Date: Sat, 13 Sep 2025 09:08:08 -0700 From: bob prohaska <fbsd@www.zefox.net> To: Brad Davis <brd@freebsd.org> Cc: Warner Losh <imp@bsdimp.com>, FreeBSD Current <freebsd-current@freebsd.org>, bob prohaska <fbsd@www.zefox.net> Subject: Re: Git and buildworld running at the same time Message-ID: <aMWW6GpzUwSufCTE@www.zefox.net> In-Reply-To: <e786ed05-5ce5-42dc-92bc-d6cfdd3ccc3d@app.fastmail.com> References: <aMWGWbI-8TwnAPnP@www.zefox.net> <f9ae18ca-13d9-4fdc-8ee4-6b1870ad67ad@app.fastmail.com> <CANCZdfrNw=AHLUcKxGzYoPQ7Zs=E2Wjp6Kqq4E3aU_LyBh_snA@mail.gmail.com> <e786ed05-5ce5-42dc-92bc-d6cfdd3ccc3d@app.fastmail.com>
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On Sat, Sep 13, 2025 at 09:53:46AM -0600, Brad Davis wrote: > On Sat, Sep 13, 2025, at 9:40 AM, Warner Losh wrote: > > > > > > On Sat, Sep 13, 2025 at 9:28 AM Brad Davis <brd@freebsd.org> wrote: > >> On Sat, Sep 13, 2025, at 8:57 AM, bob prohaska wrote: > >> > Lately I've noticed that sometimes while running buildworld a top > >> > window reports git running also. Up to now, I've surmised that > >> > this is intentional, with git providing some housekeeping function. > >> > > >> > Yesterday a buildworld session was accompanied by a prolonged > >> > interval of git running also, with a large memory footprint, > >> > near 1GB. That seems rather excessive. > >> > > >> > At the same time, it dawned on me that my recent habit has been > >> > to run git pull, immediately followed by buildworld. Might it be > >> > prudent to wait (how long?) to let git finish any housekeeping > >> > triggered by the pull command? It seems likely that any overlap > >> > could readily lead to inconsistencies which might account for > >> > some of the buildworld problems I've been encountering lately. > >> > >> This is part of the normal build process and how the output of uname -a includes bits like this: main-n280188-2024887abc7d-dirty or main-n280188-2024887abc7d > >> > >> To find out of the src tree is pristine or dirty the build process uses git to find out. > > > > Though that's only for the kernel, not for world builds. Right? > > It happens for world builds as well.. newvers.sh runs git (used to be svnlite) and is called in Makefile.inc1. > Is it normal for git to consume (while buildworld is running) close to 1 GB of memory for durations exceeding an hour? More fundamentally, is it OK to start buildworld immediately after a git pull finishes interactive output and returns a shell prompt? Thanks for writing! bob prohaska
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