//tools/binary_size: source_path information, change file format, fixes

tools/binary_size/describe.py

Index: tools/binary_size/describe.py
diff --git a/tools/binary_size/describe.py b/tools/binary_size/describe.py
index f64992da1e1b877aa40e836daa7d5a36ce68478c..8e4a066173197f00c8ed7002c33369a06d38459e 100644
--- a/tools/binary_size/describe.py
+++ b/tools/binary_size/describe.py
@@ -3,7 +3,9 @@
 # found in the LICENSE file.
 """Methods for converting model objects to human-readable formats."""
 
+import datetime
 import itertools
+import time
 
 import models
 
@@ -35,7 +37,8 @@ class Describer(object):
       return
 
     yield '{}@0x{:<8x}  {:<7} {}'.format(
-        sym.section, sym.address, sym.size, sym.path or '<no path>')
+        sym.section, sym.address, sym.size,
+        sym.source_path or sym.object_path or '{no path}')
     if sym.name:
       yield '{:22}{}'.format('', sym.name)
 
@@ -78,9 +81,10 @@ class Describer(object):
 
   def GenerateLines(self, obj):
     if isinstance(obj, models.SizeInfo):
+      metadata_desc = 'Metadata: %s' % DescribeSizeInfoMetadata(obj)
       section_desc = self._DescribeSectionSizes(obj.section_sizes)
       group_desc = self.GenerateLines(obj.symbols)
-      return itertools.chain(section_desc, ('',), group_desc)
+      return itertools.chain((metadata_desc,), section_desc, ('',), group_desc)
 
     if isinstance(obj, models.SymbolDiff):
       return self._DescribeSymbolDiff(obj)
@@ -129,6 +133,20 @@ def DescribeSizeInfoCoverage(size_info):
       yield '+ ' + one_stat(attributed_syms)
 
 
+def _UtcToLocal(utc):
+    epoch = time.mktime(utc.timetuple())
+    offset = (datetime.datetime.fromtimestamp(epoch) -
+              datetime.datetime.utcfromtimestamp(epoch))
+    return utc + offset
+
+
+def DescribeSizeInfoMetadata(size_info):
+  time_str = 'Unknown'
+  if size_info.timestamp:
+    time_str = _UtcToLocal(size_info.timestamp).strftime('%Y-%m-%d %H:%M:%S')
+  return 'time=%s tag=%s' % (time_str, size_info.tag)
+
+
 def GenerateLines(obj, verbose=False):
   return Describer(verbose).GenerateLines(obj)