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* add linux memory metrics #50 * lookoutAuotConfiguration get extensions from beanFactory；（企业版 lookoutAuotConfiguration 会很早从beanfactory中获取，当时可能还没注入这些扩展组件）
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152 changes: 152 additions & 0 deletions
152
.../lookout-ext-os/src/main/java/com/alipay/lookout/os/linux/MemoryStatsMetricsImporter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| /* | ||
| * 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 com.alipay.lookout.os.linux; | ||
|
|
||
| import com.alipay.lookout.api.Gauge; | ||
| import com.alipay.lookout.api.Id; | ||
| import com.alipay.lookout.api.Registry; | ||
| import com.alipay.lookout.api.composite.MixinMetric; | ||
| import com.alipay.lookout.common.log.LookoutLoggerFactory; | ||
| import com.alipay.lookout.os.CachedMetricsImporter; | ||
| import com.alipay.lookout.os.utils.FileUtils; | ||
| import org.slf4j.Logger; | ||
|
|
||
| import java.io.File; | ||
| import java.util.List; | ||
| import java.util.concurrent.TimeUnit; | ||
|
|
||
| /** | ||
| * resolve memory metrics from "/proc/meminfo" | ||
| * | ||
| * @author: kevin.luy@antfin.com | ||
| * 2019-03-12 17:30 | ||
| **/ | ||
| public class MemoryStatsMetricsImporter extends CachedMetricsImporter { | ||
|
|
||
| private final Logger logger = LookoutLoggerFactory | ||
| .getLogger(DiskUsageMetricsImporter.class); | ||
|
|
||
| private static final String DEFAULT_FILE_PATH = "/proc/meminfo"; | ||
| private static final String SPLIT = "\\s+"; | ||
| private String filePath; | ||
| private Memstats memstats; | ||
|
|
||
| /** | ||
| * default constructor | ||
| */ | ||
| public MemoryStatsMetricsImporter() { | ||
| this(DEFAULT_FILE_PATH, DEFAULT_TIMEOUT_MS, TimeUnit.MILLISECONDS); | ||
| } | ||
|
|
||
| /** | ||
| * @param filePath filePath | ||
| * @param timeout timeout | ||
| * @param timeoutUnit timeoutUnit | ||
| */ | ||
| public MemoryStatsMetricsImporter(String filePath, long timeout, TimeUnit timeoutUnit) { | ||
| super(timeout, timeoutUnit); | ||
| this.filePath = filePath; | ||
| memstats = new Memstats(); | ||
| disable = !new File(filePath).exists(); | ||
| if (!disable) | ||
| loadIfNessesary(); | ||
| } | ||
|
|
||
| @Override | ||
| protected void doRegister(Registry registry) { | ||
| Id id = registry.createId("os.memory.stats"); | ||
| MixinMetric mixin = registry.mixinMetric(id); | ||
|
|
||
| mixin.gauge("total.bytes", new Gauge<Long>() { | ||
| @Override | ||
| public Long value() { | ||
| loadIfNessesary(); | ||
| return memstats.memTotal; | ||
| } | ||
| }); | ||
|
|
||
| mixin.gauge("free.bytes", new Gauge<Long>() { | ||
| @Override | ||
| public Long value() { | ||
| loadIfNessesary(); | ||
| return memstats.memFree; | ||
| } | ||
| }); | ||
| mixin.gauge("buffers.bytes", new Gauge<Long>() { | ||
| @Override | ||
| public Long value() { | ||
| loadIfNessesary(); | ||
| return memstats.buffers; | ||
| } | ||
| }); | ||
| mixin.gauge("cached.bytes", new Gauge<Long>() { | ||
| @Override | ||
| public Long value() { | ||
| loadIfNessesary(); | ||
| return memstats.cached; | ||
| } | ||
| }); | ||
|
|
||
| } | ||
|
|
||
| @Override | ||
| protected void loadValues() { | ||
| try { | ||
| List<String> lines = FileUtils.readFileAsStringArray(filePath); | ||
| Memstats ms = new Memstats(); | ||
| int i = 0; | ||
| for (String line : lines) { | ||
| if (i == 4) | ||
| break; | ||
| String[] infos = line.split(SPLIT); | ||
| if (infos == null) { | ||
| continue; | ||
| } | ||
| if ("MemTotal:".equals(infos[0])) { | ||
| ms.memTotal = Long.parseLong(infos[1]) * 1024; | ||
| i++; | ||
| continue; | ||
| } | ||
| if ("MemFree:".equals(infos[0])) { | ||
| ms.memFree = Long.parseLong(infos[1]) * 1024; | ||
| i++; | ||
| continue; | ||
| } | ||
| if ("Buffers:".equals(infos[0])) { | ||
| ms.buffers = Long.parseLong(infos[1]) * 1024; | ||
| i++; | ||
| continue; | ||
| } | ||
| if ("Cached:".equals(infos[0])) { | ||
| ms.cached = Long.parseLong(infos[1]) * 1024; | ||
| i++; | ||
| continue; | ||
| } | ||
| } | ||
| memstats = ms; | ||
| } catch (Exception e) { | ||
| logger.debug("warning,can't parse line at /proc/meminfo", e.getMessage()); | ||
| } | ||
| } | ||
|
|
||
| private class Memstats { | ||
| long memTotal; | ||
| long memFree; | ||
| long cached; | ||
| long buffers; | ||
| } | ||
| } |
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49 changes: 49 additions & 0 deletions
49
...kout-ext-os/src/test/java/com/alipay/lookout/os/linux/MemoryStatsMetricsImporterTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| /* | ||
| * 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 com.alipay.lookout.os.linux; | ||
|
|
||
| import com.alipay.lookout.api.Measurement; | ||
| import com.alipay.lookout.api.Metric; | ||
| import com.alipay.lookout.api.Registry; | ||
| import com.alipay.lookout.core.DefaultRegistry; | ||
| import org.junit.Assert; | ||
| import org.junit.Test; | ||
|
|
||
| import java.util.Collection; | ||
| import java.util.Iterator; | ||
| import java.util.concurrent.TimeUnit; | ||
|
|
||
| /** | ||
| * @author: kevin.luy@antfin.com | ||
| * @create: 2019-03-12 21:40 | ||
| **/ | ||
| public class MemoryStatsMetricsImporterTest { | ||
|
|
||
| @Test | ||
| public void test() { | ||
| Registry registry = new DefaultRegistry(); | ||
| MemoryStatsMetricsImporter memoryStatsMetricsImporter = new MemoryStatsMetricsImporter( | ||
| "src/test/resources/proc_meminfo", 1000, TimeUnit.MILLISECONDS); | ||
| memoryStatsMetricsImporter.register(registry); | ||
| Iterator<Metric> iterator = registry.iterator(); | ||
| while (iterator.hasNext()) { | ||
| Metric metric = iterator.next(); | ||
| Collection<Measurement> measurements = metric.measure().measurements(); | ||
| Assert.assertEquals(measurements.size(), 4); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| MemTotal: 4106756 kB | ||
| MemFree: 51004 kB | ||
| Buffers: 495632 kB | ||
| Cached: 1691248 kB | ||
| SwapCached: 0 kB | ||
| Active: 2799008 kB | ||
| Inactive: 1047516 kB | ||
| Active(anon): 1393568 kB | ||
| Inactive(anon): 286376 kB | ||
| Active(file): 1405440 kB | ||
| Inactive(file): 761140 kB | ||
| Unevictable: 0 kB | ||
| Mlocked: 0 kB | ||
| SwapTotal: 2097144 kB | ||
| SwapFree: 2097144 kB | ||
| Dirty: 660 kB | ||
| Writeback: 0 kB | ||
| AnonPages: 1658804 kB | ||
| Mapped: 73820 kB | ||
| Shmem: 21180 kB | ||
| Slab: 127452 kB | ||
| SReclaimable: 99996 kB | ||
| SUnreclaim: 27456 kB | ||
| KernelStack: 5928 kB | ||
| PageTables: 12424 kB | ||
| NFS_Unstable: 0 kB | ||
| Bounce: 0 kB | ||
| WritebackTmp: 0 kB | ||
| CommitLimit: 4150520 kB | ||
| Committed_AS: 5889456 kB | ||
| VmallocTotal: 34359738367 kB | ||
| VmallocUsed: 17652 kB | ||
| VmallocChunk: 34359717664 kB | ||
| HardwareCorrupted: 0 kB | ||
| AnonHugePages: 0 kB | ||
| HugePages_Total: 0 | ||
| HugePages_Free: 0 | ||
| HugePages_Rsvd: 0 | ||
| HugePages_Surp: 0 | ||
| Hugepagesize: 2048 kB | ||
| DirectMap4k: 4194304 kB | ||
| DirectMap2M: 0 kB |
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