strace-syscall-diagnosis

Name: strace-syscall-diagnosis
Availability: InStock
Author: openEuler

Correlate strace and ltrace traces with kernel logic to diagnose process hangs.

3|2|Updated Apr 24, 2026

Search Tags:#performance #debugging #linux #kernel #strace #syscall

Ready to run

npx skills add https://github.com/openeuler-mirror/witty-diagnosis-agent --skill strace-syscall-diagnosis

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: strace-syscall-diagnosis
Source: https://github.com/openeuler-mirror/witty-diagnosis-agent/tree/main/skills/strace-syscall-diagnosis
Command: npx skills add https://github.com/openeuler-mirror/witty-diagnosis-agent --skill strace-syscall-diagnosis

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires strace, ltrace, bc, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This skill resolves complex system-level performance bottlenecks and process hangs by correlating low-level system call traces with kernel-level execution logic.

Core Features & Use Cases

Dual-Track Analysis: Simultaneously analyzes syscall execution patterns (strace/ltrace) and kernel-level semantic behavior to ensure high-confidence root cause identification.
Automated Fault Classification: Automatically categorizes issues into patterns like permission errors (EACCES), resource leaks (FD/Memory), or synchronization bottlenecks (futex/epoll).
Use Case: When a production service experiences intermittent latency spikes or "Too many open files" errors, this skill identifies whether the issue stems from application-level resource leaks, kernel configuration limits, or inefficient syscall retry loops.

Quick Start

Run the strace-syscall-diagnosis skill by providing the target process ID to initiate a baseline diagnostic capture and automated branch recommendation.

Frequently Asked Questions about strace-syscall-diagnosis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I diagnose process hangs and resource leaks using strace?▼

To diagnose process hangs and resource leaks using strace, you trace system calls and correlate them with kernel-level execution logic. This isolates root causes like FD leaks or synchronization contention by analyzing syscall error patterns and cross-validating kernel behavior.

What is the best way to troubleshoot Linux system call latency spikes?▼

The best way to troubleshoot Linux system call latency spikes is performing a parallel trajectory analysis using strace and ltrace. This dual-track approach cross-validates kernel-level behavior against syscall execution patterns to ensure high-confidence root cause identification for slow I/O.

Can I use strace and ltrace together for root cause isolation?▼

Yes, you can use strace and ltrace together for root cause isolation. Simultaneously analyzing syscall execution traces and library calls alongside kernel-level semantic logic ensures high-confidence identification of performance bottlenecks and process hangs.

How do I find the cause of Too many open files errors in Linux?▼

To find the cause of Too many open files errors in Linux, you analyze system call traces to identify whether the issue stems from application-level resource leaks, kernel configuration limits, or inefficient syscall retry loops using automated fault classification.

Does strace diagnosis require kernel-level semantic logic to isolate root causes?▼

Yes, strace diagnosis requires kernel-level semantic logic to isolate root causes deterministically. Correlating low-level system call traces with kernel execution logic resolves complex performance bottlenecks and process hangs that single-track tracing cannot identify.

Why does strace show EACCES permission errors during system troubleshooting?▼

Strace shows EACCES permission errors during system troubleshooting when automated fault classification detects syscall error patterns. Correlating these traces with kernel-level execution logic isolates whether the root cause is application-level or kernel configuration limits.