Profiling experiments

Author: rochala

build.mill

@@ -1,3 +1,7 @@
+import mill.scalalib.publish.Developer
+import mill.scalalib.publish.VersionControl
+import mill.scalalib.publish.License
+import mill.scalalib.publish.PomSettings
 import mill.eval.Evaluator
 import smithy4s.codegen.LSP
 import com.goyeau.mill.scalafix.ScalafixModule
@@ -37,14 +41,37 @@ object slsSmithy extends CommonScalaModule with Smithy4sModule {
   )
 }
 
+object profilingRuntime extends CommonScalaModule with PublishModule {
+  def ivyDeps = Agg(
+    ivy"io.pyroscope:agent:2.1.2",
+    ivy"org.typelevel::cats-effect:3.6.3",
+    ivy"org.typelevel::otel4s-sdk:0.13.1",
+    ivy"org.typelevel::otel4s-sdk-exporter:0.13.1",
+    ivy"org.typelevel::otel4s-experimental-metrics:0.7.0",
+  )
+
+  def pomSettings: T[PomSettings] = PomSettings(
+    description = "A runtime with pyroscope profiling and OpenTelemetry tracing",
+    url = "",
+    licenses = Seq(License.`MPL-2.0`),
+    organization = "org.scala.abusers",
+    versionControl = VersionControl.github("simple-scala-tooling", "simple-language-server"),
+    developers = Seq(
+      Developer("rochala", "Jędrzej Rochala", url = "https://github.com/rochala")
+    )
+  )
+
+  def publishVersion: T[String] = "0.0.1-SNAPSHOT"
+}
+
 object sls extends CommonScalaModule {
 
   def mainClass = Some("org.scala.abusers.sls.SimpleScalaServer")
 
-  def moduleDeps: Seq[JavaModule] = Seq(slsSmithy)
+  def moduleDeps: Seq[JavaModule] = Seq(slsSmithy, profilingRuntime)
 
   def ivyDeps = Agg(
-    ivy"org.typelevel::cats-effect:3.6.2",
+    ivy"org.typelevel::cats-effect:3.6.3",
     ivy"co.fs2::fs2-io:3.13.0-M2",
     ivy"io.scalaland::chimney:1.8.1",
     ivy"io.scalaland::chimney-java-collections:1.8.1",
@@ -55,7 +82,12 @@ object sls extends CommonScalaModule {
     ivy"org.scalameta:mtags-interfaces:1.5.1",
     ivy"com.evolution::scache:5.1.2",
     ivy"org.typelevel::cats-parse:1.1.0",
-    ivy"io.get-coursier:interface:1.0.28"
+    ivy"io.get-coursier:interface:1.0.28",
+  )
+
+  def javacOptions = Seq(
+    "-Dotel.service.name=simple-language-server",
+    "-Dcats.effect.trackFiberContext=true"
   )
 
   object test extends ScalaTests {

otel4s/docker-compose.yaml

@@ -0,0 +1,56 @@
+services:
+  otel-collector:
+    image: otel/opentelemetry-collector-contrib
+    command: [--config=/etc/otel-collector-config.yaml]
+    volumes:
+      - "./opentelemetry/otel-collector-config.yaml:/etc/otel-collector-config.yaml"
+    ports:
+      - "8888:8888" # Prometheus metrics exposed by the collector
+      - "8889:8889" # Prometheus exporter metrics
+      - "4317:4317" # OTLP gRPC receiver
+      - "4318:4318" # OTLP http receiver
+    networks:
+      - static-network
+
+  tempo:
+    image: grafana/tempo
+    command: [ "-config.file=/etc/tempo.yaml" ]
+    volumes:
+      - "./tempo/tempo.yaml:/etc/tempo.yaml"
+    ports:
+      - "3200:3200"
+      - "4317"
+      - "4318"
+    networks:
+      - static-network
+
+  prometheus:
+    image: prom/prometheus:latest
+    volumes:
+      - "./prometheus/prometheus.yaml:/etc/prometheus/prometheus.yml"
+    ports:
+      - "9090:9090"
+    networks:
+      - static-network
+
+  pyroscope:
+    image: grafana/pyroscope
+    ports:
+      - "4040:4040"
+    networks:
+      - static-network
+
+  grafana:
+    image: grafana/grafana
+    restart: unless-stopped
+    volumes:
+      - "./grafana/datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml"
+      - "./grafana/dashboards.yaml:/etc/grafana/provisioning/dashboards/dashboards.yaml"
+      - "./grafana/dashboards/:/var/lib/grafana/dashboards/"
+    ports:
+      - "3000:3000"
+    networks:
+      - static-network
+
+networks:
+  static-network:

otel4s/grafana/dashboards.yaml

@@ -0,0 +1,24 @@
+apiVersion: 1
+
+providers:
+  # <string> an unique provider name. Required
+  - name: 'dashboards'
+    # <int> Org id. Default to 1
+    orgId: 1
+    # <string> name of the dashboard folder.
+    folder: ''
+    # <string> folder UID. will be automatically generated if not specified
+    folderUid: ''
+    # <string> provider type. Default to 'file'
+    type: file
+    # <bool> disable dashboard deletion
+    disableDeletion: false
+    # <int> how often Grafana will scan for changed dashboards
+    updateIntervalSeconds: 10
+    # <bool> allow updating provisioned dashboards from the UI
+    allowUiUpdates: true
+    options:
+      # <string, required> path to dashboard files on disk. Required when using the 'file' type
+      path: /var/lib/grafana/dashboards
+      # <bool> use folder names from filesystem to create folders in Grafana
+      foldersFromFilesStructure: true