tests: import cpu_load.py.

tests/soak/cpu_load.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+"""
+Put the machine's CPUs under pressure to increase the likelihood of scheduling
+weirdness. Useful for exposing otherwise difficult to hit races in the library.
+"""
+
+import multiprocessing
+
+def burn():
+    while 1: pass
+
+mul = 2
+count = int(mul * multiprocessing.cpu_count())
+print count
+
+procs = [multiprocessing.Process(target=burn)
+         for _ in range(count)]
+
+for i, proc in enumerate(procs):
+    print([i])
+    proc.start()