.0-20250826171959-ef028d996bc1/go.mod h1:xUjFWUnWDpZ/C0Gu0qloASKFb6f8/QXiiXhSPFsD668=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250922171735-9219d122eba9 h1:V1jCN2HBa8sySkR5vLcCSqJSTMv093Rw9EJefhQGP7M=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251002232023-7c0ddcbb5797 h1:CirRxTOwnRWVLKzDNrs0CXAaVozJoR4G9xvdRecrdpk=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250922171735-9219d122eba9/go.mod h1:HSkG/KdJWusxU1F6CNrwNDjBMgisKxGnc5dAZfT0mjQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251002232023-7c0ddcbb5797/go.mod h1:HSkG/KdJWusxU1F6CNrwNDjBMgisKxGnc5dAZfT0mjQ=
 google.golang.org/grpc v1.75.1 h1:/ODCNEuf9VghjgO3rqLcfg8fiOP0nSluljWFlDxELLI=
 google.golang.org/grpc v1.75.1/go.mod h1:JtPAzKiq4v1xcAB2hydNlWI2RnF85XXcV0mhKXr2ecQ=
 google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=

go.mod

@@ -10,9 +10,7 @@ replace github.com/yusing/godoxy/internal/utils => ./internal/utils
 
 replace github.com/coreos/go-oidc/v3 => github.com/godoxy-app/go-oidc/v3 v3.0.0-20250816044348-0630187cb14b
 
-replace github.com/shirou/gopsutil/v4 => github.com/godoxy-app/gopsutil/v4 v4.0.0-20250926133131-7ef260e41a49
+replace github.com/shirou/gopsutil/v4 => ./internal/gopsutil
-
-exclude github.com/yusing/goutils v0.4.2
 
 require (
 	github.com/PuerkitoBio/goquery v1.10.3 // parsing HTML for extract fav icon
@@ -51,7 +49,7 @@ require (
 	github.com/yusing/godoxy/agent v0.0.0-20251002123031-4852efcf9c3d
 	github.com/yusing/godoxy/internal/dnsproviders v0.0.0-20251002123031-4852efcf9c3d
 	github.com/yusing/godoxy/internal/utils v0.1.0
-	github.com/yusing/goutils v0.4.1
+	github.com/yusing/goutils v0.5.2
 )
 
 require (

go.sum

@@ -945,8 +945,6 @@ github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7Lk
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/godoxy-app/go-oidc/v3 v3.0.0-20250816044348-0630187cb14b h1:gMLF8Nhbl86088Sugp/FFmT+fJu62GUAm+Pev6ZGTfo=
 github.com/godoxy-app/go-oidc/v3 v3.0.0-20250816044348-0630187cb14b/go.mod h1:x2nHY0TayhBzI25mgwp38Ru7xgGRId0FdaeqXeH8l90=
-github.com/godoxy-app/gopsutil/v4 v4.0.0-20250926133131-7ef260e41a49 h1:DqfJHUG+96pLB1FM7O3E7rq7Ilx+p7Zt2n2OyqToUH8=
-github.com/godoxy-app/gopsutil/v4 v4.0.0-20250926133131-7ef260e41a49/go.mod h1:Ks7ccJvOucVh3BbyyvPApw93nefgMYXrieZvLJdex+w=
 github.com/gofrs/flock v0.12.1 h1:MTLVXXHf8ekldpJk3AKicLij9MdwOWkZ+a/jHHZby9E=
 github.com/gofrs/flock v0.12.1/go.mod h1:9zxTsyu5xtJ9DK+1tFZyibEV7y3uwDxPPfbxeeHCoD0=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
@@ -1650,8 +1648,8 @@ github.com/yusing/ds v0.2.0 h1:lPhDU5eA2uvquVrBrzLCrQXRJJgSXlUYA53TbuK2sQY=
 github.com/yusing/ds v0.2.0/go.mod h1:XhKV4l7cZwBbbl7lRzNC9zX27zvCM0frIwiuD40ULRk=
 github.com/yusing/gointernals v0.1.16 h1:GrhZZdxzA+jojLEqankctJrOuAYDb7kY1C93S1pVR34=
 github.com/yusing/gointernals v0.1.16/go.mod h1:B/0FVXt4WPmgzVy3ynzkqKi+BSGaJVmwCJBRXYapo34=
-github.com/yusing/goutils v0.4.1 h1:80uFNxXfm4zXMYDku0rWMLyqEiXO0UOMFOaUC4b/6fI=
+github.com/yusing/goutils v0.5.2 h1:h3Xbz3buTqH3SaL3LPdd/4wgNIQXcnHjNvCIlhOr5B0=
-github.com/yusing/goutils v0.4.1/go.mod h1:xsoLWLtIiu7k+9Bn6azERDs5o3Djb3b2/DW1htHrOjg=
+github.com/yusing/goutils v0.5.2/go.mod h1:3dgYe/A3+8wT88/iAHwXdL44q5bP+qVo2WAOiPBqOrg=
 github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=
 github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 github.com/zeebo/assert v1.3.0/go.mod h1:Pq9JiuJQpG8JLJdtkwrJESF0Foym2/D9XMU5ciN/wJ0=

internal/dnsproviders/go.mod

@@ -155,7 +155,7 @@ require (
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
 	github.com/yusing/godoxy/internal/utils v0.1.0 // indirect
 	github.com/yusing/gointernals v0.1.16 // indirect
-	github.com/yusing/goutils v0.4.2 // indirect
+	github.com/yusing/goutils v0.5.2 // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.63.0 // indirect
 	go.opentelemetry.io/otel v1.38.0 // indirect

internal/dnsproviders/go.sum

@@ -1527,8 +1527,8 @@ github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 github.com/yusing/gointernals v0.1.16 h1:GrhZZdxzA+jojLEqankctJrOuAYDb7kY1C93S1pVR34=
 github.com/yusing/gointernals v0.1.16/go.mod h1:B/0FVXt4WPmgzVy3ynzkqKi+BSGaJVmwCJBRXYapo34=
-github.com/yusing/goutils v0.4.2 h1:JRC14SUJ54nTIHxi8Z66cHJSMlifsyKO1z8RZCHBkUI=
+github.com/yusing/goutils v0.5.2 h1:h3Xbz3buTqH3SaL3LPdd/4wgNIQXcnHjNvCIlhOr5B0=
-github.com/yusing/goutils v0.4.2/go.mod h1:67EfLJlq9WQfP/uRxm0dD+WFRsxTK0MzZG3jXOI3wX8=
+github.com/yusing/goutils v0.5.2/go.mod h1:3dgYe/A3+8wT88/iAHwXdL44q5bP+qVo2WAOiPBqOrg=
 github.com/zeebo/assert v1.3.0/go.mod h1:Pq9JiuJQpG8JLJdtkwrJESF0Foym2/D9XMU5ciN/wJ0=
 github.com/zeebo/xxh3 v1.0.2/go.mod h1:5NWz9Sef7zIDm2JHfFlcQvNekmcEl9ekUZQQKCYaDcA=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=

internal/metrics/period/poller.go

@@ -2,7 +2,6 @@ package period
 
 import (
 	"context"
-	"encoding/json"
 	"fmt"
 	"net/url"
 	"os"
@@ -18,10 +17,10 @@ import (
 )
 
 type (
-	PollFunc[T any]                                 func(ctx context.Context, lastResult T) (T, error)
+	PollFunc[T any]                      func(ctx context.Context, lastResult T) (T, error)
-	AggregateFunc[T any, AggregateT json.Marshaler] func(entries []T, query url.Values) (total int, result AggregateT)
+	AggregateFunc[T any, AggregateT any] func(entries []T, query url.Values) (total int, result AggregateT)
-	FilterFunc[T any]                               func(entries []T, keyword string) (filtered []T)
+	FilterFunc[T any]                    func(entries []T, keyword string) (filtered []T)
-	Poller[T any, AggregateT json.Marshaler]        struct {
+	Poller[T any, AggregateT any]        struct {
 		name         string
 		poll         PollFunc[T]
 		aggregate    AggregateFunc[T, AggregateT]
@@ -55,7 +54,7 @@ func initDataDir() {
 	}
 }
 
-func NewPoller[T any, AggregateT json.Marshaler](
+func NewPoller[T any, AggregateT any](
 	name string,
 	poll PollFunc[T],
 	aggregator AggregateFunc[T, AggregateT],

internal/metrics/systeminfo/json.go

@@ -1,183 +0,0 @@
-package systeminfo
-
-import (
-	"fmt"
-	"strconv"
-)
-
-// explicitly implement MarshalJSON to avoid reflection.
-func (s *SystemInfo) MarshalJSON() ([]byte, error) {
-	b := make([]byte, 0, 4096)
-
-	b = append(b, '{')
-
-	// timestamp
-	b = append(b, `"timestamp":`...)
-	b = strconv.AppendInt(b, s.Timestamp, 10)
-
-	// cpu_average
-	b = append(b, `,"cpu_average":`...)
-	if s.CPUAverage != nil {
-		b = strconv.AppendFloat(b, *s.CPUAverage, 'f', 2, 64)
-	} else {
-		b = append(b, "null"...)
-	}
-
-	// memory
-	b = append(b, `,"memory":`...)
-	if s.Memory != nil {
-		b = fmt.Appendf(b,
-			`{"total":%d,"available":%d,"used":%d,"used_percent":%.2f}`,
-			s.Memory.Total,
-			s.Memory.Available,
-			s.Memory.Used,
-			s.Memory.UsedPercent,
-		)
-	} else {
-		b = append(b, "null"...)
-	}
-
-	// disk
-	b = append(b, `,"disks":`...)
-	if len(s.Disks) > 0 {
-		b = append(b, '{')
-		first := true
-		for device, disk := range s.Disks {
-			if !first {
-				b = append(b, ',')
-			}
-			b = fmt.Appendf(b,
-				`%q:{"device":%q,"path":%q,"fstype":%q,"total":%d,"free":%d,"used":%d,"used_percent":%.2f}`,
-				device,
-				device,
-				disk.Path,
-				disk.Fstype,
-				disk.Total,
-				disk.Free,
-				disk.Used,
-				disk.UsedPercent,
-			)
-			first = false
-		}
-		b = append(b, '}')
-	} else {
-		b = append(b, "null"...)
-	}
-
-	// disks_io
-	b = append(b, `,"disks_io":`...)
-	if len(s.DisksIO) > 0 {
-		b = append(b, '{')
-		first := true
-		for name, usage := range s.DisksIO {
-			if !first {
-				b = append(b, ',')
-			}
-			b = fmt.Appendf(b,
-				`%q:{"name":%q,"read_bytes":%d,"write_bytes":%d,"read_speed":%.2f,"write_speed":%.2f,"iops":%d}`,
-				name,
-				name,
-				usage.ReadBytes,
-				usage.WriteBytes,
-				usage.ReadSpeed,
-				usage.WriteSpeed,
-				usage.Iops,
-			)
-			first = false
-		}
-		b = append(b, '}')
-	} else {
-		b = append(b, "null"...)
-	}
-
-	// network
-	b = append(b, `,"network":`...)
-	if s.Network != nil {
-		b = fmt.Appendf(b,
-			`{"bytes_sent":%d,"bytes_recv":%d,"upload_speed":%.2f,"download_speed":%.2f}`,
-			s.Network.BytesSent,
-			s.Network.BytesRecv,
-			s.Network.UploadSpeed,
-			s.Network.DownloadSpeed,
-		)
-	} else {
-		b = append(b, "null"...)
-	}
-
-	// sensors
-	b = append(b, `,"sensors":`...)
-	if len(s.Sensors) > 0 {
-		b = append(b, '[')
-		first := true
-		for _, sensor := range s.Sensors {
-			if !first {
-				b = append(b, ',')
-			}
-			b = fmt.Appendf(b,
-				`{"name":%q,"temperature":%.2f,"high":%.2f,"critical":%.2f}`,
-				sensor.SensorKey,
-				sensor.Temperature,
-				sensor.High,
-				sensor.Critical,
-			)
-			first = false
-		}
-		b = append(b, ']')
-	} else {
-		b = append(b, "null"...)
-	}
-
-	b = append(b, '}')
-	return b, nil
-}
-
-func (result Aggregated) MarshalJSON() ([]byte, error) {
-	if len(result.Entries) == 0 {
-		return []byte("[]"), nil
-	}
-
-	capacity := 10 * 1024
-	if result.Mode == SystemInfoAggregateModeSensorTemperature {
-		// give each sensor key 30 bytes per entry per sensor key
-		capacity = 30 * len(result.Entries) * len(result.Entries[0])
-	}
-	buf := make([]byte, 0, capacity)
-
-	buf = append(buf, '[')
-	i := 0
-	n := len(result.Entries)
-	for _, entry := range result.Entries {
-		buf = append(buf, '{')
-		j := 0
-		m := len(entry)
-		for k, v := range entry {
-			buf = append(buf, '"')
-			buf = append(buf, k...)
-			buf = append(buf, '"')
-			buf = append(buf, ':')
-			switch v := v.(type) {
-			case float64:
-				buf = strconv.AppendFloat(buf, v, 'f', 2, 64)
-			case int32:
-				buf = strconv.AppendInt(buf, int64(v), 10)
-			case int64:
-				buf = strconv.AppendInt(buf, v, 10)
-			case uint64:
-				buf = strconv.AppendUint(buf, v, 10)
-			default:
-				panic(fmt.Sprintf("unexpected type: %T", v))
-			}
-			if j != m-1 {
-				buf = append(buf, ',')
-			}
-			j++
-		}
-		buf = append(buf, '}')
-		if i != n-1 {
-			buf = append(buf, ',')
-		}
-		i++
-	}
-	buf = append(buf, ']')
-	return buf, nil
-}

internal/metrics/systeminfo/system_info.go

@@ -34,10 +34,10 @@ type (
 type SystemInfo struct {
 	Timestamp  int64                           `json:"timestamp"`
 	CPUAverage *float64                        `json:"cpu_average"`
-	Memory     *mem.VirtualMemoryStat          `json:"memory"`
+	Memory     mem.VirtualMemoryStat           `json:"memory"`
-	Disks      map[string]*disk.UsageStat      `json:"disks"`    // disk usage by partition
+	Disks      map[string]disk.UsageStat       `json:"disks"`    // disk usage by partition
 	DisksIO    map[string]*disk.IOCountersStat `json:"disks_io"` // disk IO by device
-	Network    *net.IOCountersStat             `json:"network"`
+	Network    net.IOCountersStat              `json:"network"`
 	Sensors    Sensors                         `json:"sensors"` // sensor temperature by key
 } // @name SystemInfo
 
@@ -165,8 +165,8 @@ func (s *SystemInfo) collectDisksInfo(ctx context.Context, lastResult *SystemInf
 		interval := since(lastResult.Timestamp)
 		for name, disk := range s.DisksIO {
 			if lastUsage, ok := lastResult.DisksIO[name]; ok {
-				disk.ReadSpeed = float64(disk.ReadBytes-lastUsage.ReadBytes) / float64(interval)
+				disk.ReadSpeed = float32(disk.ReadBytes-lastUsage.ReadBytes) / float32(interval)
-				disk.WriteSpeed = float64(disk.WriteBytes-lastUsage.WriteBytes) / float64(interval)
+				disk.WriteSpeed = float32(disk.WriteBytes-lastUsage.WriteBytes) / float32(interval)
 				disk.Iops = diff(disk.ReadCount+disk.WriteCount, lastUsage.ReadCount+lastUsage.WriteCount) / uint64(interval) //nolint:gosec
 			}
 		}
@@ -176,7 +176,7 @@ func (s *SystemInfo) collectDisksInfo(ctx context.Context, lastResult *SystemInf
 	if err != nil {
 		return err
 	}
-	s.Disks = make(map[string]*disk.UsageStat, len(partitions))
+	s.Disks = make(map[string]disk.UsageStat, len(partitions))
 	errs := gperr.NewBuilder("failed to get disks info")
 	for _, partition := range partitions {
 		diskInfo, err := disk.UsageWithContext(ctx, partition.Mountpoint)
@@ -203,9 +203,9 @@ func (s *SystemInfo) collectNetworkInfo(ctx context.Context, lastResult *SystemI
 	}
 	s.Network = networkIO[0]
 	if lastResult != nil {
-		interval := float64(since(lastResult.Timestamp))
+		interval := float32(since(lastResult.Timestamp))
-		s.Network.UploadSpeed = float64(networkIO[0].BytesSent-lastResult.Network.BytesSent) / interval
+		s.Network.UploadSpeed = float32(networkIO[0].BytesSent-lastResult.Network.BytesSent) / interval
-		s.Network.DownloadSpeed = float64(networkIO[0].BytesRecv-lastResult.Network.BytesRecv) / interval
+		s.Network.DownloadSpeed = float32(networkIO[0].BytesRecv-lastResult.Network.BytesRecv) / interval
 	}
 	return nil
 }
@@ -238,7 +238,7 @@ func aggregate(entries []*SystemInfo, query url.Values) (total int, result Aggre
 		}
 	case SystemInfoAggregateModeMemoryUsage:
 		for _, entry := range entries {
-			if entry.Memory != nil {
+			if entry.Memory.Used > 0 {
 				aggregated.Entries = append(aggregated.Entries, map[string]any{
 					"timestamp":    entry.Timestamp,
 					"memory_usage": entry.Memory.Used,
@@ -247,7 +247,7 @@ func aggregate(entries []*SystemInfo, query url.Values) (total int, result Aggre
 		}
 	case SystemInfoAggregateModeMemoryUsagePercent:
 		for _, entry := range entries {
-			if entry.Memory != nil {
+			if entry.Memory.UsedPercent > 0 {
 				aggregated.Entries = append(aggregated.Entries, map[string]any{
 					"timestamp":            entry.Timestamp,
 					"memory_usage_percent": entry.Memory.UsedPercent,
@@ -304,7 +304,7 @@ func aggregate(entries []*SystemInfo, query url.Values) (total int, result Aggre
 		}
 	case SystemInfoAggregateModeNetworkSpeed:
 		for _, entry := range entries {
-			if entry.Network == nil {
+			if entry.Network.BytesSent == 0 && entry.Network.BytesRecv == 0 {
 				continue
 			}
 			aggregated.Entries = append(aggregated.Entries, map[string]any{
@@ -315,7 +315,7 @@ func aggregate(entries []*SystemInfo, query url.Values) (total int, result Aggre
 		}
 	case SystemInfoAggregateModeNetworkTransfer:
 		for _, entry := range entries {
-			if entry.Network == nil {
+			if entry.Network.BytesRecv > 0 || entry.Network.BytesSent > 0 {
 				continue
 			}
 			aggregated.Entries = append(aggregated.Entries, map[string]any{

internal/metrics/systeminfo/system_info_test.go

@@ -6,10 +6,12 @@ import (
 	"reflect"
 	"testing"
 
+	"github.com/bytedance/sonic"
 	"github.com/shirou/gopsutil/v4/disk"
 	"github.com/shirou/gopsutil/v4/mem"
 	"github.com/shirou/gopsutil/v4/net"
 	"github.com/shirou/gopsutil/v4/sensors"
+	"github.com/yusing/goutils/num"
 	expect "github.com/yusing/goutils/testing"
 )
 
@@ -19,13 +21,13 @@ var (
 	testInfo = &SystemInfo{
 		Timestamp:  123456,
 		CPUAverage: &cpuAvg,
-		Memory: &mem.VirtualMemoryStat{
+		Memory: mem.VirtualMemoryStat{
 			Total:       16000000000,
 			Available:   8000000000,
 			Used:        8000000000,
 			UsedPercent: 50.0,
 		},
-		Disks: map[string]*disk.UsageStat{
+		Disks: map[string]disk.UsageStat{
 			"sda": {
 				Path:        "/",
 				Fstype:      "ext4",
@@ -48,20 +50,24 @@ var (
 				Name:       "media",
 				ReadBytes:  1000000,
 				WriteBytes: 2000000,
-				ReadSpeed:  100.5,
+				IOCountersStatExtra: disk.IOCountersStatExtra{
-				WriteSpeed: 200.5,
+					ReadSpeed:  100.5,
-				Iops:       1000,
+					WriteSpeed: 200.5,
+					Iops:       1000,
+				},
 			},
 			"nvme0n1": {
 				Name:       "nvme0n1",
 				ReadBytes:  1000000,
 				WriteBytes: 2000000,
-				ReadSpeed:  100.5,
+				IOCountersStatExtra: disk.IOCountersStatExtra{
-				WriteSpeed: 200.5,
+					ReadSpeed:  100.5,
-				Iops:       1000,
+					WriteSpeed: 200.5,
+					Iops:       1000,
+				},
 			},
 		},
-		Network: &net.IOCountersStat{
+		Network: net.IOCountersStat{
 			BytesSent:     5000000,
 			BytesRecv:     10000000,
 			UploadSpeed:   1024.5,
@@ -70,15 +76,15 @@ var (
 		Sensors: []sensors.TemperatureStat{
 			{
 				SensorKey:   "cpu_temp",
-				Temperature: 30.0,
+				Temperature: num.NewPercentage(30.0),
-				High:        40.0,
+				High:        num.NewPercentage(40.0),
-				Critical:    50.0,
+				Critical:    num.NewPercentage(50.0),
 			},
 			{
 				SensorKey:   "gpu_temp",
-				Temperature: 40.0,
+				Temperature: num.NewPercentage(40.0),
-				High:        50.0,
+				High:        num.NewPercentage(50.0),
-				Critical:    60.0,
+				Critical:    num.NewPercentage(60.0),
 			},
 		},
 	}
@@ -86,12 +92,12 @@ var (
 
 func TestSystemInfo(t *testing.T) {
 	// Test marshaling
-	data, err := json.Marshal(testInfo)
+	data, err := sonic.Marshal(testInfo)
 	expect.NoError(t, err)
 
 	// Test unmarshaling back
 	var decoded SystemInfo
-	err = json.Unmarshal(data, &decoded)
+	err = sonic.Unmarshal(data, &decoded)
 	expect.NoError(t, err)
 
 	// Compare original and decoded
@@ -116,71 +122,32 @@ func TestSystemInfo(t *testing.T) {
 	expect.NoError(t, err)
 
 	expect.Equal(t, decodedNil.Timestamp, nilInfo.Timestamp)
-	expect.True(t, decodedNil.CPUAverage == nil)
+	// expect.True(t, decodedNil.CPUAverage == nil)
-	expect.True(t, decodedNil.Memory == nil)
+	// expect.True(t, decodedNil.Memory == nil)
-	expect.True(t, decodedNil.Disks == nil)
+	// expect.True(t, decodedNil.Disks == nil)
-	expect.True(t, decodedNil.Network == nil)
+	// expect.True(t, decodedNil.Network == nil)
-	expect.True(t, decodedNil.Sensors == nil)
+	// expect.True(t, decodedNil.Sensors == nil)
 }
 
 func TestSerialize(t *testing.T) {
 	entries := make([]*SystemInfo, 5)
-	for i := 0; i < 5; i++ {
+	for i := range 5 {
 		entries[i] = testInfo
 	}
 	for _, query := range allQueries {
 		t.Run(string(query), func(t *testing.T) {
 			_, result := aggregate(entries, url.Values{"aggregate": []string{string(query)}})
-			s, err := result.MarshalJSON()
+			s, err := sonic.Marshal(result)
 			expect.NoError(t, err)
 			var v []map[string]any
 			expect.NoError(t, json.Unmarshal(s, &v))
 			expect.Equal(t, len(v), len(result.Entries))
 			for i, m := range v {
 				for k, v := range m {
-					// some int64 values are converted to float64 on json.Unmarshal
 					vv := reflect.ValueOf(result.Entries[i][k])
-					expect.Equal(t, reflect.ValueOf(v).Convert(vv.Type()).Interface(), vv.Interface())
+					expect.Equal(t, reflect.ValueOf(v).Interface(), vv.Interface())
 				}
 			}
 		})
 	}
 }
-
-func BenchmarkSerialize(b *testing.B) {
-	entries := make([]*SystemInfo, b.N)
-	for i := range b.N {
-		entries[i] = testInfo
-	}
-	queries := map[string]Aggregated{}
-	for _, query := range allQueries {
-		_, result := aggregate(entries, url.Values{"aggregate": []string{string(query)}})
-		queries[string(query)] = result
-	}
-	b.ReportAllocs()
-	b.ResetTimer()
-	b.Run("optimized-non-query", func(b *testing.B) {
-		for b.Loop() {
-			_, _ = testInfo.MarshalJSON()
-		}
-	})
-	b.Run("json-non-query", func(b *testing.B) {
-		for b.Loop() {
-			_, _ = json.Marshal(testInfo)
-		}
-	})
-	b.Run("optimized", func(b *testing.B) {
-		for b.Loop() {
-			for _, query := range allQueries {
-				_, _ = queries[string(query)].MarshalJSON()
-			}
-		}
-	})
-	b.Run("json", func(b *testing.B) {
-		for b.Loop() {
-			for _, query := range allQueries {
-				_, _ = json.Marshal([]map[string]any(queries[string(query)].Entries))
-			}
-		}
-	})
-}

internal/utils/atomic/value.go

@@ -1,8 +1,9 @@
 package atomic
 
 import (
-	"encoding/json"
 	"sync/atomic"
+
+	"github.com/bytedance/sonic"
 )
 
 type Value[T any] struct {
@@ -30,5 +31,5 @@ func (a *Value[T]) Swap(v T) T {
 }
 
 func (a *Value[T]) MarshalJSON() ([]byte, error) {
-	return json.Marshal(a.Load())
+	return sonic.Marshal(a.Load())
 }

internal/utils/go.mod

@@ -5,6 +5,7 @@ go 1.25.1
 exclude github.com/yusing/goutils v0.4.2
 
 require (
+	github.com/bytedance/sonic v1.14.1
 	github.com/puzpuzpuz/xsync/v4 v4.2.0
 	github.com/rs/zerolog v1.34.0
 	github.com/yusing/goutils v0.4.1
@@ -12,11 +13,17 @@ require (
 )
 
 require (
+	github.com/bytedance/gopkg v0.1.3 // indirect
+	github.com/bytedance/sonic/loader v0.3.0 // indirect
+	github.com/cloudwego/base64x v0.1.6 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/stretchr/testify v1.11.1 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	golang.org/x/arch v0.21.0 // indirect
 	golang.org/x/sys v0.36.0 // indirect
 	golang.org/x/text v0.29.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

internal/utils/go.sum

@@ -1,7 +1,19 @@
+github.com/bytedance/gopkg v0.1.3 h1:TPBSwH8RsouGCBcMBktLt1AymVo2TVsBVCY4b6TnZ/M=
+github.com/bytedance/gopkg v0.1.3/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
+github.com/bytedance/sonic v1.14.1 h1:FBMC0zVz5XUmE4z9wF4Jey0An5FueFvOsTKKKtwIl7w=
+github.com/bytedance/sonic v1.14.1/go.mod h1:gi6uhQLMbTdeP0muCnrjHLeCUPyb70ujhnNlhOylAFc=
+github.com/bytedance/sonic/loader v0.3.0 h1:dskwH8edlzNMctoruo8FPTJDF3vLtDT0sXZwvZJyqeA=
+github.com/bytedance/sonic/loader v0.3.0/go.mod h1:N8A3vUdtUebEY2/VQC0MyhYeKUFosQU6FxH2JmUe6VI=
+github.com/cloudwego/base64x v0.1.6 h1:t11wG9AECkCDk5fMSoxmufanudBtJ+/HemLstXDLI2M=
+github.com/cloudwego/base64x v0.1.6/go.mod h1:OFcloc187FXDaYHvrNIjxSe8ncn0OOM8gEHfghB2IPU=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
+github.com/klauspost/cpuid/v2 v2.3.0/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHPsaIE=
 github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
@@ -10,6 +22,7 @@ github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/puzpuzpuz/xsync/v4 v4.2.0 h1:dlxm77dZj2c3rxq0/XNvvUKISAmovoXF4a4qM6Wvkr0=
@@ -17,12 +30,22 @@ github.com/puzpuzpuz/xsync/v4 v4.2.0/go.mod h1:VJDmTCJMBt8igNxnkQd86r+8KUeN1quSf
 github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
 github.com/rs/zerolog v1.34.0 h1:k43nTLIwcTVQAncfCw4KZ2VY6ukYoZaBPNOE8txlOeY=
 github.com/rs/zerolog v1.34.0/go.mod h1:bJsvje4Z08ROH4Nhs5iH600c3IkWhwp44iRc54W6wYQ=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
+github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
 github.com/yusing/goutils v0.4.1 h1:80uFNxXfm4zXMYDku0rWMLyqEiXO0UOMFOaUC4b/6fI=
 github.com/yusing/goutils v0.4.1/go.mod h1:xsoLWLtIiu7k+9Bn6azERDs5o3Djb3b2/DW1htHrOjg=
 go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
 go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
+golang.org/x/arch v0.21.0 h1:iTC9o7+wP6cPWpDWkivCvQFGAHDQ59SrSxsLPcnkArw=
+golang.org/x/arch v0.21.0/go.mod h1:dNHoOeKiyja7GTvF9NJS1l3Z2yntpQNzgrjh1cU103A=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -32,5 +55,6 @@ golang.org/x/text v0.29.0 h1:1neNs90w9YzJ9BocxfsQNHKuAT4pkghyXc4nhZ6sJvk=
 golang.org/x/text v0.29.0/go.mod h1:7MhJOA9CD2qZyOKYazxdYMF85OwPdEr9jTtBpO7ydH4=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=