[Buildroot] [PATCH 2/2] core/instrumentation: shave minutes off the build time
Peter Korsgaard
peter at korsgaard.com
Mon Mar 19 16:53:15 UTC 2018
>>>>> "Trent" == Trent Piepho <tpiepho at 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
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