add hg and python

sys/lib/python/mercurial/lsprofcalltree.py

@@ -0,0 +1,86 @@
+"""
+lsprofcalltree.py - lsprof output which is readable by kcachegrind
+
+Authors:
+    * David Allouche <david <at> allouche.net>
+    * Jp Calderone & Itamar Shtull-Trauring
+    * Johan Dahlin
+
+This software may be used and distributed according to the terms
+of the GNU General Public License, incorporated herein by reference.
+"""
+
+def label(code):
+    if isinstance(code, str):
+        return '~' + code    # built-in functions ('~' sorts at the end)
+    else:
+        return '%s %s:%d' % (code.co_name,
+                             code.co_filename,
+                             code.co_firstlineno)
+
+class KCacheGrind(object):
+    def __init__(self, profiler):
+        self.data = profiler.getstats()
+        self.out_file = None
+
+    def output(self, out_file):
+        self.out_file = out_file
+        print >> out_file, 'events: Ticks'
+        self._print_summary()
+        for entry in self.data:
+            self._entry(entry)
+
+    def _print_summary(self):
+        max_cost = 0
+        for entry in self.data:
+            totaltime = int(entry.totaltime * 1000)
+            max_cost = max(max_cost, totaltime)
+        print >> self.out_file, 'summary: %d' % (max_cost,)
+
+    def _entry(self, entry):
+        out_file = self.out_file
+
+        code = entry.code
+        #print >> out_file, 'ob=%s' % (code.co_filename,)
+        if isinstance(code, str):
+            print >> out_file, 'fi=~'
+        else:
+            print >> out_file, 'fi=%s' % (code.co_filename,)
+        print >> out_file, 'fn=%s' % (label(code),)
+
+        inlinetime = int(entry.inlinetime * 1000)
+        if isinstance(code, str):
+            print >> out_file, '0 ', inlinetime
+        else:
+            print >> out_file, '%d %d' % (code.co_firstlineno, inlinetime)
+
+        # recursive calls are counted in entry.calls
+        if entry.calls:
+            calls = entry.calls
+        else:
+            calls = []
+
+        if isinstance(code, str):
+            lineno = 0
+        else:
+            lineno = code.co_firstlineno
+
+        for subentry in calls:
+            self._subentry(lineno, subentry)
+        print >> out_file
+
+    def _subentry(self, lineno, subentry):
+        out_file = self.out_file
+        code = subentry.code
+        #print >> out_file, 'cob=%s' % (code.co_filename,)
+        print >> out_file, 'cfn=%s' % (label(code),)
+        if isinstance(code, str):
+            print >> out_file, 'cfi=~'
+            print >> out_file, 'calls=%d 0' % (subentry.callcount,)
+        else:
+            print >> out_file, 'cfi=%s' % (code.co_filename,)
+            print >> out_file, 'calls=%d %d' % (
+                subentry.callcount, code.co_firstlineno)
+
+        totaltime = int(subentry.totaltime * 1000)
+        print >> out_file, '%d %d' % (lineno, totaltime)