Resource monitoring method and system for multi-core processor based on virtual machine
A technology of multi-core processors and processor resources, which is applied in the field of multi-core processor resource monitoring based on virtual machines, and can solve problems such as lack of multi-core processor resource monitoring
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[0029] Reference manual attached figure 1 , the present invention mainly monitors two parts: based on the PROC pseudo-file system and adding a host processor resource acquisition module in the kernel to monitor the host system resources, and by adding a process tracking module in the VMM to monitor the guest operating system running on the virtual machine Process information in .
[0030] Monitor host system resources
[0031] Such as figure 2 As shown, writing the host processor resource acquisition module includes a function to read information of each core of the multi-core processor, such as reading the run queue of the CPU core. Reading the run queue of each CPU core can be realized by macro this_rq() and macro cpu_rq(n), macro this_rq() is used to return the address of the executable queue of the current processor, and macro cpu_rq(n) is used to return the given Pointer to the numbered processor executable queue. Since the state information of each process in the op...
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