Add stress test for user-events logs exporter (#142)

Author: lalitb

stress/Cargo.toml

@@ -4,11 +4,16 @@ version = "0.1.0"
 edition = "2021"
 publish = false
 
-[[bin]] # Bin to run the metrics stress tests for Logs UserEvent Exporter
+[[bin]]
 name = "eventheader"
 path = "src/eventheader.rs"
 doc = false
 
+[[bin]]
+name = "user_events"
+path = "src/user_events.rs"
+doc = false
+
 [dependencies]
 ctrlc = "3.2.5"
 lazy_static = "1.4.0"
@@ -17,6 +22,12 @@ num-format = "0.4.4"
 sysinfo = { version = "0.32", optional = true }
 eventheader_dynamic = "0.4.0"
 
+opentelemetry-appender-tracing = { workspace = true, features= ["spec_unstable_logs_enabled"] }
+opentelemetry_sdk = { workspace = true, features = ["logs", "spec_unstable_logs_enabled"] }
+opentelemetry-user-events-logs = { path = "../opentelemetry-user-events-logs", features = ["spec_unstable_logs_enabled"]}
+tracing = { version = "0.1", default-features = false, features = ["std"] }
+tracing-subscriber = { version = "0.3.0", default-features = false, features = ["registry", "std"] }
+
 [features]
 stats = ["sysinfo"]
 

stress/src/user_events.rs

@@ -0,0 +1,68 @@
+//! Run this stress test using `$ sudo -E ~/.cargo/bin/cargo run --bin user_events --release -- <num-of-threads>`.
+//!
+//! IMPORTANT:
+//!     To test with `user_events` enabled, perform the following step before running the test:
+//!     - Add `1` to `/sys/kernel/debug/tracing/events/user_events/testprovider_L4K1Gtestprovider/enable`:
+//!         `echo 1 > /sys/kernel/debug/tracing/events/user_events/testprovider_L4K1Gtestprovider/enable`
+//!     To test with `user_events` disabled, perform the following step:
+//!     - Add `0` to `/sys/kernel/debug/tracing/events/user_events/testprovider_L4K1Gtestprovider/enable`:
+//!         `echo 0 > /sys/kernel/debug/tracing/events/user_events/testprovider_L4K1Gtestprovider/enable`
+//!
+//!
+// Conf - AMD EPYC 7763 64-Core Processor 2.44 GHz, 64GB RAM, Cores:8 , Logical processors: 16
+// Stress Test Results (user_events disabled)
+// Threads: 1 - Average Throughput: 30,866,752 iterations/sec
+// Threads: 5 - Average Throughput: 32,662,641 iterations/sec
+// Threads: 10 - Average Throughput: 25,776,394 iterations/sec
+// Threads: 16 - Average Throughput: 16,915,860 iterations/sec
+
+// Stress Test Results (user_events enabled)
+// Threads: 1 - Average Throughput: 212,594 iterations/sec
+// Threads: 5 - Average Throughput: 372,695 iterations/sec
+// Threads: 10 - Average Throughput: 277,675 iterations/sec
+// Threads: 16 - Average Throughput: 268,940 iterations/sec
+
+use opentelemetry_appender_tracing::layer;
+use opentelemetry_sdk::logs::LoggerProvider;
+use opentelemetry_user_events_logs::{ExporterConfig, ReentrantLogProcessor, UserEventsExporter};
+use std::collections::HashMap;
+use tracing::info;
+use tracing_subscriber::prelude::*;
+mod throughput;
+
+// Function to initialize the logger
+fn init_logger() -> LoggerProvider {
+    let exporter_config = ExporterConfig {
+        default_keyword: 1,
+        keywords_map: HashMap::new(),
+    };
+    let exporter = UserEventsExporter::new("testprovider", None, exporter_config);
+    let reentrant_processor = ReentrantLogProcessor::new(exporter);
+    LoggerProvider::builder()
+        .with_log_processor(reentrant_processor)
+        .build()
+}
+
+// Function that performs the logging task
+fn log_event_task() {
+    info!(
+        name = "my-event-name",
+        event_id = 20,
+        user_name = "otel user",
+        user_email = "[email protected]"
+    );
+}
+
+fn main() {
+    // Initialize the logger
+    let logger_provider = init_logger();
+    let layer = layer::OpenTelemetryTracingBridge::new(&logger_provider);
+    tracing_subscriber::registry().with(layer).init();
+
+    // Use the provided stress test framework
+    println!("Starting stress test for UserEventsExporter...");
+    throughput::test_throughput(|| {
+        log_event_task();
+    });
+    println!("Stress test completed.");
+}