2. CPU\u67b6\u69cb\u8a73\u60c5<\/h3>\n

$ dmidecode -t processor | grep -i thread\r\n        Thread Count: 2\r\n        Current Speed: 2400 MHz\r\n        Max Speed: 3600 MHz<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u5be6\u969b\u6548\u80fd\u512a\u5316<\/strong><\/h2>\n
\u5728\u7ba1\u7406\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u6642\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u6548\u80fd\u56e0\u7d20\uff1a<\/p>\n
\n
\u8ca0\u8f09\u5e73\u5747\u503c\u7406\u60f3\u60c5\u6cc1\u4e0b\u61c9\u4fdd\u6301\u5728\u7e3d\u57f7\u884c\u7dd2\u6578\u768470%\u4ee5\u4e0b<\/li>\n
\u4f7f\u7528Prometheus\u7b49\u5de5\u5177\u76e3\u63a7CPU\u4f7f\u7528\u60c5\u6cc1<\/li>\n
\u6839\u64da\u57f7\u884c\u7dd2\u53ef\u7528\u6027\u5be6\u65bd\u9069\u7576\u7684\u7a0b\u5e8f\u6392\u7a0b<\/li>\n<\/ul>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u9032\u968eCPU\u57f7\u884c\u7dd2\u76e3\u63a7<\/strong><\/h2>\n
\u4f01\u696d\u7d1a\u76e3\u63a7\u9700\u8981\u8907\u96dc\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684\u76e3\u63a7\u8a2d\u7f6e\uff1a<\/p>\n
1. \u8a2d\u7f6ePrometheus\u76e3\u63a7<\/h3>\n
# Install node_exporter\r\n$ wget https:\/\/github.com\/prometheus\/node_exporter\/releases\/download\/v1.3.1\/node_exporter-1.3.1.linux-amd64.tar.gz\r\n$ tar xvfz node_exporter-1.3.1.linux-amd64.tar.gz\r\n$ cd node_exporter-1.3.1.linux-amd64\r\n$ .\/node_exporter<\/code><\/pre>\n
2. \u5be6\u73fe\u81ea\u5b9a\u7fa9CPU\u6307\u6a19<\/h3>\n
#!\/bin\/bash\r\n# Custom CPU monitoring script\r\nwhile true; do\r\n    cpu_usage=$(top -bn1 | grep \"Cpu(s)\" | sed \"s\/.*, *\\([0-9.]*\\)%* id.*\/\\1\/\" | awk '{print 100 - $1}')\r\n    echo \"CPU Usage: $cpu_usage%\"\r\n    sleep 60\r\ndone<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
CPU\u6548\u80fd\u8abf\u6821\u6307\u5357<\/strong><\/h2>\n
\u5c0d\u65bc\u9999\u6e2f\u9ad8\u6548\u80fd\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\uff0c\u8acb\u5be6\u65bd\u4ee5\u4e0b\u512a\u5316\u6280\u8853\uff1a<\/p>\n
\n
\u914d\u7f6eCPU\u983b\u7387\u8abf\u7bc0\u4ee5\u7372\u5f97\u6700\u4f73\u6548\u80fd<\/li>\n
\u5be6\u65bd\u6b63\u78ba\u7684NUMA\uff08\u975e\u7d71\u4e00\u8a18\u61b6\u9ad4\u5b58\u53d6\uff09\u914d\u7f6e<\/li>\n
\u512a\u5316\u7a0b\u5e8f\u89aa\u548c\u6027\u8a2d\u7f6e<\/li>\n
\u76e3\u63a7\u548c\u8abf\u6574CPU C-states\u72c0\u614b<\/li>\n<\/ul>\n
NUMA\u914d\u7f6e\u793a\u4f8b<\/h3>\n
# Check NUMA topology\r\n$ numactl --hardware\r\n\r\n# Set process NUMA policy\r\n$ numactl --preferred=0 your_application<\/code><\/pre>\n
\u4e86\u89e3NUMA\u67b6\u69cb\u5c0d\u591a\u63d2\u69fd\u4f3a\u670d\u5668\u81f3\u95dc\u91cd\u8981\uff0c\u56e0\u70ba\u4e0d\u7576\u7684NUMA\u914d\u7f6e\u53ef\u80fd\u5c0e\u81f4\u986f\u8457\u7684\u6548\u80fd\u4e0b\u964d\u3002\u5728\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\uff0c\u9ad8\u6548\u80fd\u904b\u7b97\u662f\u5e38\u898b\u9700\u6c42\uff0c\u9069\u7576\u7684NUMA\u512a\u5316\u53ef\u4ee5\u63d0\u5347\u9ad8\u905430%\u7684\u6548\u80fd\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
CPU\u57f7\u884c\u7dd2\u7ba1\u7406\u6700\u4f73\u5be6\u52d9<\/strong><\/h2>\n
\u70ba\u7372\u5f97\u6700\u4f73\u4f3a\u670d\u5668\u6548\u80fd\uff1a<\/p>\n
# Check current CPU governor settings\r\n$ cat \/sys\/devices\/system\/cpu\/cpu*\/cpufreq\/scaling_governor\r\n\r\n# Set performance mode\r\n$ echo performance | sudo tee \/sys\/devices\/system\/cpu\/cpu*\/cpufreq\/scaling_governor<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u5e38\u898b\u554f\u984c\u6545\u969c\u6392\u9664<\/strong><\/h2>\n
\u7576\u9047\u5230CPU\u76f8\u95dc\u554f\u984c\u6642\uff1a<\/p>\n
# Check for processes consuming high CPU\r\n$ top -b -n 1 | head -n 20\r\n\r\n# Monitor CPU temperature\r\n$ sensors<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u7d50\u8ad6<\/strong><\/h2>\n
\u4e86\u89e3CPU\u57f7\u884c\u7dd2\u6578\u5c0d\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002\u900f\u904e\u5229\u7528\u9019\u4e9b\u5de5\u5177\u548c\u6700\u4f73\u5be6\u52d9\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fddCentOS\u74b0\u5883\u4e2d\u7684\u6700\u4f73\u6548\u80fd\u548c\u8cc7\u6e90\u4f7f\u7528\u7387\u3002\u8acb\u8a18\u4f4f\u5b9a\u671f\u76e3\u63a7CPU\u6307\u6a19\uff0c\u4e26\u6839\u64da\u5de5\u4f5c\u8ca0\u8f09\u9700\u6c42\u8abf\u6574\u914d\u7f6e\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
[vc_row el_class=”blog-detail-section”][vc_ […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":17847,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[4260,4258,4259,2059,1242],"class_list":["post-17853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-linux-cpu-info-tc","tag-centos-cpu-threads-tc","tag-check-cpu-cores-tc","tag-hong-kong-server-hosting-tc","tag-server-performance-tc"],"acf":[],"yoast_head":"\n