题意: Ignatius and the Princess I Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 18410 Accepted Submission(s): 5929Special Judge http://acm.hdu.edu.cn/showproblem.php?pid=1026 大意 :图大小n*m,从(0,0
在头文件"execinfo.h"中声明了三个函数用于获取当前线程的函数调用堆栈. #include <execinfo.h> int backtrace(void **buffer, int size); char **backtrace_symbols(void *const *buffer, int size); void backtrace_symbols_fd(void *const *buffer, int size, int fd); man 帮助: DE
今天在按键驱动中增加printk(KERN_INFO "gpio_keys_gpio_isr()\n");在驱动加载阶段可以输出调试信息,但驱动加载起来后的信息,在串口端看不到输出信息 在kernel/ /* We show everything that is MORE important than this.. */ #define MINIMUM_CONSOLE_LOGLEVEL 1 /* Minimum loglevel we let people use */ #define