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libvirt笔记 (3) —— 得到virtualization host的能力信息

Posted by nanxiao on 十一月 6, 2015 in libvirt笔记 |

getCapabilities方法得到一个字符串,用来描述virtualization host的能力,以及能 […]

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SystemTap 笔记 (4)—— timer event

Posted by nanxiao on 十一月 6, 2015 in SystemTap 笔记 |

timer event会周期性执行handler。举个例子: # stap -e ‘probe timer.s […]

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Linux kernel 笔记 (39)——”THIS_MODULE”

Posted by nanxiao on 十一月 6, 2015 in Linux kernel 笔记 |

THIS_MODULE是一个macro,定义在<linux/module.h>中: #ifdef […]

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Linux kernel 笔记 (38)——”__user”修饰符

Posted by nanxiao on 十一月 6, 2015 in Linux kernel 笔记 |

在kernel代码中,有时会看到函数声明中有的参数带有__user修饰符: ssize_t (*write) […]

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