Modernize Qt code: clazy fixes and new-style signal/slot connections

clang-tidy is a C++ linter. avogadrolibs already has a .clang-tidy configuration, but nobody works through its warnings regularly, so a backlog has built up. This issue covers checks whose fixes are mechanical: clang-tidy applies them itself with --fix, and the result means…

codespell finds common misspellings in code and comments. It's now part of avogadrolibs' pre-commit checks (#3102), but 31 typos from before it was added are still in the code. They're listed below. This issue fixes them, so that pre-commit run codespell --all-files passes. The…

This is a demo of how it works, you should write the probe in eBPF, and add it to https://github.com/eunomia-bpf/bpftime/tree/master/example/gpu and make sure user don't need to modify their program to do the tracing. Program 2: Per-thread runtime distribution using clock64()…

Six of the eight update_* entry points on FusionCore take a timestamp, and none of the public documentation states what happens when that timestamp goes backwards. It matters because it has crashed before. From the changelog: the filter used to SIGABRT on a backward time jump,…