{"id":16291,"date":"2024-11-18T16:02:01","date_gmt":"2024-11-18T08:02:01","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16291\/"},"modified":"2024-11-18T16:02:01","modified_gmt":"2024-11-18T08:02:01","slug":"linux%e4%b8%8b%e7%9a%84%e8%bd%af%e4%b8%ad%e6%96%ad%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16291\/","title":{"rendered":"linux\u4e0b\u7684\u8f6f\u4e2d\u65ad\u6709\u54ea\u4e9b"},"content":{"rendered":"

\n linux\u4e0b\u7684\u8f6f\u4e2d\u65ad\u662f\u4e00\u79cd\u673a\u5236\uff0c\u7528\u4e8e\u5904\u7406\u4e00\u4e9b\u9ad8\u4f18\u5148\u7ea7\u7684\u4efb\u52a1\uff0c\u5e38\u89c1\u8f6f\u4e2d\u65ad\u6709\uff1a1\u3001tasklet_softirq\uff0c\u7528\u4e8e\u5904\u7406\u8f7b\u91cf\u7ea7\u7684\u4efb\u52a1\uff1b2\u3001hi_softirq\uff0c\u7528\u4e8e\u5904\u7406\u9ad8\u4f18\u5148\u7ea7\u7684\u4efb\u52a1\uff1b3\u3001timer_softirq\uff0c\u7528\u4e8e\u5904\u7406\u5b9a\u65f6\u5668\u4e2d\u65ad\uff1b4\u3001net_tx_softirq\u548cnet_rx_softirq\uff0c\u5206\u522b\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u7f51\u7edc\u6570\u636e\u5305\uff1b5\u3001block_softirq\uff0c\u7528\u4e8e\u5757\u8bbe\u5907\u7684i\/o\u3002\n<\/p><\/blockquote>\n

\"linux\u4e0b\u7684\u8f6f\u4e2d\u65ad\u6709\u54ea\u4e9b\u63d2\u56fe\"<\/p>\n

\u672c\u6559\u7a0b\u64cd\u4f5c\u7cfb\u7edf\uff1aLinux5.18.14\u7cfb\u7edf\u3001Dell G3\u7535\u8111\u3002<\/p>\n

\u5728Linux\u5185\u6838\u4e2d\uff0c\u8f6f\u4e2d\u65ad\uff08Softirq\uff09\u662f\u4e00\u79cd\u673a\u5236\uff0c\u7528\u4e8e\u5904\u7406\u4e00\u4e9b\u9ad8\u4f18\u5148\u7ea7\u7684\u4efb\u52a1\uff0c\u4f8b\u5982\u7f51\u7edc\u6570\u636e\u5305\u7684\u5904\u7406\u3001\u5b9a\u65f6\u5668\u5904\u7406\u548c\u5ef6\u8fdf\u5de5\u4f5c\u961f\u5217\u7684\u6267\u884c\u3002<\/p>\n

\u8f6f\u4e2d\u65ad\u5728Linux\u4e2d\u7684\u5b9e\u73b0\u662f\u901a\u8fc7\u8f6f\u4e2d\u65ad\u5904\u7406\u7a0b\u5e8f\uff08softirq handler\uff09\u6765\u5b8c\u6210\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684Linux\u8f6f\u4e2d\u65ad\uff1a<\/p>\n

    \n
  1. \n

    TASKLET_SOFTIRQ\uff1a\u7528\u4e8e\u5904\u7406\u8f7b\u91cf\u7ea7\u7684\u4efb\u52a1\uff0c\u901a\u8fc7tasklet\u673a\u5236\u5b9e\u73b0\u3002<\/p>\n<\/li>\n

  2. \n

    HI_SOFTIRQ\uff1a\u7528\u4e8e\u5904\u7406\u9ad8\u4f18\u5148\u7ea7\u7684\u4efb\u52a1\uff0c\u4f8b\u5982\u7f51\u7edc\u6570\u636e\u5305\u7684\u63a5\u6536\u548c\u5904\u7406\u3002<\/p>\n<\/li>\n

  3. \n

    TIMER_SOFTIRQ\uff1a\u7528\u4e8e\u5904\u7406\u5b9a\u65f6\u5668\u4e2d\u65ad\uff0c\u4f8b\u5982\u5468\u671f\u6027\u7684\u7cfb\u7edf\u5b9a\u65f6\u5668\u3002<\/p>\n<\/li>\n

  4. \n

    NET_TX_SOFTIRQ \u548c NET_RX_SOFTIRQ\uff1a\u5206\u522b\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u7f51\u7edc\u6570\u636e\u5305\u3002<\/p>\n<\/li>\n

  5. \n

    BLOCK_SOFTIRQ\uff1a\u7528\u4e8e\u5757\u8bbe\u5907\u7684I\/O\u64cd\u4f5c\u3002<\/p>\n

    \u8fd9\u4e9b\u8f6f\u4e2d\u65ad\u4f1a\u5728\u5185\u6838\u8fd0\u884c\u671f\u95f4\u88ab\u89e6\u53d1\u548c\u5904\u7406\uff0c\u4ee5\u786e\u4fdd\u9ad8\u4f18\u5148\u7ea7\u4efb\u52a1\u80fd\u591f\u53ca\u65f6\u5f97\u5230\u6267\u884c\u3002\u6bcf\u4e2a\u8f6f\u4e2d\u65ad\u90fd\u6709\u76f8\u5e94\u7684\u8f6f\u4e2d\u65ad\u5904\u7406\u7a0b\u5e8f\uff0c\u5904\u7406\u7a0b\u5e8f\u4f1a\u5728\u9002\u5f53\u7684\u65f6\u673a\u6267\u884c\uff0c\u5e76\u6839\u636e\u7279\u5b9a\u7684\u4efb\u52a1\u9700\u6c42\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u64cd\u4f5c\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u4ee5\u4e0a\u5c31\u662f\u4e0b\u7684\u8f6f\u4e2d\u65ad\u6709\u54ea\u4e9b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

    linux\u4e0b\u7684\u8f6f\u4e2d\u65ad\u662f\u4e00\u79cd\u673a\u5236\uff0c\u7528\u4e8e\u5904\u7406\u4e00\u4e9b\u9ad8\u4f18\u5148\u7ea7\u7684\u4efb\u52a1\uff0c\u5e38\u89c1\u8f6f\u4e2d\u65ad\u6709\uff1a1\u3001tasklet_softirq\uff0c\u7528\u4e8e\u5904\u7406\u8f7b\u91cf\u7ea7\u7684\u4efb\u52a1\uff1b2\u3001hi_softirq\uff0c\u7528\u4e8e\u5904\u7406\u9ad8\u4f18\u5148\u7ea7\u7684\u4efb\u52a1\uff1b3\u3001timer_softirq\uff0c\u7528\u4e8e\u5904\u7406\u5b9a\u65f6\u5668\u4e2d\u65ad\uff1b4\u3001net_tx_softirq\u548cnet_rx_softirq\uff0c\u5206\u522b\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u7f51\u7edc\u6570\u636e\u5305\uff1b5\u3001block_softirq\uff0c\u7528\u4e8e\u5757\u8bbe\u5907\u7684i\/o\u3002 \u672c\u6559\u7a0b\u64cd\u4f5c\u7cfb\u7edf\uff1aLinux5.18.14\u7cfb\u7edf\u3001Dell G3\u7535\u8111\u3002 \u5728Linux\u5185\u6838\u4e2d\uff0c\u8f6f\u4e2d\u65ad\uff08Softirq\uff09\u662f\u4e00\u79cd\u673a\u5236\uff0c\u7528\u4e8e\u5904\u7406\u4e00\u4e9b\u9ad8\u4f18\u5148\u7ea7\u7684\u4efb\u52a1\uff0c\u4f8b\u5982\u7f51\u7edc\u6570\u636e\u5305\u7684\u5904\u7406\u3001\u5b9a\u65f6\u5668\u5904\u7406\u548c\u5ef6\u8fdf\u5de5\u4f5c\u961f\u5217\u7684\u6267\u884c\u3002 \u8f6f\u4e2d\u65ad\u5728Linux\u4e2d\u7684\u5b9e\u73b0\u662f\u901a\u8fc7\u8f6f\u4e2d\u65ad\u5904\u7406\u7a0b\u5e8f\uff08softirq handler\uff09\u6765\u5b8c\u6210\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684Linux\u8f6f\u4e2d\u65ad\uff1a TASKLET_SOFTIRQ\uff1a\u7528\u4e8e\u5904\u7406\u8f7b\u91cf\u7ea7\u7684\u4efb\u52a1\uff0c\u901a\u8fc7tasklet\u673a\u5236\u5b9e\u73b0\u3002 HI_SOFTIRQ\uff1a\u7528\u4e8e\u5904\u7406\u9ad8\u4f18\u5148\u7ea7\u7684\u4efb\u52a1\uff0c\u4f8b\u5982\u7f51\u7edc\u6570\u636e\u5305\u7684\u63a5\u6536\u548c\u5904\u7406\u3002 TIMER_SOFTIRQ\uff1a\u7528\u4e8e\u5904\u7406\u5b9a\u65f6\u5668\u4e2d\u65ad\uff0c\u4f8b\u5982\u5468\u671f\u6027\u7684\u7cfb\u7edf\u5b9a\u65f6\u5668\u3002 NET_TX_SOFTIRQ \u548c NET_RX_SOFTIRQ\uff1a\u5206\u522b\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u7f51\u7edc\u6570\u636e\u5305\u3002 BLOCK_SOFTIRQ\uff1a\u7528\u4e8e\u5757\u8bbe\u5907\u7684I\/O\u64cd\u4f5c\u3002 \u8fd9\u4e9b\u8f6f\u4e2d\u65ad\u4f1a\u5728\u5185\u6838\u8fd0\u884c\u671f\u95f4\u88ab\u89e6\u53d1\u548c\u5904\u7406\uff0c\u4ee5\u786e\u4fdd\u9ad8\u4f18\u5148\u7ea7\u4efb\u52a1\u80fd\u591f\u53ca\u65f6\u5f97\u5230\u6267\u884c\u3002\u6bcf\u4e2a\u8f6f\u4e2d\u65ad\u90fd\u6709\u76f8\u5e94\u7684\u8f6f\u4e2d\u65ad\u5904\u7406\u7a0b\u5e8f\uff0c\u5904\u7406\u7a0b\u5e8f\u4f1a\u5728\u9002\u5f53\u7684\u65f6\u673a\u6267\u884c\uff0c\u5e76\u6839\u636e\u7279\u5b9a\u7684\u4efb\u52a1\u9700\u6c42\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u64cd\u4f5c\u3002 \u4ee5\u4e0a\u5c31\u662f\u4e0b\u7684\u8f6f\u4e2d\u65ad\u6709\u54ea\u4e9b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-16291","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=16291"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16291\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}