Date: Fri, 18 Jun 2021 19:13:52 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: Warner Losh <imp@bsdimp.com>, "freebsd-arch@freebsd.org" <arch@freebsd.org> Subject: Re: It's time to kill statistical profiling Message-ID: <YMzGQD/72YE9pj3P@kib.kiev.ua> In-Reply-To: <202106181359.15IDxrbL098657@critter.freebsd.dk> References: <202106180736.15I7aYmk068064@critter.freebsd.dk> <CANCZdfr5po5gc2JjjJTd7sWoL9z0sHWQK9myhy774rz%2BH9MYJA@mail.gmail.com> <YMymX%2BoPVKSQpCAe@kib.kiev.ua> <202106181359.15IDxrbL098657@critter.freebsd.dk>
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On Fri, Jun 18, 2021 at 01:59:53PM +0000, Poul-Henning Kamp wrote: > -------- > Konstantin Belousov writes: > > > You cannot remove a kernel feature without breaking ABI. > > I do not see why do we need to remove it. > > Which ABI would that be ? ITIMER_PROF of course. It is consumed by several language runtimes for whatever reasons, see debian source code search. I am less concerned about profil(2).
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