Arinerron/whytime

Find out where a Linux command's wall-clock time went. whytime traces a command or running process with eBPF and attributes every millisecond on the critical path to CPU, children, I/O, fsync, locks, network peers, IPC or the runqueue, following wakers across threads and processes.

1 best points · 0 comments · 1 Hacker News post · 3 GitHub stars · View on GitHub

Hacker News discussions

• Show HN: whytime: time(1) that tells you where the wall-clock time went (1 points, 0 comments, by Arinerron, 2026-10-22)