[racket] Statistical profiler doesn't return a complete report with JIT

Does the executable from the package have debugging info stripped away?
The Racket JIT needs some DWARF information to reconstruct the call
stack for backtraces and profiling on x86_64.

At Fri, 16 Nov 2012 13:18:54 -0200, Diogo F. S. Ramos wrote:
> I'm using Ubuntu 12.04 x86_64 and the statistical profiler is not
> returning a report with the procedures called during the execution of a
> thunk.
> 
> The package installed through the PPA (using apt-get) was
> `5.3.1-20121108~precise'.
> 
> I've attached a test program at the bottom of this message.
> 
> When the program is run using `racket --no-jit ...', a report is
> printed, with the procedures called, but when I run it using `racket
> ...', no procedure is listed.
> 
> $ racket fib-profile.rkt
> Profiling results
> -----------------
>    Total cpu time observed: 2514ms (out of 2592ms)
>    Number of samples taken: 50 (once every 50ms)
> 
> ====================================
>                          Caller
> Idx  Total    Self    Name+srcLocal%
>       ms(pct)  ms(pct)   Callee
> ====================================
> 
> $ racket --no-jit fib-profile.rkt
> Profiling results
> -----------------
>    Total cpu time observed: 86859ms (out of 86997ms)
>    Number of samples taken: 1728 (once every 50ms)
> 
> =============================================================
>                                    Caller
> Idx    Total         Self       Name+src               Local%
>         ms(pct)       ms(pct)      Callee
> =============================================================
> [1] 86859(100.0%)     0(0.0%)   profile-thunk12
> ...t/collects/profile/main.rkt:9:0
>                                    call-handled-body [2]100.0%
> -------------------------------------------------------------
>                                    profile-thunk12 [1]  100.0%
> [2] 86859(100.0%)     0(0.0%)   call-handled-body ...private/more-
> scheme.rkt:204:2
>                                    run [3]              100.0%
> -------------------------------------------------------------
>                                    call-handled-body [2]100.0%
> [3] 86859(100.0%)     0(0.0%)   run
> ...share/racket/collects/profile/main.rkt:29:2
>                                    temp1 [4]            100.0%
> -------------------------------------------------------------
>                                    run [3]              100.0%
> [4] 86859(100.0%)     0(0.0%)   temp1 /tmp/fib-profile.rkt:11:1
>                                    fib [5]              100.0%
> -------------------------------------------------------------
>                                    temp1 [4]             18.6%
>                                    fib [5]               81.4%
> [5] 86859(100.0%) 86859(100.0%) fib /tmp/fib-profile.rkt:5:0
>                                    fib [5]               81.4%
> -------------------------------------------------------------
> 
> I'm suspicious of the package because I can get a report using the JIT
> if I compile Racket from the git repository using the tag v5.3 and tag
> v5.3.1 and also with the released source distribution v5.3.1 from the
> website.
> 
> ;;; fib-profile.rkt
> #lang racket
> 
> (require profile)
> 
> (define (fib n)
>    (if (<= n 2)
>        1
>        (+ (fib (- n 1)) (fib (- n 2)))))
> 
> (profile-thunk
>   (thunk (fib 38))
>   #:repeat 4)
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