Messages in this thread | | | Date | Thu, 2 Feb 2012 11:42:25 +0200 | Subject | Re: [v7 0/8] Reduce cross CPU IPI interference | From | Gilad Ben-Yossef <> |
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On Wed, Feb 1, 2012 at 7:57 PM, Peter Zijlstra <peterz@infradead.org> wrote: > On Wed, 2012-02-01 at 18:35 +0100, Peter Zijlstra wrote: >> On Sun, 2012-01-29 at 10:25 +0200, Gilad Ben-Yossef wrote: >> > >> > If this is of interest, I keep a list tracking global IPI and global >> > task schedulers sources in the core kernel here: >> > https://github.com/gby/linux/wiki. >> >> You can add synchronize_.*_expedited() to the list, it does its best to >> bash the entire machine in order to try and make RCU grace periods >> happen fast. > > Also anything using stop_machine, such as module unload, cpu hot-unplug > and text_poke().
Thanks! I've added it to the list together with the clocksource watchdog, which is registering a timer on each cpu in a cyclinc fashion.
Gilad
-- Gilad Ben-Yossef Chief Coffee Drinker gilad@benyossef.com Israel Cell: +972-52-8260388 US Cell: +1-973-8260388 http://benyossef.com
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