binarysize tool: Cleaning up some progress output.

R=primiano

BUG=

Review URL: https://codereview.chromium.org/399683004

Cr-Commit-Position: refs/heads/master@{#292999}

build/android/pylib/symbols/elf_symbolizer.py

@@ -13,6 +13,7 @@ import re
 import subprocess
 import sys
 import threading
+import time
 
 
 # addr2line builds a possibly infinite memory cache that can exhaust
@@ -184,12 +185,17 @@ class ELFSymbolizer(object):
 
   def _CreateDisambiguationTable(self):
     """ Non-unique file names will result in None entries"""
+    start_time = time.time()
+    logging.info('Collecting information about available source files...')
     self.disambiguation_table = {}
 
     for root, _, filenames in os.walk(self.source_root_path):
       for f in filenames:
         self.disambiguation_table[f] = os.path.join(root, f) if (f not in
                                        self.disambiguation_table) else None
+    logging.info('Finished collecting information about '
+                 'possible files (took %.1f s).',
+                 (time.time() - start_time))
 
 
   class Addr2Line(object):

tools/binary_size/run_binary_size_analysis.py

@@ -541,7 +541,7 @@ def RunElfSymbolizer(outfile, library, addr2line_binary, nm_binary, jobs,
 
         sys.stdout.write('\r%.1f%%: Looked up %d symbols (%d collisions, '
               '%d disambiguations where %.1f%% succeeded)'
-              '- %.1f lookups/s.' %
+              ' - %.1f lookups/s.' %
               (progress_percent, progress.count, progress.collisions,
                progress.disambiguations, disambiguation_percent, speed))
 
@@ -618,7 +618,6 @@ def RunElfSymbolizer(outfile, library, addr2line_binary, nm_binary, jobs,
 
 
 def RunNm(binary, nm_binary):
-  print('Starting nm')
   cmd = [nm_binary, '-C', '--print-size', '--size-sort', '--reverse-sort',
          binary]
   nm_process = subprocess.Popen(cmd,
@@ -632,7 +631,6 @@ def RunNm(binary, nm_binary):
     else:
       raise Exception, process_output
 
-  print('Finished nm')
   return process_output