前面讲到了libpcap 捕获数据包,尤其在千兆网的条件下,大量的丢包,网上搜索好久,大概都是PF_PACKET +MMAP,NAPI,PF_RING之类的方法,我对PF_RING+libpcap进行实验,发现千兆网条件下,捕获数据包的性能很好,几乎不丢包, 实验环境搭配流程如下:1)下载PF_R....
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系统相关 时间:
2015-08-09 01:42:11
阅读次数:
326
dmesg命令参考博客 http://www.linuxso.com/command/dmesg.html dmesg用来显示内核环缓冲区(kernel-ring buffer)内容,内核将各种消息存放在这里。在系统引导时,内核将与硬件和模块初始化相关的信息填到这个缓冲区中。内核环缓冲区中的消息对于...
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系统相关 时间:
2015-08-06 22:13:42
阅读次数:
182
Prime Ring ProblemTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 34108Accepted Submission(s): 150...
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其他好文 时间:
2015-08-05 10:24:30
阅读次数:
115
Problem Description
A ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of numbers in two adjacent circles should be a prime...
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其他好文 时间:
2015-08-04 11:10:54
阅读次数:
104
Prime Ring ProblemTime Limit : 4000/2000ms (Java/Other)Memory Limit : 65536/32768K (Java/Other)Total Submission(s) : 18Accepted Submission(s) : 7Probl...
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其他好文 时间:
2015-08-03 22:29:13
阅读次数:
148
DescriptionA ring is composed of n (even number) circles as shown in diagram. Put natural numbers into each circle separately, and the sum of numbers....
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其他好文 时间:
2015-08-02 21:32:34
阅读次数:
154
原题DescriptionA ring is composed of n (even number) circles as shown in diagram. Put natural numbersinto each circle separately, and the sum of numbers...
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其他好文 时间:
2015-08-02 19:48:34
阅读次数:
151
DescriptionA ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of numbers in ...
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其他好文 时间:
2015-08-02 18:13:37
阅读次数:
124
题意:输入正整数n,把整数1,2,3,……,n组成一个环,使得相邻的两个整数之和均为素数。输出时从整数1 开始逆时针排列。同一个环应恰好输出一次。n 2 #include 3 #include 4 #include 5 using namespace std; 6 7 int is_prime(i....
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其他好文 时间:
2015-08-02 16:42:12
阅读次数:
105
DescriptionA ring is composed of n (even number) circles as shown in diagram. Put natural numbersinto each circle separately, and the sum of numbers i...
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其他好文 时间:
2015-08-01 17:02:18
阅读次数:
101