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1# task<a name="ZH-CN_TOPIC_0000001179845923"></a>
2
3-   [命令功能](#section0533181714106)
4-   [命令格式](#section1014412308101)
5-   [参数说明](#section116057158506)
6-   [使用指南](#section2053502951112)
7-   [使用实例](#section12629113381116)
8-   [输出说明](#section19299103465015)
9
10## 命令功能<a name="section0533181714106"></a>
11
12task命令用于查询进程及线程信息。
13
14## 命令格式<a name="section1014412308101"></a>
15
16task/task -a
17
18## 参数说明<a name="section116057158506"></a>
19
20**表 1**  参数说明
21
22<a name="table672mcpsimp"></a>
23<table><thead align="left"><tr id="row678mcpsimp"><th class="cellrowborder" valign="top" width="21%" id="mcps1.2.4.1.1"><p id="p680mcpsimp"><a name="p680mcpsimp"></a><a name="p680mcpsimp"></a>参数</p>
24</th>
25<th class="cellrowborder" valign="top" width="52%" id="mcps1.2.4.1.2"><p id="p682mcpsimp"><a name="p682mcpsimp"></a><a name="p682mcpsimp"></a>参数说明</p>
26</th>
27<th class="cellrowborder" valign="top" width="27%" id="mcps1.2.4.1.3"><p id="p684mcpsimp"><a name="p684mcpsimp"></a><a name="p684mcpsimp"></a>取值范围</p>
28</th>
29</tr>
30</thead>
31<tbody><tr id="row685mcpsimp"><td class="cellrowborder" valign="top" width="21%" headers="mcps1.2.4.1.1 "><p id="p687mcpsimp"><a name="p687mcpsimp"></a><a name="p687mcpsimp"></a>-a</p>
32</td>
33<td class="cellrowborder" valign="top" width="52%" headers="mcps1.2.4.1.2 "><p id="p689mcpsimp"><a name="p689mcpsimp"></a><a name="p689mcpsimp"></a>查看更多信息。</p>
34</td>
35<td class="cellrowborder" valign="top" width="27%" headers="mcps1.2.4.1.3 "><p id="p691mcpsimp"><a name="p691mcpsimp"></a><a name="p691mcpsimp"></a>N/A</p>
36</td>
37</tr>
38</tbody>
39</table>
40
41## 使用指南<a name="section2053502951112"></a>
42
43-   参数缺省时默认打印部分任务信息。
44
45## 使用实例<a name="section12629113381116"></a>
46
47举例：输入task
48
49## 输出说明<a name="section19299103465015"></a>
50
51**图 1**  查询任务部分信息<a name="fig13685195715451"></a>
52![](figure/查询任务部分信息.png "查询任务部分信息")
53
54**表 2**  输出说明
55
56<a name="table809mcpsimp"></a>
57<table><thead align="left"><tr id="row814mcpsimp"><th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.1"><p id="p816mcpsimp"><a name="p816mcpsimp"></a><a name="p816mcpsimp"></a>输出</p>
58</th>
59<th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.2"><p id="p818mcpsimp"><a name="p818mcpsimp"></a><a name="p818mcpsimp"></a>说明</p>
60</th>
61</tr>
62</thead>
63<tbody><tr id="row20360171311398"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p123611139397"><a name="p123611139397"></a><a name="p123611139397"></a>PID</p>
64</td>
65<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p3361171333920"><a name="p3361171333920"></a><a name="p3361171333920"></a>进程ID。</p>
66</td>
67</tr>
68<tr id="row262535153913"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p862625163918"><a name="p862625163918"></a><a name="p862625163918"></a>PPID</p>
69</td>
70<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p1062611511398"><a name="p1062611511398"></a><a name="p1062611511398"></a>父进程ID。</p>
71</td>
72</tr>
73<tr id="row9683953153916"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p76831753103915"><a name="p76831753103915"></a><a name="p76831753103915"></a>PGID</p>
74</td>
75<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p2068355383916"><a name="p2068355383916"></a><a name="p2068355383916"></a>进程组ID。</p>
76</td>
77</tr>
78<tr id="row85721136402"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p8572151313402"><a name="p8572151313402"></a><a name="p8572151313402"></a>UID</p>
79</td>
80<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p55721813164013"><a name="p55721813164013"></a><a name="p55721813164013"></a>用户ID。</p>
81</td>
82</tr>
83<tr id="row19180126151415"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p836mcpsimp"><a name="p836mcpsimp"></a><a name="p836mcpsimp"></a>Status</p>
84</td>
85<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p838mcpsimp"><a name="p838mcpsimp"></a><a name="p838mcpsimp"></a>任务当前的状态。</p>
86</td>
87</tr>
88<tr id="row511517331702"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p2116833506"><a name="p2116833506"></a><a name="p2116833506"></a>CPUUSE10s</p>
89</td>
90<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p2011611331604"><a name="p2011611331604"></a><a name="p2011611331604"></a>10秒内CPU使用率。</p>
91</td>
92</tr>
93<tr id="row136191839311"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p66199397110"><a name="p66199397110"></a><a name="p66199397110"></a>PName</p>
94</td>
95<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p11619153916110"><a name="p11619153916110"></a><a name="p11619153916110"></a>进程名。</p>
96</td>
97</tr>
98<tr id="row824mcpsimp"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p826mcpsimp"><a name="p826mcpsimp"></a><a name="p826mcpsimp"></a>TID</p>
99</td>
100<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p828mcpsimp"><a name="p828mcpsimp"></a><a name="p828mcpsimp"></a>任务ID。</p>
101</td>
102</tr>
103<tr id="row839mcpsimp"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p841mcpsimp"><a name="p841mcpsimp"></a><a name="p841mcpsimp"></a>StackSize</p>
104</td>
105<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p843mcpsimp"><a name="p843mcpsimp"></a><a name="p843mcpsimp"></a>任务堆栈的大小。</p>
106</td>
107</tr>
108<tr id="row844mcpsimp"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p846mcpsimp"><a name="p846mcpsimp"></a><a name="p846mcpsimp"></a>WaterLine</p>
109</td>
110<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p848mcpsimp"><a name="p848mcpsimp"></a><a name="p848mcpsimp"></a>栈使用的峰值。</p>
111</td>
112</tr>
113<tr id="row10188146131813"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p218912671818"><a name="p218912671818"></a><a name="p218912671818"></a>MEMUSE</p>
114</td>
115<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p1518926151810"><a name="p1518926151810"></a><a name="p1518926151810"></a>内存使用量。</p>
116</td>
117</tr>
118<tr id="row45465584313"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p821mcpsimp"><a name="p821mcpsimp"></a><a name="p821mcpsimp"></a>TaskName</p>
119</td>
120<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p823mcpsimp"><a name="p823mcpsimp"></a><a name="p823mcpsimp"></a>任务名。</p>
121</td>
122</tr>
123</tbody>
124</table>
125
126