From e9c2f846ef09dc3a9bbd295ad82ade113d494e1b Mon Sep 17 00:00:00 2001 From: Brooke Lau Date: Thu, 12 Dec 2019 23:20:14 +0800 Subject: [PATCH 1/4] APL: 20191211-How-to-Find-High-CPU-Consumption-Processes-in-Linux --- ...91211 How to Find High CPU Consumption Processes in Linux.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sources/tech/20191211 How to Find High CPU Consumption Processes in Linux.md b/sources/tech/20191211 How to Find High CPU Consumption Processes in Linux.md index 1e628a04b4..465143ff79 100644 --- a/sources/tech/20191211 How to Find High CPU Consumption Processes in Linux.md +++ b/sources/tech/20191211 How to Find High CPU Consumption Processes in Linux.md @@ -1,5 +1,5 @@ [#]: collector: (lujun9972) -[#]: translator: ( ) +[#]: translator: (lxbwolf) [#]: reviewer: ( ) [#]: publisher: ( ) [#]: url: ( ) From 57740609a7ee45b10dd9e3cce10478d127066274 Mon Sep 17 00:00:00 2001 From: Brooke Lau Date: Fri, 13 Dec 2019 00:07:52 +0800 Subject: [PATCH 2/4] TSL: 20191211 How to Find High CPU Consumption Processes in Linux.md --- ...High CPU Consumption Processes in Linux.md | 120 +++++++----------- 1 file changed, 46 insertions(+), 74 deletions(-) diff --git a/sources/tech/20191211 How to Find High CPU Consumption Processes in Linux.md b/sources/tech/20191211 How to Find High CPU Consumption Processes in Linux.md index 465143ff79..cc6cf73b51 100644 --- a/sources/tech/20191211 How to Find High CPU Consumption Processes in Linux.md +++ b/sources/tech/20191211 How to Find High CPU Consumption Processes in Linux.md @@ -1,49 +1,23 @@ -[#]: collector: (lujun9972) -[#]: translator: (lxbwolf) -[#]: reviewer: ( ) -[#]: publisher: ( ) -[#]: url: ( ) -[#]: subject: (How to Find High CPU Consumption Processes in Linux) -[#]: via: (https://www.2daygeek.com/how-to-find-high-cpu-consumption-processes-in-linux/) -[#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/) +[#]: collector: "lujun9972" +[#]: translator: "lxbwolf" +[#]: reviewer: " " +[#]: publisher: " " +[#]: url: " " +[#]: subject: "How to Find High CPU Consumption Processes in Linux" +[#]: via: "https://www.2daygeek.com/how-to-find-high-cpu-consumption-processes-in-linux/" +[#]: author: "Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/" -How to Find High CPU Consumption Processes in Linux +Linux 中怎么找出 CPU 占用高的进程 ====== -We have already described in our previous article **[how to find high memory consumption processes in Linux][1]**. +在之前的文章中我们已经讨论过 [Linux 中怎么找出消耗内存高的进程][1] 。你可能也会遇到在 Linux 系统中找出 CPU 占用高的进程的情形。如果是这样，那么你需要列出系统中 CPU 占用高的进程的列表来确定。我认为只有两种方法能实现：使用 [top 命令][2] 和 [ps 命令][3]。出于一些理由，我更倾向于用 top 命令而不是 ps 命令。但是两个工具都能达到你要的目的，所以你可以根据需求决定使用哪个。这两个工具都被 Linux 系统管理员广泛使用。 -There are situations where you might see more CPU usage on a Linux system. +### 1) 怎样使用 top 命令找出 Linux 中 CPU 占用高的进程 -If so, you should identify a list of processes that consume more CPU on the system. - -I believe there are only two ways for you to check this. - -This can be done using the **[top command][2]** and the **[ps command][3]**. - -I’d like to go with the top command for most reasons instead of ps. - -But both will give you the same results, so you can choose the one you like. - -Both of these options are widely used by Linux administrators. - -### 1) How to Find High CPU Consumption Process in Linux Using the top Command - -The Linux top command is the best and most well known command that everyone uses to monitor Linux system performance. - -The top command provides a dynamic real-time view of the running process on a Linux system. - -It display system summary information, the list of processes currently being managed by the Linux kernel. - -It displays various system information such as CPU usage, Memory usage, Swap Memory, Number of running processes, system uptime, system load, Buffer Size, Cache Size, Process PID, etc. - -By default, it sorts the top output with the CPU usage and updates the top command data every 5 seconds. - -If you want to see a clear view of the top command output for further analysis, this is a best way to **[run the top command in the batch mode][4]**. - -Also, you need to **[understand the top command output][5]** to fix the performance problem on the system. +在所有监控 Linux 系统性能的工具中，Linux 的 top 命令是最好的也是最知名的。top 命令提供了 Linux 系统运行中的进程的动态实时视图。它能显示系统的概览信息，和 Linux 内核当前管理的进程列表。它显示了大量的系统信息，如 CPU 使用，内存使用，交换内存，运行的进程数，目前系统开机时间，系统负载，缓冲区大小，缓存大小，进程 PID等等。默认情况下，top 命令的输出结果按 CPU 占用进行排序，每 5 秒中更新一次结果。如果你想要一个更清晰的视图来更深入的分析结果，[以批次档模式运行 top 命令][4] 是最好的方法。同时，你需要 [理解 top 命令输出结果的含义][5] ，这样才能解决系统的性能问题。 ``` -# top -c -b | head -50 +# top -b | head -50 top - 00:19:17 up 14:23, 1 user, load average: 2.46, 2.18, 1.97 Tasks: 306 total, 1 running, 305 sleeping, 0 stopped, 0 zombie @@ -71,30 +45,30 @@ PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3286 daygeek 20 3089736 404088 184968 S 1.0 2.5 41:57.44 Web Content ``` -Details of the above command: +上面的命令的各部分解释： - * **top :** This is a command. - * **-b :** Batch mode. - * **head -50:** Display first 50 lines in the output. - * **PID :** Unique ID of the process. - * **USER :** Owner of the process. - * **PR :** priority of the process. - * **NI :** The NICE value of the process. - * **VIRT :** How much virtual memory used by the process. - * **RES :** How much physical memory used by the process. - * **SHR :** How much shared memory used by the process. - * **S :** This indicates the status of the process: S=sleep R=running Z=zombie. - * **%CPU :** The percentage of CPU used by the process. - * **%MEM :** The percentage of RAM used by the process. - * **TIME+ :** How long the process being running. - * **COMMAND :** Name of the process. + * **top :** 命令 + * **-b :** 批次档模式 + * **head -50:** 显示输出结果的前 50 个 + * **PID :** 进程的 ID + * **USER :** 进程的归属者 + * **PR :** 进程的等级 + * **NI :** 进程的 NICE 值 + * **VIRT :** 进程使用的虚拟内存 + * **RES :** 进程使用的物理内存 + * **SHR :** 进程使用的共享内存 + * **S :** 这个值表示进程的状态: S=睡眠 R=运行 Z=僵尸进程 + * **%CPU :** 进程占用的 CPU 比例 + * **%MEM :** 进程使用的 RAM 比例 + * **TIME+ :** 进程运行了多长时间 + * **COMMAND :** 进程名字 -If you want to see the full path of the command instead of the command name, run the following top command format. +如果你想看命令的完整路径而不是命令名字，以运行下面的格式 top 命令： ``` -# top -b | head -50 +# top -c -b | head -50 top - 00:28:49 up 14:33, 1 user, load average: 2.43, 2.49, 2.23 Tasks: 305 total, 1 running, 304 sleeping, 0 stopped, 0 zombie @@ -123,11 +97,9 @@ PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2179 daygeek 20 2945348 429644 172940 S 1.0 2.6 15:20.90 /usr/lib/firefox/firefox -contentproc -childID 6 -isForBrowser -prefsLen 7821 -prefMapSize 213431 -parentBuildID 20191031132559 -greomni /us+ ``` -### 2) How to Find High CPU Consumption Process in Linux Using the ps Command +### 2) 怎样使用 ps 命令找出 Linux 中 CPU 占用高的进程 -ps stands for processes status, it display the information about the active/running processes on the system. - -It provides a snapshot of the current processes along with detailed information like username, user id, cpu usage, memory usage, process start date and time command name etc. +ps 是 `process status`（进程状态）的缩写，它能显示系统中活跃的/运行中的进程的信息。它提供了当前进程及其详细信息，诸如用户名、用户 ID、CPU 使用率、内存使用、进程启动日期时间、命令名等等的快照。 ``` # ps -eo pid,ppid,%mem,%cpu,cmd --sort=-%cpu | head @@ -144,22 +116,22 @@ It provides a snapshot of the current processes along with detailed information 2179 1714 2.7 1.8 /usr/lib/firefox/firefox -contentproc -childID 6 -isForBrowser -prefsLen 7821 -prefMapSize 213431 -parentBuildID 20191031132559 -greomni /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appdir /usr/lib/firefox/browser 1714 true tab ``` -Details of the above command: +上面的命令的各部分解释： - * **ps :** This is a command. - * **-e :** Select all processes. - * **-o :** To customize a output format. - * **–sort=-%cpu :** Sort the ouput based on CPU usage. - * **head :** To display first 10 lines of the output - * **PID :** Unique ID of the process. - * **PPID :** Unique ID of the parent process. - * **%MEM :** The percentage of RAM used by the process. - * **%CPU :** The percentage of CPU used by the process. - * **Command :** Name of the process. + * **ps :** 命令名字 + * **-e :** 选择所有进程 + * **-o :** 自定义输出格式 + * **–sort=-%cpu :** 基于 CPU 使用率对输出结果排序 + * **head :** 显示结果的前 10 行 + * **PID :** 进程的 ID + * **PPID :** 父进程的 ID + * **%MEM :** 进程使用的 RAM 比例 + * **%CPU :** 进程占用的 CPU 比例 + * **Command :** 进程名字 -If you only want to see the command name instead of the absolute path of the command, use the ps command format below. +如果你只想看命令名字而不是命令的绝对路径，以运行下面的格式 ps 命令： ``` # ps -eo pid,ppid,%mem,%cpu,comm --sort=-%cpu | head @@ -182,7 +154,7 @@ via: https://www.2daygeek.com/how-to-find-high-cpu-consumption-processes-in-linu 作者：[Magesh Maruthamuthu][a] 选题：[lujun9972][b] -译者：[译者ID](https://github.com/译者ID) +译者：[lxbwolf](https://github.com/lxbwolf) 校对：[校对者ID](https://github.com/校对者ID) 本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出 From 7b2f4f6f623c0bd227e7cdcb4e79ec2dfecda5d7 Mon Sep 17 00:00:00 2001 From: Brooke Lau Date: Fri, 13 Dec 2019 00:08:38 +0800 Subject: [PATCH 3/4] TSL: 20191211 How to Find High CPU Consumption Processes in Linux.md --- ...0191211 How to Find High CPU Consumption Processes in Linux.md | 0 1 file changed, 0 insertions(+), 0 deletions(-) rename {sources => translated}/tech/20191211 How to Find High CPU Consumption Processes in Linux.md (100%) diff --git a/sources/tech/20191211 How to Find High CPU Consumption Processes in Linux.md b/translated/tech/20191211 How to Find High CPU Consumption Processes in Linux.md similarity index 100% rename from sources/tech/20191211 How to Find High CPU Consumption Processes in Linux.md rename to translated/tech/20191211 How to Find High CPU Consumption Processes in Linux.md From 49b7130dfc9709155ffdbbbb37d3ae459804b472 Mon Sep 17 00:00:00 2001 From: Brooke Lau Date: Fri, 13 Dec 2019 00:12:12 +0800 Subject: [PATCH 4/4] TSL: 20191211 How to Find High CPU Consumption Processes in Linux --- ...nd High CPU Consumption Processes in Linux.md | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/translated/tech/20191211 How to Find High CPU Consumption Processes in Linux.md b/translated/tech/20191211 How to Find High CPU Consumption Processes in Linux.md index cc6cf73b51..828494d8fd 100644 --- a/translated/tech/20191211 How to Find High CPU Consumption Processes in Linux.md +++ b/translated/tech/20191211 How to Find High CPU Consumption Processes in Linux.md @@ -1,11 +1,11 @@ -[#]: collector: "lujun9972" -[#]: translator: "lxbwolf" -[#]: reviewer: " " -[#]: publisher: " " -[#]: url: " " -[#]: subject: "How to Find High CPU Consumption Processes in Linux" -[#]: via: "https://www.2daygeek.com/how-to-find-high-cpu-consumption-processes-in-linux/" -[#]: author: "Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/" +[#]: collector: (lujun9972) +[#]: translator: (lxbwolf) +[#]: reviewer: ( ) +[#]: publisher: ( ) +[#]: url: ( ) +[#]: subject: (How to Find High CPU Consumption Processes in Linux) +[#]: via: (https://www.2daygeek.com/how-to-find-high-cpu-consumption-processes-in-linux/) +[#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/) Linux 中怎么找出 CPU 占用高的进程 ======