我如何杀死匹配超过30分钟的grep的进程？ | 我如何杀死匹配超过30分钟的grep的进程

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问题描述

我有一组并行运行的进程。

有时候有些程序的运行时间比脚本应该允许的长：

  b $ b可以发出以下 awk 命令： 
 
 
  ps ax  - ocmd，pid，etime | awk'/ PROCESS_NAME / {split（$（NF），a，：）; if（a [1]> 30）print}'
  
仅获取pids run 
  ps ax -ocmd，pid，etime | awk'/ PROCESS_NAME / {split（$（NF），a，：）; if（a [1]> 30）print $（NF-1）}'
  
您可以将它传递给 xargs kill ，如下所示：
  ps ax -ocmd，pid，etime | awk'/ PROCESS_NAME / {split（$（NF），a，：）; if（a [1]> 30）print $（NF-1）}'\ 
 | xargs杀死
  
 
I have a set of processes that run in parallel.
Occasionally some hang around longer than the script is supposed to allow:
$time_start = microtime(true)
$max_run_time = 30 * 60; // 30 minutes, measured in seconds
while ((microtime(true)-$time_start) < $max_run_time) {
    // do stuff, but quit after 30 minutes
}
I'd like to kill old processes of this script that have been around longer than 30 minutes.
How can I do as much from the command line?
Here's a sample of current running processes:
> ps aux | grep script.php
my_user       856 28.3  0.7 546152 234568 ?       S    11:46  88:42 php /path/to/my/script.php
my_user      4931 28.2  1.2 708176 396476 ?       R    07:03 168:06 php /path/to/my/script.php
my_user      6965 28.6  0.7 542132 230764 ?       S    11:51  88:08 php /path/to/my/script.php
my_user      8411 28.3  0.6 536944 225392 ?       S    11:47  88:27 php /path/to/my/script.php
my_user      9087 28.3  1.5 820720 509208 ?       S    06:56 171:12 php /path/to/my/script.php
my_user      9095 27.3  1.1 693496 381992 ?       S    06:56 164:59 php /path/to/my/script.php
my_user     11182 28.1  1.1 704948 393028 ?       R    06:57 169:14 php /path/to/my/script.php
my_user     12490 27.9  0.7 553700 242444 ?       S    11:35  90:32 php /path/to/my/script.php
my_user     14050 28.0  1.1 686380 374972 ?       S    06:58 168:42 php /path/to/my/script.php
my_user     14051 27.9  1.5 828872 517364 ?       S    06:58 168:14 php /path/to/my/script.php
my_user     14888 27.9  0.6 540208 228744 ?       R    11:52  85:55 php /path/to/my/script.php
my_user     16412 27.0  0.9 612436 300828 ?       S    11:48  84:01 php /path/to/my/script.php
my_user     17776 28.2  1.1 693748 382016 ?       S    06:59 169:38 php /path/to/my/script.php
my_user     21159 28.2  1.5 825944 514560 ?       R    07:00 169:02 php /path/to/my/script.php
my_user     21215 28.5  1.2 708172 396724 ?       S    07:00 171:01 php /path/to/my/script.php
my_user     23615 27.3  0.9 632712 321224 ?       S    11:24  91:36 php /path/to/my/script.php
my_user     26225 27.8  1.1 696316 384788 ?       S    07:01 166:42 php /path/to/my/script.php
my_user     31541 28.6  1.5 829628 518124 ?       S    07:02 170:46 php /path/to/my/script.php
my_user     31542 28.4  1.1 704476 393152 ?       S    07:02 170:02 php /path/to/my/script.php
I can kill them all using `pkill -f "php /path/to/my/script.php"
But how can I just kill the old ones?
 解决方案 
To obtain the list of processes named PROCESS_NAME which are running longer than 30 minutes youcan issue the following awkcommand:
ps ax -ocmd,pid,etime | awk '/PROCESS_NAME/{split($(NF),a,":");if(a[1]>30)print}'
To obtain only the pids run
ps ax -ocmd,pid,etime | awk '/PROCESS_NAME/{split($(NF),a,":");if(a[1]>30)print $(NF-1)}'
You can pipe this to xargs kill, like this:
ps ax -ocmd,pid,etime | awk '/PROCESS_NAME/{split($(NF),a,":");if(a[1]>30)print $(NF-1)}' \
| xargs kill
                        
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