[m-users.] Grade for profiling

[Julien Fischer]

On Mon, 20 Mar 2023, Volker Wysk wrote:

> Hi, Julien
>
> Am Montag, dem 20.03.2023 um 09:40 +1100 schrieb Julien Fischer:
>> Hi Volker,
>>
>> On Sun, 19 Mar 2023, Volker Wysk wrote:
>>
>>> I want to profile my program, but when using mprof, I get only lines like
>>> this:
>>>
>>>  0.0       0.00     0.00 49576032     0.00     0.00
>>> unknown__140325205178080 [140]
>>>
>>> All names begin with "unknown_...".
>>>
>>> My guess is, that debug symbols must be compiled in. My profiling grade is
>>> "asm_fast.gc.prof", so no debug symbols.
>>
>> The .prof component should be all that is required for (time) profiling
>> to work; there's no need for anything additional
>
> So why are all the names "unknown__..."? It isn't usable this way...

If they are all "unknown__...", then something is wrong. The profiler
builds a table of addresses to procedure names; if it can't find an
entry for a given address in that table it outputs it as "unknown__...".
When you run a program with profiling enabled, that table should be
written to the file Prof.Decl. When you run your program, does the file
Prof.Decl contain any entries?

Julien.