Questions about data acquisition multithreaded I had a program four threads one monitor digital signal input port of acquisition card record pulse count pulses from a rotary encoder, other threads to simulate data read operations,
In xp system work is normal, four threads basic no missing data, digital mouth threads corresponding pulse presented.according to about two percent, to the same program to run under Windows 7 when pulse presented.according to about seventy percent feel threads run is not normal, if not run several other threads, pulse presented.according to normal immediately, so doubt the two threads in the system time distribution difference ask ace to give directions

CodePudding user response:

Thread scheduling belong to the category of the management of the operating system kernel, powerless,