尊龙凯时人生就是搏

LinuxÏÂʹÓÃGDBµ÷ÊÔ¶àÏ̳߳ÌÐòµÄ³£¼ûÉèÖÃÒªÁì

linuxÏÂʹÓÃgdbµ÷ÊÔ¶àÏ̳߳ÌÐòµÄ³£¼ûÉèÖÃÒªÁì

СÐò:

ÔÚ¶àÏ̱߳à³ÌÖУ¬µ÷ÊÔÊÇÒ»Ïî±Ø²»¿ÉÉÙµÄÊÂÇé  ¡£GDBÊÇÒ»¸ö¹¦Ð§Ç¿Ê¢µÄµ÷ÊÔÆ÷£¬¿ÉÒÔ×ÊÖúÎÒÃǶ¨Î»Ï¢Õù¾ö¶àÏ̳߳ÌÐòÖзºÆðµÄ¹ýʧ  ¡£±¾ÎĽ«ÏÈÈÝÔÚlinuxÏÂʹÓÃgdbµ÷ÊÔ¶àÏ̳߳ÌÐòµÄ³£¼ûÉèÖÃÒªÁ죬²¢Å䱸´úÂëʾÀý£¬Ï£ÍûÄÜ×ÊÖú¶ÁÕ߸üºÃµØÃ÷È·ºÍÔËÓÃGDB  ¡£

Ò»¡¢×°ÖÃGDB

Ê×ÏÈ£¬ÎÒÃÇÐèÒªÔÚLinuxϵͳÖÐ×°ÖÃGDB  ¡£ÔÚÖÕ¶ËÖÐÊäÈëÒÔÏÂÏÂÁ¼´¿ÉÍê³É×°Öãº

$ sudo apt-get install gdb

µÇ¼ºó¸´ÖÆ

¶þ¡¢±àÒë¶àÏ̳߳ÌÐò

ÔÚ¾ÙÐжàÏ̳߳ÌÐòµÄµ÷ÊÔ֮ǰ£¬ÎÒÃÇÊ×ÏÈÐèÒª±àдºÍ±àÒëÒ»¸ö¼òÆӵĶàÏ̳߳ÌÐò  ¡£ÒÔÏÂÊÇÒ»¸öʾÀý³ÌÐòµÄ´úÂ룺

#include <stdio.h>
#include <pthread.h>

#define NUM_THREADS 5

void* thread_func(void* thread_id) {
    long tid = (long)thread_id;
    printf("Hello World! It's me, thread #%ld!
", tid);
    pthread_exit(NULL);
}

int main() {
    pthread_t threads[NUM_THREADS];
    int rc;
    long t;

    for (t = 0; t < NUM_THREADS; t++) {
        printf("In main: creating thread %ld
", t);
        rc = pthread_create(&threads[t], NULL, thread_func, (void*)t);

        if (rc) {
            printf("ERROR; return code from pthread_create() is %d
", rc);
            return -1;
        }
    }

    pthread_exit(NULL);
}

µÇ¼ºó¸´ÖÆ

ÎÒÃǽ«ÉÏÊö´úÂëÉúÑÄÖÁÒ»¸öÃûΪmultithread.cµÄÎļþÖУ¬²¢Ê¹ÓÃÒÔÏÂÏÂÁî¾ÙÐбàÒ룺

$ gcc -g -pthread -o multithread multithread.c

µÇ¼ºó¸´ÖÆ

ÆäÖУ¬-gÑ¡ÏîÓÃÓÚÔÚ¿ÉÖ´ÐÐÎļþÖмÓÈëµ÷ÊÔÐÅÏ¢£¬-pthreadÑ¡ÏîÔòÓÃÓÚÒýÈë¶àÏ߳̿â  ¡£

Èý¡¢Æô¶¯GDBµ÷ÊÔ

Íê³É±àÒëÖ®ºó£¬ÎÒÃÇ¿ÉÒÔʹÓÃGDBÆô¶¯µ÷ÊÔ  ¡£ÔÚÖÕ¶ËÖÐÊäÈëÒÔÏÂÏÂÁ

$ gdb multithread

µÇ¼ºó¸´ÖÆ

ËÄ¡¢ÉèÖÃGDBµ÷ÊÔÑ¡Ïî

ÔÚGDBÖУ¬ÓÐһЩµ÷ÊÔÑ¡Ïî¿ÉÒÔ×ÊÖúÎÒÃǸüºÃµØµ÷ÊÔ¶àÏ̳߳ÌÐò  ¡£ÎÒÃÇ¿ÉÒÔͨ¹ýÊäÈëÒÔÏÂÏÂÁî¾ÙÐÐÉèÖãº

ÉèÖÃÏÔʾÏ̺߳Å

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔÉèÖÃÏÔʾÏ̺߳ţº

(gdb) set print thread-events off

µÇ¼ºó¸´ÖÆ

ÉèÖÃÏÔʾ¿ÍÕ»

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔÉèÖÃÏÔʾ¿ÍÕ»£º

(gdb) set backtrace limit 10

µÇ¼ºó¸´ÖÆ

ÉèÖÃÏÔʾÏß³ÌÐÅÏ¢

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔÉèÖÃÏÔʾÏß³ÌÐÅÏ¢£º

(gdb) show scheduling 

µÇ¼ºó¸´ÖÆ

ÉèÖÃÏÔʾÏß³ÌÖ´ÐеĴúÂëλÖÃ

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔÉèÖÃÏÔʾÏß³ÌÖ´ÐеĴúÂëλÖãº

(gdb) set scheduler-locking on

µÇ¼ºó¸´ÖÆ

Îå¡¢ÉèÖöϵãºÍ¼àÊÓµã

ÔÚµ÷ÊÔÀú³ÌÖУ¬ÎÒÃÇ¿ÉÒÔÉèÖöϵãºÍ¼àÊÓµãÀ´¿ØÖƳÌÐòµÄÖ´ÐÐÁ÷³Ì  ¡£ÒÔÏÂÊÇһЩ³£ÓõÄÏÂÁîʾÀý£º

ÉèÖöϵã

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔÉèÖöϵ㣺

(gdb) break function_name

µÇ¼ºó¸´ÖÆ

ɾ³ý¶Ïµã

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔɾ³ý¶Ïµã£º

(gdb) delete breakpoints

µÇ¼ºó¸´ÖÆ

ÉèÖüàÊÓµã

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔÉèÖüàÊӵ㣺

(gdb) watch variable_name

µÇ¼ºó¸´ÖÆ

ɾ³ý¼àÊÓµã

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔɾ³ý¼àÊӵ㣺

(gdb) delete watchpoints

µÇ¼ºó¸´ÖÆ

Áù¡¢µ÷ÊÔ¶àÏ̳߳ÌÐò

ÔÚGDBÖУ¬ÎÒÃÇ¿ÉÒÔʹÓÃÒÔÏÂÏÂÁîÀ´µ÷ÊÔ¶àÏ̳߳ÌÐò£º

Æô¶¯³ÌÐò

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔÆô¶¯³ÌÐò£º

(gdb) run

µÇ¼ºó¸´ÖÆ

ÔÝÍ£³ÌÐò

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔÔÝÍ£ÕýÔÚÖ´ÐеijÌÐò£º

(gdb) Ctrl+C

µÇ¼ºó¸´ÖÆ

ÁгöËùÓÐÏß³Ì

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔÁгöËùÓÐỊ̈߳º

(gdb) info threads

µÇ¼ºó¸´ÖÆ

Çл»µ½Ö¸¶¨Ïß³Ì

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔÇл»µ½Ö¸¶¨Ị̈߳º

(gdb) thread thread_id

µÇ¼ºó¸´ÖÆ

¼ÌÐøÖ´ÐгÌÐò

ÔÚGDBÖÐÊäÈëÒÔÏÂÏÂÁ¿ÉÒÔ¼ÌÐøÖ´ÐгÌÐò£º

(gdb) continue

µÇ¼ºó¸´ÖÆ

Æß¡¢×ܽá

±¾ÎÄÏÈÈÝÁËÔÚlinuxÏÂʹÓÃgdbµ÷ÊÔ¶àÏ̳߳ÌÐòµÄ³£¼ûÉèÖÃÒªÁ죬²¢Å䱸ÁË´úÂëʾÀý  ¡£Í¨¹ýºÏÀíµÄÉèÖõ÷ÊÔÑ¡ÏîºÍʹÓÃÏìÓ¦µÄÏÂÁÎÒÃÇ¿ÉÒԺܺõؿØÖƺͶ¨Î»¶àÏ̳߳ÌÐòÖеÄÎÊÌ⣬Ìá¸ßµ÷ÊÔЧÂʺÍ׼ȷÐÔ  ¡£Ï£Íû±¾ÎÄÄܹ»¶Ô¶ÁÕßÔÚ¶àÏ̵߳÷ÊÔ·½ÃæÌṩ×ÊÖú£¬²¢Òý·¢¸ü¶àµÄѧϰºÍʵ¼ù  ¡£

ÒÔÉϾÍÊÇLinuxÏÂʹÓÃGDBµ÷ÊÔ¶àÏ̳߳ÌÐòµÄ³£¼ûÉèÖÃÒªÁìµÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí£¬°æȨÕùÒéÓë±¾Õ¾Î޹أ¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í尊龙凯时人生就是搏ÂËÓÍ»úÍø¹Ù·½Á¢³  ¡£¬Çë¶ÁÕß½ö×ö²Î¿¼  ¡£±¾ÎĽӴýתÔØ£¬×ªÔØÇë˵Ã÷À´ÓÉ  ¡£ÈôÄúÒÔΪ±¾ÎÄÇÖÕ¼ÁËÄúµÄ°æȨÐÅÏ¢£¬»òÄú·¢Ã÷¸ÃÄÚÈÝÓÐÈκÎÉæ¼°ÓÐÎ¥¹«µÂ¡¢Ã°·¸Ö´·¨µÈÎ¥·¨ÐÅÏ¢£¬ÇëÄúÁ¬Ã¦ÁªÏµ尊龙凯时人生就是搏ʵʱÐÞÕý»òɾ³ý  ¡£

Ïà¹ØÐÂÎÅ

ÁªÏµ尊龙凯时人生就是搏

18523999891

¿É΢ÐÅÔÚÏß×Éѯ

ÊÂÇéʱ¼ä£ºÖÜÒ»ÖÁÖÜÎ壬9:30-18:30£¬½ÚãåÈÕÐÝÏ¢

QR code
sitemap¡¢ÍøÕ¾µØͼ