[m-users.] Grade for profiling

[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.

Volker
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