Add trace_pipe utility

pythonbpf/__init__.py

@@ -1,5 +1,6 @@
 from .decorators import bpf, map, section, bpfglobal, struct
 from .codegen import compile_to_ir, compile, BPF
+from .utils import trace_pipe
 
 __all__ = [
     "bpf",
@@ -10,4 +11,5 @@ __all__ = [
     "compile_to_ir",
     "compile",
     "BPF",
+    "trace_pipe",
 ]

pythonbpf/utils.py

@@ -0,0 +1,9 @@
+import subprocess
+
+
+def trace_pipe():
+    """Util to read from the trace pipe."""
+    try:
+        subprocess.run(["cat", "/sys/kernel/tracing/trace_pipe"])
+    except KeyboardInterrupt:
+        print("Tracing stopped.")