Messages in this thread | | | Date | Thu, 12 Apr 2007 12:43:53 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH] i386 tsc: remove xtime_lock'ing around cpufreq notifier |
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Andrew Morton wrote: > blktrace. I've seen a couple of trace/debug-style things which use > sched_clock for timestamping event collection. I think lttng does exotic > things with TSCs, performing private skew correction, although that might > have changed now. >
I'm not worried about things using the tsc directly. But since we hook into sched_clock, anyone using it is going to get the pv_ops backend's behaviour, which is targeted at making the scheduler work properly rather than all these secondary uses.
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