Messages in this thread | | | Date | Thu, 7 Feb 2013 18:45:04 +0100 | Subject | Re: [ANNOUNCE] 3.8-rc6-nohz4 | From | Frederic Weisbecker <> |
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2013/2/7 Steven Rostedt <rostedt@goodmis.org>: > On Thu, 2013-02-07 at 17:45 +0100, Frederic Weisbecker wrote: > >> > >> > config NO_HZ_TASK >> > bool "Stop tick on specified CPUs when single task is running" >> > default n >> > depends on NO_HZ >> >> Ok I launched another debate about that single task thing. I wish we >> don't make it a fundamental component but rather an implementation >> detail that can be dynamically dealt with in the future. > > It's not just an implementation detail, as it is very visible to the > user. If they want to take advantage of a task NO_HZ they have to go > through a bit of loops to make sure only a single task is running on a > CPU. We should be broadcasting this requirement to educate the users on > exactly how they can take advantage of this feature.
If you guys really insist I can make it CONFIG_NO_HZ_SINGLETASK. I don't mind that much. Then when we support hrtick we can rename it to NO_HZ_FULL or whatever.
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