Example Indexes All Examples By Keyword For systemtap version 5.0. Best Examples general/helloworld.stp - SystemTap "Hello World" Program general/para-callgraph.stp - Callgraph Tracing with Arguments general/varwatch.stp - Watch a Variable Changing Value in a Thread general/whythefail.stp - Why did the function fail? network/netfilter_summary.stp - System-Wide Count of Network Packets by IPs netwo