Messages in this thread | | | From | "Luck, Tony" <> | Subject | RE: [PATCH v11 01/13] x86/resctrl: Replace smp_call_function_many() with on_each_cpu_mask() | Date | Wed, 11 Jan 2023 19:05:48 +0000 |
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> I wasn't sure if the few ms difference is going to make much material > difference for that process. IPI's does shake things up and introduces > other overheads not related to this process.
Is it just a few milli-seconds? What is the scheduler priority of the kernel thread you wake to perform this action? How does that compare to the priority of a RT thread? I may be wrong here, but I think an RT thread can block a kernel thread from running indefinitely.
-Tony
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