📖 NAME
BPF-HELPERS - list of eBPF helper functions
🚀 Quick Reference
| Use Case | Command | Description |
|---|---|---|
| 🗺️ Look up map element | bpf_map_lookup_elem(map, key) | Find value associated with key in a map |
| 📝 Update map element | bpf_map_update_elem(map, key, value, flags) | Add or update entry in a map |
| ❌ Delete map element | bpf_map_delete_elem(map, key) | Remove entry from a map |
| 🐛 Print debug message | bpf_trace_printk(fmt, fmt_size, ...) | Print formatted message to trace log |
| ⏱️ Get monotonic time | bpf_ktime_get_ns() | Nanoseconds since boot (excl. suspend) |
| 👤 Get current PID/TGID | bpf_get_current_pid_tgid() | 64-bit: tgid
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