A method for testing the performance of computing infrastructures including automated monitoring of computing architecture performance measurement , the computing architecture comprising devices , said method including the following steps: - of installation , by an injecting device, of at least one computer warning program on devices of said computing architecture ; - of launching a performance measurement of said computing architecture comprising: - a step of execution of the computer warning program on the devices whereon the computer warning program has been installed, and - a step of generation of a warning file on at least one of said devices , by the computer warning program, said warning file comprising data relating to a behaviour tendency of the device , - of verification if a first condition for launching the computing of the behaviour tendency of the computing architecture is fulfilled, if the response is yes: - of verification of the presence of at least one warning file including data relating to a behaviour tendency of the device, on devices whereon the computer warning program has been installed, - of comparison of the number of warning files with a threshold of triggering the computing of the behaviour tendency of the computing architecture , if the triggering threshold is reached: - of the first computing of the behaviour tendency of said computing architecture , according to the data relating to a behaviour tendency of the device comprised in at least one warning file present on the devices of said computing architecture , and - of generation of a warning message according to said behaviour tendency of the determined computing architecture , for informing a user. - of installation , by an injecting device, of at least one computer warning program on devices of said computing architecture ; - of launching a performance measurement of said computing architecture comprising: - a step of execution of the computer warning program on the devices whereon the computer warning program has been installed, and - a step of generation of a warning file on at least one of said devices , by the computer warning program, said warning file comprising data relating to a behaviour tendency of the device , - a step of execution of the computer warning program on the devices whereon the computer warning program has been installed, and - a step of generation of a warning file on at least one of said devices , by the computer warning program, said warning file comprising data relating to a behaviour tendency of the device , - of verification if a first condition for launching the computing of the behaviour tendency of the computing architecture is fulfilled, - of verification of the presence of at least one warning file including data relating to a behaviour tendency of the device, on devices whereon the computer warning program has been installed, - of comparison of the number of warning files with a threshold of triggering the computing of the behaviour tendency of the computing architecture , - of the first computing of the behaviour tendency of said computing architecture , according to the data relating to a behaviour tendency of the device comprised in at least one warning file present on the devices of said computing architecture , and - of generation of a warning message according to said behaviour tendency of the determined computing architecture , for informing a user. <EOS>