| 摘要 |
Disclosed in an embodiment of the present invention are a method, device and system for establishing a processor cache checkpoint to ensure that establishing a cache checkpoint does not affect the operation of the processor, the method comprising: in the process of exporting content line by line, when a signal is received for the processor to write to the cache, determining that a cache line corresponding to the cache write operation belongs to the already exported portion of the cache, executing the cache write operation by the processor, and exporting the content written to the cache line through the cache write operation; when a signal is received for the processor to write to the cache, determining that the cache line corresponding to the cache write operation belongs to the unexported portion of the cache, executing the cache write operation by the processor, and suspending the export of the content from the cache; and when a signal is received for the processor to read from the cache, executing the cache read operation by the processor, and suspending the export of the content from the cache. |
