[m-users.] Grade for profiling

[Julien Fischer]

Hi Volker,

On Mon, 20 Mar 2023, Volker Wysk wrote:

> Am Montag, dem 20.03.2023 um 13:17 +0100 schrieb Volker Wysk:
>> Am Montag, dem 20.03.2023 um 21:29 +1100 schrieb 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?
>>
>> Yes, it does. It's a megabyte big.
>
> This is how I build my program:
>
> mmc -j8 -E --make \
>    --grade asm_fast.gc.debug.stseg \
>    --output-compile-error-lines=200 \
>    --cflags "$(pkg-config --cflags glib-2.0)" \
>    --cflags "$(pkg-config --cflags mhash)" \
>    --ml colipa \
>    -lodbc -lpthread -ldl \
>    --cflag "-DMODBC_UNIX" --cflag "-DMODBC_MYSQL" \
>    `pkg-config --libs glib-2.0` \
>    `pkg-config --libs mhash` \
>    "$PROG"

The above doesn't specify a profiling grade, so it's presumably not
quite how you built it.  If you want to zip up and the profiling files
(Prof.Decl, Prof.Counts and Prof.CallPair) and email them to me
directly, I can take a further look.

Julien.




>
> Bye
> Volker
>