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Fix CPU is 0. (#2952)

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吴晟 Wu Sheng 2019-06-27 07:29:45 +08:00 committed by GitHub
parent 0922548069
commit 62d01382a7
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1 changed files with 4 additions and 1 deletions
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apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/jvm/cpu/CPUMetricsAccessor.java
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@ -22,6 +22,9 @@ package org.apache.skywalking.apm.agent.core.jvm.cpu;
import org.apache.skywalking.apm.network.common.CPU;
/**
* The unit of CPU usage is 1/10000.
* The backend is using `avg` func directly, and query for percentage requires this unit.
*
* @author wusheng
*/
public abstract class CPUMetricsAccessor {
@ -46,6 +49,6 @@ public abstract class CPUMetricsAccessor {
long now = System.nanoTime();
CPU.Builder cpuBuilder = CPU.newBuilder();
return cpuBuilder.setUsagePercent(cpuCost * 1.0d / ((now - lastSampleTimeNs) * cpuCoreNum) * 100).build();
return cpuBuilder.setUsagePercent(cpuCost * 1.0d / ((now - lastSampleTimeNs) * cpuCoreNum) * 10000).build();
}
}