Sysdig笔记(3)——chisel

Sysdig中的chisel是用Lua语言编写的脚本,用来分析和处理sysdig产生的eventSysidg会在下列目录中查找chisel., ./chisels, ~/chisels和/usr/share/sysdig/chisels

列出sysdig所有的chisel

# sysdig -cl

Category: Application
---------------------
httplog         HTTP requests log
httptop         Top HTTP requests
memcachelog     memcached requests log

Category: CPU Usage
-------------------
spectrogram     Visualize OS latency in real time.
......

如果想查看关于某个chisel的详细信息,可以使用-i选项:

# sysdig -itopfiles_bytes

Category: I/O
-------------
topfiles_bytes  Top files by R+W bytes

Shows the top files in terms of disk usage. This chisel is compatable with cont
ainers using the sysdig -pc or -pcontainer argument, otherwise no container inf
ormation will be shown.
Args:
(None)

执行chisel使用-c选项:

# sysdig -c topfiles_bytes
Bytes               Filename
--------------------------------------------------------------------------------
Bytes               Filename
--------------------------------------------------------------------------------
144B                /dev/ptmx
Bytes               Filename
--------------------------------------------------------------------------------
165B                /dev/ptmx

也可以为chisel指定参数:

# sysdig -c topfiles_bytes "not fd.name contains /dev"
Bytes               Filename
--------------------------------------------------------------------------------
Bytes               Filename
--------------------------------------------------------------------------------
Bytes               Filename
--------------------------------------------------------------------------------
7.47KB              /proc/cpuinfo
1024B               /proc/meminfo

参考资料:

Sysdig Quick Reference Guide

Chisels User Guide

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