Use sdscatfmt() in getClientInfoString() to make it faster.

src/networking.c

@@ -1258,23 +1258,23 @@ sds getClientInfoString(redisClient *client) {
     if (emask & AE_READABLE) *p++ = 'r';
     if (emask & AE_WRITABLE) *p++ = 'w';
     *p = '\0';
-    return sdscatprintf(sdsempty(),
-        "addr=%s fd=%d name=%s age=%ld idle=%ld flags=%s db=%d sub=%d psub=%d multi=%d qbuf=%lu qbuf-free=%lu obl=%lu oll=%lu omem=%lu events=%s cmd=%s",
+    return sdscatfmt(sdsempty(),
+        "addr=%s fd=%i name=%s age=%I idle=%I flags=%s db=%i sub=%i psub=%i multi=%i qbuf=%U qbuf-free=%U obl=%U oll=%U omem=%U events=%s cmd=%s",
         peerid,
         client->fd,
         client->name ? (char*)client->name->ptr : "",
-        (long)(server.unixtime - client->ctime),
-        (long)(server.unixtime - client->lastinteraction),
+        (long long)(server.unixtime - client->ctime),
+        (long long)(server.unixtime - client->lastinteraction),
         flags,
         client->db->id,
         (int) dictSize(client->pubsub_channels),
         (int) listLength(client->pubsub_patterns),
         (client->flags & REDIS_MULTI) ? client->mstate.count : -1,
-        (unsigned long) sdslen(client->querybuf),
-        (unsigned long) sdsavail(client->querybuf),
-        (unsigned long) client->bufpos,
-        (unsigned long) listLength(client->reply),
-        getClientOutputBufferMemoryUsage(client),
+        (unsigned long long) sdslen(client->querybuf),
+        (unsigned long long) sdsavail(client->querybuf),
+        (unsigned long long) client->bufpos,
+        (unsigned long long) listLength(client->reply),
+        (unsigned long long) getClientOutputBufferMemoryUsage(client),
         events,
         client->lastcmd ? client->lastcmd->name : "NULL");
 }

src/sds.h

@@ -76,6 +76,7 @@ sds sdscatprintf(sds s, const char *fmt, ...)
 sds sdscatprintf(sds s, const char *fmt, ...);
 #endif
 
+sds sdscatfmt(sds s, char const *fmt, ...);
 sds sdstrim(sds s, const char *cset);
 void sdsrange(sds s, int start, int end);
 void sdsupdatelen(sds s);