stats: better expose statistics to python.

Build a python list and dict of all stats and expose flags properly.

--HG--
rename : src/python/m5/stats.py => src/python/m5/stats/__init__.py

1 files changed, 110 insertions, 0 deletions

diff --git a/src/python/m5/stats/__init__.py b/src/python/m5/stats/__init__.py
new file mode 100644
index 000000000..612dbdfb5
--- /dev/null
+++ b/src/python/m5/stats/__init__.py
@@ -0,0 +1,110 @@
+# Copyright (c) 2007 The Regents of The University of Michigan
+# Copyright (c) 2010 The Hewlett-Packard Development Company
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+
+from m5 import internal
+from m5.internal.stats import schedStatEvent as schedEvent
+from m5.objects import Root
+from m5.util import attrdict
+
+def initText(filename, desc=True):
+    internal.stats.initText(filename, desc)
+
+def initMySQL(host, database, user='', passwd='', project='test', name='test',
+              sample='0'):
+    if not user:
+        import getpass
+        user = getpass.getuser()
+
+    internal.stats.initMySQL(host, database, user, passwd, project, name,
+                             sample)
+
+def initSimStats():
+    internal.stats.initSimStats()
+
+names = []
+stats_dict = {}
+stats_list = []
+raw_stats_list = []
+def enable():
+    '''Enable the statistics package.  Before the statistics package is
+    enabled, all statistics must be created and initialized and once
+    the package is enabled, no more statistics can be created.'''
+    __dynamic_cast = []
+    for k, v in internal.stats.__dict__.iteritems():
+        if k.startswith('dynamic_'):
+            __dynamic_cast.append(v)
+
+    for stat in internal.stats.statsList():
+        for cast in __dynamic_cast:
+            val = cast(stat)
+            if val is not None:
+                stats_list.append(val)
+                raw_stats_list.append(val)
+                break
+        else:
+            fatal("unknown stat type %s", stat)
+
+    def less(stat1, stat2):
+        v1 = stat1.name.split('.')
+        v2 = stat2.name.split('.')
+        return v1 < v2
+
+    stats_list.sort(less)
+    for stat in stats_list:
+        stats_dict[stat.name] = stat
+
+    internal.stats.enable()
+
+def dump():
+    # Currently prepare happens in the dump, but we should maybe move
+    # that out.
+
+    #internal.stats.prepare()
+    internal.stats.dump()
+
+def reset():
+    # call reset stats on all SimObjects
+    root = Root.getInstance()
+    if root:
+        for obj in root.descendants(): obj.resetStats()
+
+    # call any other registered stats reset callbacks
+    internal.stats.reset()
+
+flags = attrdict({
+    'none'    : 0x0000,
+    'init'    : 0x0001,
+    'display' : 0x0002,
+    'total'   : 0x0010,
+    'pdf'     : 0x0020,
+    'cdf'     : 0x0040,
+    'dist'    : 0x0080,
+    'nozero'  : 0x0100,
+    'nonan'   : 0x0200,
+})