基于上次的nicstat linux还提供了nethogs,可以监控指定pid的具体流量,在这里可以下到源码.

获取过程：

open("/proc/$pid/fd")
open("/proc/net/tcp")
open("/proc/net/tcp6")
open("/etc/passwd")

eg:

[root@db-81 27274]# nethogs  -d  5

NetHogs version 0.7.snapshot

  PID USER     PRO[......]
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Nmap (“Network Mapper”) is an open source tool for network exploration and security auditing. It was designed to rapidly scan large networks, although it works fine against single hosts. While Nmap is commonly used for security audits, many systems and network administrators find it useful for routi[……]

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iotop是一个类似top的检测process IO 的Python 项目。可以在这里下载到源码,可以在这里找到具体的说明。下面做一个演示：

首先下载源码,要求python version>=2.6

wget http://guichaz.free.fr/iotop/files/iotop-0.5.tar.gz
wget http://www.python.org/ftp/python/2.6.6/Python-2.6.6.tgz

编译python

[root@oel58 tmp]# cd /tmp/Python-2.6.6
[root@oel58 Python[......]
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pidstat是一款很不错的针对linux pid状态监控的程序

The pidstat command is used for monitoring individual tasks currently being managed by the Linux kernel.
It writes to standard output activities for every task selected with option -p or for every task managed by the Linux kernel if option -p ALL has been used.[……]

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本来想写一篇关于nicstat的文章,霸爷已经写的非常好了参考这里nicstat 网络流量统计利器

这里说明一下使用nicstat 可以完美替代iptraf ,nload 等工具

同样可以替代watch –命令行模式:
eg:

Every 1.0s: /sbin/ifconfig eth0 | grep bytes                                                                                                                           Wed Feb[......]
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Perf is a profiler tool for Linux 2.6+ based systems that abstracts away CPU hardware differences in Linux performance measurementsand presents a simple commandline interface. Perf is based on the perf_events interface exported by recent versions of the Linux kernel. This article demonstrates the pe[……]

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