×ðÁú¿­Ê±

ÔõÑùÓÅ»¯ºÍµ÷½âLinuxϵͳµÄCPUʹÓÃÂÊ

ÔõÑùÓÅ»¯ºÍµ÷½âlinuxϵͳµÄcpuʹÓÃÂÊ

ͻ񻣼

±¾ÎĽ«ÏÈÈÝÔõÑùÓÅ»¯ºÍµ÷½âlinuxϵͳµÄcpuʹÓÃÂÊ¡£Ê×ÏÈ £¬ÎÒÃǽ«ÌÖÂÛÔõÑù¼à¿ØºÍʶ±ðCPUʹÓÃÂʹý¸ßµÄÎÊÌ⡣Ȼºó £¬ÎÒÃǽ«ÏÈÈÝһЩ³£¼ûµÄÓÅ»¯ÒªÁì £¬°üÀ¨½µµÍϵͳ¸ºÔغ͵÷½âCPUµ÷ÀíÕ½ÂÔ¡£×îºó £¬ÎÒÃǽ«Ì½ÌÖÔõÑùʹÓÃÐÔÄܵ÷ÓŹ¤¾ß¾ÙÐиüÉîÈëµÄCPUÐÔÄܵ÷ÓÅ¡£

Ò»¡¢¼à¿ØºÍʶ±ðCPUʹÓÃÂʹý¸ßµÄÎÊÌâ

Ê×ÏÈ £¬ÎÒÃÇÐèÒªÕÒ³öϵͳÖÐÄÄЩÀú³ÌÕ¼ÓÃÁ˹ý¸ßµÄCPU×ÊÔ´¡£¿ÉÒÔʹÓÃһЩϵͳ¹¤¾ßÈçtop¡¢htop»òpsÏÂÁîÀ´¼à¿Ø CPU ʹÓÃÂÊ¡£ÔÚtop»òhtopÖÐ £¬¿ÉÒÔ°´ÏÂshift+PÀ´Æ¾Ö¤CPUʹÓÃÂÊÅÅÐòÀú³Ì¡£Ê¹ÓÃpsÏÂÁîÒ²¿ÉÒÔÉó²éÀú³ÌµÄCPUʹÓÃÂÊ¡£Í¨¹ýÕâЩ¹¤¾ß £¬ÎÒÃÇÄܹ»¿ìËÙ¶¨Î»Õ¼ÓÃCPU×ÊÔ´¹ý¸ßµÄÀú³Ì¡£

¶þ¡¢½µµÍϵͳ¸ºÔØ

½µµÍϵͳ¸ºÔØÊǽµµÍCPUʹÓÃÂʵÄÓÐÓÃÒªÁìÖ®Ò»¡£¿ÉÒÔͨ¹ýÒÔϼ¸ÖÖÒªÁìÀ´ÊµÏÖ£º

¹Ø±Õ²»ÐëÒªµÄЧÀͺÍÀú³Ì£ºÔÚLinuxϵͳÖÐ £¬ÓÐЩЧÀͺÍÀú³ÌÊÇĬÈÏ¿ªÆôµÄ £¬µ«¿ÉÄܲ¢²»ÊÇËùÓеĶ¼ÊDZØÐèµÄ¡£Í¨¹ý¹Ø±Õ²»ÐëÒªµÄЧÀͺÍÀú³Ì £¬¿ÉÒÔÊÍ·Å×ÅÃû¹óµÄCPU×ÊÔ´¡£

ÓÅ»¯´úÂëºÍËã·¨£ºÈôÊÇÄãÊÇ¿ª·¢Õß £¬½«¾«Éñ·ÅÔÚ´úÂëºÍËã·¨µÄÓÅ»¯ÉÏÒ²»á¶ÔCPUʹÓÃÂʱ¬·¢Æð¾¢µÄÓ°Ïì¡£

ÊèÉ¢¸ºÔØ£º½«¸ºÔØÊèÉ¢µ½¶à¸öЧÀÍÆ÷»òÐéÄâ»úÉÏ £¬¿ÉÒÔ¼õÇáµ¥¸öЧÀÍÆ÷µÄCPU¸ºÔØ¡£

Èý¡¢µ÷½âCPUµ÷ÀíÕ½ÂÔ

LinuxϵͳĬÈÏʹÓõĵ÷ÀíÆ÷ÊÇCFS£¨Completely Fair Scheduler£© £¬ËüÈ·±£Ã¿¸öÀú³ÌÔÚÒ»¶Îʱ¼äÄÚ»ñµÃ¹«ÕýµÄCPUʱ¼ä¡£¿ÉÊÇ £¬ÔÚijЩÇéÐÎÏ £¬ÎÒÃÇ¿ÉÄÜÐèÒªµ÷½âCPUµ÷ÀíÕ½ÂÔÒÔÌá¸ßÌض¨Ó¦ÓóÌÐòµÄÐÔÄÜ¡£ÒÔÏÂÊÇһЩµ÷½âCPUµ÷ÀíÕ½ÂÔµÄÒªÁ죺

ΪÖ÷ÒªÀú³ÌÉèÖÃʵʱÓÅÏȼ¶£ºÊ¹ÓÃnice»òreniceÏÂÁî¿ÉÒÔΪÀú³ÌÉèÖòî±ðµÄʵʱÓÅÏȼ¶ £¬ÒÔÈ·±£Ö÷ÒªÀú³ÌÄܹ»»ñµÃ¸ü¶àµÄCPUʱ¼ä¡£

Ñ¡ÔñºÏÊʵĵ÷ÀíÆ÷£ºLinuxϵͳÓжàÖÖµ÷ÀíÆ÷¿É¹©Ñ¡Ôñ £¬Èçdeadline¡¢cfqºÍnoopµÈ¡£Æ¾Ö¤²î±ðµÄÓ¦Óó¡¾°ºÍÐèÇóÑ¡ÔñºÏÊʵĵ÷ÀíÆ÷ £¬¿ÉÒÔÌá¸ßCPUµÄÐÔÄÜ¡£

ËÄ¡¢Ê¹ÓÃÐÔÄܵ÷ÓŹ¤¾ß

ÔÚÓÅ»¯ºÍµ÷½âLinuxϵͳµÄCPUʹÓÃÂÊʱ £¬Ê¹ÓÃÐÔÄܵ÷ÓŹ¤¾ß¿ÉÒÔÌṩ¸üÉîÈëºÍÏêϸµÄÐÅÏ¢¡£ÏÂÃæÊÇһЩ³£ÓõÄÐÔÄܵ÷ÓŹ¤¾ß£º

perf£ºÒ»¸öÇ¿Ê¢µÄÐÔÄÜÆÊÎö¹¤¾ß £¬¿ÉÒÔÓÃÓÚ¼ì²âCPUʹÓÃÂÊ¡¢º¯ÊýŲÓÃÁ´¡¢»º´æÖÀÖÐÂʵÈ¡£

sysstat£ºÒ»¸öϵͳÐÔÄÜÊý¾ÝÍøÂ繤¾ß £¬¿ÉÒÔ¼à¿ØCPUʹÓÃÂÊ¡¢ÄÚ´æʹÓÃÇéÐΡ¢I/O¸ºÔصÈ¡£

dstat£ºÒ»¸öʵʱϵͳ¼à¿Ø¹¤¾ß £¬¿ÉÒÔÌṩ¹ØÓÚCPUʹÓÃÂÊ¡¢ÄÚ´æ¡¢´ÅÅÌ¡¢ÍøÂçµÈ·½ÃæµÄÐÅÏ¢¡£

½áÂÛ£º

ÓÅ»¯ºÍµ÷½âLinuxϵͳµÄCPUʹÓÃÂÊÊÇÈ·±£ÏµÍ³¸ßЧÔËÐеÄÒªº¦¡£Í¨¹ý¼à¿ØºÍʶ±ð¸ßCPUʹÓÃÂʵÄÀú³Ì £¬½µµÍϵͳ¸ºÔØ £¬µ÷½âCPUµ÷ÀíÕ½ÂÔÒÔ¼°Ê¹ÓÃÐÔÄܵ÷ÓŹ¤¾ß £¬¿ÉÒÔÌá¸ßϵͳµÄÕûÌåÐÔÄܺÍÎȹÌÐÔ¡£Ï£Íû±¾ÎĶÔÄúÓÅ»¯ºÍµ÷½âLinuxϵͳµÄCPUʹÓÃÂÊÓÐËù×ÊÖú¡£

ÒÔÉϾÍÊÇÔõÑùÓÅ»¯ºÍµ÷½âLinuxϵͳµÄCPUʹÓÃÂʵÄÏêϸÄÚÈÝ £¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí £¬°æȨÕùÒéÓë±¾Õ¾ÎÞ¹Ø £¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í×ðÁú¿­Ê±ÂËÓÍ»úÍø¹Ù·½Ì¬¶È £¬Çë¶ÁÕß½ö×ö²Î¿¼¡£±¾ÎĽӴýתÔØ £¬×ªÔØÇë˵Ã÷À´ÓÉ¡£ÈôÄúÒÔΪ±¾ÎÄÇÖÕ¼ÁËÄúµÄ°æȨÐÅÏ¢ £¬»òÄú·¢Ã÷¸ÃÄÚÈÝÓÐÈκÎÉæ¼°ÓÐÎ¥¹«µÂ¡¢Ã°·¸Ö´·¨µÈÎ¥·¨ÐÅÏ¢ £¬ÇëÄúÁ¬Ã¦ÁªÏµ×ðÁú¿­Ê±ÊµÊ±ÐÞÕý»òɾ³ý¡£

Ïà¹ØÐÂÎÅ

ÁªÏµ×ðÁú¿­Ê±

13452372176

¿É΢ÐÅÔÚÏß×Éѯ

ÊÂÇéʱ¼ä£ºÖÜÒ»ÖÁÖÜÎå £¬9:30-18:30 £¬½ÚãåÈÕÐÝÏ¢

QR code
¡¾ÍøÕ¾µØͼ¡¿¡¾sitemap¡¿