嵌入式系统基本驱动，对硬件寄存器进行初始化还有给设备分配I/O，申请DMA通道等-Embedded systems the basic drive, to initialize the hardware registers are allocated to the device I/O, applications such as DMA channels
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002322s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.139371s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.005343s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001183s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001063s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003934s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001398s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006884s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.022282s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001594s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 271161 [ RunTime:0.013189s ]
