https://bugs.kde.org/show_bug.cgi?id=365633
Bug ID: 365633
Summary: GUI freezes due to assistant problem hack
Product: kdevelop
Version: git master
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: grave
Priority: NOR
Component: Language Support: CPP (Clang-based)
Assignee: kdevelop-bugs-n...@kde.org
Reporter: m...@milianw.de
The merge of the assistant-ng branch shows a big issue with the hack that is
used to show problems in the editor for assistant ranges. Namely, we have this
now:
void ProblemReporterPlugin::updateReady(const IndexedString& url, const
KDevelop::ReferencedTopDUContext& top)
{
{
DUChainWriteLocker lock(DUChain::lock(), 300);
...
On initial parse, this will be triggered a lot (as many files are getting
updated. Each time, we will block the GUI for some time to wait up to 300ms.
Note that our BKL is under heavy load at that time, and write locks are not
fair and thus often starved by read locks elsewhere.
This must be rewritten to not modify the DUChain for whatever purpose it's
serving (squiggly lines in the editor?)
Reproducible: Always
Steps to Reproduce:
1. open large project(s) in kdevelop
2. try to interact with the editor to trigger assistants
Actual Results:
gui is often time blocked
Expected Results:
no blocks
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