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removed unused imports which made the code harder to read, and slightly
but less efficient
(Bitbake rev: 4367692a932ac135c5aa4f9f2a4e4f0150f76697)
Signed-off-by: Frazer Clews <frazer.clews@codethink.co.uk>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(Bitbake rev: 35784582fdbb2092eddec094deb6ab9c87666b5e)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The hashserve can delete its socket whilst the cleanup us happening leading to
backtraces and test failures.
Add code to avoid this race condition.
[YOCTO #13542]
(Bitbake rev: efd7b025cee25d0ee668c09476395d08fcf5ae1a)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Currently runqueue will rerun setscene tasks multiple times as hashes
change. This has caused numerous problems since a setscene task may
become "unavailable" for some future signature combination and the code
then can't easily "unskip" tasks its already passed into the execution
queue.
At least for now, only run setscene once and assume they're equivalent
at that point. In practise that has been much more stable in testing.
Tweak the test to match the change in behaviour.
(Bitbake rev: 4205a3ef23834f317642bba155d67cd772176fb6)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Tasks were not migrating consistently, particularly:
* if a task was rehashed which had already run
* if a task which was valid became invalid due to a rehash
We need to always run the migration code for rehashed tasks and then
reprocess them for hash validity. This means rearranging the code.
It also means several tests are no longer correct and can't be written
correctly to work on all possible workflows so those are removed.
(Bitbake rev: 8443989ee41e9b162972935513e437b5c66ea74d)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Reworks the hash equivalence server to address performance issues that
were encountered with the REST mechanism used previously, particularly
during the heavy request load encountered during signature generation.
Notable changes are:
1) The server protocol is no longer HTTP based. Instead, it uses a
simpler JSON over a streaming protocol link. This protocol has much
lower overhead than HTTP since it eliminates the HTTP headers.
2) The hash equivalence server can either bind to a TCP port, or a Unix
domain socket. Unix domain sockets are more efficient for local
communication, and so are preferred if the user enables hash
equivalence only for the local build. The arguments to the
'bitbake-hashserve' command have been updated accordingly.
3) The value to which BB_HASHSERVE should be set to enable a local hash
equivalence server is changed to "auto" instead of "localhost:0". The
latter didn't make sense when the local server was using a Unix
domain socket.
4) Clients are expected to keep a persistent connection to the server
instead of creating a new connection each time a request is made for
optimal performance.
5) Most of the client logic has been moved to the hashserve module in
bitbake. This makes it easier to share the client code.
6) A new bitbake command has been added called 'bitbake-hashclient'.
This command can be used to query a hash equivalence server, including
fetching the statistics and running a performance stress test.
7) The table indexes in the SQLite database have been updated to
optimize hash lookups. This change is backward compatible, as the
database will delete the old indexes first if they exist.
8) The server has been reworked to use python async to maximize
performance with persistently connected clients. This requires Python
3.5 or later.
(Bitbake rev: 2124eec3a5830afe8e07ffb6f2a0df6a417ac973)
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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There were paths being accidentally included in some of the hashserv tests. Remove
that and update the hashes so the tests work independently of paths.
(Bitbake rev: 6ddb9f09cb60c2354fa6a67cce412c4dc1e7dc2d)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The event from the task notifiing of hash equivalency should only be processed
when the task completes. This can otherwise result in a race where a dependent
task may run before the original task completes causing various failures.
To make this work reliably, the code had to be restructured quite a bit.
(Bitbake rev: 1bf5be46f92f125193638cf41ff207d68f592259)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Add some extra hash equivalence runqueue tests based on recent scenarios
that caused problems during testing.
(Bitbake rev: 373b085ead992a725b2230ededd992b4c61a1a05)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Add a test which tests the runqueue adaptations for hash equivalency.
(Bitbake rev: 477321d0780df177c1582db119c2bb6795912fc6)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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If you specify both setscene and non-setscene tasks on the commandline, the
non-setscene tasks could be missed, e.g. "bitbake X:do_patch X:do_populate_sysroot"
and do_patch would fail to run.
Fix the problem in runqueue and add a testcase.
(Bitbake rev: 75292fdec5d9c0b5b3c554c4b7474a63656f7e12)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Currently if a multiconfig build contains different configurations which
have overlapping sstate artefacts, it will build them multiple times.
This is clearly suboptimal and not what users want/expect.
This adds code to detect this and stall all but one of the setscne tasks
so that once its built, it can be found by the other tasks.
We take care to iterate the multiconfigs in order so try and avoid
dependency loops. We also match on PN+taskname+taskhash since this is
what we know sstate in OE-Core would use. There are some tasks even within
a multiconfig which match hashes (mostly do_populate_lic tasks) but those
have a much higher chance of circular dependency so aren't work attempting
to optimise.
If a deadlock does occur the build will be slower but there is code to
unbreak such a deadlock so it hopefully doens't break anything.
Comments are injected into the test tasks so they have different task
hashes and a new test for this optimisation is added.
(Bitbake rev: a75c5fd6d4ec56836de0be2fe679c81297a080ad)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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We need some tests for runqueue, its been something which has been hard to test
for a long time. Add some dummy metadata to allow this, mirroring the OE
structure in spirit.
(Bitbake rev: 37564d7440c5d7aa05ec537f3b79026b1c83bb68)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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