Exhaustive profiling toolkit: elfutils and libdwfl_stacktrace

The article discusses the development of elfutils and the libdwfl_stacktrace initiative aimed at improving stack profiling solutions for Linux systems. It contrasts exhaustive profiling capabilities with lighter, simpler alternatives like SFrame, highlighting the challenges and future improvements needed for effective implementation across various profiling contexts. The piece emphasizes the importance of consistent sample rates and addresses the complexities of adopting new profiling formats within the broader Linux kernel ecosystem.