Ceph eBPF Toolkit

A curated collection of eBPF tracing tools for Ceph

Tools

OSD

• osdhotobjs.bt - Count most accessed objects on an OSD [bpftrace]
• osdomapsnoop.bt - Trace OMap operations [bpftrace]
• osdopsnoop.bt - Trace OSD operations [bpftrace]

RADOS Gateway

• rgwophist.bt - Show RGW frontend operation latency as a histogram [bpftrace]
• rgwopsnoop.bt - Trace RGW frontend operations [bpftrace]

RADOS

Based on Objecter USDT

Requires PR #61495

• radosophist.bt - Show RADOS client operation latency as a histogram [bpftrace]
• radostrace.bt - Trace RADOS client operations [bpftrace]
• radostrace.py - Trace RADOS client operations start to finish with latencies [BCC]
• radostrace2.py - Trace RADOS client operations [BCC]