From: Peter Korsgaard <peter@korsgaard.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH 2/2] core/instrumentation: shave minutes off the build time
Date: Mon, 19 Mar 2018 17:53:15 +0100 [thread overview]
Message-ID: <87sh8wknwk.fsf@dell.be.48ers.dk> (raw)
In-Reply-To: <1521477052.10662.140.camel@impinj.com> (Trent Piepho's message of "Mon, 19 Mar 2018 16:30:52 +0000")
>>>>> "Trent" == Trent Piepho <tpiepho@impinj.com> writes:
Hi,
> After fixing s/L/l/, here are the timings for a 15 minute build:
> configure 510.29
> build 166.12
> extract 45.53
> other 43.88
> hostinstall 35.43
> check_host_rpath 33.37
> check_bin_arch 28.30
> targetinstall 23.37
> stageinstall 15.97
> step_pkg_size 9.49
> Without ccache, the build step would be somewhat longer.
Looks good! (well, the configure step time is horrible).
>> Now, we also change the way we handle symlinks. Previously, we would
>> hash the file pointed to by the symlink. Now, we only look at the mtime
>> of the symlink itself, which still detects modifications.
> This patch also fixes a problem the previous system had w.r.t. broken
> symlinks. They did not show up as owned by any packages. Now they are
> owned by the package that creates the link. It also means a package
> that replaced a file which was linked to does not also appear,
> incorrectly, to replace all the links as well.
Ahh, ok - Good.
--
Bye, Peter Korsgaard
prev parent reply other threads:[~2018-03-19 16:53 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-15 20:35 [Buildroot] [PATCH 0/2] core/instrumentation: optimisations Yann E. MORIN
2018-03-15 20:35 ` [Buildroot] [PATCH 1/2] core/intrumetnation: don't spawn to get seconds-since-EPOCH Yann E. MORIN
2018-03-17 11:54 ` Cam Hutchison
2018-03-18 16:16 ` Yann E. MORIN
2018-03-19 16:15 ` Trent Piepho
2018-03-15 20:35 ` [Buildroot] [PATCH 2/2] core/instrumentation: shave minutes off the build time Yann E. MORIN
2018-03-18 14:14 ` Peter Korsgaard
2018-03-18 16:15 ` Yann E. MORIN
2018-03-18 16:33 ` Peter Korsgaard
2018-03-22 16:41 ` Thomas De Schampheleire
2018-03-22 16:50 ` Thomas Petazzoni
2018-03-22 17:11 ` Thomas De Schampheleire
2018-03-22 17:25 ` Trent Piepho
2018-03-22 22:39 ` Peter Korsgaard
2018-03-23 22:39 ` Arnout Vandecappelle
2018-03-23 23:03 ` Thomas Petazzoni
2018-03-19 16:30 ` Trent Piepho
2018-03-19 16:50 ` Thomas Petazzoni
2018-03-19 20:04 ` Peter Korsgaard
2018-03-20 21:47 ` Trent Piepho
2018-03-19 16:53 ` Peter Korsgaard [this message]
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