[PATCH] gprof: Copy a simple test from glibc

[H.J. Lu]

On Mon, Mar 31, 2025 at 9:00 AM Jan Beulich <jbeulich@suse.com> wrote:
>
> On 31.03.2025 17:02, H.J. Lu wrote:
> > On Mon, Mar 31, 2025 at 12:56 AM Jan Beulich <jbeulich@suse.com> wrote:
> >>
> >> On 28.03.2025 16:23, H.J. Lu wrote:
> >>> On Fri, Mar 28, 2025 at 1:46 AM Jan Beulich <jbeulich@suse.com> wrote:
> >>>>
> >>>> On 07.03.2025 00:00, H.J. Lu wrote:
> >>>>> Copy a simple gprof test from glibc to test the basic gprof functionality.
> >>>>>
> >>>>> PR gprof/32764
> >>>>> * Makefile.am (SUBDIRS): Add testsuite
> >>>>> * configure.ac (AC_CONFIG_FILES): Removed.
> >>>>> (AC_OUTPUT): Add Makefile testsuite/Makefile
> >>>>> po/Makefile.in:po/Make-in.
> >>>>> (AM_CONDITIONAL): Add NATIVE.
> >>>>> * Makefile.in: Regenerated.
> >>>>> * configure: Likewise.
> >>>>> * testsuite/Makefile.am: New file.
> >>>>> * testsuite/tst-gmon-gprof.sh: Likewise.
> >>>>> * testsuite/tst-gmon.c: Likewise.
> >>>>> * testsuite/Makefile.in: Generated.
> >>>>
> >>>> This and the other new test fail for me on both x86-64 systems I tried - the
> >>>> f3 line isn't present in gprof output. I fear I don't have the time to
> >>>> investigate from grounds up. IOW either I need pointers that make
> >>>> investigation reasonably easy, or I'll propose to disable the tests again
> >>>> until this is sorted. The one thing I did check is that the object file has
> >>>> all the supposed calls to mcount(). If it matters, one system is using gcc5,
> >>>> the other gcc7.
> >>>
> >>> These tests work for me with gcc 5.4.1 and 7.4.1.  Please try
> >>>
> >>> https://sourceware.org/pipermail/binutils/2025-March/140257.html
> >>
> >> Well, tst-gmon.o clearly had debug info (incl .debug_line) already. So no
> >> difference there. Ftaod tst-gmon similarly has debug info (incl .debug_line).
> >> Must be something else, possibly in gprof itself.
> >
> > Can you send me your gprof build directory, including tests?
>
> This is the state of the directory after the failure (plus the disassembly of
> the object file that I used to do the minimal checking that I mentioned). If
> by "including tests" you mean yet something else, please be specific.
>

Please send me the whole gprof build directory,  like

aarch64.o       cg_print.o     fsf_callg_bl.c  hertz.o        source.o
alpha.o         config.cache   fsf_callg_bl.o  hist.o         sparc.o
basic_blocks.o  config.log     gconfig.h       i386.o         stamp-h1
bsd_callg_bl.c  config.status  gmon_io.o       libtool        sym_ids.o
bsd_callg_bl.o  config.texi    gprof           Makefile       symtab.o
call_graph.o    corefile.o     gprof.1         mips.o         testsuite
cg_arcs.o       flat_bl.c      gprof.info      po             utils.o
cg_dfn.o        flat_bl.o      gprof.o         search_list.o  vax.o



-- 
H.J.