Fast-Booting Qt Devices, Part 3: Optimizing System Image

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The post details the steps taken to optimize the boot time of a Qt-powered device using the NXP i.MX6 SABRE development board. It covers the reduction of the root file system size, kernel slimming, U-Boot optimization, and moving to static linking. The goal was to achieve a boot time under 2 seconds, culminating in a final boot time of 1.56 seconds. Key takeaways include measuring and analyzing time spent, setting early targets, and optimizing both software and hardware configurations.