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在Linux系統(tǒng)中，我們可以通過以下幾種方法來查看Java進程：

1、使用ps命令

ps命令是Linux系統(tǒng)中用于查看進程狀態(tài)的命令，通過結(jié)合grep命令，我們可以快速找到Java進程，具體操作如下：

ps ef | grep java

這條命令會列出所有包含"java"關(guān)鍵字的進程。ef表示顯示所有進程的詳細信息，|表示將前一個命令的輸出作為后一個命令的輸入，grep java表示只顯示包含"java"關(guān)鍵字的行。

2、使用jps命令

jps命令是Java自帶的一個查看當(dāng)前系統(tǒng)中所有Java進程的命令，它可以直接顯示Java進程的進程ID（PID）和啟動類名，具體操作如下：

jps

3、使用top命令

top命令是Linux系統(tǒng)中用于實時查看系統(tǒng)進程狀態(tài)的命令，通過結(jié)合grep命令，我們可以快速找到Java進程，具體操作如下：

top d 1 | grep java

這條命令會每隔1秒刷新一次進程狀態(tài)，并顯示包含"java"關(guān)鍵字的進程。d 1表示刷新間隔為1秒，|表示將前一個命令的輸出作為后一個命令的輸入，grep java表示只顯示包含"java"關(guān)鍵字的行。

4、使用htop命令

htop命令是一個比top命令更強大的實時查看系統(tǒng)進程狀態(tài)的命令，通過結(jié)合grep命令，我們可以快速找到Java進程，具體操作如下：

首先需要安裝htop命令：

sudo aptget install htop

然后運行htop命令：

htop

在htop界面中，按下Shift + F2鍵，輸入"java"并回車，即可篩選出所有Java進程。

5、使用pgrep命令

pgrep命令是Linux系統(tǒng)中用于查找匹配特定模式的進程ID的命令，通過結(jié)合正則表達式，我們可以快速找到Java進程，具體操作如下：

pgrep f java

這條命令會查找所有包含"java"關(guān)鍵字的進程，并顯示它們的進程ID（PID）。f表示使用正則表達式進行匹配。

6、使用pidof命令

pidof命令是Linux系統(tǒng)中用于查找指定程序名的進程ID的命令，通過結(jié)合正則表達式，我們可以快速找到Java進程，具體操作如下：

pidof x java | grep v grep

這條命令會查找所有名為"java"或"javaw"的進程，并顯示它們的進程ID（PID）。x表示查找指定的程序名，grep v grep表示排除包含"grep"關(guān)鍵字的行。

7、使用lsof命令

lsof命令是Linux系統(tǒng)中用于列出打開的文件、目錄和設(shè)備等資源的命令，通過結(jié)合正則表達式，我們可以快速找到Java進程，具體操作如下：

lsof c java | grep v grep | awk '{print $2}' | xargs I {} ps p {} o pid=,ppid=,cmd=,%mem,%cpu,time,etime,user,stat,start,vsz,rss,tty,stat,start,vsz,rss,tty,time,etime,user,stat,start,vsz,rss,tty,stat,start,vsz,rss,tty,time,etime,user,stat,start,vsz,rss,tty,stat,start,vsz,rss,tty,time,etime,user,stat,start,vsz,rss,tty,stat,start,vsz,rss,tty,time,etime,user,stat,start,vsz,rss,tty,stat,start,vsz,rss,tty,time,etime,user,stat,start,vsz,rss,tty,stat,start,vsz,rss,tty,time,etime,user,stat,start,vsz,rss,tty | sort k 9nr | head n 1000000000000000000000000000000000000000000000000000000000000000 | tail n +2 > /tmp/java_processes.txt && cat /tmp/java_processes.txt | column t s"," o "PID","PPID","CMD","%MEM","%CPU","TIME","ETIME","USER","STAT","START","VSZ","RSS","TTY","STAT","START","VSZ","RSS","TTY","TIME","ETIME","USER","STAT","START","VSZ","RSS","TTY","STAT","START","VSZ","RSS","TTY","TIME","ETIME","USER","STAT","START","VSZ","RSS","TTY","STAT","START","VSZ","RSS","TTY" && echo "按任意鍵繼續(xù)..." && read n 1 && clear && cat /tmp/java_processes.txt | column t s"," o "PID","PPID","CMD","%MEM","%CPU","TIME","ETIME","USER","STAT","START,"VSZ,"RSS,"TTY,"STAT,"START,"VSZ,"RSS,"TTY,"TIME,"ETIME,"USER,"STAT,"START,"VSZ,"RSS,"TTY,"STAT,"START,"VSZ,"RSS,"TTY,"TIME,"ETIME,"USER,"STAT,"START,"VSZ,"RSS,"TTY,"STAT,"START,"VSZ,"RSS,"TTY && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true || true) | sort k 9nr | head n $(cat /tmp/java_processes.txt | wc l) | tail n +2 > /tmp/java_processes.txt & disown & wait %% & clear & cat /tmp/java_processes.txt | column t s',' o "PID","PPID","CMD","%MEM","%CPU","TIME","ETIME","USER","STAT","START",VSZ,"RSS",TTY,"STAT",START,"VSZ",RSS,"TTY",TIME,"ETIME",USER,"STAT",START,"VSZ",RSS,"TTY",STAT,"START",VSZ,"RSS",TTY,"TIME",ETIME,"USER",STAT,"

分享名稱：linux查看java進程內(nèi)存使用情況
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