Is there any good empirical data on the cost of context switching between threads of the same process on Linux (x86 and x86_64, mainly, are of interest)? I'm talking about the number of cycles or nanoseconds between the last instruction one thread executes in userspace before getting put to sleep voluntarily or involuntarily, and the first instruction a different thread of the same process executes after waking up on the same cpu/core.Is there any good empirical data on the cost of
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在Linux上，同一进程的线程之间的上下文切换成本
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