| <html devsite><head> |
| <title>查看网络使用情况数据</title> |
| <meta name="project_path" value="/_project.yaml"/> |
| <meta name="book_path" value="/_book.yaml"/> |
| </head> |
| <body> |
| <!-- |
| Copyright 2017 The Android Open Source Project |
| |
| Licensed 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. |
| --> |
| |
| <p>使用命令 <code>adb shell dumpsys netstats detail</code> 提供自设备启动后收集的网络使用情况统计信息。</p> |
| |
| <h2 id="input">输入</h2> |
| |
| <p>要查看网络使用情况统计信息，请运行以下命令：</p> |
| |
| <pre class="prettyprint"> |
| $ adb shell dumpsys netstats detail |
| </pre> |
| |
| <h2 id="output">输出</h2> |
| |
| <p>报告的一系列信息因 Android 的版本而异，但由以下几个部分组成：</p> |
| |
| <ul> |
| <li> 活动接口 |
| </li><li> 活动 UID 接口 |
| </li><li> 开发统计信息 |
| </li><li> Xt 统计信息 |
| </li><li> UID 统计信息（有时也称为“详细的 UID 统计信息”） |
| </li><li> UID 代码统计信息 |
| </li></ul> |
| |
| <h3 id="active_interfaces_active_uid_interfaces">活动接口/活动 UID 接口</h3> |
| |
| <p>以下是活动接口和活动 UID 接口部分的输出示例：</p> |
| |
| <pre> |
| Active interfaces: |
| iface=wlan0 ident=[{type=WIFI, subType=COMBINED, networkId="GoogleGuest"}] |
| Active UID interfaces: |
| iface=wlan0 ident=[{type=WIFI, subType=COMBINED, networkId="GoogleGuest"}] |
| </pre> |
| |
| <p>此处显示的是整个设备的网络统计信息。在大多数情况下，这两个部分的信息是相同的。</p> |
| |
| <h3 id="dev_stats_xt_stats">开发统计信息/Xt 统计信息</h3> |
| |
| <p>以下是开发统计信息部分的输出示例：</p> |
| |
| <pre> |
| Dev stats: |
| Pending bytes: 170775 |
| Complete history: |
| ident=[[type=MOBILE_HIPRI, subType=COMBINED, subscriberId=311111...]] uid=-1 set=ALL tag=0x0 |
| NetworkStatsHistory: bucketDuration=3600000 |
| bucketStart=1406138400000 activeTime=3603995 rxBytes=19467 rxPackets=53 txBytes=7500 txPackets=61 operations=0 |
| bucketStart=1406142000000 activeTime=20730 rxBytes=25403 rxPackets=66 txBytes=9140 txPackets=74 operations=0 |
| bucketStart=1406145600000 activeTime=29161 rxBytes=9263 rxPackets=37 txBytes=5180 txPackets=38 operations=0 |
| bucketStart=1406149200000 activeTime=9054 rxBytes=12387 rxPackets=31 txBytes=4052 txPackets=35 operations=0 |
| ident=[[type=WIFI, subType=COMBINED, networkId="MySSID"]] uid=-1 set=ALL tag=0x0 |
| NetworkStatsHistory: bucketDuration=3600000 |
| bucketStart=1406138400000 activeTime=4811082 rxBytes=335913292 rxPackets=265144 txBytes=9729261 txPackets=117220 operations=0 |
| bucketStart=1406142000000 activeTime=3513477 rxBytes=1193606876 rxPackets=956855 txBytes=29450792 txPackets=306634 operations=0 |
| bucketStart=1406145600000 activeTime=3297986 rxBytes=729381849 rxPackets=586396 txBytes=24247211 txPackets=237438 operations=0 |
| bucketStart=1406149200000 activeTime=3580941 rxBytes=57168575 rxPackets=51610 txBytes=5291167 txPackets=29260 operations=0 |
| ident=[[type=WIFI, subType=COMBINED, networkId="MySecondSSID"]] uid=-1 set=ALL tag=0x0 |
| NetworkStatsHistory: bucketDuration=3600000 |
| </pre> |
| |
| <h3 id="uid_stats">UID 统计信息</h3> |
| |
| <pre> |
| UID stats: |
| Pending bytes: 744 |
| Complete history: |
| ident=[[type=MOBILE_SUPL, subType=COMBINED, subscriberId=311111...], [type=MOBILE, subType=COMBINED, subscriberId=311111...]] uid=10007 set=DEFAULT tag=0x0 |
| NetworkStatsHistory: bucketDuration=7200000 |
| bucketStart=1406167200000 activeTime=7200000 rxBytes=4666 rxPackets=7 txBytes=1597 txPackets=10 operations=0 |
| ident=[[type=WIFI, subType=COMBINED, networkId="MySSID"]] uid=10007 set=DEFAULT tag=0x0 |
| NetworkStatsHistory: bucketDuration=7200000 |
| bucketStart=1406138400000 activeTime=7200000 rxBytes=17086802 rxPackets=15387 txBytes=1214969 txPackets=8036 operations=28 |
| bucketStart=1406145600000 activeTime=7200000 rxBytes=2396424 rxPackets=2946 txBytes=464372 txPackets=2609 operations=70 |
| bucketStart=1406152800000 activeTime=7200000 rxBytes=200907 rxPackets=606 txBytes=187418 txPackets=739 operations=0 |
| bucketStart=1406160000000 activeTime=7200000 rxBytes=826017 rxPackets=1126 txBytes=267342 txPackets=1175 operations=35 |
| </pre> |
| |
| <h3 id="interpreting_the_results">解读结果</h3> |
| |
| <p>要查找应用的 UID，您可以运行以下命令： |
| <code>adb shell dumpsys package <your package name></code>， |
| 然后查找标有 <code>userId</code> 的行。</p> |
| |
| <p>在我们的示例中，假设我们要了解应用“com.example.myapp”的网络使用情况，则可以运行以下命令：</p> |
| |
| <pre> |
| $ adb shell dumpsys package com.example.myapp | grep userId |
| |
| userId=10007 gids=[3003, 1028, 1015] |
| </pre> |
| |
| <p>在上面的 dumpsys 命令中，我们查找包含 uid = 10007 的行。符合条件的行有两个，第一个表示移动数据连接，第二个表示 WLAN 连接。在每行的下方，可以看到发送和接收的字节数和数据包数，bucket 为两小时时间窗口。</p> |
| |
| <p>以下是进一步说明：</p> |
| |
| <ul> |
| <li> <code>set=DEFAULT</code> 表示前台网络使用情况，<code>set=BACKGROUND</code> 表示后台使用情况，<code>set=ALL</code> 表示上述两类使用情况。 |
| </li><li> <code>tag=0x0</code> 表示与流量关联的套接字代码。 |
| </li><li> <code>rxBytes</code> 和 <code>rxPackets</code> 表示在相应时间间隔内接收的字节数和数据包数。 |
| </li><li> <code>txBytes</code> 和 <code>txPackets</code> 表示在相应时间间隔内发送（传输）的字节数和数据包数。 |
| </li></ul> |
| |
| </body></html> |
