lrdp-v2: Added configurable timeout for each ramparser option.

Observed some of the ramparser option is getting stuck, added timeout value for each parse
Need to add --timeout <value> to kill the option after the timeout

Change-Id: I0576000095d9f938a523cab1f3e5ec709f6e81e2

linux-ramdump-parser-v2/README

@@ -44,6 +44,8 @@ linux-parser-output.txt is used
 
 --qtf-path <path> : QTF tool executable
 
+--timeout <timeout valye in secs>: each parser will be terminated within given time limit value
+
 The list of features parsed is constantly growing. Please use --help option
 to see the full list of features that can be parsed.
 
@@ -77,6 +79,8 @@ specify the paths to these tools. This can be done in three ways
     - After download the zip file, you will find a folder pyelftools-master.
     - Inside this folder you will find another folder named "elftools"
 	- copy that entire folder and paste it in below directory <installed Python path>\Lib\site-packages
+5) for --timeout option please do 'pip install func_timeout'
+    https://pypi.org/project/func-timeout/
 
 Just having gdb/nm on the path is not supported as there are too many
 variations on names to invoke.

linux-ramdump-parser-v2/ramparse.py

 #!/usr/bin/env python2
 
-# Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
+# Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 and
@@ -33,6 +33,7 @@ VERSION = '2.0'
 
 # quick check of system requirements:
 major, minor = sys.version_info[:2]
+
 if major != 2:
     print("This script requires python2 to run!\n")
     print("You seem to be running: " + sys.version)
@@ -83,6 +84,7 @@ def parse_ram_file(option, opt_str, value, parser):
     a.append((temp[0], int(temp[1], 16), int(temp[2], 16)))
     setattr(parser.values, option.dest, a)
 
+
 if __name__ == '__main__':
     usage = 'usage: %prog [options to print]. Run with --help for more details'
     parser = OptionParser(usage)
@@ -155,6 +157,7 @@ if __name__ == '__main__':
     parser.add_option('', '--ram-elf', dest='ram_elf_addr',
                       help='pass ap_minidump.elf generated by crashscope')
     parser.add_option('', '--sym_path', dest='sym_path', help='symbol path to all loadable modules')
+    parser.add_option('', '--timeout', dest='timeout', help='symbol path to all loadable modules')
 
     for p in parser_util.get_parsers():
         parser.add_option(p.shortopt or '',
@@ -394,7 +397,8 @@ if __name__ == '__main__':
         parsers_to_run = [p for p in parser_util.get_parsers()
                       if getattr(options, p.cls.__name__)
                       or (options.everything and not p.optional)]
-
+    if options.timeout:
+        from func_timeout import func_timeout, FunctionTimedOut
     for i,p in enumerate(parsers_to_run):
         if i == 0:
             sys.stderr.write("\n")
@@ -410,7 +414,13 @@ if __name__ == '__main__':
         before = time.time()
         with print_out_section(p.cls.__name__):
             try:
-                p.cls(dump).parse()
+                if options.timeout:
+                    try:
+                        func_timeout(int(options.timeout), p.cls(dump).parse)
+                    except Exception as e:
+                        print_out_str(e)
+                else:
+                    p.cls(dump).parse()
             except:
                 print_out_str('!!! Exception while running {0}'.format(p.cls.__name__))
                 print_out_exception()