# 'systemd-analyze blame' shows which services slow down your boot, sorted by time

**Date:** 2025-12-09  
**Tags:** Linux, systemd, Performance  
**URL:** https://kelexine.is-a.dev/til/linux-systemd-analyze

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TIL: 'systemd-analyze blame' shows which services slow down your boot, sorted by time. Combine with 'systemd-analyze critical-chain' to see the actual dependency chain blocking your boot. Great for optimizing startup time.


```bash
# Show slowest services
systemd-analyze blame | head -10

# Show critical path
systemd-analyze critical-chain

# Generate SVG visualization
systemd-analyze plot > boot.svg
```




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*This content is available at [kelexine.is-a.dev/til/linux-systemd-analyze](https://kelexine.is-a.dev/til/linux-systemd-analyze)*