Adding gem5 source to svn.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1819 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

simulators/gem5/util/stats/display.py

@@ -0,0 +1,151 @@
+# Copyright (c) 2003-2004 The Regents of The University of Michigan
+# 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
+
+class Value:
+    def __init__(self, value, precision, percent = False):
+        self.value = float(value)
+        self.precision = precision
+        self.percent = percent
+    def __str__(self):
+        if isinstance(self.value, str):
+            if self.value.lower() == 'nan':
+                value = 'NaN'
+            if self.value.lower() == 'inf':
+                value = 'Inf'
+        else:
+            if self.precision >= 0:
+                format = "%%.%df" % self.precision
+            elif self.value == 0.0:
+                format = "%.0f"
+            elif self.value % 1.0 == 0.0:
+                format = "%.0f"
+            else:
+                format = "%f"
+            value = self.value
+            if self.percent:
+                value = value * 100.0
+            value = format % value
+
+        if self.percent:
+            value = value + "%"
+
+        return value
+
+class Print:
+    def __init__(self, **vals):
+        self.__dict__.update(vals)
+
+    def __str__(self):
+        value = Value(self.value, self.precision)
+        pdf = ''
+        cdf = ''
+        if self.__dict__.has_key('pdf'):
+            pdf = Value(self.pdf, 2, True)
+        if self.__dict__.has_key('cdf'):
+            cdf = Value(self.cdf, 2, True)
+
+        output = "%-40s %12s %8s %8s" % (self.name, value, pdf, cdf)
+
+        if descriptions and self.__dict__.has_key('desc') and self.desc:
+            output = "%s # %s" % (output, self.desc)
+
+        return output
+
+    def doprint(self):
+        if display_all:
+            return True
+        if self.value == 0.0 and (self.flags & flags_nozero):
+            return False
+        if isinstance(self.value, str):
+            if self.value == 'NaN' and (self.flags & flags_nonan):
+                return False
+        return True
+
+    def display(self):
+        if self.doprint():
+            print self
+
+class VectorDisplay:
+    def display(self):
+        if not self.value:
+            return
+
+        p = Print()
+        p.flags = self.flags
+        p.precision = self.precision
+
+        if not isinstance(self.value, (list, tuple)):
+            p.name = self.name
+            p.desc = self.desc
+            p.value = self.value
+            p.display()
+            return
+
+        mytotal = reduce(lambda x,y: float(x) + float(y), self.value)
+        mycdf = 0.0
+
+        value = self.value
+
+        if display_all:
+            subnames = [ '[%d]' % i for i in range(len(value)) ]
+        else:
+            subnames = [''] * len(value)
+
+        if self.__dict__.has_key('subnames'):
+            for i,each in enumerate(self.subnames):
+                if len(each) > 0:
+                    subnames[i] = '.%s' % each
+
+        subdescs = [self.desc]*len(value)
+        if self.__dict__.has_key('subdescs'):
+            for i in xrange(min(len(value), len(self.subdescs))):
+                subdescs[i] = self.subdescs[i]
+
+        for val,sname,sdesc in map(None, value, subnames, subdescs):
+            if mytotal > 0.0:
+                mypdf = float(val) / float(mytotal)
+                mycdf += mypdf
+                if (self.flags & flags_pdf):
+                    p.pdf = mypdf
+                    p.cdf = mycdf
+
+            if len(sname) == 0:
+                continue
+
+            p.name = self.name + sname
+            p.desc = sdesc
+            p.value = val
+            p.display()
+
+        if (self.flags & flags_total):
+            if (p.__dict__.has_key('pdf')): del p.__dict__['pdf']
+            if (p.__dict__.has_key('cdf')): del p.__dict__['cdf']
+            p.name = self.name + '.total'
+            p.desc = self.desc
+            p.value = mytotal
+            p.display()