A tale about fixing eBPF spinlock issues in the Linux kernel
A system freeze led us deep into Linux spinlock internals, where we helped find not one but three bugs in the kernel’s resilient locking code used by eBPF.
eBPF
From profiling to kernel patch: the journey to an eBPF performance fix
A story about how an innocent profiling session led to a change to the Linux kernel that makes eBPF map-in-map updates much faster.
