Re: [PATCH] Add support for Tilera TILE-Gx processor (part 2/2: gdb)

[Jeff Kenton <jkenton@tilera.com>]

On 04/30/2012 02:43 PM, Pedro Alves wrote:
> I meant to reply to this before, but it slipped...
>
> On 04/20/2012 04:23 PM, Jeff Kenton wrote:
>>
>>                  === gdb Summary ===
>>
>> # of expected passes            18181
>> # of unexpected failures        625
>
> Did you look at what is causing these hundreds of failures?  Although there
> are thousands of passes, such high failure rate is usually indicative of
> something badly borked.  You'd be surprised at how far in testsuite results
> you can get with a gdb that manages to loads programs, but is a brick
> at actually debugging live programs ...
>

A small number of tests are causing 75% of them (FAIL counts and test 
names shown):

      12 FAIL: gdb.base/break-interp.exp:
      13 FAIL: gdb.base/args.exp:
      14 FAIL: gdb.threads/thread-find.exp:
      15 FAIL: gdb.opt/inline-cmds.exp:
      15 FAIL: gdb.threads/tls.exp:
      16 FAIL: gdb.threads/watchpoint-fork.exp:
      18 FAIL: gdb.trace/save-trace.exp:
      24 FAIL: gdb.threads/linux-dp.exp:
     100 FAIL: gdb.threads/attach-into-signal.exp:
     112 FAIL: gdb.cp/meth-typedefs.exp:
     114 FAIL: gdb.base/sigstep.exp:

--jeff kenton