05.07.2018 
At KDAB, we know that consistency is an important aspect of the User Experience – users don’t want to have to learn different ways to achieve the same thing. In the Linux world, there is a major structural pitfall to this: the applications written for Linux come in at least two major technologies – Qt […]
Author Archives: Milian Wolff
Heaptrack v1.1.0 release Better memory profiling on Linux
After more than a year of work, I’m pleased to release another version of heaptrack, the Linux memory profiler! The new version 1.1.0 comes with some new features, significant performance improvements and – most importantly – much improved stability and correctness. If you have tried version v1.0 in the past and encountered problems, update to […]
Update to Linux perf report Improved handling of inlined frames
Linux perf is an immensely useful and powerful tool suite for profiling of C/C++ applications. I have used it extensively and successfully on various customer projects, both for desktop applications as well as automotive or industrial projects targeting low-end embedded Linux targets running on ARM hardware. The biggest problem with perf really is its usability, […]
Hotspot v1.1.0 adds timeline and recording features New release of the GUI for the Linux perf profiler
Close to three months after the initial hotspot release, I’m happy to announce the release of version 1.1.0. Quick recap: Hotspot is a graphical frontend to the Linux perf profiler suite. It allows you to visually analyze perf.data files with the built-in Flame Graph and the Bottom-Up, Top-Down, or Caller-Callee data tables. It is a […]
hotspot – a GUI for the Linux perf profiler First public release of hotspot v1.0.0 available
After many months of work, I’m very pleased to finally announce KDAB’s latest R&D project to the public: hotspot – a GUI for the Linux perf profiler. I have used Linux perf a lot over the past years.
Efficient barcode scanning with QZXing Profiling Qt Zebras Crossing
QZXing is a very useful library: It provides an easy to use Qt integration API around the barcode scanning library ZXing (zebras crossing). Because it is so easy to setup QZXing in a Qt application, we and most of our customers end up using it when they need to scan images for barcodes. There is, or rather […]
Heaptrack v1.0.0 Release First stable release of the fast Linux heap memory profiler
I’m extremely happy to finally announce the first stable release of heaptrack, the FOSS heap memory profiler for C/C++ Linux applications. You can download the source tarball from the KDE mirrors: https://download.kde.org/stable/heaptrack/1.0.0/src/ Heaptrack is a fast heap memory profiler that runs on Linux. It allows you to track all heap memory allocations at run-time. Afterwards, the accompanying GUI […]
Linux perf for Qt developers QtCon presentation
Are you a Qt developer and do you use Linux as your development platform of choice? Then this talk is for you: I will introduce you to perf, the Linux tool suite for performance analysis. The talk will not only cover a broad part of what perf has to offer, it will also dive into […]
Highlights of CppCon 2015
Oh my, how time flies by! One month ago, I had the pleasure to travel to Bellevue, Washington, to attend CppCon 2015. It was a blast, and as a C++ developer, easily the best conference I ever attended. Below, I try to summarize my personal highlights of the talks I attended live. Note however that there were up […]
Qt and KDAB at CppCon 2015
For years now I have been watching the video recordings of talks from various C++ conferences across the globe. As a developer, they are an invaluable source of information and inspiration. I have fond memories of watching GoingNative 2012 in a live stream with some colleagues of mine in our office in Berlin. But, over the years, […]