metricbeat: collect total thread count per process

Upgrades elastic-agent-system-metrics to v0.5.0 in order to collect the total thread count per process.

CHANGELOG.next.asciidoc

@@ -25,6 +25,9 @@ https://github.com/elastic/beats/compare/v8.8.1\...main[Check the HEAD diff]
 
 *Metricbeat*
 
+ - System module now collects the total thread count per process.
+The elastic-agent-system-metrics was updated to v0.5.0 as the total thread count
+is collected by it.
 
 *Osquerybeat*
 

NOTICE.txt

@@ -13025,12 +13025,12 @@ these terms.
 
 
 --------------------------------------------------------------------------------
-Dependency : github.com/elastic/elastic-agent-system-metrics
-Version: v0.6.1
+Dependency : github.com/AndersonQ/elastic-agent-system-metrics
+Version: v0.0.0-20230913114254-ef72b6fa59d9
 Licence type (autodetected): Apache-2.0
 --------------------------------------------------------------------------------
 
-Contents of probable licence file $GOMODCACHE/github.com/elastic/elastic-agent-system-metrics@v0.6.1/LICENSE.txt:
+Contents of probable licence file $GOMODCACHE/github.com/!anderson!q/elastic-agent-system-metrics@v0.0.0-20230913114254-ef72b6fa59d9/LICENSE.txt:
 
                                  Apache License
                            Version 2.0, January 2004

go.mod

@@ -406,3 +406,5 @@ replace (
 
 // Exclude this version because the version has an invalid checksum.
 exclude github.com/docker/distribution v2.8.0+incompatible
+
+replace github.com/elastic/elastic-agent-system-metrics => github.com/AndersonQ/elastic-agent-system-metrics v0.0.0-20230913114254-ef72b6fa59d9

go.sum

@@ -79,6 +79,8 @@ gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zum
 git.sr.ht/~sbinet/gg v0.3.1/go.mod h1:KGYtlADtqsqANL9ueOFkWymvzUvLMQllU5Ixo+8v3pc=
 github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4/go.mod h1:hN7oaIRCjzsZ2dE+yG5k+rsdt3qcwykqK6HVGcKwsw4=
 github.com/99designs/keyring v1.2.1/go.mod h1:fc+wB5KTk9wQ9sDx0kFXB3A0MaeGHM9AwRStKOQ5vOA=
+github.com/AndersonQ/elastic-agent-system-metrics v0.0.0-20230913114254-ef72b6fa59d9 h1:aK888FnVMPSUNvP6q+9JUj76wOA0INWY/mXR2e6zmAU=
+github.com/AndersonQ/elastic-agent-system-metrics v0.0.0-20230913114254-ef72b6fa59d9/go.mod h1:e2jSj1Fnnyhl21p2g52qhYCyyizX9Lup3z2m/3E9kvg=
 github.com/Azure/azure-amqp-common-go/v3 v3.2.1 h1:uQyDk81yn5hTP1pW4Za+zHzy97/f4vDz9o1d/exI4j4=
 github.com/Azure/azure-amqp-common-go/v3 v3.2.1/go.mod h1:O6X1iYHP7s2x7NjUKsXVhkwWrQhxrd+d8/3rRadj4CI=
 github.com/Azure/azure-event-hubs-go/v3 v3.3.15 h1:2yAik9gS5Qjs4Z6EM1B6d0tfZJ506B/0oA08JlRQxb8=
@@ -657,8 +659,6 @@ github.com/elastic/elastic-agent-libs v0.3.13 h1:qFiBWeBfjsBId+i31rggyW2ZjzA9qBR
 github.com/elastic/elastic-agent-libs v0.3.13/go.mod h1:mpSfrigixx8x+uMxWKl4LtdlrKIhZbA4yT2eIeIazUQ=
 github.com/elastic/elastic-agent-shipper-client v0.5.1-0.20230228231646-f04347b666f3 h1:sb+25XJn/JcC9/VL8HX4r4QXSUq4uTNzGS2kxOE7u1U=
 github.com/elastic/elastic-agent-shipper-client v0.5.1-0.20230228231646-f04347b666f3/go.mod h1:rWarFM7qYxJKsi9WcV6ONcFjH/NA3niDNpTxO+8/GVI=
-github.com/elastic/elastic-agent-system-metrics v0.6.1 h1:LCN1lvQTkdUuU/rKlpKyVMDU/G/I8/iZWCaW6K+mo4o=
-github.com/elastic/elastic-agent-system-metrics v0.6.1/go.mod h1:Bj8XM/uNKm553blQHkGNEICRLGnVEtw8yttmV5vBngA=
 github.com/elastic/elastic-transport-go/v8 v8.0.0-20230329154755-1a3c63de0db6/go.mod h1:87Tcz8IVNe6rVSLdBux1o/PEItLtyabHU3naC7IoqKI=
 github.com/elastic/elastic-transport-go/v8 v8.3.0 h1:DJGxovyQLXGr62e9nDMPSxRyWION0Bh6d9eCFBriiHo=
 github.com/elastic/elastic-transport-go/v8 v8.3.0/go.mod h1:87Tcz8IVNe6rVSLdBux1o/PEItLtyabHU3naC7IoqKI=

metricbeat/module/system/process/_meta/fields.yml

@@ -24,6 +24,12 @@
       type: alias
       path: process.pgid
       migration: true
+    - name: num_threads
+      type: alias
+      description: >
+        Number of threads in the process
+      path: process.num_threads
+      migration: true
     - name: cmdline
       type: keyword
       description: >
@@ -345,7 +351,7 @@
             - name: stats.user.pct
               type: scaled_float
               description: time the cgroup spent in user space, as a percentage of total CPU time
-            
+
             - name: stats.user.norm.pct
               type: scaled_float
               description: time the cgroup spent in user space, as a percentage of total CPU time, normalized by CPU count.
@@ -419,7 +425,7 @@
               type: long
               format: bytes
               description: memory max threshhold
-            
+
             - name: mem.events
               type: group
               description: number of times the controller tripped a given usage level

metricbeat/module/system/process/process.go

@@ -32,7 +32,7 @@ import (
 	"github.com/elastic/elastic-agent-system-metrics/metric/system/resolve"
 )
 
-var debugf = logp.MakeDebug("system.process")
+var debugf = logp.NewLogger("system.process").Debugf
 
 func init() {
 	mb.Registry.MustAddMetricSet("system", "process", New,

metricbeat/module/system/process/process_test.go

@@ -24,6 +24,7 @@ import (
 	"time"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 
 	mbtest "github.com/elastic/beats/v7/metricbeat/mb/testing"
 	_ "github.com/elastic/beats/v7/metricbeat/module/system"
@@ -32,7 +33,9 @@ import (
 )
 
 func TestFetch(t *testing.T) {
-	logp.DevelopmentSetup()
+	err := logp.DevelopmentSetup()
+	require.NoError(t, err, "could not set the logger to DevelopmentSetup")
+
 	f := mbtest.NewReportingMetricSetV2Error(t, getConfig())
 	events, errs := mbtest.ReportingFetchV2Error(f)
 	assert.Empty(t, errs)
@@ -44,6 +47,7 @@ func TestFetch(t *testing.T) {
 	assert.Empty(t, errs)
 	assert.NotEmpty(t, events)
 
+	t.Logf("fetched %d events, showing events[0]:", len(events))
 	t.Logf("%s/%s event: %+v", f.Module().Name(), f.Name(),
 		events[0].BeatEvent("system", "process").Fields.StringToPrint())
 }