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OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
.../bpftrace.ymp
4、验证：
bpftrace
USAGE:
bpftrace [options] filename
bpftrace [options] -e 'program'
OPTIONS:
-B MODE output buffering mode ('full', 'none')
-f FORMAT output format ('text', 'json')
-o file redirect bpftrace output to file
...
Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...d -v -n 2 /proc/stat /proc/version /proc/uptime /proc/loadavg /proc/sys/fs/file-nr /proc/sys/kernel/hostname
0.998 tail 12103 6578 0 /usr/bin/tail -v -n 16 /proc/net/dev
1.000 df 12104 6578 0 /usr/bin/df
1.002 who 12105 6578 0 /usr/bin/w...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网移动版 - 专注C/C++及内核技术
.../bpftrace.ymp
4、验证：
bpftrace
USAGE:
bpftrace [options] filename
bpftrace [options] -e 'program'
OPTIONS:
-B MODE output buffering mode ('full', 'none')
-f FORMAT output format ('text', 'json')
-o file redirect bpftrace output to file
...
Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网移动版 - ...
...d -v -n 2 /proc/stat /proc/version /proc/uptime /proc/loadavg /proc/sys/fs/file-nr /proc/sys/kernel/hostname
0.998 tail 12103 6578 0 /usr/bin/tail -v -n 16 /proc/net/dev
1.000 df 12104 6578 0 /usr/bin/df
1.002 who 12105 6578 0 /usr/bin/w...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
.../bpftrace.ymp
4、验证：
bpftrace
USAGE:
bpftrace [options] filename
bpftrace [options] -e 'program'
OPTIONS:
-B MODE output buffering mode ('full', 'none')
-f FORMAT output format ('text', 'json')
-o file redirect bpftrace output to file
...
Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...d -v -n 2 /proc/stat /proc/version /proc/uptime /proc/loadavg /proc/sys/fs/file-nr /proc/sys/kernel/hostname
0.998 tail 12103 6578 0 /usr/bin/tail -v -n 16 /proc/net/dev
1.000 df 12104 6578 0 /usr/bin/df
1.002 who 12105 6578 0 /usr/bin/w...
Inserting HTML into a div
...ml inserted. For example, I have a case in which server technologies (php etc) are disallowed, and I want to re-use about 20 lines of html inside the same page.
– Jennifer Michelle
Jan 30 '14 at 4:47
...
Remove folder and its contents from git/GitHub's history
... Just a side note: I used git count-objects -v to check if the files was actually removed but the size of the repository remains the same until I cloned the repository again. Git mantains a copy of all the original files I think.
– Davide Icardi
Jul...
C++11 range based loop: get item by value or reference to const
...e non-trivial copy semantics (e.g. std::string, some complex custom class, etc.) then I'd suggest using const auto& to avoid deep-copies:
for (const auto & x : vec)
....
share
|
improv...
How to change Vagrant 'default' machine name?
...reated a directory called nametest and ran
vagrant init precise64 http://files.vagrantup.com/precise64.box
to generate a default Vagrantfile. Then I opened the VirtualBox GUI so I could see what names the boxes I create would show up as.
Default Vagrantfile
Vagrant.configure('2') do |config|...