[Bug bootstrap/84402] [meta] GCC build system: parallelism bottleneck

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84402

--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> ---
I forgot to note that minimum time threshold is 0.5s for the wall time reports.