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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug gcov-profile/100751] __gcov_dump and __gcov_reset usage
Date: Tue, 25 May 2021 12:52:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100751

--- Comment #6 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
> So, I understand that __gcov_dump could be used only after doing all the
> testing with the application ,i.e- towards the end to get the
> profile/coverage info. Am I right?

Yes, and you don't need to call it manually. Profile automatically saved wh=
en
an application exits.

>=20
> Resetting run-time counters - does that mean it would not get reflected in
> .gcda files or the .c.gcov file contents created by gcov (assuming that t=
he
> application a.out is still on run )?

Yes, __gcov_reset is supposed to be called at the beginning when an applica=
tion
wants to start
profiling. Again, you don't need to call it manually.=