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Saturday, January 25 • 2:00pm - 2:25pm
strace: fight for performance

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The talk gives an overview of various optimisations implemented in strace over the past several years. While most of them are quite trivial (like caching of frequently-used data or avoiding syscalls whenever possible), some of them are a bit more tricky (like usage of seccomp BPF programs for avoiding excessive ptrace stops) and/or target more specific use cases (like the infamous thread queueing patch[1], which had been carried as a RHEL downstream patch for almost 10 years).

[1] https://gitlab.com/strace/strace/commit/e0f0071b36215de8a592bf41ec007a794b550d45

Speakers
avatar for Eugene Syromiatnikov

Eugene Syromiatnikov

Senior Software Engineer, Red Hat
Senior Software Engineer at Kernel Tracing and Partner Services team. Maintainer of strace and microcode_ctl packages in RHEL. strace developer.
avatar for Dmitry Levin

Dmitry Levin

Chief Software Architect, BaseALT
Dmitry is the co-founder and the chief architect of BaseALT, a long time contributor to free software projects, including strace, Linux kernel, the GNU libc, Linux-PAM, and many others. Being the maintainer of strace since 2009, Dmitry gives talks about this tool for various audi... Read More →



Saturday January 25, 2020 2:00pm - 2:25pm CET
E112 Faculty of Information Technology Brno University of Technology, Božetěchova, Brno-Královo Pole, Czechia