feature(inputs/mem): add extended linux fields

go.mod

@@ -189,7 +189,7 @@ require (
 	github.com/santhosh-tekuri/jsonschema/v5 v5.3.1
 	github.com/seancfoley/ipaddress-go v1.7.1
 	github.com/sensu/sensu-go/api/core/v2 v2.16.0
-	github.com/shirou/gopsutil/v4 v4.25.5
+	github.com/shirou/gopsutil/v4 v4.25.12
 	github.com/showwin/speedtest-go v1.7.10
 	github.com/signalfx/golib/v3 v3.3.54
 	github.com/sijms/go-ora/v2 v2.9.0
@@ -198,7 +198,7 @@ require (
 	github.com/snowflakedb/gosnowflake v1.14.1
 	github.com/srebhan/cborquery v1.0.4
 	github.com/srebhan/protobufquery v1.0.4
-	github.com/stretchr/testify v1.10.0
+	github.com/stretchr/testify v1.11.1
 	github.com/tbrandon/mbserver v0.0.0-20170611213546-993e1772cc62
 	github.com/tdrn-org/go-hue v0.3.0
 	github.com/testcontainers/testcontainers-go v0.37.0
@@ -231,7 +231,7 @@ require (
 	golang.org/x/net v0.41.0
 	golang.org/x/oauth2 v0.30.0
 	golang.org/x/sync v0.15.0
-	golang.org/x/sys v0.33.0
+	golang.org/x/sys v0.38.0
 	golang.org/x/term v0.32.0
 	golang.org/x/text v0.26.0
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20211230205640-daad0b7ba671
@@ -362,7 +362,7 @@ require (
 	github.com/eapache/go-resiliency v1.7.0 // indirect
 	github.com/eapache/go-xerial-snappy v0.0.0-20230731223053-c322873962e3 // indirect
 	github.com/eapache/queue v1.1.0 // indirect
-	github.com/ebitengine/purego v0.8.4 // indirect
+	github.com/ebitengine/purego v0.9.1 // indirect
 	github.com/echlebek/timeproxy v1.0.0 // indirect
 	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
 	github.com/envoyproxy/go-control-plane/envoy v1.32.4 // indirect
@@ -524,8 +524,8 @@ require (
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tidwall/tinylru v1.2.1 // indirect
-	github.com/tklauser/go-sysconf v0.3.13 // indirect
-	github.com/tklauser/numcpus v0.7.0 // indirect
+	github.com/tklauser/go-sysconf v0.3.16 // indirect
+	github.com/tklauser/numcpus v0.11.0 // indirect
 	github.com/twmb/murmur3 v1.1.7 // indirect
 	github.com/uber/jaeger-client-go v2.30.0+incompatible // indirect
 	github.com/uber/jaeger-lib v2.4.1+incompatible // indirect

go.sum

@@ -1185,8 +1185,8 @@ github.com/eapache/go-xerial-snappy v0.0.0-20230731223053-c322873962e3 h1:Oy0F4A
 github.com/eapache/go-xerial-snappy v0.0.0-20230731223053-c322873962e3/go.mod h1:YvSRo5mw33fLEx1+DlK6L2VV43tJt5Eyel9n9XBcR+0=
 github.com/eapache/queue v1.1.0 h1:YOEu7KNc61ntiQlcEeUIoDTJ2o8mQznoNvUhiigpIqc=
 github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
-github.com/ebitengine/purego v0.8.4 h1:CF7LEKg5FFOsASUj0+QwaXf8Ht6TlFxg09+S9wz0omw=
-github.com/ebitengine/purego v0.8.4/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
+github.com/ebitengine/purego v0.9.1 h1:a/k2f2HQU3Pi399RPW1MOaZyhKJL9w/xFpKAg4q1s0A=
+github.com/ebitengine/purego v0.9.1/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
 github.com/echlebek/crock v1.0.1 h1:KbzamClMIfVIkkjq/GTXf+N16KylYBpiaTitO3f1ujg=
 github.com/echlebek/crock v1.0.1/go.mod h1:/kvwHRX3ZXHj/kHWJkjXDmzzRow54EJuHtQ/PapL/HI=
 github.com/echlebek/timeproxy v1.0.0 h1:V41/v8tmmMDNMA2GrBPI45nlXb3F7+OY+nJz1BqKsCk=
@@ -2310,8 +2310,8 @@ github.com/sensu/sensu-go/api/core/v2 v2.16.0/go.mod h1:MjM7+MCGEyTAgaZ589SiGHwY
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
 github.com/shirou/gopsutil v3.21.11+incompatible h1:+1+c1VGhc88SSonWP6foOcLhvnKlUeu/erjjvaPEYiI=
 github.com/shirou/gopsutil v3.21.11+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
-github.com/shirou/gopsutil/v4 v4.25.5 h1:rtd9piuSMGeU8g1RMXjZs9y9luK5BwtnG7dZaQUJAsc=
-github.com/shirou/gopsutil/v4 v4.25.5/go.mod h1:PfybzyydfZcN+JMMjkF6Zb8Mq1A/VcogFFg7hj50W9c=
+github.com/shirou/gopsutil/v4 v4.25.12 h1:e7PvW/0RmJ8p8vPGJH4jvNkOyLmbkXgXW4m6ZPic6CY=
+github.com/shirou/gopsutil/v4 v4.25.12/go.mod h1:EivAfP5x2EhLp2ovdpKSozecVXn1TmuG7SMzs/Wh4PU=
 github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4=
 github.com/shopspring/decimal v1.2.0/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
 github.com/shopspring/decimal v1.3.1/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
@@ -2408,8 +2408,8 @@ github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o
 github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
-github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+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/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/t3rm1n4l/go-mega v0.0.0-20241213150454-ec0027fb0002 h1:jevGbwKzMmHLgHAaDaMJLQX3jpXUWjUvnsrPeMgkM7o=
 github.com/t3rm1n4l/go-mega v0.0.0-20241213150454-ec0027fb0002/go.mod h1:0Mv/XWQoRWF7d7jkc4DufsAJQg8xyZ5NtCkY59wECQY=
@@ -2453,10 +2453,10 @@ github.com/tj/go-buffer v1.1.0/go.mod h1:iyiJpfFcR2B9sXu7KvjbT9fpM4mOelRSDTbntVj
 github.com/tj/go-elastic v0.0.0-20171221160941-36157cbbebc2/go.mod h1:WjeM0Oo1eNAjXGDx2yma7uG2XoyRZTq1uv3M/o7imD0=
 github.com/tj/go-kinesis v0.0.0-20171128231115-08b17f58cb1b/go.mod h1:/yhzCV0xPfx6jb1bBgRFjl5lytqVqZXEaeqWP8lTEao=
 github.com/tj/go-spin v1.1.0/go.mod h1:Mg1mzmePZm4dva8Qz60H2lHwmJ2loum4VIrLgVnKwh4=
-github.com/tklauser/go-sysconf v0.3.13 h1:GBUpcahXSpR2xN01jhkNAbTLRk2Yzgggk8IM08lq3r4=
-github.com/tklauser/go-sysconf v0.3.13/go.mod h1:zwleP4Q4OehZHGn4CYZDipCgg9usW5IJePewFCGVEa0=
-github.com/tklauser/numcpus v0.7.0 h1:yjuerZP127QG9m5Zh/mSO4wqurYil27tHrqwRoRjpr4=
-github.com/tklauser/numcpus v0.7.0/go.mod h1:bb6dMVcj8A42tSE7i32fsIUCbQNllK5iDguyOZRUzAY=
+github.com/tklauser/go-sysconf v0.3.16 h1:frioLaCQSsF5Cy1jgRBrzr6t502KIIwQ0MArYICU0nA=
+github.com/tklauser/go-sysconf v0.3.16/go.mod h1:/qNL9xxDhc7tx3HSRsLWNnuzbVfh3e7gh/BmM179nYI=
+github.com/tklauser/numcpus v0.11.0 h1:nSTwhKH5e1dMNsCdVBukSZrURJRoHbSEQjdEbY+9RXw=
+github.com/tklauser/numcpus v0.11.0/go.mod h1:z+LwcLq54uWZTX0u/bGobaV34u6V7KNlTZejzM6/3MQ=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM=
 github.com/twmb/murmur3 v1.1.7 h1:ULWBiM04n/XoN3YMSJ6Z2pHDFLf+MeIVQU71ZPrvbWg=
@@ -3027,8 +3027,8 @@ golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
-golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+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/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=

plugins/inputs/mem/README.md

@@ -14,10 +14,9 @@ This plugin collects metrics about the system memory.
 
 ## Global configuration options <!-- @/docs/includes/plugin_config.md -->
 
-In addition to the plugin-specific configuration settings, plugins support
-additional global and plugin configuration settings. These settings are used to
-modify metrics, tags, and field or create aliases and configure ordering, etc.
-See the [CONFIGURATION.md][CONFIGURATION.md] for more details.
+Plugins support additional global and plugin configuration settings for tasks
+such as modifying metrics, tags, and fields, creating aliases, and configuring
+plugin ordering. See [CONFIGURATION.md][CONFIGURATION.md] for more details.
 
 [CONFIGURATION.md]: ../../../docs/CONFIGURATION.md#plugins
 
@@ -36,6 +35,8 @@ Available fields are dependent on platform.
 - mem
   - fields:
     - active (integer, Darwin, FreeBSD, Linux, OpenBSD)
+    - active_anon (integer, Linux)
+    - active_file (integer, Linux)
     - available (integer)
     - available_percent (float)
     - buffered (integer, FreeBSD, Linux)
@@ -50,11 +51,14 @@ Available fields are dependent on platform.
     - huge_page_size (integer, Linux)
     - huge_pages_total (integer, Linux)
     - inactive (integer, Darwin, FreeBSD, Linux, OpenBSD)
+    - inactive_anon (integer, Linux)
+    - inactive_file (integer, Linux)
     - laundry (integer, FreeBSD)
     - low_free (integer, Linux)
     - low_total (integer, Linux)
     - mapped (integer, Linux)
     - page_tables (integer, Linux)
+    - percpu (integer, Linux)
     - shared (integer, Linux)
     - slab (integer, Linux)
     - sreclaimable (integer, Linux)
@@ -63,6 +67,7 @@ Available fields are dependent on platform.
     - swap_free (integer, Linux)
     - swap_total (integer, Linux)
     - total (integer)
+    - unevictable (integer, Linux)
     - used (integer)
     - used_percent (float)
     - vmalloc_chunk (integer, Linux)
@@ -75,5 +80,5 @@ Available fields are dependent on platform.
 ## Example Output
 
 ```text
-mem active=9299595264i,available=16818249728i,available_percent=80.41654254645131,buffered=2383761408i,cached=13316689920i,commit_limit=14751920128i,committed_as=11781156864i,dirty=122880i,free=1877688320i,high_free=0i,high_total=0i,huge_page_size=2097152i,huge_pages_free=0i,huge_pages_total=0i,inactive=7549939712i,low_free=0i,low_total=0i,mapped=416763904i,page_tables=19787776i,shared=670679040i,slab=2081071104i,sreclaimable=1923395584i,sunreclaim=157675520i,swap_cached=1302528i,swap_free=4286128128i,swap_total=4294963200i,total=20913917952i,used=3335778304i,used_percent=15.95004011996231,vmalloc_chunk=0i,vmalloc_total=35184372087808i,vmalloc_used=0i,wired=0i,write_back=0i,write_back_tmp=0i 1574712869000000000
+mem active=9299595264i,active_anon=5765169152i,active_file=3534426112i,available=16818249728i,available_percent=80.41654254645131,buffered=2383761408i,cached=13316689920i,commit_limit=14751920128i,committed_as=11781156864i,dirty=122880i,free=1877688320i,high_free=0i,high_total=0i,huge_page_size=2097152i,huge_pages_free=0i,huge_pages_total=0i,inactive=7549939712i,inactive_anon=1081245696i,inactive_file=6468694016i,low_free=0i,low_total=0i,mapped=416763904i,page_tables=19787776i,percpu=5765120i,shared=670679040i,slab=2081071104i,sreclaimable=1923395584i,sunreclaim=157675520i,swap_cached=1302528i,swap_free=4286128128i,swap_total=4294963200i,total=20913917952i,unevictable=143360i,used=3335778304i,used_percent=15.95004011996231,vmalloc_chunk=0i,vmalloc_total=35184372087808i,vmalloc_used=0i,write_back=0i,write_back_tmp=0i 1574712869000000000
 ```

plugins/inputs/mem/mem.go

@@ -14,9 +14,15 @@ import (
 //go:embed sample.conf
 var sampleConfig string
 
+// extendedMemoryStats provides extended memory statistics for a platform.
+type extendedMemoryStats interface {
+	getFields() (map[string]interface{}, error)
+}
+
 type Mem struct {
 	ps       psutil.PS
 	platform string
+	exStats  extendedMemoryStats
 }
 
 func (*Mem) SampleConfig() string {
@@ -25,6 +31,9 @@ func (*Mem) SampleConfig() string {
 
 func (ms *Mem) Init() error {
 	ms.platform = runtime.GOOS
+	if ms.exStats == nil {
+		ms.exStats = newExtendedMemoryStats()
+	}
 	return nil
 }
 
@@ -92,6 +101,14 @@ func (ms *Mem) Gather(acc telegraf.Accumulator) error {
 		fields["vmalloc_used"] = vm.VmallocUsed
 		fields["write_back_tmp"] = vm.WriteBackTmp
 		fields["write_back"] = vm.WriteBack
+
+		extFields, err := ms.exStats.getFields()
+		if err != nil {
+			acc.AddError(fmt.Errorf("error getting extended virtual memory info: %w", err))
+		}
+		for k, v := range extFields {
+			fields[k] = v
+		}
 	}
 
 	acc.AddGauge("mem", fields, nil)

plugins/inputs/mem/mem_linux.go

@@ -0,0 +1,27 @@
+package mem
+
+import (
+	"github.com/shirou/gopsutil/v4/mem"
+)
+
+type linuxExtendedMemoryStats struct{}
+
+func newExtendedMemoryStats() extendedMemoryStats {
+	return &linuxExtendedMemoryStats{}
+}
+
+// getFields returns extended virtual memory statistics from /proc/meminfo.
+func (*linuxExtendedMemoryStats) getFields() (map[string]interface{}, error) {
+	exVM, err := mem.NewExLinux().VirtualMemory()
+	if err != nil {
+		return nil, err
+	}
+	return map[string]interface{}{
+		"active_file":   exVM.ActiveFile,
+		"inactive_file": exVM.InactiveFile,
+		"active_anon":   exVM.ActiveAnon,
+		"inactive_anon": exVM.InactiveAnon,
+		"unevictable":   exVM.Unevictable,
+		"percpu":        exVM.Percpu,
+	}, nil
+}

plugins/inputs/mem/mem_linux_test.go

@@ -0,0 +1,149 @@
+//go:build linux
+
+package mem
+
+import (
+	"testing"
+	"time"
+
+	"github.com/shirou/gopsutil/v4/mem"
+	"github.com/stretchr/testify/require"
+
+	"github.com/influxdata/telegraf"
+	"github.com/influxdata/telegraf/plugins/common/psutil"
+	"github.com/influxdata/telegraf/testutil"
+)
+
+// mockExtendedMemoryStats implements extendedMemoryStats for testing.
+type mockExtendedMemoryStats struct {
+	fields map[string]interface{}
+	err    error
+}
+
+func (m *mockExtendedMemoryStats) getFields() (map[string]interface{}, error) {
+	return m.fields, m.err
+}
+
+func TestMemStatsLinux(t *testing.T) {
+	var mps psutil.MockPS
+	defer mps.AssertExpectations(t)
+	var acc testutil.Accumulator
+
+	vms := &mem.VirtualMemoryStat{
+		Total:          16589934592,
+		Available:      8294967296,
+		Used:           8294967296,
+		Free:           2147483648,
+		Active:         4294967296,
+		Inactive:       2147483648,
+		Buffers:        536870912,
+		Cached:         2147483648,
+		Slab:           268435456,
+		Shared:         134217728,
+		Sreclaimable:   134217728,
+		Sunreclaim:     67108864,
+		CommitLimit:    8589934592,
+		CommittedAS:    4294967296,
+		Dirty:          1048576,
+		HighFree:       0,
+		HighTotal:      0,
+		HugePageSize:   2097152,
+		HugePagesFree:  0,
+		HugePagesTotal: 0,
+		LowFree:        2147483648,
+		LowTotal:       16589934592,
+		Mapped:         536870912,
+		PageTables:     33554432,
+		SwapCached:     0,
+		SwapFree:       8589934592,
+		SwapTotal:      8589934592,
+		VmallocChunk:   0,
+		VmallocTotal:   35184372088832,
+		VmallocUsed:    67108864,
+		WriteBack:      0,
+		WriteBackTmp:   0,
+	}
+
+	mps.On("VMStat").Return(vms, nil)
+
+	// Inject mock for extended memory stats
+	mockExStats := &mockExtendedMemoryStats{
+		fields: map[string]interface{}{
+			"active_file":   uint64(1073741824),
+			"inactive_file": uint64(2147483648),
+			"active_anon":   uint64(536870912),
+			"inactive_anon": uint64(268435456),
+			"unevictable":   uint64(134217728),
+			"percpu":        uint64(67108864),
+		},
+	}
+
+	plugin := &Mem{
+		ps:      &mps,
+		exStats: mockExStats,
+	}
+
+	err := plugin.Init()
+	require.NoError(t, err)
+
+	plugin.platform = "linux"
+
+	err = plugin.Gather(&acc)
+	require.NoError(t, err)
+
+	expected := []telegraf.Metric{
+		testutil.MustMetric(
+			"mem",
+			map[string]string{},
+			map[string]interface{}{
+				// Common fields
+				"total":             uint64(16589934592),
+				"available":         uint64(8294967296),
+				"used":              uint64(8294967296),
+				"used_percent":      float64(8294967296) / float64(16589934592) * 100,
+				"available_percent": float64(8294967296) / float64(16589934592) * 100,
+				// Linux-specific fields from VirtualMemoryStat
+				"free":             uint64(2147483648),
+				"buffered":         uint64(536870912),
+				"cached":           uint64(2147483648),
+				"active":           uint64(4294967296),
+				"inactive":         uint64(2147483648),
+				"slab":             uint64(268435456),
+				"shared":           uint64(134217728),
+				"sreclaimable":     uint64(134217728),
+				"sunreclaim":       uint64(67108864),
+				"commit_limit":     uint64(8589934592),
+				"committed_as":     uint64(4294967296),
+				"dirty":            uint64(1048576),
+				"high_free":        uint64(0),
+				"high_total":       uint64(0),
+				"huge_page_size":   uint64(2097152),
+				"huge_pages_free":  uint64(0),
+				"huge_pages_total": uint64(0),
+				"low_free":         uint64(2147483648),
+				"low_total":        uint64(16589934592),
+				"mapped":           uint64(536870912),
+				"page_tables":      uint64(33554432),
+				"swap_cached":      uint64(0),
+				"swap_free":        uint64(8589934592),
+				"swap_total":       uint64(8589934592),
+				"vmalloc_chunk":    uint64(0),
+				"vmalloc_total":    uint64(35184372088832),
+				"vmalloc_used":     uint64(67108864),
+				"write_back":       uint64(0),
+				"write_back_tmp":   uint64(0),
+				// Extended fields from ExVirtualMemory (mocked)
+				"active_file":   uint64(1073741824),
+				"inactive_file": uint64(2147483648),
+				"active_anon":   uint64(536870912),
+				"inactive_anon": uint64(268435456),
+				"unevictable":   uint64(134217728),
+				"percpu":        uint64(67108864),
+			},
+			time.Unix(0, 0),
+			telegraf.Gauge,
+		),
+	}
+
+	testutil.RequireMetricsEqual(t, expected, acc.GetTelegrafMetrics(), testutil.IgnoreTime())
+}

plugins/inputs/mem/mem_other.go

@@ -0,0 +1,14 @@
+//go:build !linux
+
+package mem
+
+type noopExtendedMemoryStats struct{}
+
+func newExtendedMemoryStats() extendedMemoryStats {
+	return &noopExtendedMemoryStats{}
+}
+
+// getFields returns nil on non-Linux platforms as extended VM stats are not available.
+func (*noopExtendedMemoryStats) getFields() (map[string]interface{}, error) {
+	return nil, nil
+}