Debug code enabled on Systemtap verison: 0.8?

[Buddy Lumpkin]

Why not turn that behavior on with a command line option?

As an example, You can turn on all kinds of convenient, additional
behavior in perl to enhance the ability to do one liners by adding
command line switches.

--Buddy

On Wed, Jan 7, 2009 at 1:40 PM, Frank Ch. Eigler <fche@redhat.com> wrote:
> "Buddy Lumpkin" <buddy.lumpkin@gmail.com> writes:
>
>> Sorry if this is a duplicate, I already sent this once to
>> systemtap@sourceware.org, re-sending to systemtap@sources.redhat.com.
>
> (They are equivalent aliases.)
>
>
>> This is the extra line that is printed:
>> node_addr=0x0
>
> This is a consequence of feature sources.redhat.com/PR5686.
>
>
>> There is a global variable called node_addr in my script. A small
>> adjustment to some code made the message go away:
>>
>> this causes the message to occur:
>>
>>            if ((node_addr = node_addr(node_id + 1)))
>>                [...]
>
> In this case, the node_addr variable is not read, so it is
> automagically printed.  (The value of the node_addr() function is used
> as an rvalue for the if expression.)
>
>> Written this way, it goes away:
>>
>>            node_addr = node_addr(node_id + 1);
>>            if (node_addr)
>>                [...]
>
> In this case, the node_addr variable is read, so the
> automagic global printing is not active.
>
> - FChE
>