Re: [Chromium-users] help! use pack to generate an local GL trace file

[Brian P. <bri...@tu...>]

Daniel Leo wrote:
> Hi,
> I have need to use pack spu to generate an local gl trace file.and the
> spus chain I have  configured is
> client.simplequery->client.simplerquery->packspu->output_file.
>=20
> the following are the contents of config file:
> --------------------------------------------------------
> import sys
> sys.path.append( '../server' )
> from mothership import *
>=20
> if len(sys.argv) !=3D 3:
>        print 'Usage: %s <demo> output_file' % sys.argv[0]
>        sys.exit(-1)
>=20
> demo =3D sys.argv[1]
> output_file =3D sys.argv[2]
>=20
> pack_spu =3D SPU( 'pack' )
> sq_spu =3D SPU( 'simplequery' )
>=20
> server_spu =3D SPU( 'NONE' )
> client_node =3D CRApplicationNode( )
> client_node.AddSPU( sq_spu )
> client_node.AddSPU( SPU( 'simplerquery' ) )
                            ^^^^^^^^^^^^^^
That should be 'simplequery'.


> client_node.AddSPU( pack_spu )
> pack_spu.AddServer( None, r'file://%s' % output_file )
>=20
> #client_node.SetApplication( '%s' % (os.path.join(crbindir, demo)) )
> #client_node.StartDir( crbindir )
> client_node.SetApplication( demo )
>=20
> cr =3D CR()
> cr.MTU( 32*1024 )
> cr.AddNode( client_node )
> cr.Go()
>=20
> ----------------------------------------
>=20
> after I typed the command lines :
>     python myconf.conf fonttest $(MYDIR)/output_file &
>     crappfaker &
> the following error messages were printed :
> -------------------------------------------
> MOTHERSHIP EXCEPTION!  TERRIBLE!
> Traceback (most recent call last):
>  File "../server/mothership.py", line 987, in Go
>    self.ProcessRequest( self.wrappers[sock] )
>  File "../server/mothership.py", line 1910, in ProcessRequest
>    fn( sock_wrapper, arguments)
>  File "../server/mothership.py", line 1456, in do_servers
>    host =3D node.host
> AttributeError: 'NoneType' object has no attribute 'host'
> CR Error(localhost:2556): Bad Mothership response: 8=EF=BF=BD=03
> =04
> -----------------------------------------------------------
>=20
> then,my questions are:
> 1. how to setup the attribute 'host'?
> 2. whether a server is necessary in spus chain?
> 3. I have configured another spus chain in this form:
>   client.simplequery->client.simplerquery->packspu->server.print->outpu=
t_file
>   and if the server is a necessary one in chain , i wonder whether the
> contents of the output_file are identical to those generated by
>   client.simplequery->client.simplerquery->packspu->output_file=20
>=20

This problem is fixed in the CVS head code.  The attached patch for=20
mothership.py from Chromium 1.7 should fix it.

-Brian