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Message #14855
[Bug 1364404] Re: qmlscene is leaking ~1.7K per second on an idle application on the phone
I can also confirm the leaking stays the same when using Qt 5.3.1 (from
https://wiki.ubuntu.com/Touch/QtTesting).
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https://bugs.launchpad.net/bugs/1364404
Title:
qmlscene is leaking ~1.7K per second on an idle application on the
phone
Status in “qtubuntu-sensors” package in Ubuntu:
New
Bug description:
Running apps on the phone using qmlscene and just keeping *idle* one
can see ~1.7K per second of heap growth. I monitored qmlscene for
~570 minutes and observed 58156K of anonymous mapped memory (normally
this is heap) growth.
Running smemstat on qmlscene, for example, an idle calendar app:
ps -ax | grep calendar.qml | grep -v grep
14006 ? Ssl 8:26 /usr/lib/arm-linux-gnueabihf/qt5/bin/qmlscene calendar.qml
smemstat -p 14006 60
Change in memory (average per second):
PID Swap USS PSS RSS User Command
14006 0.0 B 1706.7 B 1706.7 B 1706.7 B phablet /usr/lib/arm-linux-gnueabihf/qt5/bin/qmlscene
Total: 0.0 B 1706.7 B 1706.7 B 1706.7 B
...etc
This seems to be a similar leak rate to bug 1364380 so it may be a
common library that is the root of the problem.
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References