添加一个新的系统调用，实现一项新的功能，如查找系统中所有进程的名称和族亲关系信息，或文件复制，重新编译和运行内核，使新的系统调用可用。-Add a new system call to achieve a new function, such as the search system in the name of all processes and pro-family relationship information, or documents copied, re-compile and run the kernel, making the new system calls available.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.003888s ]
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:0.102519s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.014636s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001476s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001058s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003277s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000972s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003822s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015219s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001200s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 286873 [ RunTime:0.016740s ]
