Re: [Valgrind-users] massif problem - Unknown option: --undef-value-errors=no

[/ <is...@ya...>]

Thanks for your reply,


On 16/02/19 17:08, Philippe Waroquiers wrote:
> --undef-value-errors is not a massif option, it is a memcheck option.
I haven't specified that option at all! I don't know where it gets it 
from. All I want is to get a memory profile of my program and the net 
all over points to

    valgrind --tool=massif executable

that's all.

> 
> So, it is completely normal that massif reports that this is an
> unknown option.
> 
> If you want to have the list of options massif understands,
> you have to do:
>    valgrind --tool=massif --help
> 
> If you do not specify a tool, then valgrind defaults to memcheck.
> 
> Note that you can also prefix options with the tool they are
> aimed at.
> So, e.g.
>    valgrind --tool=massif --memcheck:undef-value-errors=no executable
> does not complain.
sorry but that fails with same error in my system

valgrind: Unknown option: --undef-value-errors=no
valgrind: Use --help for more information or consult the user manual.


> 
> Philippe
> 
> On Sat, 2019-02-16 at 15:20 +0200, / via Valgrind-users wrote:
>> Hi people, I get the following error when I try to invoke "massif" in
>> the most simple manner:
>>
>>      valgrind: Unknown option: --undef-value-errors=no
>>      valgrind: Use --help for more information or consult the user manual.
>>
>> Command to reproduce the error:
>>
>>      valgrind --verbose --tool=massif executable
>>
>> where executable was the program i wanted to check (compiled with -g)
>>
>> even a simple
>>
>>      valgrind --verbose --tool=massif /bin/bash
>>
>> produces the same error
>>
>> ** Valgrind version:
>> valgrind-3.14.0
>>
>> Fedora, linux 4.18.19-100
>>
>> Many thanks,
>> a.
>>
>>
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