David Xu wrote: > Julian Elischer wrote: >> David Xu wrote: >>> David Xu wrote: >>>> Julian Elischer wrote: >>>> >>>>> depends on the hardware. >>>>> anyhow I was only saying it was possible, not necessarily >>>>> good or even useful. >>>>> >>>>> >>>> >>>> I had done some works for thread private page shared by kernel >>>> and userland when I was doing userland spinlock, if userland asks >>>> a page, kernel will allocate it and put some interesting thing in >>>> it by scheduler etcs, these code may be useful. >>>> >>> FYI: >>> http://people.freebsd.org/~davidxu/schedctl/ >> >> reading this quickly, you allocate a separately addressed page for >> each thread, but, how do you use it? >> >> > I store the address in userland TLS area, then get it when I want to > check some scheduling informations. and the scheduler writes out interesting information to that location?...Received on Mon Mar 30 2009 - 03:02:53 UTC
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