lrdp-v2: add progress indicator

It can be useful to know which parser is currently running and
how long each parser takes to run. Add some progress status
reporting to this end.

Change-Id: Ifc063feb4769fee02f0622d7a2c5ddf176ae00dc

linux-ramdump-parser-v2/ramparse.py

@@ -21,6 +21,7 @@ from __future__ import print_function
 import sys
 import os
 import re
+import time
 from optparse import OptionParser
 
 import parser_util
@@ -300,17 +301,29 @@ if __name__ == '__main__':
         get_wdog_timing(dump)
         print_out_str('---------- end watchdog time-----')
 
-    for p in parser_util.get_parsers():
-        # we called parser.add_option with dest=p.cls.__name__ above,
-        # so if the user passed that option then `options' will have a
-        # p.cls.__name__ attribute.
-        if getattr(options, p.cls.__name__) or (options.everything and not p.optional):
-            with print_out_section(p.cls.__name__):
-                try:
-                    p.cls(dump).parse()
-                except:
-                    print_out_str('!!! Exception while running {0}'.format(p.cls.__name__))
-                    print_out_exception()
+    # we called parser.add_option with dest=p.cls.__name__ above,
+    # so if the user passed that option then `options' will have a
+    # p.cls.__name__ attribute.
+    parsers_to_run = [p for p in parser_util.get_parsers()
+                      if getattr(options, p.cls.__name__)
+                      or (options.everything and not p.optional)]
+    for i,p in enumerate(parsers_to_run):
+        if i == 0:
+            sys.stderr.write("\n")
+        sys.stderr.write("    [%d/%d] %s ... " %
+                         (i + 1, len(parsers_to_run), p.longopt))
+        before = time.time()
+        with print_out_section(p.cls.__name__):
+            try:
+                p.cls(dump).parse()
+            except:
+                print_out_str('!!! Exception while running {0}'.format(p.cls.__name__))
+                print_out_exception()
+                sys.stderr.write("FAILED! ")
+        sys.stderr.write("%fs\n" % (time.time() - before))
+        sys.stderr.flush()
+
+    sys.stderr.write("\n")
 
     if options.t32launcher or options.everything:
         dump.create_t32_launcher()