SGLang Bisect CI Regression

Bisect SGLang CI regressions by analyzing GitHub Actions logs and commit history.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/rayleizhu/sglang --skill sglang-bisect-ci-regression
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: SGLang Bisect CI Regression
Source: https://github.com/rayleizhu/sglang/tree/main/.claude/skills/sglang-bisect-ci-regression
Command: npx skills add https://github.com/rayleizhu/sglang --skill sglang-bisect-ci-regression

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps pinpoint the exact cause of failing CI tests, whether it's a new code regression, a hardware issue, or an environment change, saving significant debugging time.

Core Features & Use Cases

  • Automated Bisection: Identifies the specific commit that introduced a CI regression.
  • Root Cause Analysis: Differentiates between code bugs, hardware/runner issues, and environment drift.
  • Remote Reproduction: Optionally reproduces failures on a remote GPU server for deeper analysis.
  • Use Case: A critical test in the CI pipeline starts failing consistently. Use this Skill to quickly determine if a recent merge caused the issue or if a specific GPU runner is faulty.

Quick Start

Use the sglang-bisect-ci-regression skill to investigate the failing test 'test_lora_tp.py' by providing its name as the first argument.

Frequently Asked Questions about SGLang Bisect CI Regression

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

FAQPage Schema
How do I find the specific commit that caused a CI regression?

To find the specific commit causing a CI regression, you can automate bisection to analyze GitHub Actions logs and commit history, pinpointing the exact change that introduced the failure.

What is the best way to debug failing GitHub Actions tests in SGLang?

The best way to debug failing GitHub Actions tests in SGLang is to use automated bisection to analyze logs, differentiate between code bugs and hardware issues, and optionally reproduce failures on remote SSH targets.

Can I reproduce CI test failures on a remote GPU server?

Yes, you can reproduce CI test failures on a remote GPU server by configuring optional remote reproduction on specified SSH targets and Docker containers for deeper root cause analysis.

How do I tell if a CI failure is a code regression or a hardware issue?

To tell if a CI failure is a code regression or a hardware issue, perform root cause analysis during bisection to differentiate between code bugs, faulty GPU runners, and environment drift.

How do I investigate a specific failing test like test_lora_tp.py?

To investigate a specific failing test like test_lora_tp.py, invoke the bisection skill and provide the test name as the first argument to analyze its recent commit history and CI logs.

What are the limitations of automated bisection for CI troubleshooting?

Automated bisection for CI troubleshooting depends on accessible GitHub Actions logs and commit history, and may require optional remote SSH targets and Docker containers to fully reproduce hardware-specific or environmental failures.