Update java examples with latest SDKs (#3812)

* Update java span-profiles example with latest SDKs

* Bump java SDK version in a few more examples, improve docs further

Author: aleks-p

docs/sources/configure-client/language-sdks/java.md

@@ -51,12 +51,12 @@ First, add the Pyroscope dependency:
 <dependency>
   <groupId>io.pyroscope</groupId>
   <artifactId>agent</artifactId>
-  <version>0.15.2</version>
+  <version>0.16.0</version>
 </dependency>
 ```
 
 ```gradle
-implementation("io.pyroscope:agent:0.15.2")
+implementation("io.pyroscope:agent:0.16.0")
 ```
 
 {{< /code >}}

docs/sources/configure-client/trace-span-profiles/dotnet-span-profiles.md

@@ -7,7 +7,7 @@ weight: 103
 
 # Span profiles with Traces to profiles for .NET
 
-Span Profiles represents a shift in profiling methodology.
+Span Profiles represent a shift in profiling methodology.
 Traditional continuous profiling provides an application-wide view over fixed intervals.
 In contrast, Span Profiles delivers focused, dynamic analysis on specific execution scopes within applications, such as individual requests or specific trace spans.
 

docs/sources/configure-client/trace-span-profiles/go-span-profiles.md

@@ -10,7 +10,7 @@ weight: 100
 
 # Span profiles with Traces to profiles for Go
 
-Span Profiles represents a major shift in profiling methodology, enabling deeper analysis of both tracing and profiling data.
+Span Profiles represent a major shift in profiling methodology, enabling deeper analysis of both tracing and profiling data.
 Traditional continuous profiling provides an application-wide view over fixed intervals.
 In contrast, Span Profiles delivers focused, dynamic analysis on specific execution scopes within applications, such as individual requests or specific trace spans.
 

docs/sources/configure-client/trace-span-profiles/java-span-profiles.md

@@ -7,7 +7,7 @@ weight: 101
 
 # Span profiles with Traces to profiles for Java
 
-Span Profiles represents a major shift in profiling methodology, enabling deeper analysis of both tracing and profiling data.
+Span Profiles represent a major shift in profiling methodology, enabling deeper analysis of both tracing and profiling data.
 Traditional continuous profiling provides an application-wide view over fixed intervals.
 In contrast, Span Profiles delivers focused, dynamic analysis on specific execution scopes within applications, such as individual requests or specific trace spans.
 
@@ -40,7 +40,8 @@ Your applications must be instrumented for profiling and tracing before you can
 
 ## Configure the otel-profiling-java package
 
-To start collecting Span Profiles for your Java application, you need to include [otel-profiling-java](https://github.com/pyroscope-io/otel-profiling-java) as an extension to your application.
+To start collecting Span Profiles for your Java application, you need to include [otel-profiling-java](https://github.com/pyroscope-io/otel-profiling-java) as an extension
+for the [OTel Java agent](https://opentelemetry.io/docs/zero-code/java/agent/).
 
 Assuming you have this sample application Docker image:
 
@@ -61,7 +62,7 @@ EXPOSE 5000
 
 ## Add required libararies
 ADD https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v1.17.0/opentelemetry-javaagent.jar opentelemetry-javaagent.jar
-ADD https://repo1.maven.org/maven2/io/pyroscope/otel/0.10.1.11/otel-0.10.1.11.jar pyroscope-otel.jar
+ADD https://repo1.maven.org/maven2/io/pyroscope/otel/0.11.0/otel-0.11.0.jar pyroscope-otel.jar
 
 ENV PYROSCOPE_APPLICATION_NAME=my-app
 ENV PYROSCOPE_FORMAT=jfr
@@ -83,14 +84,14 @@ ENV PYROSCOPE_SERVER_ADDRESS=http://localhost:4040
 # ENV PYROSCOPE_BASIC_AUTH_USER=123     ## Grafana Cloud Username
 # ENV PYROSCOPE_BASIC_AUTH_PASSWORD=glc_secret ## Grafana Cloud Password / API Token
 
-## Add the pyroscope and the opentelemetry java-agents
+## Add the opentelemetry java agent
 CMD ["java", "-Dserver.port=5000", "-javaagent:./opentelemetry-javaagent.jar", "-jar", "./my-app.jar" ]
 ```
 
 ### Available configuration options
 
 | Flag                             | Description                                                                                                                                                                                                                                                                                                             | Default |
-| -------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------- |
+|----------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------|
 | `otel.pyroscope.start.profiling` | Boolean flag to start PyroscopeAgent. Set to false if you want to start the PyroscopeAgent manually.                                                                                                                                                                                                                    | `true`  |
 | `otel.pyroscope.root.span.only`  | Boolean flag. When enabled, the tracer will annotate only the first span created locally (the root span), but the profile will include samples of all the nested spans. This may be helpful in case if the trace consists of multiple spans shorter than 10ms and profiler can't collect and annotate samples properly. | `true`  |
 | `otel.pyroscope.add.span.name`   | Boolean flag. Controls whether the span name added to profile labels.                                                                                                                                                                                                                                                   | `true`  |

docs/sources/configure-client/trace-span-profiles/python-span-profiles.md

@@ -7,7 +7,7 @@ weight: 104
 
 # Span profiles with Traces to profiles for Python
 
-Span Profiles represents a major shift in profiling methodology, enabling deeper analysis of both tracing and profiling data.
+Span Profiles represent a major shift in profiling methodology, enabling deeper analysis of both tracing and profiling data.
 Traditional continuous profiling provides an application-wide view over fixed intervals.
 In contrast, Span Profiles delivers focused, dynamic analysis on specific execution scopes within applications, such as individual requests or specific trace spans.
 

docs/sources/configure-client/trace-span-profiles/ruby-span-profiles.md

@@ -7,7 +7,7 @@ weight: 102
 
 # Span profiles with Traces to profiles for Ruby
 
-Span Profiles represents a major shift in profiling methodology, enabling deeper analysis of both tracing and profiling data.
+Span Profiles represent a major shift in profiling methodology, enabling deeper analysis of both tracing and profiling data.
 Traditional continuous profiling provides an application-wide view over fixed intervals.
 In contrast, Span Profiles delivers focused, dynamic analysis on specific execution scopes within applications, such as individual requests or specific trace spans.
 

examples/language-sdk-instrumentation/java/fib/Dockerfile

@@ -4,7 +4,7 @@ WORKDIR /opt/app
 
 RUN apt-get update && apt-get install ca-certificates -y && update-ca-certificates && apt-get install -y git
 
-ADD https://github.com/grafana/pyroscope-java/releases/download/v0.15.2/pyroscope.jar /opt/app/pyroscope.jar
+ADD https://github.com/grafana/pyroscope-java/releases/download/v0.16.0/pyroscope.jar /opt/app/pyroscope.jar
 
 COPY Main.java ./
 

examples/language-sdk-instrumentation/java/rideshare/Dockerfile

@@ -37,6 +37,6 @@ COPY --from=builder /opt/app/build/libs/rideshare-1.0-SNAPSHOT.jar /opt/app/buil
 
 WORKDIR /opt/app
 
-ADD https://github.com/grafana/pyroscope-java/releases/download/v0.15.2/pyroscope.jar /opt/app/pyroscope.jar
+ADD https://github.com/grafana/pyroscope-java/releases/download/v0.16.0/pyroscope.jar /opt/app/pyroscope.jar
 
 CMD sh -c "exec java -Dserver.port=${RIDESHARE_LISTEN_PORT} -javaagent:pyroscope.jar -jar ./build/libs/rideshare-1.0-SNAPSHOT.jar"

examples/language-sdk-instrumentation/java/rideshare/build.gradle.kts

@@ -12,7 +12,7 @@ repositories {
 }
 
 dependencies {
-    implementation("io.pyroscope:agent:0.15.2")
+    implementation("io.pyroscope:agent:0.16.0")
     implementation("org.springframework.boot:spring-boot-starter-web")
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.8.2")
     testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.8.2")

examples/language-sdk-instrumentation/java/simple/Dockerfile

@@ -2,7 +2,7 @@ FROM openjdk:11.0.11-jdk
 
 WORKDIR /opt/app
 
-ADD https://github.com/grafana/pyroscope-java/releases/download/v0.15.2/pyroscope.jar /opt/app/pyroscope.jar
+ADD https://github.com/grafana/pyroscope-java/releases/download/v0.16.0/pyroscope.jar /opt/app/pyroscope.jar
 
 COPY Main.java ./Main.java
 RUN javac Main.java

examples/tracing/java/Dockerfile

@@ -42,8 +42,9 @@ COPY --from=builder /opt/app/build/libs/rideshare-1.0-SNAPSHOT.jar /opt/app/buil
 WORKDIR /opt/app
 
 ADD https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v1.17.0/opentelemetry-javaagent.jar opentelemetry-javaagent.jar
-ADD https://repo1.maven.org/maven2/io/pyroscope/otel/0.10.1.11/otel-0.10.1.11.jar pyroscope-otel.jar
+ADD https://repo1.maven.org/maven2/io/pyroscope/agent/0.16.0/agent-0.16.0.jar pyroscope.jar
+ADD https://repo1.maven.org/maven2/io/pyroscope/otel/0.11.0/otel-0.11.0.jar pyroscope-otel.jar
 
 EXPOSE 5000
 
-CMD ["java", "-Dserver.port=5000", "-javaagent:./opentelemetry-javaagent.jar", "-jar", "./build/libs/rideshare-1.0-SNAPSHOT.jar" ]
+CMD ["java", "-Dserver.port=5000", "-javaagent:./pyroscope.jar", "-javaagent:./opentelemetry-javaagent.jar", "-jar", "./build/libs/rideshare-1.0-SNAPSHOT.jar" ]

examples/tracing/java/README.md

@@ -7,34 +7,34 @@ The docker compose consists of:
 - Grafana
 
 The `rideshare` app generate traces and profiling data that should be available in Grafana.
-Pyroscope and Tempo datasources are provisioned automatically.
+Datasources for Pyroscope and Tempo are provisioned automatically.
 
 ### Build and run
 
 The project can be run locally with the following commands:
 
 ```shell
-# Pull latest pyroscope and grafana images:
+# (optionally) pull latest pyroscope and grafana images:
 docker pull grafana/pyroscope:latest
 docker pull grafana/grafana:latest
 
-docker compose up
+# build and run the example
+docker compose up --build
 ```
 
-Navigate to the [Explore page](http://localhost:3000/explore?schemaVersion=1&panes=%7B%22yM9%22:%7B%22datasource%22:%22tempo%22,%22queries%22:%5B%7B%22refId%22:%22A%22,%22datasource%22:%7B%22type%22:%22tempo%22,%22uid%22:%22tempo%22%7D,%22queryType%22:%22traceqlSearch%22,%22limit%22:20,%22tableType%22:%22traces%22,%22filters%22:%5B%7B%22id%22:%22e73a615e%22,%22operator%22:%22%3D%22,%22scope%22:%22span%22%7D,%7B%22id%22:%22service-name%22,%22tag%22:%22service.name%22,%22operator%22:%22%3D%22,%22scope%22:%22resource%22,%22value%22:%5B%22ride-sharing-app%22%5D,%22valueType%22:%22string%22%7D%5D%7D%5D,%22range%22:%7B%22from%22:%22now-6h%22,%22to%22:%22now%22%7D%7D%7D&orgId=1), select a trace and click on a span that has a linked profile:
+Navigate to the [Explore page](http://localhost:3000/explore?schemaVersion=1&panes=%7B%22f36%22:%7B%22datasource%22:%22tempo%22,%22queries%22:%5B%7B%22refId%22:%22A%22,%22datasource%22:%7B%22type%22:%22tempo%22,%22uid%22:%22tempo%22%7D,%22queryType%22:%22traceqlSearch%22,%22limit%22:20,%22tableType%22:%22traces%22,%22filters%22:%5B%7B%22id%22:%22e73a615e%22,%22operator%22:%22%3D%22,%22scope%22:%22span%22%7D,%7B%22id%22:%22service-name%22,%22tag%22:%22service.name%22,%22operator%22:%22%3D%22,%22scope%22:%22resource%22,%22value%22:%5B%22rideshare.java.push.app%22%5D,%22valueType%22:%22string%22%7D%5D%7D%5D,%22range%22:%7B%22from%22:%22now-15m%22,%22to%22:%22now%22%7D%7D%7D&orgId=1), select a trace and click on a span that has a linked profile:
 
 ![image](https://github.com/grafana/otel-profiling-go/assets/12090599/31e33cd1-818b-4116-b952-c9ec7b1fb593)
 
 By default, only the root span gets labeled (the first span created locally): such spans are marked with the _link_ icon
-and have `pyroscope.profile.id` attribute set to the corresponding span ID.
+and have the `pyroscope.profile.id` attribute set to the corresponding span ID.
 Please note that presence of the attribute does not necessarily
 indicate that the span has a profile: stack trace samples might not be collected, if the utilized CPU time is
 less than the sample interval (10ms).
 
 ### Instrumentation
 
-- `rideshare` demo application instrumented with OpenTelemetry: [OTel integration](https://github.com/grafana/otel-profiling-java)
-- `pyroscope` itself is instrumented with `opentracing-go` SDK and [`spanprofiler`](https://github.com/grafana/dskit/tree/main/spanprofiler) for profiling integration.
+The `rideshare` demo application is instrumented with OpenTelemetry: [OTel integration](https://github.com/grafana/otel-profiling-java)
 
 ### Grafana Tempo configuration
 

examples/tracing/java/build.gradle.kts

@@ -12,6 +12,8 @@ repositories {
 }
 
 dependencies {
+    implementation("io.pyroscope:agent:0.16.0")
+
     implementation("org.springframework.boot:spring-boot-starter-web")
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.8.2")
     testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.8.2")

examples/tracing/java/docker-compose.yml

@@ -17,7 +17,6 @@ services:
       OTEL_TRACES_SAMPLER: always_on
       OTEL_PROPAGATORS: tracecontext
       REGION: us-east
-      PYROSCOPE_LABELS: region=us-east
       PYROSCOPE_SERVER_ADDRESS: http://pyroscope:4040
     build:
       context: .

examples/tracing/java/src/main/java/org/example/rideshare/Main.java

@@ -1,5 +1,6 @@
 package org.example.rideshare;
 
+import io.pyroscope.labels.Pyroscope;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
@@ -8,6 +9,9 @@
 @SpringBootApplication
 public class Main {
     public static void main(String[] args) {
+        Pyroscope.setStaticLabels(Map.of(
+                "region", System.getenv("REGION"),
+                "hostname", System.getenv("HOSTNAME")));
         SpringApplication.run(Main.class, args);
     }
 }

examples/tracing/java/src/main/java/org/example/rideshare/OrderService.java

@@ -1,5 +1,7 @@
 package org.example.rideshare;
 
+import io.pyroscope.labels.LabelsSet;
+import io.pyroscope.labels.Pyroscope;
 import org.springframework.stereotype.Service;
 
 import java.time.Duration;
@@ -14,16 +16,18 @@ public class OrderService {
     public static final Duration OP_DURATION = Duration.of(200, ChronoUnit.MILLIS);
 
     public synchronized void findNearestVehicle(int searchRadius, String vehicle) {
-        AtomicLong i = new AtomicLong();
-        Instant end = Instant.now()
-                .plus(OP_DURATION.multipliedBy(searchRadius));
-        while (Instant.now().compareTo(end) <= 0) {
-            i.incrementAndGet();
-        }
-
-        if (vehicle.equals("car")) {
-            checkDriverAvailability(searchRadius);
-        }
+        Pyroscope.LabelsWrapper.run(new LabelsSet("vehicle", vehicle), () -> {
+            AtomicLong i = new AtomicLong();
+            Instant end = Instant.now()
+                    .plus(OP_DURATION.multipliedBy(searchRadius));
+            while (Instant.now().compareTo(end) <= 0) {
+                i.incrementAndGet();
+            }
+
+            if (vehicle.equals("car")) {
+                checkDriverAvailability(searchRadius);
+            }
+        });
     }
 
     private void checkDriverAvailability(int searchRadius) {