mirror of
https://github.com/fluencelabs/redis
synced 2025-03-17 16:10:50 +00:00
store static function pointer for a useful stack trace
This commit is contained in:
parent
fe3bbfbe16
commit
de96dbfedf
126
redis.c
126
redis.c
@ -273,6 +273,11 @@ struct redisCommand {
|
||||
int flags;
|
||||
};
|
||||
|
||||
struct redisFunctionSym {
|
||||
char *name;
|
||||
long pointer;
|
||||
};
|
||||
|
||||
typedef struct _redisSortObject {
|
||||
robj *obj;
|
||||
union {
|
||||
@ -320,6 +325,7 @@ static time_t getExpire(redisDb *db, robj *key);
|
||||
static int setExpire(redisDb *db, robj *key, time_t when);
|
||||
static void updateSalvesWaitingBgsave(int bgsaveerr);
|
||||
static void freeMemoryIfNeeded(void);
|
||||
static int processCommand(redisClient *c);
|
||||
|
||||
static void authCommand(redisClient *c);
|
||||
static void pingCommand(redisClient *c);
|
||||
@ -444,7 +450,91 @@ static struct redisCommand cmdTable[] = {
|
||||
{"debug",debugCommand,-2,REDIS_CMD_INLINE},
|
||||
{NULL,NULL,0,0}
|
||||
};
|
||||
|
||||
static struct redisFunctionSym symsTable[] = {
|
||||
{"freeStringObject", (long)freeStringObject},
|
||||
{"freeListObject", (long)freeListObject},
|
||||
{"freeSetObject", (long)freeSetObject},
|
||||
{"decrRefCount", (long)decrRefCount},
|
||||
{"createObject", (long)createObject},
|
||||
{"freeClient", (long)freeClient},
|
||||
{"rdbLoad", (long)rdbLoad},
|
||||
{"addReply", (long)addReply},
|
||||
{"addReplySds", (long)addReplySds},
|
||||
{"incrRefCount", (long)incrRefCount},
|
||||
{"rdbSaveBackground", (long)rdbSaveBackground},
|
||||
{"createStringObject", (long)createStringObject},
|
||||
{"replicationFeedSlaves", (long)replicationFeedSlaves},
|
||||
{"syncWithMaster", (long)syncWithMaster},
|
||||
{"tryObjectSharing", (long)tryObjectSharing},
|
||||
{"removeExpire", (long)removeExpire},
|
||||
{"expireIfNeeded", (long)expireIfNeeded},
|
||||
{"deleteIfVolatile", (long)deleteIfVolatile},
|
||||
{"deleteKey", (long)deleteKey},
|
||||
{"getExpire", (long)getExpire},
|
||||
{"setExpire", (long)setExpire},
|
||||
{"updateSalvesWaitingBgsave", (long)updateSalvesWaitingBgsave},
|
||||
{"freeMemoryIfNeeded", (long)freeMemoryIfNeeded},
|
||||
{"authCommand", (long)authCommand},
|
||||
{"pingCommand", (long)pingCommand},
|
||||
{"echoCommand", (long)echoCommand},
|
||||
{"setCommand", (long)setCommand},
|
||||
{"setnxCommand", (long)setnxCommand},
|
||||
{"getCommand", (long)getCommand},
|
||||
{"delCommand", (long)delCommand},
|
||||
{"existsCommand", (long)existsCommand},
|
||||
{"incrCommand", (long)incrCommand},
|
||||
{"decrCommand", (long)decrCommand},
|
||||
{"incrbyCommand", (long)incrbyCommand},
|
||||
{"decrbyCommand", (long)decrbyCommand},
|
||||
{"selectCommand", (long)selectCommand},
|
||||
{"randomkeyCommand", (long)randomkeyCommand},
|
||||
{"keysCommand", (long)keysCommand},
|
||||
{"dbsizeCommand", (long)dbsizeCommand},
|
||||
{"lastsaveCommand", (long)lastsaveCommand},
|
||||
{"saveCommand", (long)saveCommand},
|
||||
{"bgsaveCommand", (long)bgsaveCommand},
|
||||
{"shutdownCommand", (long)shutdownCommand},
|
||||
{"moveCommand", (long)moveCommand},
|
||||
{"renameCommand", (long)renameCommand},
|
||||
{"renamenxCommand", (long)renamenxCommand},
|
||||
{"lpushCommand", (long)lpushCommand},
|
||||
{"rpushCommand", (long)rpushCommand},
|
||||
{"lpopCommand", (long)lpopCommand},
|
||||
{"rpopCommand", (long)rpopCommand},
|
||||
{"llenCommand", (long)llenCommand},
|
||||
{"lindexCommand", (long)lindexCommand},
|
||||
{"lrangeCommand", (long)lrangeCommand},
|
||||
{"ltrimCommand", (long)ltrimCommand},
|
||||
{"typeCommand", (long)typeCommand},
|
||||
{"lsetCommand", (long)lsetCommand},
|
||||
{"saddCommand", (long)saddCommand},
|
||||
{"sremCommand", (long)sremCommand},
|
||||
{"smoveCommand", (long)smoveCommand},
|
||||
{"sismemberCommand", (long)sismemberCommand},
|
||||
{"scardCommand", (long)scardCommand},
|
||||
{"sinterCommand", (long)sinterCommand},
|
||||
{"sinterstoreCommand", (long)sinterstoreCommand},
|
||||
{"sunionCommand", (long)sunionCommand},
|
||||
{"sunionstoreCommand", (long)sunionstoreCommand},
|
||||
{"sdiffCommand", (long)sdiffCommand},
|
||||
{"sdiffstoreCommand", (long)sdiffstoreCommand},
|
||||
{"syncCommand", (long)syncCommand},
|
||||
{"flushdbCommand", (long)flushdbCommand},
|
||||
{"flushallCommand", (long)flushallCommand},
|
||||
{"sortCommand", (long)sortCommand},
|
||||
{"lremCommand", (long)lremCommand},
|
||||
{"infoCommand", (long)infoCommand},
|
||||
{"mgetCommand", (long)mgetCommand},
|
||||
{"monitorCommand", (long)monitorCommand},
|
||||
{"expireCommand", (long)expireCommand},
|
||||
{"getSetCommand", (long)getSetCommand},
|
||||
{"ttlCommand", (long)ttlCommand},
|
||||
{"slaveofCommand", (long)slaveofCommand},
|
||||
{"debugCommand", (long)debugCommand},
|
||||
{"processCommand", (long)processCommand},
|
||||
{"setupSigSegvAction", (long)setupSigSegvAction},
|
||||
{NULL,0}
|
||||
};
|
||||
/*============================ Utility functions ============================ */
|
||||
|
||||
/* Glob-style pattern matching. */
|
||||
@ -4080,12 +4170,30 @@ static void debugCommand(redisClient *c) {
|
||||
"-ERR Syntax error, try DEBUG [SEGFAULT|OBJECT <key>]\r\n"));
|
||||
}
|
||||
}
|
||||
char *findFuncName(void *pointer, long *offset){
|
||||
int i, ret=-1;
|
||||
long val, off;
|
||||
for(i=0; symsTable[i].pointer!=0; i++){
|
||||
val=(long)pointer-symsTable[i].pointer;
|
||||
if(val>=0 && (off<0 || val <= off)){
|
||||
off=val;
|
||||
ret=i;
|
||||
}
|
||||
}
|
||||
if(ret<0)
|
||||
*offset=0;
|
||||
else
|
||||
*offset=off;
|
||||
return ret>=0?symsTable[ret].name:"unknown";
|
||||
}
|
||||
|
||||
static void segvHandler (int sig, siginfo_t *info, void *secret) {
|
||||
|
||||
void *trace[100];
|
||||
char **messages = (char **)NULL;
|
||||
char *tmp;
|
||||
int i, trace_size = 0;
|
||||
long offset=0;
|
||||
ucontext_t *uc = (ucontext_t *)secret;
|
||||
|
||||
redisLog(REDIS_DEBUG, "Segmentation fault -%d- Redis %s", sig, REDIS_VERSION );
|
||||
@ -4094,13 +4202,23 @@ static void segvHandler (int sig, siginfo_t *info, void *secret) {
|
||||
|
||||
|
||||
trace_size = backtrace(trace, 100);
|
||||
/* overwrite sigaction with caller's address */
|
||||
char pointer[trace_size][11];
|
||||
/* overwrite sigaction with caller's address */
|
||||
trace[1] = (void *) uc->uc_mcontext.gregs[REG_EIP];
|
||||
for (i=1; i<trace_size; ++i)
|
||||
snprintf(pointer[i],11,"[%p]", trace[i]);
|
||||
|
||||
messages = backtrace_symbols(trace, trace_size);
|
||||
|
||||
for (i=1; i<trace_size; ++i)
|
||||
redisLog(REDIS_DEBUG,"[bt] %s", messages[i]);
|
||||
for (i=1; i<trace_size; ++i){
|
||||
tmp=strstr(messages[i],pointer[i]);
|
||||
if((tmp-2)[0]!=')'){
|
||||
char *a=findFuncName(trace[i], &offset);
|
||||
redisLog(REDIS_DEBUG,"[bt] (%s+%x) %s", a, (unsigned int)offset, tmp);
|
||||
}
|
||||
else
|
||||
redisLog(REDIS_DEBUG,"[bt] %s", messages[i]);
|
||||
}
|
||||
|
||||
free(messages);
|
||||
exit(0);
|
||||
|
Loading…
x
Reference in New Issue
Block a user