hadoop GpuDeviceInformation 源码
haddop GpuDeviceInformation 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/dao/gpu/GpuDeviceInformation.java
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.server.nodemanager.webapp.dao.gpu;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import java.util.List;
/**
* All GPU Device Information in the system, fetched from nvidia-smi.
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
@XmlRootElement(name = "nvidia_smi_log")
public class GpuDeviceInformation {
private List<PerGpuDeviceInformation> gpus;
private String driverVersion = "N/A";
@XmlElement(name = "gpu")
public List<PerGpuDeviceInformation> getGpus() {
return gpus;
}
public void setGpus(List<PerGpuDeviceInformation> gpus) {
this.gpus = gpus;
}
@XmlElement(name = "driver_version")
public String getDriverVersion() {
return driverVersion;
}
public void setDriverVersion(String driverVersion) {
this.driverVersion = driverVersion;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("=== GPUs in the system ===\n")
.append("\tDriver Version:")
.append(getDriverVersion()).append("\n");
if (gpus != null) {
for (PerGpuDeviceInformation gpu : gpus) {
sb.append("\t").append(gpu.toString()).append("\n");
}
}
return sb.toString();
}
}
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