From ed38c6a5784b0ea523e23a36050244230410ff2f Mon Sep 17 00:00:00 2001
From: hengyunabc <hengyunabc@gmail.com>
Date: Wed, 8 Apr 2020 11:32:45 +0800
Subject: [PATCH] update doc

---
 .../arthas/core/command/basic1000/EchoCommand.java       | 4 ++++
 .../core/command/monitor200/PerfCounterCommand.java      | 5 ++++-
 site/src/site/sphinx/advanced-use.md                     | 1 +
 site/src/site/sphinx/commands.md                         | 1 +
 site/src/site/sphinx/echo.md                             | 9 +++++++++
 site/src/site/sphinx/en/advanced-use.md                  | 1 +
 site/src/site/sphinx/en/commands.md                      | 1 +
 site/src/site/sphinx/en/echo.md                          | 9 +++++++++
 8 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 site/src/site/sphinx/echo.md
 create mode 100644 site/src/site/sphinx/en/echo.md

diff --git a/core/src/main/java/com/taobao/arthas/core/command/basic1000/EchoCommand.java b/core/src/main/java/com/taobao/arthas/core/command/basic1000/EchoCommand.java
index ca3f335d3..89cc62f46 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/basic1000/EchoCommand.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/basic1000/EchoCommand.java
@@ -1,5 +1,6 @@
 package com.taobao.arthas.core.command.basic1000;
 
+import com.taobao.arthas.core.command.Constants;
 import com.taobao.arthas.core.shell.command.AnnotatedCommand;
 import com.taobao.arthas.core.shell.command.CommandProcess;
 import com.taobao.middleware.cli.annotations.Argument;
@@ -14,6 +15,9 @@ import com.taobao.middleware.cli.annotations.Summary;
  */
 @Name("echo")
 @Summary("write arguments to the standard output")
+@Description("\nExamples:\n" +
+        "  echo 'abc'\n" +
+        Constants.WIKI + Constants.WIKI_HOME + "echo")
 public class EchoCommand extends AnnotatedCommand {
     private String message;
 
diff --git a/core/src/main/java/com/taobao/arthas/core/command/monitor200/PerfCounterCommand.java b/core/src/main/java/com/taobao/arthas/core/command/monitor200/PerfCounterCommand.java
index d0eb9ae29..a388a7dba 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/monitor200/PerfCounterCommand.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/monitor200/PerfCounterCommand.java
@@ -32,7 +32,10 @@ import sun.management.counter.perf.PerfInstrumentation;
  */
 @Name("perfcounter")
 @Summary("Display the perf counter infornation.")
-@Description(Constants.WIKI + Constants.WIKI_HOME + "perf")
+@Description("\nExamples:\n" +
+        "  perfcounter\n" +
+        "  perfcounter -d\n" +
+        Constants.WIKI + Constants.WIKI_HOME + "perfcounter")
 public class PerfCounterCommand extends AnnotatedCommand {
     private static final Logger logger = LoggerFactory.getLogger(PerfCounterCommand.class);
     private static Object perfObject;
diff --git a/site/src/site/sphinx/advanced-use.md b/site/src/site/sphinx/advanced-use.md
index b4dac0ff1..e671b2caa 100644
--- a/site/src/site/sphinx/advanced-use.md
+++ b/site/src/site/sphinx/advanced-use.md
@@ -6,6 +6,7 @@
 
 * help——查看命令帮助信息
 * [cat](cat.md)——打印文件内容，和linux里的cat命令类似
+* [echo](echo.md)--打印参数，和linux里的echo命令类似
 * [grep](grep.md)——匹配查找，和linux里的grep命令类似
 * [tee](tee.md)——复制标准输入到标准输出和指定的文件，和linux里的tee命令类似
 * [pwd](pwd.md)——返回当前的工作目录，和linux命令类似
diff --git a/site/src/site/sphinx/commands.md b/site/src/site/sphinx/commands.md
index 365de44a0..a48066d8a 100644
--- a/site/src/site/sphinx/commands.md
+++ b/site/src/site/sphinx/commands.md
@@ -33,6 +33,7 @@
 * [profiler](profiler.md)
 
 * [cat](cat.md)
+* [echo](echo.md)
 * [grep](grep.md)
 * [tee](tee.md)
 * [pwd](pwd.md)
diff --git a/site/src/site/sphinx/echo.md b/site/src/site/sphinx/echo.md
new file mode 100644
index 000000000..39ace94e0
--- /dev/null
+++ b/site/src/site/sphinx/echo.md
@@ -0,0 +1,9 @@
+echo
+===
+
+> 打印参数，和linux里的echo命令类似。
+
+
+```bash
+$ echo 'hello'
+```
\ No newline at end of file
diff --git a/site/src/site/sphinx/en/advanced-use.md b/site/src/site/sphinx/en/advanced-use.md
index a5c1fbf4b..6c758f674 100644
--- a/site/src/site/sphinx/en/advanced-use.md
+++ b/site/src/site/sphinx/en/advanced-use.md
@@ -6,6 +6,7 @@ Advanced Usage
 * help - display Arthas help
 * cls - clear the screen
 * [cat](cat.md) - Concatenate and print files
+* [echo](echo.md) - write arguments to the standard output
 * [grep](grep.md) - Pattern searcher
 * [tee](tee.md) - Copies standard input to standard output, making a copy in zero or more files.
 * [pwd](pwd.md) - Return working directory name
diff --git a/site/src/site/sphinx/en/commands.md b/site/src/site/sphinx/en/commands.md
index f3c689d46..3a3b1060a 100644
--- a/site/src/site/sphinx/en/commands.md
+++ b/site/src/site/sphinx/en/commands.md
@@ -33,6 +33,7 @@ All Commands
 * [profiler](profiler.md)
 
 * [cat](cat.md)
+* [echo](echo.md)
 * [grep](grep.md)
 * [tee](tee.md)
 * [pwd](pwd.md)
diff --git a/site/src/site/sphinx/en/echo.md b/site/src/site/sphinx/en/echo.md
new file mode 100644
index 000000000..0490186f2
--- /dev/null
+++ b/site/src/site/sphinx/en/echo.md
@@ -0,0 +1,9 @@
+echo
+===
+
+> write arguments to the standard output.
+
+
+```bash
+$ echo 'hello'
+```
\ No newline at end of file