|
From: Masami H. <mhi...@re...> - 2009-06-23 21:52:30
|
Ingo Molnar wrote: >> Ingo Molnar wrote: >>> * Masami Hiramatsu <mhi...@re...> wrote: >>> >>>> o Usage >>>> Set CONFIG_OPTPROBES=y when building a kernel, then all *probes will be >>>> optimized if possible. >>> Should be default-y if KPROBES is enabled. I.e. we really only want >>> to disable it to debug potential issues. >> Sure, thanks! > > Plus i'd suggest a runtime control (a sysctl) as well - if it's not > too intrusive. Since this is an optional speedup feature, distros > can have this enabled and if there's some problem with it then it > can still be disabled in sysctl.conf, without having to rebuild the > kernel. The runtime control is a good idea. Btw, current kprobes already has a runtime disable interface under sysfs. Is there any reason that we'd better to use sysctl instead of sysfs? Thank you, -- Masami Hiramatsu Software Engineer Hitachi Computer Products (America), Inc. Software Solutions Division e-mail: mhi...@re... |