Stupid RCU Tricks: Enlisting the Aid of a Debugger (paulmck.livejournal.com) 13 points by EvgeniyZh 5y ago ↗ HN
[–] ndesaulniers 5y ago ↗ For tips on using gdb with the Linux kernel: https://nickdesaulniers.github.io/blog/2018/10/24/booting-a-...I extended our Qemu boot smoke tests to auto enable gdb with one additional flag, and I know use this all the time: https://github.com/ClangBuiltLinux/boot-utils/commit/6c8c52d...
[–] [dead] 1DRACOSEA8 5y ago ↗ Don’t blame the algorithm, blame the orchestration of RCU on a non RCU optimized instruction pipeline. Which is the traditional out of the box Linux offering.
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[ 4.3 ms ] story [ 13.3 ms ] threadI extended our Qemu boot smoke tests to auto enable gdb with one additional flag, and I know use this all the time: https://github.com/ClangBuiltLinux/boot-utils/commit/6c8c52d...