[Buildroot] [PATCH 2/2] core/instrumentation: shave minutes off the build time

Peter Korsgaard peter at korsgaard.com
Thu Mar 22 22:39:20 UTC 2018


>>>>> "Thomas" == Thomas Petazzoni <thomas.petazzoni at bootlin.com> writes:

Hi,

 > These are all valid concerns, but what do you suggest ?

 > The current approach of hashing all files clearly doesn't scale, as a
 > significant amount of build time is now spent on hashing files.

Indeed. If the choice is between huge overhead vs potentially minor
inaccuracies in these list, then I think the choice is made fast, even
though the inaccuracies aren't nice - Especially if we have a plan for
fixing the the inaccuracies going forward (E.G. toplevel parallel
builds).

-- 
Bye, Peter Korsgaard


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