diff options
author | Milian Wolff <milian.wolff@kdab.com> | 2016-08-02 13:25:35 +0200 |
---|---|---|
committer | Giuseppe D'Angelo <giuseppe.dangelo@kdab.com> | 2016-10-05 15:49:12 +0000 |
commit | 59e48836e207aff52b2727cc4f3733209475e8bb (patch) | |
tree | 01f5c668eef291b1f790d34d6c44d36d4ca4899d /src/qml/memory | |
parent | 9182797dec1897cda4e2e0368a16ddbd5c18b031 (diff) |
Use QElapsedTimer instead of QTime to measure elapsed time
Getting the current time from QTime is expensive as it adheres
to the locale timezone. To measure elapsed time in a code block,
using the monotonic QElapsedTimer is much faster.
Change-Id: Ibea390d7bc5270a20cf35111dfc919e37be7001e
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Diffstat (limited to 'src/qml/memory')
-rw-r--r-- | src/qml/memory/qv4mm.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/qml/memory/qv4mm.cpp b/src/qml/memory/qv4mm.cpp index 4592dd5c9b..2588d8db00 100644 --- a/src/qml/memory/qv4mm.cpp +++ b/src/qml/memory/qv4mm.cpp @@ -40,7 +40,7 @@ #include "PageAllocation.h" #include "StdLibExtras.h" -#include <QTime> +#include <QElapsedTimer> #include <QMap> #include <QScopedValueRollback> @@ -562,18 +562,17 @@ void MemoryManager::runGC() } else { const size_t totalMem = getAllocatedMem(); - QTime t; + QElapsedTimer t; t.start(); mark(); - int markTime = t.elapsed(); - t.restart(); + qint64 markTime = t.restart(); const size_t usedBefore = getUsedMem(); const size_t largeItemsBefore = getLargeItemsMem(); int chunksBefore = m_d->heapChunks.size(); sweep(); const size_t usedAfter = getUsedMem(); const size_t largeItemsAfter = getLargeItemsMem(); - int sweepTime = t.elapsed(); + qint64 sweepTime = t.elapsed(); qDebug() << "========== GC =========="; qDebug() << "Marked object in" << markTime << "ms."; |