安装火焰图

phponcer · 2015-10-31T11:59:44+00:00

Hello! On Sat, Oct 31, 2015 at 10:40 AM, luaer wrote: > > 单核cpu的阿里云，512m 装了好&#x5...

安装火焰图

phponcer

# #Installaion:
# rpm -ivh kernel-debuginfo-($version).rpm
# rpm -ivh kernel-debuginfo-common-($version).rpm
# rpm -ivh kernel-devel-($version).rpm

安装火焰图必须装kernel debug包 真不好找，

http://vault.centos.org/6.2/centosplus/x86_64/Packages/

http://debuginfo.centos.org/

uname -r 在里面找

phponcer

total 132080

-rw-r--r-- 1 root root 91258458 Oct 31 11:58 kernel-debug-debuginfo-2.6.32-220.el6.x86_64.rpm

-rw-r--r-- 1 root root 36309008 Nov 6 2012 kernel-debuginfo-common-x86_64-2.6.32-220.el6.x86_64.rpm

-rw-r--r-- 1 root root 7669124 Dec 19 2011 kernel-devel-2.6.32-220.el6.centos.plus.x86_64.rpm

[root@localhost kernel]# uname -r

2.6.32-220.el6.x86_64

下载中是不是这样？

在 2015年10月31日星期六 UTC+8上午11:59:44，luaer写道：

# #Installaion:
# rpm -ivh kernel-debuginfo-($version).rpm
# rpm -ivh kernel-debuginfo-common-($version).rpm
# rpm -ivh kernel-devel-($version).rpm

安装火焰图必须装kernel debug包 真不好找，

http://vault.centos.org/6.2/centosplus/x86_64/Packages/

http://debuginfo.centos.org/

uname -r 在里面找

phponcer

[root@localhost kernel]# stap -v -e 'probe vfs.read {printf("read performed\n"); exit()}'
Pass 1: parsed user script and 107 library script(s) using 206356virt/34168res/3204shr/31416data kb, in 120usr/10sys/149real ms.
semantic error: while resolving probe point: identifier 'kernel' at /usr/share/systemtap/tapset/linux/vfs.stp:850:18
        source: probe vfs.read = kernel.function("vfs_read")
                                 ^

semantic error: missing x86_64 kernel/module debuginfo [man warning::debuginfo] under '/lib/modules/2.6.32-220.el6.x86_64/build'

semantic error: while resolving probe point: identifier 'vfs' at <input>:1:7
        source: probe vfs.read {printf("read performed\n"); exit()}
                      ^

semantic error: no match

Pass 2: analyzed script: 0 probe(s), 0 function(s), 0 embed(s), 0 global(s) using 211108virt/38804res/5180shr/34064data kb, in 60usr/380sys/1704real ms.
Pass 2: analysis failed.  [man error::pass2]

在 2015年10月31日星期六 UTC+8上午11:59:44，luaer写道：

# #Installaion:
# rpm -ivh kernel-debuginfo-($version).rpm
# rpm -ivh kernel-debuginfo-common-($version).rpm
# rpm -ivh kernel-devel-($version).rpm

安装火焰图必须装kernel debug包 真不好找，

http://vault.centos.org/6.2/centosplus/x86_64/Packages/

http://debuginfo.centos.org/

uname -r 在里面找

doujiang24

Hello

恐怕，你这是把这里当聊天室了吧，呵呵

请注意你的发言，毕竟大家订阅这个 group 时，并不希望看到无意义的内容

如果你真的遇到了问题，请先自己尝试解决，很有可能你的问题，别人都已经有过解决方案

如果实在没有办法，那么请把你的问题描述清楚，不要自己想都不想就复制粘贴上来，谢谢合作

2015-10-31 14:10 GMT+08:00 luaer <php...@gmail.com>:

[root@localhost kernel]# stap -v -e 'probe vfs.read {printf("read performed\n"); exit()}' Pass 1: parsed user script and 107 library script(s) using 206356virt/34168res/3204shr/31416data kb, in 120usr/10sys/149real ms. semantic error: while resolving probe point: identifier 'kernel' at /usr/share/systemtap/tapset/linux/vfs.stp:850:18 source: probe vfs.read = kernel.function("vfs_read") ^ semantic error: missing x86_64 kernel/module debuginfo [man warning::debuginfo] under '/lib/modules/2.6.32-220.el6.x86_64/build' semantic error: while resolving probe point: identifier 'vfs' at <input>:1:7 source: probe vfs.read {printf("read performed\n"); exit()} ^ semantic error: no match Pass 2: analyzed script: 0 probe(s), 0 function(s), 0 embed(s), 0 global(s) using 211108virt/38804res/5180shr/34064data kb, in 60usr/380sys/1704real ms. Pass 2: analysis failed. [man error::pass2]

在 2015年10月31日星期六 UTC+8上午11:59:44，luaer写道：
# #Installaion:
# rpm -ivh kernel-debuginfo-($version).rpm
# rpm -ivh kernel-debuginfo-common-($version).rpm
# rpm -ivh kernel-devel-($version).rpm
安装火焰图必须装kernel debug包 真不好找，
http://vault.centos.org/6.2/centosplus/x86_64/Packages/ 
http://debuginfo.centos.org/
uname -r 在里面找
--