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DevEco Profiler

4 articles · Page 1 of 1

Aug 25, 2026 · Frontend Development

ArkWeb Performance Deep Dive: Load, Interaction & Frame Rate Optimization

This guide details ArkWeb performance optimization across four dimensions—page load, load completion delay, click response, and frame rate—using DevEco Profiler and DevTools to trace bottlenecks and apply techniques like pre-rendering, Code Cache, async JSBridge, and same-layer rendering for smooth HarmonyOS web experiences.

ArkWebCode CacheDevEco Profiler

0 likes · 12 min read

ArkWeb Performance Deep Dive: Load, Interaction & Frame Rate Optimization

HarmonyOS Developer Technology

Aug 19, 2026 · Mobile Development

HarmonyOS 6 Diagnostic Tools Deep Dive: Pinpoint App Stability Issues from Memory Leaks to Freezes

This article details six HarmonyOS diagnostic tools—GWPAsan for buffer overflows, AppFreeze enhanced logs for main-thread stalls, JSLeakWatcher for ArkTS memory leaks, AppFreeze-Analysis for AI-driven freeze diagnosis, APMS for proactive alerting, and DevEco Profiler for native memory leaks—explaining each tool's mechanism, core value, and target scenarios to help developers quickly resolve stability issues.

AppFreezeDevEco ProfilerGWPAsan

0 likes · 10 min read

HarmonyOS 6 Diagnostic Tools Deep Dive: Pinpoint App Stability Issues from Memory Leaks to Freezes

HarmonyOS Developer Technology

Aug 12, 2026 · Mobile Development

ArkTS `import lazy`: One Keyword Cuts Cold-Start Bloat via Compiler-Runtime Loop

ArkTS introduces the `import lazy` syntax to defer module execution until first use, reducing cold-start latency by ~15% through compiler-runtime collaboration and integrated profiling tools that detect, mark, verify, and quantify redundant loads without rewriting call sites.

ArkTSDevEco ProfilerHSP

0 likes · 10 min read

ArkTS `import lazy`: One Keyword Cuts Cold-Start Bloat via Compiler-Runtime Loop

HarmonyOS Developer Technology

Jul 24, 2026 · Mobile Development

Locating Native Memory Leaks in HarmonyOS Apps: Complete Profiling Workflow

This article details common causes of native memory leaks in HarmonyOS apps and provides a step-by-step workflow using DevEco Profiler's Allocation template to reproduce, identify, analyze, and fix leaks via Native Heap and call stack analysis, illustrated with a real-world case study.

Allocation TemplateC/C++ Memory ManagementCall Stack Analysis

0 likes · 12 min read

Locating Native Memory Leaks in HarmonyOS Apps: Complete Profiling Workflow