根据预期的调用数量、理想的响应时间，已选择的机制满足系统性能要求吗？
Has the selected mechanism met the performance of the system in terms of expected number of calls, desired response times?
将调用的运行时间提交给应用程序性能管理(apm)系统。
Submits the elapsed time of the invocation to the application performance management (APM) system.
还可以使用- D开关显示每个系统调用的时间差，时间差表示自前一个事件以来流逝的秒数。
You can also use the -d switch to display each system call with a time delta, representing the elapsed time in seconds since the last event.
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