thread-dump-analyzer

Thread Dump Analyzer - Auto-activating skill for Performance Testing. Triggers on: thread dump analyzer, thread dump analyzer Part of the Performance Testing skill category.

1.03x

Quality

Does it follow best practices?

Impact

89%

1.03x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./planned-skills/generated/10-performance-testing/thread-dump-analyzer/SKILL.md

Evaluation results

95%

Thread Dump Investigation: Production Hang

Deadlock detection and step-by-step thread dump analysis

Criteria

Without context

With context

Step-by-step structure

60%

90%

Deadlock identified

100%

Deadlocked thread names

100%

Lock objects identified

100%

Circular wait explained

100%

Thread state inventory

50%

100%

Industry-standard terminology

100%

Remediation recommendations

100%

Output is a file

100%

No false positives

100%

Validation statement

33%

Without context: $0.2100 · 1m 7s · 10 turns · 11 in / 3,934 out tokens

With context: $0.4053 · 1m 41s · 20 turns · 277 in / 5,352 out tokens

82%

Automate Thread Dump Analysis for Load Testing Pipeline

Production-ready load-test thread dump analysis script

Criteria

Without context

With context

Script file created

100%

Accepts input argument

100%

Thread state counts

100%

Deadlock detection

100%

Top stack frames

100%

Structured output

100%

Error handling

100%

Load test context

100%

Script runs correctly

100%

Summary report written to file

Usage documentation

100%

Without context: $0.4089 · 1m 39s · 19 turns · 20 in / 5,809 out tokens

With context: $0.5838 · 2m 8s · 26 turns · 315 in / 8,462 out tokens

91%

Investigate Response Time Spikes During Benchmark Run

Benchmarking spike analysis with thread state distribution

Criteria

Without context

With context

Step-by-step sections

100%

Thread state counts

60%

70%

BLOCKED percentage noted

100%

Bottleneck identified

100%

Lock contention described

100%

No deadlock confirmed

100%

Benchmarking context

100%

Actionable recommendations

100%

Output written to file

100%

Validation statement

25%

Industry terminology

100%

Without context: $0.2886 · 1m 26s · 12 turns · 13 in / 4,162 out tokens

With context: $0.4169 · 2m 1s · 21 turns · 276 in / 5,672 out tokens

Repository: jeremylongshore/claude-code-plugins-plus-skills
Commit: 0c08951

Evaluated: 17 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Thread Dump Investigation: Production Hang Automate Thread Dump Analysis for Load Testing Pipeline Investigate Response Time Spikes During Benchmark Run

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