Expose process metrics on Linux (#5342)

Author: sandhose

Cargo.lock

@@ -401,6 +401,8 @@ features = ["trace", "metrics"]
 [workspace.dependencies.opentelemetry-http]
 version = "0.31.0"
 features = ["reqwest"]
+[workspace.dependencies.opentelemetry-instrumentation-process]
+version = "0.1.2"
 [workspace.dependencies.opentelemetry-instrumentation-tokio]
 version = "0.1.2"
 [workspace.dependencies.opentelemetry-jaeger-propagator]

Cargo.toml

@@ -57,6 +57,7 @@ tracing-subscriber.workspace = true
 tracing-opentelemetry.workspace = true
 opentelemetry.workspace = true
 opentelemetry-http.workspace = true
+opentelemetry-instrumentation-process.workspace = true
 opentelemetry-instrumentation-tokio.workspace = true
 opentelemetry-jaeger-propagator.workspace = true
 opentelemetry-otlp.workspace = true

crates/cli/Cargo.toml

@@ -59,6 +59,8 @@ pub fn setup(config: &TelemetryConfig) -> anyhow::Result<()> {
     init_tracer(&config.tracing).context("Failed to configure traces exporter")?;
     init_meter(&config.metrics).context("Failed to configure metrics exporter")?;
 
+    opentelemetry_instrumentation_process::init()
+        .context("Failed to configure process instrumentation")?;
     opentelemetry_instrumentation_tokio::observe_current_runtime();
 
     Ok(())