init eACGM

eacgm/collector/__init__.py

@@ -0,0 +1 @@
+from .profetto import to_perfetto

eacgm/collector/profetto.py

@@ -0,0 +1,21 @@
+from typing import List
+
+from eacgm.sampler import eBPFSamplerState
+
+def to_perfetto(states:List[eBPFSamplerState]) -> List:
+    res = []
+    last_event = {}
+    for state in states:
+        if not isinstance(state, eBPFSamplerState):
+            continue
+        state = state.collect()
+        name = f"{state['name']}-{state['pid']}"
+        last_state = last_event.get(name, None)
+        if last_state is None:
+            last_event[name] = state
+            continue
+        if last_state["ph"] == "B" and state["ph"] == "E":
+            res.append(last_state)
+            res.append(state)
+        last_event[name] = state
+    return res