On Sun, 15 Jan 2023 14:15:37 -0700, Simon Glass wrote:
Since U-Boot's tracing feature was originally written, quite a few changes have taken place in this domain. The original text format used by tracing is still emitted by Linux, but a new trace-cmd tool has invented a binary format which is now used by new tools, such as kernelshark.
With recent distributions and the move to Python 3, the old pybootchart tool does not build or run. Unfortunately there is no 1:1 replacement for the features that were provided by pybootchart, or at least it is not obvious. Still, it makes sense to keep with the times.
[...]
After talking with Simon and dropping the sandbox_vpl change, as it breaks CI and Simon notes it's only needed with LTO off, the series is now applied to u-boot/master, thanks!