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bitbake: parse/ast: Optimise data finalisation

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The optimisation where only the data we're interested in was finalised
was good but it turns out we can do better. In the case where a
class-extension is to be targeted, we can skip the other targets.

This change does that and speeds up parsing at the bitbake-worker
execution time. Specifically, you can see an improvement in the speed
of bitbake X -n.

(Bitbake rev: b56918c7ef7913e84356c69ee9b269844a446728)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2014-04-13 11:48:53 +01:00
parent 39c5cfbef7
commit 249a24eee0
1 changed files with 5 additions and 3 deletions
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8
bitbake/lib/bb/parse/ast.py
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@@ -337,8 +337,10 @@ def finalize(fn, d, variant = None):
bb.event.fire(bb.event.RecipeParsed(fn), d)
def _create_variants(datastores, names, function):
def _create_variants(datastores, names, function, onlyfinalise):
def create_variant(name, orig_d, arg = None):
if onlyfinalise and name not in onlyfinalise:
return
new_d = bb.data.createCopy(orig_d)
function(arg or name, new_d)
datastores[name] = new_d
@@ -430,7 +432,7 @@ def multi_finalize(fn, d):
except bb.parse.SkipPackage as e:
d.setVar("__SKIPPED", e.args[0])
_create_variants(datastores, versions, verfunc)
_create_variants(datastores, versions, verfunc, onlyfinalise)
extended = d.getVar("BBCLASSEXTEND", True) or ""
if extended:
@@ -460,7 +462,7 @@ def multi_finalize(fn, d):
bb.parse.BBHandler.inherit(extendedmap[name], fn, 0, d)
safe_d.setVar("BBCLASSEXTEND", extended)
_create_variants(datastores, extendedmap.keys(), extendfunc)
_create_variants(datastores, extendedmap.keys(), extendfunc, onlyfinalise)
for variant, variant_d in datastores.iteritems():
if variant: