获取CPU信息的类，封装比较完善，获取信息比较全面，包括频率，二级缓冲等。-CPU access to information categories, a fairly complete package, access to information more comprehensive, including the frequency, such as the secondary buffer.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001243s ]
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:0.106694s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001141s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001925s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001152s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003635s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001003s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003232s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014792s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001233s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 201531 [ RunTime:0.001360s ]
