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sstatesig: Optimise get_taskhash for hashequiv

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With hashequiv the get_taskhash function is called much more regularly
and contains expensive operations. This these don't change based upon
hash in a given build, improve the caching within the function to
reduce overhead.

(From OE-Core rev: de98cfe3cde4b8d5f4b163b5fba3f129651ef06a)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2019-12-14 12:51:24 +00:00
parent 6d738f4a6e
commit 58726c4a56
1 changed files with 11 additions and 2 deletions
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13
meta/lib/oe/sstatesig.py
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@@ -142,6 +142,13 @@ class SignatureGeneratorOEBasicHashMixIn(object):
def get_taskhash(self, tid, deps, dataCache):
h = super(bb.siggen.SignatureGeneratorBasicHash, self).get_taskhash(tid, deps, dataCache)
if tid in self.lockedhashes:
if self.lockedhashes[tid]:
return self.lockedhashes[tid]
else:
return h
h = super(bb.siggen.SignatureGeneratorBasicHash, self).get_taskhash(tid, deps, dataCache)
(mc, _, task, fn) = bb.runqueue.split_tid_mcfn(tid)
@@ -178,17 +185,19 @@ class SignatureGeneratorOEBasicHashMixIn(object):
% (recipename, task, h, h_locked, var))
return h_locked
self.lockedhashes[tid] = False
#bb.warn("%s %s %s" % (recipename, task, h))
return h
def get_unihash(self, tid):
if tid in self.lockedhashes:
if tid in self.lockedhashes and self.lockedhashes[tid]:
return self.lockedhashes[tid]
return super().get_unihash(tid)
def dump_sigtask(self, fn, task, stampbase, runtime):
tid = fn + ":" + task
if tid in self.lockedhashes:
if tid in self.lockedhashes and self.lockedhashes[tid]:
return
super(bb.siggen.SignatureGeneratorBasicHash, self).dump_sigtask(fn, task, stampbase, runtime)