[bitbake-devel] [PATCH 1/2] runqueue/siggen: Optimise hash equiv queries
Richard Purdie
richard.purdie at linuxfoundation.org
Tue Sep 10 14:15:54 UTC 2019
We only have hash equivalence for setscene tasks so only query the server
for those, reducing the number of connections needed.
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
lib/bb/runqueue.py | 1 +
lib/bb/siggen.py | 8 ++++++++
2 files changed, 9 insertions(+)
diff --git a/lib/bb/runqueue.py b/lib/bb/runqueue.py
index addb2bb82f..45bfec8c37 100644
--- a/lib/bb/runqueue.py
+++ b/lib/bb/runqueue.py
@@ -1173,6 +1173,7 @@ class RunQueueData:
self.prepare_task_hash(tid)
bb.parse.siggen.writeout_file_checksum_cache()
+ bb.parse.siggen.set_setscene_tasks(self.runq_setscene_tids)
#self.dump_data()
return len(self.runtaskentries)
diff --git a/lib/bb/siggen.py b/lib/bb/siggen.py
index b503559305..8d3f2e8784 100644
--- a/lib/bb/siggen.py
+++ b/lib/bb/siggen.py
@@ -106,6 +106,7 @@ class SignatureGeneratorBasic(SignatureGenerator):
self.taints = {}
self.gendeps = {}
self.lookupcache = {}
+ self.setscenetasks = {}
self.basewhitelist = set((data.getVar("BB_HASHBASE_WHITELIST") or "").split())
self.taskwhitelist = None
self.init_rundepcheck(data)
@@ -151,6 +152,9 @@ class SignatureGeneratorBasic(SignatureGenerator):
return taskdeps
+ def set_setscene_tasks(self, setscene_tasks):
+ self.setscenetasks = setscene_tasks
+
def finalise(self, fn, d, variant):
mc = d.getVar("__BBMULTICONFIG", False) or ""
@@ -394,6 +398,10 @@ class SignatureGeneratorUniHashMixIn(object):
taskhash = self.taskhash[tid]
+ # If its not a setscene task we can return
+ if self.setscenetasks and tid not in self.setscenetasks:
+ return taskhash
+
key = self.__get_task_unihash_key(tid)
# TODO: This cache can grow unbounded. It probably only needs to keep
--
2.20.1
More information about the bitbake-devel
mailing list