Openbsd support (#562)

psutil/__init__.py

@@ -122,6 +122,9 @@
 elif sys.platform.startswith("freebsd"):
     from . import _psbsd as _psplatform
 
+elif sys.platform.startswith("openbsd"):
+    from . import _psbsd as _psplatform
+
 elif sys.platform.startswith("sunos"):
     from . import _pssunos as _psplatform
     from ._pssunos import (CONN_IDLE,  # NOQA

psutil/_psbsd.py

@@ -9,6 +9,7 @@
 import errno
 import functools
 import os
+import sys
 import xml.etree.ElementTree as ET
 from collections import namedtuple
 
@@ -84,6 +85,8 @@ def virtual_memory():
 
 def swap_memory():
     """System swap memory as (total, used, free, sin, sout) namedtuple."""
+    if sys.platform.startswith("openbsd"):
+        PAGESIZE = 1
     total, used, free, sin, sout = [x * PAGESIZE for x in cext.swap_mem()]
     percent = usage_percent(used, total, _round=1)
     return _common.sswap(total, used, free, percent, sin, sout)
@@ -135,6 +138,8 @@ def cpu_count_physical():
     # We may get None in case "sysctl kern.sched.topology_spec"
     # is not supported on this BSD version, in which case we'll mimic
     # os.cpu_count() and return None.
+    if sys.platform.startswith("openbsd"):
+        return cext.cpu_count_logical()
     ret = None
     s = cext.cpu_count_phys()
     if s is not None: