tools/lldbmacros/plugins/speedtracer.py

   1 # A basic Plugin that creates performance reports from zprint output
   2 import urllib, urllib2
   3
   4 kern_version = None
   5 def plugin_init(kernel_target, config, lldb_obj, isConnected):
   6     """ initialize the common data as required by plugin """
   7     global kern_version
   8     kern_version = str(kernel_target.version)
   9
  10 def plugin_execute(command_name, result_output):
  11     """ The xnu framework will call this function with output of a command.
  12         The options for returning are as follows
  13         returns:  (status, outstr, further_cmds)
  14            status: Boolean - specifying whether plugin execution succeeded(True) or failed. If failed then xnu will stop doing any further work with this command.
  15            outstr: str - string output for user to be printed at the prompt
  16            further_cmds: [] of str - this holds set of commands to execute at the lldb prompt. Empty array if nothing is required.
  17     """
  18     status = True
  19     outstr = ''
  20     further_cmds = []
  21     submitvars = {}
  22     submitvars['type']="text"
  23     submitvars['log']=result_output
  24
  25     submiturl = "http://speedtracer.apple.com/trace/analyze?format=xml"
  26     encoded_data = urllib.urlencode(submitvars)
  27     request = urllib2.Request(submiturl, encoded_data, {"Accept":"application/xml"})
  28     response = urllib2.urlopen(request)
  29
  30     status = response.info()['status']
  31     if status == 201 or status == '201':
  32         outstr += "CrashTracer data found at " + response.info()['location']
  33         newurl = response.info()['location']
  34         import webbrowser
  35         webbrowser.open(newurl)
  36         status = True
  37     else:
  38         outstr += "unknown response from server \n" + str(response.info())
  39         status = False
  40
  41     return (status, outstr, further_cmds)
  42
  43 def plugin_cleanup():
  44     """ A cleanup call from xnu which is a signal to wrap up any open file descriptors etc. """
  45     return None
  46
  47