Hello Alex,
Am Thu, Dec 25, 2025 at 02:38:07PM +0100 schrieb Alejandro Colomar:

quoted

Subject: Re: Issue in man page  sigaction.2

I believe the report is about sprof.2.

No, probably sprof.1.

I rerun the example programm in sprof(1), and it works in the sense,
that no error is reported. However, there is also no sensible output
either, just the headers.

But I don't know (I'm not a programmer) if this is a problem or just a
normal output.

On Wed, Dec 24, 2025 at 02:38:24PM +0000, Helge Kreutzmann wrote:

quoted

Without further ado, the following was found:

Issue:     Inconsistency detected by ld.so: dl-open.c: 930: _dl_open: Assertion `_dl_debug_update (args.nsid)->r_state == RT_CONSISTENT' failed!

This has been reported in
<https://lore.kernel.org/linux-man/20251020093148.vve2nui3xtym4z6m@jwilk.net/ (local)>
and previously in
<https://lore.kernel.org/linux-man/ZznJf0DLo7CVHddl@meinfjell.helgefjelltest.de/ (local)>

Please go to the thread in
<https://lore.kernel.org/linux-man/87mshxxyol.fsf@oldenburg.str.redhat.com/ (local)>
where glibc maintainers are expecting feedback from you (or whoever
reported to you).

I was not aware that there was an open question directed to me, sorry.
I'm not sure how to properly answer that from this e-mail, I hope it
is sufficient that I simply CC libc-alpha@sourceware.org?

quoted

"$B< sprof -p libdemo.so.1 $LD_PROFILE_OUTPUT/libdemo.so.1.profile>;\n"
"Flat profile:\n"
"\\&\n"
"Each sample counts as 0.01 seconds.\n"
"  %   cumulative   self              self     total\n"
" time   seconds   seconds    calls  us/call  us/call  name\n"
" 60.00      0.06     0.06      100   600.00           consumeCpu1\n"
" 40.00      0.10     0.04     1000    40.00           consumeCpu2\n"
"  0.00      0.10     0.00        1     0.00           x1\n"
"  0.00      0.10     0.00        1     0.00           x2\n"

This looks like the following with me (Debian stable):

helge@twentytwo:/tmp$ sprof -p libdemo.so.1
$LD_PROFILE_OUTPUT/libdemo.so.1.profile
Flat profile:

Each sample counts as 0,01 seconds.
  %   cumulative   self              self     total
   time   seconds   seconds    calls  us/call  us/call  name

Greetings

         Helge

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