[m-users.] Grade for profiling

[Volker Wysk]

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"

Bye
Volker
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