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https://issues.apache.org/jira/browse/SCB-1044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16708730#comment-16708730
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ASF GitHub Bot commented on SCB-1044:
-------------------------------------
heyile commented on a change in pull request #1012: [SCB-1044]add current
process CPU rate and net packets in the metrics
URL:
https://github.com/apache/servicecomb-java-chassis/pull/1012#discussion_r238671015
##########
File path:
metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/meter/os/cpu/OsCpuUsage.java
##########
@@ -0,0 +1,68 @@
+/*
+ * 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.servicecomb.metrics.core.meter.os.cpu;
+
+import com.google.common.annotations.VisibleForTesting;
+import com.netflix.spectator.api.Id;
+
+/*
+ * unit : 1 jiffies = 10ms = 0.01 s
+ * more details :
+ * http://man7.org/linux/man-pages/man5/proc.5.html
+ * CMD : /proc/stat
+ * cpu 2445171 599297 353967 24490633 11242 0 10780 2993
0 0
+ * cpu user nice system idle iowait irq softirq stealstolen
guest guest_nice
+ * 0 1 2 3 4 5 6 7 8
+ * total = user + nice + system + idle + iowait + irq + softirq + stealstolen
+ * busy = total - idle
+ */
+public class OsCpuUsage extends AbstractCpuUsage {
+ private long lastTotalTime;
+
+ private long currentTotalTime;
+
+ public OsCpuUsage(Id id) {
+ super(id, "/proc/stat");
+ }
+
+ @Override
+ protected void update(String[] stats) {
+ currentTotalTime = readCurrentTotalTime(stats);
+ periodTotalTime = currentTotalTime - lastTotalTime;
+ lastTotalTime = currentTotalTime;
+
+ super.update(stats);
+ }
+
+ private long readCurrentTotalTime(String[] stats) {
+ long total = 0L;
+ for (int i = 1; i <= 8; i++) {
+ total += Long.parseLong(stats[i]);
+ }
+ return total;
+ }
+
+ @Override
+ protected long readCurrentBusyTime(String[] stats) {
+ return currentTotalTime - Long.parseLong(stats[4]);
+ }
+
+ @VisibleForTesting
Review comment:
ok, I will delete it
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> add current process CPU rate and net packets in the metrics
> ------------------------------------------------------------
>
> Key: SCB-1044
> URL: https://issues.apache.org/jira/browse/SCB-1044
> Project: Apache ServiceComb
> Issue Type: Improvement
> Components: Java-Chassis
> Reporter: 何一乐
> Assignee: 何一乐
> Priority: Major
>
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