Hi experts. Is there any way to get the total sys cpu time used in a period? Our system has a low user cpu (less than 8%) but high sys cpu (more than 30%), this happened after upgraded from x4100 to x4440. The server is running mysql database. The workload didn't change. And the high sys cpu happened for very short time, if sample the performance every 1 mins, we can't find high sys cpu, but if sample the performance every 10 seconds ,we can see high sys cpu. I'd like to some tool to check whether the sys cpu comes from.
Thanks, Daniel
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