gdb nginx

nginx源码还是仔细读吧，使用gdb长期跟踪，笔记放在这

[root@localhost ~]# ps -ef|grep nginx
root     20738     1  0 Apr29 ?        00:00:00 nginx: master process ./nginx
nobody   20739 20738  0 Apr29 ?        00:00:00 nginx: worker process
gdb
attach 20738  主
l
bt
#0  0x00803416 in __kernel_vsyscall ()
#1  0x4c74dd47 in do_sigsuspend (set=0xbfaa5fe8) at ../sysdeps/unix/sysv/linux/sigsuspend.c:63
#2  __GI___sigsuspend (set=0xbfaa5fe8) at ../sysdeps/unix/sysv/linux/sigsuspend.c:74
#3  0x0806e887 in ngx_master_process_cycle ()
#4  0x0804a76d in main ()
[root@localhost nginx-1.3.0]# cd src/
[root@localhost src]# ls
core  event  http  mail  misc  os
[root@localhost src]# grep -R "ngx_master_process_cycle" *
core/nginx.c:        ngx_master_process_cycle(cycle);
os/unix/ngx_process_cycle.c:ngx_master_process_cycle(ngx_cycle_t *cycle)
os/unix/ngx_process_cycle.h:void ngx_master_process_cycle(ngx_cycle_t *cycle);
[root@localhost src]# 
root@localhost src]# grep -nR "main(" *
core/nginx.c:200:main(int argc, char *const *argv)

vim 配置
ctags -R -f ~/nginxtags /root/nginx-1.3.0/ /usr/include/ /usr/src


gdb参考http://oss.org.cn/ossdocs/gnu/linux/gdb.html