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"""Trace every uproc RPC handler with enter/leave hooks.
Run from the tool root:
./greeneye.sh run examples/scripts/trace_rpc.py
The script namespace provides ``s``/``session``, ``memory``, ``symbols``,
``recorder`` and ``ge`` (the greeneye package).
"""
NAMES = ["rpc_ping", "rpc_echo", "rpc_fill", "rpc_sum", "rpc_state", "rpc_fault"]
events = []
for name in NAMES:
sym = symbols.get(name)
if sym is None:
print(f"symbol {name} not found")
continue
s.hook(
sym.addr,
on_enter=lambda hit: events.append(("enter", hit.label(), hit.arg(0))),
on_leave=lambda hit: events.append(("leave", hit.label(), hit.retval)),
)
s.run(duration=1.0)
print(f"{len(events)} hook events:")
for kind, label, value in events:
print(f" {kind:5} {label:14} {value:#018x}")
recorder.event("trace_complete", events=len(events))
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