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Baidu Intelligent Cloud Tech Hub
Baidu Intelligent Cloud Tech Hub
May 26, 2026 · Operations

When CPUs Hide GPU Bottlenecks: How Btune 2.0 Automates Latency Analysis to Uncover Performance Issues

The article presents a real‑world migration case where a CPU‑XPU bottleneck limited inference QPS, explains how Btune 2.0’s new latency‑focused diagnostics pinpointed a kernel lock contention in the halolet component, and shows the AI Agent’s automated, cross‑process analysis that restored performance and reduced cost.

AI infrastructureCPU-GPU bottleneckCross-process analysis
0 likes · 11 min read
When CPUs Hide GPU Bottlenecks: How Btune 2.0 Automates Latency Analysis to Uncover Performance Issues
Architect
Architect
Jan 12, 2023 · Operations

Critical Path Analysis for Latency Optimization in Large Distributed Systems

This article explains common latency analysis techniques, details the principles and implementation of critical path tracing, and demonstrates its practical application in Baidu App's recommendation service to efficiently identify and reduce performance bottlenecks in complex distributed architectures.

Distributed SystemsLatency analysiscritical-path
0 likes · 14 min read
Critical Path Analysis for Latency Optimization in Large Distributed Systems
Architecture & Thinking
Architecture & Thinking
Jan 5, 2023 · Operations

How Critical Path Tracing Cuts Latency in Large Distributed Systems

This article explains why latency analysis is crucial for user experience in large distributed services, reviews common methods such as RPC monitoring, CPU profiling, and distributed tracing, and then dives deep into the principles, implementation, aggregation, storage, and visualization of critical path analysis, showcasing its practical impact in Baidu's App recommendation platform.

Latency analysisObservabilitycritical path tracing
0 likes · 15 min read
How Critical Path Tracing Cuts Latency in Large Distributed Systems
Baidu Geek Talk
Baidu Geek Talk
Dec 26, 2022 · Operations

How Critical Path Tracing Cuts Latency in Large Distributed Systems

This article explains why latency analysis is crucial for modern online services, compares common techniques such as RPC monitoring, CPU profiling, and distributed tracing, and then details the principle, implementation, and real‑world impact of critical‑path analysis in large‑scale distributed systems.

Latency analysisbackend optimizationcritical path tracing
0 likes · 14 min read
How Critical Path Tracing Cuts Latency in Large Distributed Systems