{"id":104790,"date":"2022-08-07T21:36:50","date_gmt":"2022-08-07T19:36:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dlya-linux-predlozhen-mehanizm-verifikaczii-korrektnosti-raboty-yadra"},"modified":"2022-08-07T21:36:50","modified_gmt":"2022-08-07T19:36:51","slug":"dlya-linux-predlozhen-mehanizm-verifikaczii-korrektnosti-raboty-yadra","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/dlya-linux-predlozhen-mehanizm-verifikaczii-korrektnosti-raboty-yadra","title":{"rendered":"Linux sz\u00e1m\u00e1ra javasolt a kernel m\u0171k\u00f6d\u00e9s\u00e9nek ellen\u0151rz\u00e9si mechanizmusa.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Linux 5.20 kernel (possibly the branch will be numbered 6.0) includes a set of patches implementing the RV (Runtime Verification) mechanism, which provides means for verifying the correctness of operation in highly reliable systems, ensuring the absence of failures. Verification is conducted during execution by attaching handlers to trace points, comparing the actual execution flow with a predefined reference deterministic model of an automaton that defines the expected behavior of the system. <\/p>\n

A nyomvonal pontokt\u00f3l sz\u00e1rmaz\u00f3 inform\u00e1ci\u00f3 \u00e1tviszi a modellt egy \u00e1llapotb\u00f3l a m\u00e1sikba, \u00e9s ha az \u00faj \u00e1llapot nem felel meg a modell param\u00e9tereinek, figyelmeztet\u00e9s keletkezik, vagy a kernel \u201epanic\u201d \u00e1llapotba v\u00e1lt (felt\u00e9telezve, hogy a magas megb\u00edzhat\u00f3s\u00e1g\u00fa rendszerek k\u00e9pesek ilyen helyzeteket \u00e9szlelni \u00e9s reag\u00e1lni r\u00e1juk). Az automatamodell, amely meghat\u00e1rozza az \u00e1llapotok k\u00f6z\u00f6tti \u00e1tmeneteket, \u201edot\u201d (graphviz) form\u00e1tumban ker\u00fcl export\u00e1l\u00e1sra, majd a dot2c seg\u00e9dprogram seg\u00edts\u00e9g\u00e9vel C nyelv\u0171 reprezent\u00e1ci\u00f3v\u00e1 transzform\u00e1l\u00f3dik, amit kernelmodulk\u00e9nt t\u00f6ltenek be, k\u00f6vetve a v\u00e9grehajt\u00e1s el\u0151re defini\u00e1lt modellhez viszony\u00edtott elt\u00e9r\u00e9seit.

\"Linux<\/center> <\/p>\n

Comparing with the model during execution is positioned as a lighter and easier to implement method for confirming correctness in critically important systems, complementing classic reliability confirmation methods such as model checking and mathematical proof of code compliance with specifications given in a formal language. Among the advantages of RV is the ability to provide strict verification without the need for a separate implementation of the entire system in a modeling language, as well as flexible response to unforeseen events, for example, to block the further spread of failures in critical systems.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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