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Change-Id: I567965d266f20526bda9f823e31a04b354d53fb1
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
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Since we also license under GPL-3.0 WITH Qt-GPL-exception-1.0,
this applies only to a hypothetical newer version of GPL, that doesn't
exist yet. If such a version emerges, we can still decide to relicense...
While at it, replace (deprecated) GPL-3.0 with more explicit GPL-3.0-only
Change was done by running
find . -type f -exec perl -pi -e "s/LicenseRef-Qt-Commercial OR GPL-3.0\+ OR GPL-3.0 WITH Qt-GPL-exception-1.0/LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0/g" {} \;
Change-Id: I5097e6ce8d10233993ee30d7e25120e2659eb10b
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
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Replace the current license disclaimer in files by
a SPDX-License-Identifier.
Task-number: QTBUG-67283
Change-Id: I708fd1f9f2b73d60f57cc3568646929117825813
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
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And remove all empy re-implementations.
Change-Id: I19f0b4e55c042c96693ecb89766f97f0a97b54ae
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
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This new plugin adds a viewer for Chrome Trace Format (CTF) files
(aka Trace Event Format). It uses the same UI components as the
QML Profiler timeline and the Perf Profiler.
The Trace Event Format is generated by different kinds of tracing tools.
Usually the files are display with the trace-viewer, built into Chrome
(chrome://tracing). This plugin was developed because of the high memory
usage of trace-viewer, which makes it difficult to use with trace files
bigger than 100 MB.
The plugin fully supports all event types used in data generated by
LTTng, converted to CTF by https://github.com/KDAB/ctf2ctf.
Some of the more advanced event types used for example in Android system
traces, though, are not supported. The viewer will silently ignore
unsupported event types.
Supported Event Types:
- Begin, End, Duration and Instant events
- Counter events (graphs)
- Metadata events (process and thread name)
The plugin uses nlohmann/json instead of QJson because of the ~128 MB
object size limit by QJson.
[ChangeLog][Tracing][CtfVisualizer] Added Chrome Trace Format Visualizer plugin
Change-Id: I5969f7f83f3305712d4aec04487e2403510af64b
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
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