Konstantin Belousov
Software Engineer at NVIDIA
Kyiv, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolKonstantin Belousov is a seasoned software engineer with 26 years of experience specializing in FreeBSD, kernel internals, and Unix systems programming. Based in Kyiv, he is a long-standing FreeBSD src committer and technical staff at The FreeBSD Foundation while working at NVIDIA on low-level systems and virtualization. His open-source contributions include timekeeping and kernel synchronization work for RTEMS, porting FreeBSD fixes and adding kqueue timer and userspace gettimeofday integration—demonstrating deep expertise in concurrency, atomics, and VM/process subsystems. Past roles at Mellanox and earlier leadership and development positions reflect a strong track record in networking, embedded/real-time systems, and production-grade kernel engineering. He holds an MS in Mathematics from Kyiv National Taras Shevchenko University, bringing rigorous analytical grounding to complex systems design.
26 years of coding experience
17 years of employment as a software developer
Master of Science - MS, Mathematics, Master of Science - MS, Mathematics at Kyiv National Taras Shevchenko University
English, Russian
Stackoverflow
132reputation
5kreached
4answers
3questions
Github Skills (18)
freebsd10
atomics10
c1110
c1710
kernel10
kernel-mode10
atomic10
sys9
concurrency9
embedded9
kqueue7
rust6
floating-point6
ffi6
x866
Programming languages (16)
Github contributions (5)
RTEMS/rtems
Jun 2015 - Mar 2021
Mirror only see https://gitlab.rtems.org/rtems/rtos/rtems
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:26 commits in 5 years 9 months
Contributions summary:Konstantin's primary contribution is related to timekeeping mechanisms within the RTEMS real-time operating system. The commits involve modifying and improving the `kern_tc.c` file which is crucial for time counter management within the kernel. The user has been merging changes from FreeBSD to RTEMS. Their work focuses on synchronizing time-related data, implementing atomics, and preventing parallel calls to `tc_windup()`. Additionally, they adjusted code for userspace gettimeofday(2) integration and added functionalities for kqueue timers.
driverskernelrealtimesmpfile-systems
kostikbel/timestamp
Oct 2017 - Dec 2017
Contributions:46 commits, 17 pushes, 1 branch in 2 months
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