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Re: [Qemu-devel] [PATCH v1 5/7] tests/migration-test: don't spam the log


From: Laurent Vivier
Subject: Re: [Qemu-devel] [PATCH v1 5/7] tests/migration-test: don't spam the logs when we fail
Date: Fri, 12 Jul 2019 15:49:41 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0

On 12/07/2019 15:35, Alex Bennée wrote:
> 
> Laurent Vivier <address@hidden> writes:
> 
>> On 12/07/2019 13:18, Alex Bennée wrote:
>>> Quite often the information about which test failed is hidden by the
>>> wall of repeated failures for each page. Stop outputting the error
>>> after 10 bad pages and just summarise the total damage at the end.
>>>
>>> Signed-off-by: Alex Bennée <address@hidden>
>>> ---
>>>  tests/migration-test.c | 19 ++++++++++++-------
>>>  1 file changed, 12 insertions(+), 7 deletions(-)
>>>
>>> diff --git a/tests/migration-test.c b/tests/migration-test.c
>>> index b6434628e1c..ce041f80c2a 100644
>>> --- a/tests/migration-test.c
>>> +++ b/tests/migration-test.c
>>> @@ -308,7 +308,7 @@ static void check_guests_ram(QTestState *who)
>>>      uint8_t first_byte;
>>>      uint8_t last_byte;
>>>      bool hit_edge = false;
>>> -    bool bad = false;
>>> +    int bad = 0;
>>>
>>>      qtest_memread(who, start_address, &first_byte, 1);
>>>      last_byte = first_byte;
>>> @@ -327,15 +327,20 @@ static void check_guests_ram(QTestState *who)
>>>                  hit_edge = true;
>>>                  last_byte = b;
>>>              } else {
>>> -                fprintf(stderr, "Memory content inconsistency at %x"
>>> -                                " first_byte = %x last_byte = %x current = 
>>> %x"
>>> -                                " hit_edge = %x\n",
>>> -                                address, first_byte, last_byte, b, 
>>> hit_edge);
>>> -                bad = true;
>>> +                bad++;
>>> +                if (bad <= 10) {
>>> +                    fprintf(stderr, "Memory content inconsistency at %x"
>>> +                            " first_byte = %x last_byte = %x current = %x"
>>> +                            " hit_edge = %x\n",
>>> +                            address, first_byte, last_byte, b, hit_edge);
>>> +                }
>>>              }
>>>          }
>>>      }
>>> -    g_assert_false(bad);
>>> +    if (bad >= 10) {
>>> +        fprintf(stderr, "and in another %d pages", bad);
>>
>> "bad - 10" as you have already displayed 10 errors.
> 
> Will do.

You can add my:

Reviewed-by: Laurent Vivier <address@hidden>

Thanks,
Laurent



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