> [...] > What Meta is doing can indeed only reasonably be done with a sampling > profiler, with additional restrictions (in particular, they state that > Perf's support to drop back to userspace for DWARF unwinding is too slow for > them) [...]
(Note FWIW that systemtap's kernel runtime does DWARF-based unwinding for the kernel and user-designated userspace executables and shared-libraries on demand, and it's not particularly slow at it.) - FChE _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
