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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/116577/">https://git.reviewboard.kde.org/r/116577/</a>
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<div>Review request for Plasma.</div>
<div>By David Edmundson.</div>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
plasma-framework
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Call malloc_trim() when deleting a dialog
A dialog will typically contain lots and lots of tiny objects.
Tiny mallocs are not returned to the system immediately and are left for
us to re-use.
When we delete a dialog it would be a good time to release these.
This fixes the memory growth when repeatedly opening and closing the
widget explorer.
TBH: I don't /fully/ understand malloc_trim, but it does seem this patch makes a difference.
Also I think maybe this would be better being in the destructor of KDeclatarive::QMLObject as well?
or maybe we should tune the malloc options so it behaves better in general.
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">The following test (courtesy of Martin K) http://paste.kde.org/pjreffopt creates 10 dialogs, waits 5 seconds and deletes them.
Before: Memory usage in ksysguard goes up to 125Mb and stays there indefinitely.
After:Memory usage in ksysguard goes up to 125Mb and when the dialogs are removed goes back down to 35Mb
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>src/declarativeimports/core/dialog.cpp <span style="color: grey">(61e8d93)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/116577/diff/" style="margin-left: 3em;">View Diff</a></p>
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