The codetest performance tool also counts call - pairs - - determining the frequency with which each function calls other functions in order to pinpoint algorithmic errors such as thrashing 性能工具還可以為呼叫對計數(shù)-確定每個函數(shù)呼叫其他函數(shù)的頻率,以便查明像系統(tǒng)失效這樣的算法錯誤。