Messages in this thread | | | Subject | Re: [RFC PATCH 3/8] perf: Init/fini PMU specific data | From | Alexey Budankov <> | Date | Mon, 2 Dec 2019 19:38:00 +0300 |
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On 02.12.2019 17:59, Andi Kleen wrote: >> >> This is atricous crap. Also it is completely broken for -RT. > > Well can you please suggest how you would implement it instead?
FWIW, An alternative could probably be to make task_ctx_data allocations on the nearest context switch in, and obvious drawback is slowdown on this critical path, but it could be amortized by static branches.
Thanks, Alexey
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