https://bugs.kde.org/show_bug.cgi?id=478770
Bug ID: 478770
Summary: overview effect leaks memory
Classification: Plasma
Product: kwin
Version: master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-overview
Assignee: kwin-bugs-n...@kde.org
Reporter: sit...@kde.org
Target Milestone: ---
SUMMARY
title
STEPS TO REPRODUCE
1. open a bunch of windows (~ 70 should make the issue very prominent)
2. open htop
3. take note of memory used
4. win+w a bunch of times
OBSERVED RESULT
memory consumption keeps growing every other show/hide cycle by some 50-100MB
SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.90.90
KDE Frameworks Version: 5.247.0
Qt Version: 6.6.1
Kernel Version: 6.2.0-39-generic (64-bit)
Graphics Platform: offscreen
Processors: 12 × AMD Ryzen 5 3600X 6-Core Processor
Memory: 31.2 GiB of RAM
Graphics Processor: AMD Radeon RX 5700 XT
ADDITIONAL INFORMATION
/proc/meminfo top deltas between two measurements with some show/hide cycles in
between:
"Slab:": 4084,
"SUnreclaim:": 4300,
"Active(anon):": 9480,
"AnonPages:": 17384,
"DirectMap4k:": 26624,
"Cached:": 620052,
"Shmem:": 636524,
"Inactive:": 640840,
"Inactive(anon):": 641936,
"Committed_AS:": 648580
It may be of note that when I strace kwin with -e %memory it produces an
unbalanced amount of mmap(, munmap( calls
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