Messages in this thread | | | Date | Tue, 9 Apr 2013 07:02:50 +0200 | From | Richard Cochran <> | Subject | Re: [RFC] perf: need to expose sched_clock to correlate user samples with kernel samples |
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On Mon, Apr 08, 2013 at 12:05:52PM -0700, John Stultz wrote: > > So thinking this through further, I'm worried we may _not_ be able > to eventually enable this to be a vdso as I had earlier hoped. > Mostly because I'm not sure how the fd -> file -> clock lookup could > be done in userland (any ideas?).
How about a new clock operation, clock_install_vdso(), that lets the process arrange for one dynamic clock to be reflected in its vdso page?
Thanks, Richard
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