这是eBCC系列的终结篇。 eBCC 源代码可以在如下地址获得:
http://koji.aliyun-inc.com/kojifiles/packages/ebcc/1.0.0/3.1.al7/src/ebcc-1.0.0-3.1.al7.src.rpm 祝大家五一快乐!
Guide:
BCC是基于4.x kernel版本上的ebpf发展出来的一套性能分析工具集;
eBCC,顾名思义则是extended BCC的缩写,是阿里巴巴内核团队在Aliyun Linux 2上对BCC项目的拓展,包含BCC本身已有的工具集,和我们新开发的一些小的工具; eBCC则是基于在最新的BCC版本0.9之上做了一些拓展。
Aliyun Linux则使用了相对比较前沿,较新的kernel版本,支持ebpf特性,所以,如果想尝试ebpf,eBCC带来的系统上对“性能优化调试” 和 “问题诊断”上的新体验,那就请赶快升级到Aliyun Linux 2上吧。
client发起connect链接时的监控
1/usr/share/ebcc/tools/tcpconnect
server accept时的监控
1/usr/share/ebcc/tools/tcpaccept
client 发起connect() 的latency
1/usr/share/ebcc/tools/tcpconnlat
1Client:
2
3[root@xxx /home/ahao.mah/socket]
4#./client1
5hello muahao
6^@
7
8Server:
9
10[root@xxx /home/ahao.mah/socket]
11#./server1
latency:
1[root@xxx ]
2#/usr/share/ebcc/tools/funclatency -i 1 c:send -p 65035
3Tracing 1 functions for "c:send"... Hit Ctrl-C to end.
4 nsecs : count distribution
5 0 -> 1 : 0 | |
6 2 -> 3 : 0 | |
7 4 -> 7 : 0 | |
8 8 -> 15 : 0 | |
9 16 -> 31 : 0 | |
10 32 -> 63 : 0 | |
11 64 -> 127 : 0 | |
12 128 -> 255 : 0 | |
13 256 -> 511 : 0 | |
14 512 -> 1023 : 0 | |
15 1024 -> 2047 : 0 | |
16 2048 -> 4095 : 0 | |
17 4096 -> 8191 : 0 | |
18 8192 -> 16383 : 0 | |
19 16384 -> 32767 : 1 |****************************************|
Client:
1#include <sys/types.h>
2#include <sys/socket.h>
3#include <stdio.h>
4#include <netinet/in.h>
5#include <arpa/inet.h>
6#include <unistd.h>
7#include <string.h>
8#include <stdlib.h>
9#include <fcntl.h>
10#include <sys/shm.h>
11
12#define MYPORT 8887
13#define BUFFER_SIZE 1024
14#define DST_IP "10.137.16.6"
15
16int main()
17{
18 ///定义sockfd
19 int sock_cli = socket(AF_INET,SOCK_STREAM, 0);
20
21 ///定义sockaddr_in
22 struct sockaddr_in servaddr;
23 memset(&servaddr, 0, sizeof(servaddr));
24 servaddr.sin_family = AF_INET;
25 servaddr.sin_port = htons(MYPORT); ///服务器端口
26 servaddr.sin_addr.s_addr = inet_addr(DST_IP); ///服务器ip
27
28 ///连接服务器,成功返回0,错误返回-1
29 if (connect(sock_cli, (struct sockaddr *)&servaddr, sizeof(servaddr)) < 0)
30 {
31 perror("connect");
32 exit(1);
33 }
34
35 char sendbuf[BUFFER_SIZE];
36 char recvbuf[BUFFER_SIZE];
37 while (fgets(sendbuf, sizeof(sendbuf), stdin) != NULL)
38 {
39 send(sock_cli, sendbuf, strlen(sendbuf),0); ///发送
40 if(strcmp(sendbuf,"exit\n")==0)
41 break;
42 recv(sock_cli, recvbuf, sizeof(recvbuf),0); ///接收
43 fputs(recvbuf, stdout);
44
45 memset(sendbuf, 0, sizeof(sendbuf));
46 memset(recvbuf, 0, sizeof(recvbuf));
47 }
48
49 close(sock_cli);
50 return 0;
51}
Server:
1#include <sys/types.h>
2#include <sys/socket.h>
3#include <stdio.h>
4#include <netinet/in.h>
5#include <arpa/inet.h>
6#include <unistd.h>
7#include <string.h>
8#include <stdlib.h>
9#include <fcntl.h>
10#include <sys/shm.h>
11
12#define MYPORT 8887
13#define QUEUE 20
14#define BUFFER_SIZE 1024
15
16int main()
17{
18 ///定义sockfd
19 int server_sockfd = socket(AF_INET,SOCK_STREAM, 0);
20
21 ///定义sockaddr_in
22 struct sockaddr_in server_sockaddr;
23 server_sockaddr.sin_family = AF_INET;
24 server_sockaddr.sin_port = htons(MYPORT);
25 server_sockaddr.sin_addr.s_addr = htonl(INADDR_ANY);
26
27 ///bind,成功返回0,出错返回-1
28 if(bind(server_sockfd,(struct sockaddr *)&server_sockaddr,sizeof(server_sockaddr))==-1)
29 {
30 perror("bind");
31 exit(1);
32 }
33
34 ///listen,成功返回0,出错返回-1
35 if(listen(server_sockfd,QUEUE) == -1)
36 {
37 perror("listen");
38 exit(1);
39 }
40
41 ///客户端套接字
42 char buffer[BUFFER_SIZE];
43 struct sockaddr_in client_addr;
44 socklen_t length = sizeof(client_addr);
45
46 ///成功返回非负描述字,出错返回-1
47 int conn = accept(server_sockfd, (struct sockaddr*)&client_addr, &length);
48 if(conn<0)
49 {
50 perror("connect");
51 exit(1);
52 }
53
54 while(1)
55 {
56 memset(buffer,0,sizeof(buffer));
57 int len = recv(conn, buffer, sizeof(buffer),0);
58 if(strcmp(buffer,"exit\n")==0)
59 break;
60 fputs(buffer, stdout);
61 send(conn, buffer, len, 0);
62 }
63 close(conn);
64 close(server_sockfd);
65 return 0;
66}