\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u9700\u8981\u68c0\u6d4b Linux \u670d\u52a1\u5668\u4e0a\u9664\u4e86 lo（loopback）\u63a5\u53e3\u4ee5\u5916\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u5e26\u5bbd，\u53ef\u4ee5\u4f7f\u7528bash\u811a\u672c，\u8ba1\u7b97\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u7684\u63a5\u6536\u548c\u53d1\u9001\u901f\u7387，\u5e76\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f7f\u7528\u811a\u672c\u68c0\u6d4b\u670d\u52a1\u5668\u4e0a\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u7684\u5e26\u5bbd\u6709\u591a\u79cd\u4f5c\u7528\u548c\u597d\u5904\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u9996\u5148，\u5b83\u80fd\u591f\u81ea\u52a8\u5316\u76d1\u63a7\u6d41\u7a0b，\u51cf\u5c11\u4eba\u5de5\u5e72\u9884，\u63d0\u9ad8\u6548\u7387\u3002\u901a\u8fc7\u5b9a\u65f6\u6267\u884c\u811a\u672c，\u53ef\u4ee5\u5b9e\u65f6\u83b7\u53d6\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u7684\u6d41\u91cf\u4fe1\u606f，\u5e2e\u52a9\u7ba1\u7406\u5458\u53ca\u65f6\u53d1\u73b0\u5f02\u5e38\u60c5\u51b5，\u5982\u67d0\u4e2a\u63a5\u53e3\u6d41\u91cf\u6fc0\u589e\u53ef\u80fd\u662f\u7531\u4e8eDDoS\u653b\u51fb\u6216\u914d\u7f6e\u9519\u8bef\u5f15\u8d77\u7684\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5176\u6b21，\u8fd9\u4e9b\u6570\u636e\u6709\u52a9\u4e8e\u8fdb\u884c\u5bb9\u91cf\u89c4\u5212，\u901a\u8fc7\u5bf9\u5386\u53f2\u6570\u636e\u7684\u5206\u6790\u6765\u9884\u6d4b\u672a\u6765\u7684\u7f51\u7edc\u9700\u6c42，\u786e\u4fdd\u7f51\u7edc\u8d44\u6e90\u7684\u6709\u6548\u5229\u7528\u548c\u5408\u7406\u5206\u914d\u3002\u6b64\u5916，\u5e26\u5bbd\u76d1\u63a7\u8fd8\u80fd\u4e3a\u6545\u969c\u6392\u67e5\u63d0\u4f9b\u4f9d\u636e，\u5f53\u51fa\u73b0\u7f51\u7edc\u6027\u80fd\u95ee\u9898\u65f6，\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u5404\u63a5\u53e3\u7684\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u6839\u6e90\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6700\u540e，\u8fd9\u79cd\u505a\u6cd5\u6709\u52a9\u4e8e\u63d0\u5347\u670d\u52a1\u8d28\u91cf\u548c\u7528\u6237\u4f53\u9a8c，\u4fdd\u8bc1\u5173\u952e\u5e94\u7528\u548c\u670d\u52a1\u7684\u7a33\u5b9a\u8fd0\u884c，\u5c24\u5176\u662f\u5728\u9ad8\u8d1f\u8f7d\u60c5\u51b5\u4e0b，\u786e\u4fdd\u6709\u8db3\u591f\u7684\u5e26\u5bbd\u6ee1\u8db3\u4e1a\u52a1\u9700\u6c42\u3002<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u524d\u9762\u5199\u4e86\u4e00\u4e2a\u53ea\u6709\u4e00\u4e2a\u63a5\u53e3\u5e26\u5bbd\u7684\u811a\u672c，\u6709\u5174\u8da3\u53ef\u4ee5\u53c2\u8003：<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u300alinux\u811a\u672c：bash\u811a\u672c\u5b9a\u65f6\u68c0\u67e5\u7f51\u7edc\u5e26\u5bbd\u300b<\/p>\n
\u4e8c\u3001\u811a\u672c\u5b9e\u73b0<\/span><\/h2>\n\u811a\u672c\u4ee3\u7801\u5982\u4e0b：<\/p>\n
#!\/bin\/bash<\/p>\n
# \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u6765\u83b7\u53d6\u6307\u5b9a\u7f51\u5361\u7684\u6d41\u91cf\u7edf\u8ba1
\nget_interface_stats() {
\n local interface=$1
\n local rx_bytes=$(cat \/sys\/class\/net\/"$interface"\/statistics\/rx_bytes)
\n local tx_bytes=$(cat \/sys\/class\/net\/"$interface"\/statistics\/tx_bytes)
\n echo "$rx_bytes $tx_bytes"
\n}<\/p>\n
# \u83b7\u53d6\u6240\u6709\u7f51\u7edc\u63a5\u53e3，\u6392\u9664 lo \u63a5\u53e3
\ninterfaces=$(ip -o link show | awk -F': ' '{print $2}' | grep -v '^lo$')<\/p>\n
# \u4fdd\u5b58\u521d\u59cb\u6d41\u91cf\u7edf\u8ba1
\ndeclare -A initial_stats
\nfor interface in $interfaces; do
\n initial_stats["$interface"]=$(get_interface_stats "$interface")
\ndone<\/p>\n
# \u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4（\u4f8b\u5982 1 \u79d2）
\nsleep 1<\/p>\n
# \u83b7\u53d6\u6700\u7ec8\u6d41\u91cf\u7edf\u8ba1
\ndeclare -A final_stats
\nfor interface in $interfaces; do
\n final_stats["$interface"]=$(get_interface_stats "$interface")
\ndone<\/p>\n
# \u8ba1\u7b97\u6bcf\u4e2a\u63a5\u53e3\u7684\u5e26\u5bbd
\necho "\u63a5\u53e3\u540d\u79f0 \u63a5\u6536\u901f\u5ea6(B\/s) \u53d1\u9001\u901f\u5ea6(B\/s)"
\necho "—————————————–"
\nfor interface in $interfaces; do
\n # \u83b7\u53d6\u521d\u59cb\u548c\u6700\u7ec8\u7684\u6d41\u91cf\u7edf\u8ba1
\n read initial_rx initial_tx <<< "${initial_stats["$interface"]}"
\n read final_rx final_tx <<< "${final_stats["$interface"]}"<\/p>\n
# \u8ba1\u7b97\u5dee\u503c\u5e76\u8f6c\u6362\u4e3a KB\/s
\n rx_diff=$((final_rx – initial_rx))
\n tx_diff=$((final_tx – initial_tx))
\n rx_speed=$((rx_diff ))
\n tx_speed=$((tx_diff ))<\/p>\n
# \u8f93\u51fa\u7ed3\u679c
\n printf "%-10s %-15d %-15d\\\\n" "$interface" "$rx_speed" "$tx_speed"
\ndone<\/p>\n
\u5b9e\u9645\u64cd\u4f5c\u5982\u4e0b：<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250527105619-68359a53771c3.jpg\")
<\/p>\n
\n
\u4e09\u3001\u811a\u672c\u8bf4\u660e<\/span><\/h2>\n1. \u83b7\u53d6\u7f51\u7edc\u63a5\u53e3\u5217\u8868<\/span><\/h3>\n\u00a0\u00a0 – \u4f7f\u7528 ip -o link show \u547d\u4ee4\u5217\u51fa\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u3002<\/p>\n
\u00a0\u00a0 – \u4f7f\u7528 grep -v '^lo$' \u8fc7\u6ee4\u6389 lo（loopback）\u63a5\u53e3\u3002<\/p>\n
\n
2. \u8bfb\u53d6\u6d41\u91cf\u7edf\u8ba1<\/span><\/h3>\n\u00a0\u00a0 – \/sys\/class\/net\/<interface>\/statistics\/rx_bytes：\u8868\u793a\u63a5\u6536\u5230\u7684\u5b57\u8282\u6570\u3002<\/p>\n
\u00a0\u00a0 – \/sys\/class\/net\/<interface>\/statistics\/tx_bytes：\u8868\u793a\u53d1\u9001\u7684\u5b57\u8282\u6570\u3002<\/p>\n
\n
3. \u8ba1\u7b97\u5e26\u5bbd<\/span><\/h3>\n\u00a0\u00a0 – \u9996\u5148\u8bb0\u5f55\u521d\u59cb\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n
\u00a0\u00a0 – \u7b49\u5f85 1 \u79d2\u540e\u518d\u6b21\u8bb0\u5f55\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n
\u00a0\u00a0 – \u901a\u8fc7\u4e24\u6b21\u7edf\u8ba1\u7684\u5dee\u503c\u8ba1\u7b97\u6bcf\u79d2\u7684\u63a5\u6536\u548c\u53d1\u9001\u901f\u5ea6，\u5e76\u5c06\u7ed3\u679c\u4ece\u5b57\u8282\u8f6c\u6362\u4e3a KB\u3002<\/p>\n
\n
4. \u8f93\u51fa\u683c\u5f0f<\/span><\/h3>\n\u00a0\u00a0 – \u4f7f\u7528 printf \u683c\u5f0f\u5316\u8f93\u51fa\u63a5\u53e3\u540d\u79f0\u3001\u63a5\u6536\u901f\u5ea6\u548c\u53d1\u9001\u901f\u5ea6\u3002<\/p>\n
\u56db\u3001\u8fd0\u884c\u793a\u4f8b<\/span><\/h2>\n1\u3001\u8bbe\u7f6e\u6267\u884c\u6743\u9650<\/span><\/h3>\n\u4fdd\u5b58\u6587\u4ef6\u4e3amonitor_bw.sh\u00a0 ,\u5e76\u8bbe\u7f6e\u6267\u884c\u6743\u9650，\u5982\u4e0b：<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250527105619-68359a5390b05.jpg\")
<\/p>\n
\n
2\u3001\u8fd0\u884c<\/span><\/h3>\n\u5047\u8bbe\u670d\u52a1\u5668\u4e0a\u6709\u4e24\u4e2a\u7f51\u7edc\u63a5\u53e3 eth0 \u548c eth1，\u8fd0\u884c\u811a\u672c\u540e\u53ef\u80fd\u8f93\u51fa\u5982\u4e0b：<\/p>\n
\u63a5\u53e3\u540d\u79f0\u00a0\u00a0 \u63a5\u6536\u901f\u5ea6(B\/s)\u00a0\u00a0 \u53d1\u9001\u901f\u5ea6(B\/s)<\/p>\n
—————————————–<\/p>\n
eth0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 123\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 456\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
eth1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 789\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1024\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u5b9e\u9645\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b：<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250527105619-68359a53a39f8.jpg\")
<\/p>\n
\u53ef\u4ee5\u770b\u51fa\u7aef\u53e3\u5360\u7528\u7684\u5e26\u5bbd；\u7ee7\u7eed\u89c2\u5bdf，\u7ed3\u679c\u5982\u4e0b：<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250527105619-68359a53bc177.jpg\")
<\/p>\n
\n
\u00a0\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/span><\/h2>\n1. \u6743\u9650\u8981\u6c42<\/span><\/h3>\n\u00a0\u00a0 – \u811a\u672c\u9700\u8981\u8bfb\u53d6 \/sys\/class\/net\/ \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6，\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u4ee5 root \u7528\u6237\u6216\u5177\u6709\u9002\u5f53\u6743\u9650\u7684\u7528\u6237\u8fd0\u884c\u3002<\/p>\n
2. \u65f6\u95f4\u95f4\u9694<\/span><\/h3>\n\u00a0\u00a0 – \u5f53\u524d\u811a\u672c\u9ed8\u8ba4\u7b49\u5f85 1 \u79d2\u6765\u8ba1\u7b97\u5e26\u5bbd\u3002\u5982\u679c\u9700\u8981\u66f4\u9ad8\u7684\u7cbe\u5ea6，\u53ef\u4ee5\u8c03\u6574 sleep \u7684\u65f6\u95f4\u3002<\/p>\n
3. \u591a\u7ebf\u7a0b\u73af\u5883<\/span><\/h3>\n\u00a0\u00a0 – \u5982\u679c\u7cfb\u7edf\u4e2d\u5b58\u5728\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\u5e76\u4e14\u6d41\u91cf\u8f83\u5927，\u5efa\u8bae\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u589e\u52a0\u9519\u8bef\u5904\u7406\u903b\u8f91\u4ee5\u786e\u4fdd\u811a\u672c\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n
4. \u6269\u5c55\u529f\u80fd<\/span><\/h3>\n\u00a0\u00a0 – \u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5c55\u811a\u672c，\u5c06\u5e26\u5bbd\u6570\u636e\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\u6216\u901a\u8fc7\u90ae\u4ef6\u53d1\u9001\u544a\u8b66\u4fe1\u606f\u3002<\/p>\n
\n
\u901a\u8fc7\u6574\u4e2a\u811a\u672c\u8fdb\u884c\u5e26\u5bbd\u68c0\u6d4b\u662f\u4e00\u79cd\u7ef4\u62a4\u7f51\u7edc\u5b89\u5168\u3001\u4f18\u5316\u8d44\u6e90\u914d\u7f6e\u548c\u63d0\u5347\u670d\u52a1\u8d28\u91cf\u7684\u6709\u6548\u624b\u6bb5\u3002\u53ef\u4ee5\u901a\u8fc7\u5b9e\u9645\u64cd\u4f5c\u6765\u4f53\u9a8c\u3002<\/p>\n
\n
\n\u6587\u7ae0\u6b63\u4e0b\u65b9\u53ef\u4ee5\u770b\u5230\u6211\u7684\u8054\u7cfb\u65b9\u5f0f：\u9f20\u6807\u201c\u70b9\u51fb\u201d\u00a0\u4e0b\u9762\u7684\u00a0\u201c\u5a01\u8fea\u65af\u7279-\u5c31\u662fvideo system\u00a0\u5fae\u4fe1\u540d\u7247\u201d\u5b57\u6837，\u5c31\u4f1a\u51fa\u73b0\u6211\u7684\u4e8c\u7ef4\u7801，\u6b22\u8fce\u6c9f\u901a\u63a2\u8ba8\u3002<\/p>\n
\n","protected":false},"excerpt":{"rendered":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb758\u6b21\uff0c\u70b9\u8d5e8\u6b21\uff0c\u6536\u85cf24\u6b21\u3002\u9700\u8981\u68c0\u6d4b Linux \u670d\u52a1\u5668\u4e0a\u9664\u4e86 lo\uff08loopback\uff09\u63a5\u53e3\u4ee5\u5916\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u5e26\u5bbd\uff0c\u53ef\u4ee5\u4f7f\u7528bash\u811a\u672c\uff0c\u8ba1\u7b97\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u7684\u63a5\u6536\u548c\u53d1\u9001\u901f\u7387\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\u3002- \u811a\u672c\u9700\u8981\u8bfb\u53d6 \/sys\/class\/net\/ \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\uff0c\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u4ee5 root \u7528\u6237\u6216\u5177\u6709\u9002\u5f53\u6743\u9650\u7684\u7528\u6237\u8fd0\u884c\u3002- \/sys\/class\/net\/\/statistics\/rx_bytes\uff1a\u8868\u793a\u63a5\u6536\u5230\u7684\u5b57\u8282\u6570\u3002- \/sys\/class\/net\/\/statistics\/tx_bytes\uff1a\u8868\u793a\u53d1\u9001\u7684\u5b57\u8282\u6570\u3002_\u670d\u52a1\u5668\u5e26\u5bbd\u6d4b\u8bd5\u811a\u672c<\/p>\n","protected":false},"author":2,"featured_media":40115,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[352,3656,3655,3654,43,3652,3653],"topic":[],"class_list":["post-40119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-bash","tag-3656","tag-3655","tag-3654","tag-43","tag-3652","tag-3653"],"yoast_head":"\n
linux\u811a\u672c\uff1a\u5b9e\u73b0\u68c0\u6d4b\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u7684\u5e26\u5bbd\u7684bash\u811a\u672c - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/40119.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"linux\u811a\u672c\uff1a\u5b9e\u73b0\u68c0\u6d4b\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u7684\u5e26\u5bbd\u7684bash\u811a\u672c - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb758\u6b21\uff0c\u70b9\u8d5e8\u6b21\uff0c\u6536\u85cf24\u6b21\u3002\u9700\u8981\u68c0\u6d4b Linux \u670d\u52a1\u5668\u4e0a\u9664\u4e86 lo\uff08loopback\uff09\u63a5\u53e3\u4ee5\u5916\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u5e26\u5bbd\uff0c\u53ef\u4ee5\u4f7f\u7528bash\u811a\u672c\uff0c\u8ba1\u7b97\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u7684\u63a5\u6536\u548c\u53d1\u9001\u901f\u7387\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\u3002- \u811a\u672c\u9700\u8981\u8bfb\u53d6 \/sys\/class\/net\/ \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\uff0c\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u4ee5 root \u7528\u6237\u6216\u5177\u6709\u9002\u5f53\u6743\u9650\u7684\u7528\u6237\u8fd0\u884c\u3002- \/sys\/class\/net\/\/statistics\/rx_bytes\uff1a\u8868\u793a\u63a5\u6536\u5230\u7684\u5b57\u8282\u6570\u3002- \/sys\/class\/net\/\/statistics\/tx_bytes\uff1a\u8868\u793a\u53d1\u9001\u7684\u5b57\u8282\u6570\u3002_\u670d\u52a1\u5668\u5e26\u5bbd\u6d4b\u8bd5\u811a\u672c\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/40119.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-27T10:56:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250527105619-68359a53771c3.jpg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/40119.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/40119.html\",\"name\":\"linux\u811a\u672c\uff1a\u5b9e\u73b0\u68c0\u6d4b\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u7684\u5e26\u5bbd\u7684bash\u811a\u672c - 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\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-05-27T10:56:20+00:00","dateModified":"2025-05-27T10:56:20+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/40119.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/40119.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/40119.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"linux\u811a\u672c\uff1a\u5b9e\u73b0\u68c0\u6d4b\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u7684\u5e26\u5bbd\u7684bash\u811a\u672c"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/40119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=40119"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/40119\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/40115"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=40119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=40119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=40119"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=40119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nget_interface_stats() {
\n local interface=$1
\n local rx_bytes=$(cat \/sys\/class\/net\/"$interface"\/statistics\/rx_bytes)
\n local tx_bytes=$(cat \/sys\/class\/net\/"$interface"\/statistics\/tx_bytes)
\n echo "$rx_bytes $tx_bytes"
\n}<\/p>\n
\ninterfaces=$(ip -o link show | awk -F': ' '{print $2}' | grep -v '^lo$')<\/p>\n
\ndeclare -A initial_stats
\nfor interface in $interfaces; do
\n initial_stats["$interface"]=$(get_interface_stats "$interface")
\ndone<\/p>\n
\nsleep 1<\/p>\n
\ndeclare -A final_stats
\nfor interface in $interfaces; do
\n final_stats["$interface"]=$(get_interface_stats "$interface")
\ndone<\/p>\n
\necho "\u63a5\u53e3\u540d\u79f0 \u63a5\u6536\u901f\u5ea6(B\/s) \u53d1\u9001\u901f\u5ea6(B\/s)"
\necho "—————————————–"
\nfor interface in $interfaces; do
\n # \u83b7\u53d6\u521d\u59cb\u548c\u6700\u7ec8\u7684\u6d41\u91cf\u7edf\u8ba1
\n read initial_rx initial_tx <<< "${initial_stats["$interface"]}"
\n read final_rx final_tx <<< "${final_stats["$interface"]}"<\/p>\n
\n rx_diff=$((final_rx – initial_rx))
\n tx_diff=$((final_tx – initial_tx))
\n rx_speed=$((rx_diff ))
\n tx_speed=$((tx_diff ))<\/p>\n
\n printf "%-10s %-15d %-15d\\\\n" "$interface" "$rx_speed" "$tx_speed"
\ndone<\/p>\n
<\/p>\n1. \u83b7\u53d6\u7f51\u7edc\u63a5\u53e3\u5217\u8868<\/span><\/h3>\n\u00a0\u00a0 – \u4f7f\u7528 ip -o link show \u547d\u4ee4\u5217\u51fa\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u3002<\/p>\n
\u00a0\u00a0 – \u4f7f\u7528 grep -v '^lo$' \u8fc7\u6ee4\u6389 lo（loopback）\u63a5\u53e3\u3002<\/p>\n
\n
2. \u8bfb\u53d6\u6d41\u91cf\u7edf\u8ba1<\/span><\/h3>\n\u00a0\u00a0 – \/sys\/class\/net\/<interface>\/statistics\/rx_bytes：\u8868\u793a\u63a5\u6536\u5230\u7684\u5b57\u8282\u6570\u3002<\/p>\n
\u00a0\u00a0 – \/sys\/class\/net\/<interface>\/statistics\/tx_bytes：\u8868\u793a\u53d1\u9001\u7684\u5b57\u8282\u6570\u3002<\/p>\n
\n
3. \u8ba1\u7b97\u5e26\u5bbd<\/span><\/h3>\n\u00a0\u00a0 – \u9996\u5148\u8bb0\u5f55\u521d\u59cb\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n
\u00a0\u00a0 – \u7b49\u5f85 1 \u79d2\u540e\u518d\u6b21\u8bb0\u5f55\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n
\u00a0\u00a0 – \u901a\u8fc7\u4e24\u6b21\u7edf\u8ba1\u7684\u5dee\u503c\u8ba1\u7b97\u6bcf\u79d2\u7684\u63a5\u6536\u548c\u53d1\u9001\u901f\u5ea6，\u5e76\u5c06\u7ed3\u679c\u4ece\u5b57\u8282\u8f6c\u6362\u4e3a KB\u3002<\/p>\n
\n
4. \u8f93\u51fa\u683c\u5f0f<\/span><\/h3>\n\u00a0\u00a0 – \u4f7f\u7528 printf \u683c\u5f0f\u5316\u8f93\u51fa\u63a5\u53e3\u540d\u79f0\u3001\u63a5\u6536\u901f\u5ea6\u548c\u53d1\u9001\u901f\u5ea6\u3002<\/p>\n
\u56db\u3001\u8fd0\u884c\u793a\u4f8b<\/span><\/h2>\n1\u3001\u8bbe\u7f6e\u6267\u884c\u6743\u9650<\/span><\/h3>\n\u4fdd\u5b58\u6587\u4ef6\u4e3amonitor_bw.sh\u00a0 ,\u5e76\u8bbe\u7f6e\u6267\u884c\u6743\u9650，\u5982\u4e0b：<\/p>\n
<\/p>\n
\n
2\u3001\u8fd0\u884c<\/span><\/h3>\n\u5047\u8bbe\u670d\u52a1\u5668\u4e0a\u6709\u4e24\u4e2a\u7f51\u7edc\u63a5\u53e3 eth0 \u548c eth1，\u8fd0\u884c\u811a\u672c\u540e\u53ef\u80fd\u8f93\u51fa\u5982\u4e0b：<\/p>\n
\u63a5\u53e3\u540d\u79f0\u00a0\u00a0 \u63a5\u6536\u901f\u5ea6(B\/s)\u00a0\u00a0 \u53d1\u9001\u901f\u5ea6(B\/s)<\/p>\n
—————————————–<\/p>\n
eth0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 123\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 456\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
eth1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 789\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1024\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u5b9e\u9645\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b：<\/p>\n
<\/p>\n
\u53ef\u4ee5\u770b\u51fa\u7aef\u53e3\u5360\u7528\u7684\u5e26\u5bbd；\u7ee7\u7eed\u89c2\u5bdf，\u7ed3\u679c\u5982\u4e0b：<\/p>\n
<\/p>\n
\n
\u00a0\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/span><\/h2>\n1. \u6743\u9650\u8981\u6c42<\/span><\/h3>\n\u00a0\u00a0 – \u811a\u672c\u9700\u8981\u8bfb\u53d6 \/sys\/class\/net\/ \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6，\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u4ee5 root \u7528\u6237\u6216\u5177\u6709\u9002\u5f53\u6743\u9650\u7684\u7528\u6237\u8fd0\u884c\u3002<\/p>\n
2. \u65f6\u95f4\u95f4\u9694<\/span><\/h3>\n\u00a0\u00a0 – \u5f53\u524d\u811a\u672c\u9ed8\u8ba4\u7b49\u5f85 1 \u79d2\u6765\u8ba1\u7b97\u5e26\u5bbd\u3002\u5982\u679c\u9700\u8981\u66f4\u9ad8\u7684\u7cbe\u5ea6，\u53ef\u4ee5\u8c03\u6574 sleep \u7684\u65f6\u95f4\u3002<\/p>\n
3. \u591a\u7ebf\u7a0b\u73af\u5883<\/span><\/h3>\n\u00a0\u00a0 – \u5982\u679c\u7cfb\u7edf\u4e2d\u5b58\u5728\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\u5e76\u4e14\u6d41\u91cf\u8f83\u5927，\u5efa\u8bae\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u589e\u52a0\u9519\u8bef\u5904\u7406\u903b\u8f91\u4ee5\u786e\u4fdd\u811a\u672c\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n
4. \u6269\u5c55\u529f\u80fd<\/span><\/h3>\n\u00a0\u00a0 – \u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5c55\u811a\u672c，\u5c06\u5e26\u5bbd\u6570\u636e\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\u6216\u901a\u8fc7\u90ae\u4ef6\u53d1\u9001\u544a\u8b66\u4fe1\u606f\u3002<\/p>\n
\n
\u901a\u8fc7\u6574\u4e2a\u811a\u672c\u8fdb\u884c\u5e26\u5bbd\u68c0\u6d4b\u662f\u4e00\u79cd\u7ef4\u62a4\u7f51\u7edc\u5b89\u5168\u3001\u4f18\u5316\u8d44\u6e90\u914d\u7f6e\u548c\u63d0\u5347\u670d\u52a1\u8d28\u91cf\u7684\u6709\u6548\u624b\u6bb5\u3002\u53ef\u4ee5\u901a\u8fc7\u5b9e\u9645\u64cd\u4f5c\u6765\u4f53\u9a8c\u3002<\/p>\n
\n
\n\u6587\u7ae0\u6b63\u4e0b\u65b9\u53ef\u4ee5\u770b\u5230\u6211\u7684\u8054\u7cfb\u65b9\u5f0f：\u9f20\u6807\u201c\u70b9\u51fb\u201d\u00a0\u4e0b\u9762\u7684\u00a0\u201c\u5a01\u8fea\u65af\u7279-\u5c31\u662fvideo system\u00a0\u5fae\u4fe1\u540d\u7247\u201d\u5b57\u6837，\u5c31\u4f1a\u51fa\u73b0\u6211\u7684\u4e8c\u7ef4\u7801，\u6b22\u8fce\u6c9f\u901a\u63a2\u8ba8\u3002<\/p>\n
\n","protected":false},"excerpt":{"rendered":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb758\u6b21\uff0c\u70b9\u8d5e8\u6b21\uff0c\u6536\u85cf24\u6b21\u3002\u9700\u8981\u68c0\u6d4b Linux \u670d\u52a1\u5668\u4e0a\u9664\u4e86 lo\uff08loopback\uff09\u63a5\u53e3\u4ee5\u5916\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u5e26\u5bbd\uff0c\u53ef\u4ee5\u4f7f\u7528bash\u811a\u672c\uff0c\u8ba1\u7b97\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u7684\u63a5\u6536\u548c\u53d1\u9001\u901f\u7387\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\u3002- \u811a\u672c\u9700\u8981\u8bfb\u53d6 \/sys\/class\/net\/ \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\uff0c\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u4ee5 root \u7528\u6237\u6216\u5177\u6709\u9002\u5f53\u6743\u9650\u7684\u7528\u6237\u8fd0\u884c\u3002- \/sys\/class\/net\/\/statistics\/rx_bytes\uff1a\u8868\u793a\u63a5\u6536\u5230\u7684\u5b57\u8282\u6570\u3002- \/sys\/class\/net\/\/statistics\/tx_bytes\uff1a\u8868\u793a\u53d1\u9001\u7684\u5b57\u8282\u6570\u3002_\u670d\u52a1\u5668\u5e26\u5bbd\u6d4b\u8bd5\u811a\u672c<\/p>\n","protected":false},"author":2,"featured_media":40115,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[352,3656,3655,3654,43,3652,3653],"topic":[],"class_list":["post-40119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-bash","tag-3656","tag-3655","tag-3654","tag-43","tag-3652","tag-3653"],"yoast_head":"\n
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\u00a0\u00a0 – \/sys\/class\/net\/<interface>\/statistics\/rx_bytes：\u8868\u793a\u63a5\u6536\u5230\u7684\u5b57\u8282\u6570\u3002<\/p>\n
\u00a0\u00a0 – \/sys\/class\/net\/<interface>\/statistics\/tx_bytes：\u8868\u793a\u53d1\u9001\u7684\u5b57\u8282\u6570\u3002<\/p>\n
\n
3. \u8ba1\u7b97\u5e26\u5bbd<\/span><\/h3>\n\u00a0\u00a0 – \u9996\u5148\u8bb0\u5f55\u521d\u59cb\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n
\u00a0\u00a0 – \u7b49\u5f85 1 \u79d2\u540e\u518d\u6b21\u8bb0\u5f55\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n
\u00a0\u00a0 – \u901a\u8fc7\u4e24\u6b21\u7edf\u8ba1\u7684\u5dee\u503c\u8ba1\u7b97\u6bcf\u79d2\u7684\u63a5\u6536\u548c\u53d1\u9001\u901f\u5ea6，\u5e76\u5c06\u7ed3\u679c\u4ece\u5b57\u8282\u8f6c\u6362\u4e3a KB\u3002<\/p>\n
\n
4. \u8f93\u51fa\u683c\u5f0f<\/span><\/h3>\n\u00a0\u00a0 – \u4f7f\u7528 printf \u683c\u5f0f\u5316\u8f93\u51fa\u63a5\u53e3\u540d\u79f0\u3001\u63a5\u6536\u901f\u5ea6\u548c\u53d1\u9001\u901f\u5ea6\u3002<\/p>\n
\u56db\u3001\u8fd0\u884c\u793a\u4f8b<\/span><\/h2>\n1\u3001\u8bbe\u7f6e\u6267\u884c\u6743\u9650<\/span><\/h3>\n\u4fdd\u5b58\u6587\u4ef6\u4e3amonitor_bw.sh\u00a0 ,\u5e76\u8bbe\u7f6e\u6267\u884c\u6743\u9650，\u5982\u4e0b：<\/p>\n
<\/p>\n
\n
2\u3001\u8fd0\u884c<\/span><\/h3>\n\u5047\u8bbe\u670d\u52a1\u5668\u4e0a\u6709\u4e24\u4e2a\u7f51\u7edc\u63a5\u53e3 eth0 \u548c eth1，\u8fd0\u884c\u811a\u672c\u540e\u53ef\u80fd\u8f93\u51fa\u5982\u4e0b：<\/p>\n
\u63a5\u53e3\u540d\u79f0\u00a0\u00a0 \u63a5\u6536\u901f\u5ea6(B\/s)\u00a0\u00a0 \u53d1\u9001\u901f\u5ea6(B\/s)<\/p>\n
—————————————–<\/p>\n
eth0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 123\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 456\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
eth1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 789\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1024\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u5b9e\u9645\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b：<\/p>\n
<\/p>\n
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<\/p>\n
\n
\u00a0\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/span><\/h2>\n1. \u6743\u9650\u8981\u6c42<\/span><\/h3>\n\u00a0\u00a0 – \u811a\u672c\u9700\u8981\u8bfb\u53d6 \/sys\/class\/net\/ \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6，\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u4ee5 root \u7528\u6237\u6216\u5177\u6709\u9002\u5f53\u6743\u9650\u7684\u7528\u6237\u8fd0\u884c\u3002<\/p>\n
2. \u65f6\u95f4\u95f4\u9694<\/span><\/h3>\n\u00a0\u00a0 – \u5f53\u524d\u811a\u672c\u9ed8\u8ba4\u7b49\u5f85 1 \u79d2\u6765\u8ba1\u7b97\u5e26\u5bbd\u3002\u5982\u679c\u9700\u8981\u66f4\u9ad8\u7684\u7cbe\u5ea6，\u53ef\u4ee5\u8c03\u6574 sleep \u7684\u65f6\u95f4\u3002<\/p>\n
3. \u591a\u7ebf\u7a0b\u73af\u5883<\/span><\/h3>\n\u00a0\u00a0 – \u5982\u679c\u7cfb\u7edf\u4e2d\u5b58\u5728\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\u5e76\u4e14\u6d41\u91cf\u8f83\u5927，\u5efa\u8bae\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u589e\u52a0\u9519\u8bef\u5904\u7406\u903b\u8f91\u4ee5\u786e\u4fdd\u811a\u672c\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n
4. \u6269\u5c55\u529f\u80fd<\/span><\/h3>\n\u00a0\u00a0 – \u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5c55\u811a\u672c，\u5c06\u5e26\u5bbd\u6570\u636e\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\u6216\u901a\u8fc7\u90ae\u4ef6\u53d1\u9001\u544a\u8b66\u4fe1\u606f\u3002<\/p>\n
\n
\u901a\u8fc7\u6574\u4e2a\u811a\u672c\u8fdb\u884c\u5e26\u5bbd\u68c0\u6d4b\u662f\u4e00\u79cd\u7ef4\u62a4\u7f51\u7edc\u5b89\u5168\u3001\u4f18\u5316\u8d44\u6e90\u914d\u7f6e\u548c\u63d0\u5347\u670d\u52a1\u8d28\u91cf\u7684\u6709\u6548\u624b\u6bb5\u3002\u53ef\u4ee5\u901a\u8fc7\u5b9e\u9645\u64cd\u4f5c\u6765\u4f53\u9a8c\u3002<\/p>\n
\n
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\u00a0\u00a0 – \u4f7f\u7528 printf \u683c\u5f0f\u5316\u8f93\u51fa\u63a5\u53e3\u540d\u79f0\u3001\u63a5\u6536\u901f\u5ea6\u548c\u53d1\u9001\u901f\u5ea6\u3002<\/p>\n
\u56db\u3001\u8fd0\u884c\u793a\u4f8b<\/span><\/h2>\n1\u3001\u8bbe\u7f6e\u6267\u884c\u6743\u9650<\/span><\/h3>\n\u4fdd\u5b58\u6587\u4ef6\u4e3amonitor_bw.sh\u00a0 ,\u5e76\u8bbe\u7f6e\u6267\u884c\u6743\u9650，\u5982\u4e0b：<\/p>\n
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\n
2\u3001\u8fd0\u884c<\/span><\/h3>\n\u5047\u8bbe\u670d\u52a1\u5668\u4e0a\u6709\u4e24\u4e2a\u7f51\u7edc\u63a5\u53e3 eth0 \u548c eth1，\u8fd0\u884c\u811a\u672c\u540e\u53ef\u80fd\u8f93\u51fa\u5982\u4e0b：<\/p>\n
\u63a5\u53e3\u540d\u79f0\u00a0\u00a0 \u63a5\u6536\u901f\u5ea6(B\/s)\u00a0\u00a0 \u53d1\u9001\u901f\u5ea6(B\/s)<\/p>\n
—————————————–<\/p>\n
eth0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 123\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 456\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
eth1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 789\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1024\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u5b9e\u9645\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b：<\/p>\n
<\/p>\n
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<\/p>\n
\n
\u00a0\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/span><\/h2>\n1. \u6743\u9650\u8981\u6c42<\/span><\/h3>\n\u00a0\u00a0 – \u811a\u672c\u9700\u8981\u8bfb\u53d6 \/sys\/class\/net\/ \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6，\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u4ee5 root \u7528\u6237\u6216\u5177\u6709\u9002\u5f53\u6743\u9650\u7684\u7528\u6237\u8fd0\u884c\u3002<\/p>\n
2. \u65f6\u95f4\u95f4\u9694<\/span><\/h3>\n\u00a0\u00a0 – \u5f53\u524d\u811a\u672c\u9ed8\u8ba4\u7b49\u5f85 1 \u79d2\u6765\u8ba1\u7b97\u5e26\u5bbd\u3002\u5982\u679c\u9700\u8981\u66f4\u9ad8\u7684\u7cbe\u5ea6，\u53ef\u4ee5\u8c03\u6574 sleep \u7684\u65f6\u95f4\u3002<\/p>\n
3. \u591a\u7ebf\u7a0b\u73af\u5883<\/span><\/h3>\n\u00a0\u00a0 – \u5982\u679c\u7cfb\u7edf\u4e2d\u5b58\u5728\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\u5e76\u4e14\u6d41\u91cf\u8f83\u5927，\u5efa\u8bae\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u589e\u52a0\u9519\u8bef\u5904\u7406\u903b\u8f91\u4ee5\u786e\u4fdd\u811a\u672c\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n
4. \u6269\u5c55\u529f\u80fd<\/span><\/h3>\n\u00a0\u00a0 – \u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5c55\u811a\u672c，\u5c06\u5e26\u5bbd\u6570\u636e\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\u6216\u901a\u8fc7\u90ae\u4ef6\u53d1\u9001\u544a\u8b66\u4fe1\u606f\u3002<\/p>\n
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\n
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\n","protected":false},"excerpt":{"rendered":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb758\u6b21\uff0c\u70b9\u8d5e8\u6b21\uff0c\u6536\u85cf24\u6b21\u3002\u9700\u8981\u68c0\u6d4b Linux \u670d\u52a1\u5668\u4e0a\u9664\u4e86 lo\uff08loopback\uff09\u63a5\u53e3\u4ee5\u5916\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u5e26\u5bbd\uff0c\u53ef\u4ee5\u4f7f\u7528bash\u811a\u672c\uff0c\u8ba1\u7b97\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u7684\u63a5\u6536\u548c\u53d1\u9001\u901f\u7387\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\u3002- \u811a\u672c\u9700\u8981\u8bfb\u53d6 \/sys\/class\/net\/ \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\uff0c\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u4ee5 root \u7528\u6237\u6216\u5177\u6709\u9002\u5f53\u6743\u9650\u7684\u7528\u6237\u8fd0\u884c\u3002- \/sys\/class\/net\/\/statistics\/rx_bytes\uff1a\u8868\u793a\u63a5\u6536\u5230\u7684\u5b57\u8282\u6570\u3002- \/sys\/class\/net\/\/statistics\/tx_bytes\uff1a\u8868\u793a\u53d1\u9001\u7684\u5b57\u8282\u6570\u3002_\u670d\u52a1\u5668\u5e26\u5bbd\u6d4b\u8bd5\u811a\u672c<\/p>\n","protected":false},"author":2,"featured_media":40115,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[352,3656,3655,3654,43,3652,3653],"topic":[],"class_list":["post-40119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-bash","tag-3656","tag-3655","tag-3654","tag-43","tag-3652","tag-3653"],"yoast_head":"\n
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\u4fdd\u5b58\u6587\u4ef6\u4e3amonitor_bw.sh\u00a0 ,\u5e76\u8bbe\u7f6e\u6267\u884c\u6743\u9650，\u5982\u4e0b：<\/p>\n
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\n
2\u3001\u8fd0\u884c<\/span><\/h3>\n\u5047\u8bbe\u670d\u52a1\u5668\u4e0a\u6709\u4e24\u4e2a\u7f51\u7edc\u63a5\u53e3 eth0 \u548c eth1，\u8fd0\u884c\u811a\u672c\u540e\u53ef\u80fd\u8f93\u51fa\u5982\u4e0b：<\/p>\n
\u63a5\u53e3\u540d\u79f0\u00a0\u00a0 \u63a5\u6536\u901f\u5ea6(B\/s)\u00a0\u00a0 \u53d1\u9001\u901f\u5ea6(B\/s)<\/p>\n
—————————————–<\/p>\n
eth0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 123\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 456\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
eth1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 789\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1024\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u5b9e\u9645\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b：<\/p>\n
<\/p>\n
\u53ef\u4ee5\u770b\u51fa\u7aef\u53e3\u5360\u7528\u7684\u5e26\u5bbd；\u7ee7\u7eed\u89c2\u5bdf，\u7ed3\u679c\u5982\u4e0b：<\/p>\n
<\/p>\n
\n
\u00a0\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/span><\/h2>\n1. \u6743\u9650\u8981\u6c42<\/span><\/h3>\n\u00a0\u00a0 – \u811a\u672c\u9700\u8981\u8bfb\u53d6 \/sys\/class\/net\/ \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6，\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u4ee5 root \u7528\u6237\u6216\u5177\u6709\u9002\u5f53\u6743\u9650\u7684\u7528\u6237\u8fd0\u884c\u3002<\/p>\n
2. \u65f6\u95f4\u95f4\u9694<\/span><\/h3>\n\u00a0\u00a0 – \u5f53\u524d\u811a\u672c\u9ed8\u8ba4\u7b49\u5f85 1 \u79d2\u6765\u8ba1\u7b97\u5e26\u5bbd\u3002\u5982\u679c\u9700\u8981\u66f4\u9ad8\u7684\u7cbe\u5ea6，\u53ef\u4ee5\u8c03\u6574 sleep \u7684\u65f6\u95f4\u3002<\/p>\n
3. \u591a\u7ebf\u7a0b\u73af\u5883<\/span><\/h3>\n\u00a0\u00a0 – \u5982\u679c\u7cfb\u7edf\u4e2d\u5b58\u5728\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\u5e76\u4e14\u6d41\u91cf\u8f83\u5927，\u5efa\u8bae\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u589e\u52a0\u9519\u8bef\u5904\u7406\u903b\u8f91\u4ee5\u786e\u4fdd\u811a\u672c\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n
4. \u6269\u5c55\u529f\u80fd<\/span><\/h3>\n\u00a0\u00a0 – \u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5c55\u811a\u672c，\u5c06\u5e26\u5bbd\u6570\u636e\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\u6216\u901a\u8fc7\u90ae\u4ef6\u53d1\u9001\u544a\u8b66\u4fe1\u606f\u3002<\/p>\n
\n
\u901a\u8fc7\u6574\u4e2a\u811a\u672c\u8fdb\u884c\u5e26\u5bbd\u68c0\u6d4b\u662f\u4e00\u79cd\u7ef4\u62a4\u7f51\u7edc\u5b89\u5168\u3001\u4f18\u5316\u8d44\u6e90\u914d\u7f6e\u548c\u63d0\u5347\u670d\u52a1\u8d28\u91cf\u7684\u6709\u6548\u624b\u6bb5\u3002\u53ef\u4ee5\u901a\u8fc7\u5b9e\u9645\u64cd\u4f5c\u6765\u4f53\u9a8c\u3002<\/p>\n
\n
\n\u6587\u7ae0\u6b63\u4e0b\u65b9\u53ef\u4ee5\u770b\u5230\u6211\u7684\u8054\u7cfb\u65b9\u5f0f：\u9f20\u6807\u201c\u70b9\u51fb\u201d\u00a0\u4e0b\u9762\u7684\u00a0\u201c\u5a01\u8fea\u65af\u7279-\u5c31\u662fvideo system\u00a0\u5fae\u4fe1\u540d\u7247\u201d\u5b57\u6837，\u5c31\u4f1a\u51fa\u73b0\u6211\u7684\u4e8c\u7ef4\u7801，\u6b22\u8fce\u6c9f\u901a\u63a2\u8ba8\u3002<\/p>\n
\n","protected":false},"excerpt":{"rendered":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb758\u6b21\uff0c\u70b9\u8d5e8\u6b21\uff0c\u6536\u85cf24\u6b21\u3002\u9700\u8981\u68c0\u6d4b Linux \u670d\u52a1\u5668\u4e0a\u9664\u4e86 lo\uff08loopback\uff09\u63a5\u53e3\u4ee5\u5916\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u5e26\u5bbd\uff0c\u53ef\u4ee5\u4f7f\u7528bash\u811a\u672c\uff0c\u8ba1\u7b97\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u7684\u63a5\u6536\u548c\u53d1\u9001\u901f\u7387\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\u3002- \u811a\u672c\u9700\u8981\u8bfb\u53d6 \/sys\/class\/net\/ \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\uff0c\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u4ee5 root \u7528\u6237\u6216\u5177\u6709\u9002\u5f53\u6743\u9650\u7684\u7528\u6237\u8fd0\u884c\u3002- \/sys\/class\/net\/\/statistics\/rx_bytes\uff1a\u8868\u793a\u63a5\u6536\u5230\u7684\u5b57\u8282\u6570\u3002- \/sys\/class\/net\/\/statistics\/tx_bytes\uff1a\u8868\u793a\u53d1\u9001\u7684\u5b57\u8282\u6570\u3002_\u670d\u52a1\u5668\u5e26\u5bbd\u6d4b\u8bd5\u811a\u672c<\/p>\n","protected":false},"author":2,"featured_media":40115,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[352,3656,3655,3654,43,3652,3653],"topic":[],"class_list":["post-40119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-bash","tag-3656","tag-3655","tag-3654","tag-43","tag-3652","tag-3653"],"yoast_head":"\n
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<\/p>\n<\/p>\n1. \u6743\u9650\u8981\u6c42<\/span><\/h3>\n\u00a0\u00a0 – \u811a\u672c\u9700\u8981\u8bfb\u53d6 \/sys\/class\/net\/ \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6，\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u4ee5 root \u7528\u6237\u6216\u5177\u6709\u9002\u5f53\u6743\u9650\u7684\u7528\u6237\u8fd0\u884c\u3002<\/p>\n
2. \u65f6\u95f4\u95f4\u9694<\/span><\/h3>\n\u00a0\u00a0 – \u5f53\u524d\u811a\u672c\u9ed8\u8ba4\u7b49\u5f85 1 \u79d2\u6765\u8ba1\u7b97\u5e26\u5bbd\u3002\u5982\u679c\u9700\u8981\u66f4\u9ad8\u7684\u7cbe\u5ea6，\u53ef\u4ee5\u8c03\u6574 sleep \u7684\u65f6\u95f4\u3002<\/p>\n
3. \u591a\u7ebf\u7a0b\u73af\u5883<\/span><\/h3>\n\u00a0\u00a0 – \u5982\u679c\u7cfb\u7edf\u4e2d\u5b58\u5728\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\u5e76\u4e14\u6d41\u91cf\u8f83\u5927，\u5efa\u8bae\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u589e\u52a0\u9519\u8bef\u5904\u7406\u903b\u8f91\u4ee5\u786e\u4fdd\u811a\u672c\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n
4. \u6269\u5c55\u529f\u80fd<\/span><\/h3>\n\u00a0\u00a0 – \u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5c55\u811a\u672c，\u5c06\u5e26\u5bbd\u6570\u636e\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\u6216\u901a\u8fc7\u90ae\u4ef6\u53d1\u9001\u544a\u8b66\u4fe1\u606f\u3002<\/p>\n
\n
\u901a\u8fc7\u6574\u4e2a\u811a\u672c\u8fdb\u884c\u5e26\u5bbd\u68c0\u6d4b\u662f\u4e00\u79cd\u7ef4\u62a4\u7f51\u7edc\u5b89\u5168\u3001\u4f18\u5316\u8d44\u6e90\u914d\u7f6e\u548c\u63d0\u5347\u670d\u52a1\u8d28\u91cf\u7684\u6709\u6548\u624b\u6bb5\u3002\u53ef\u4ee5\u901a\u8fc7\u5b9e\u9645\u64cd\u4f5c\u6765\u4f53\u9a8c\u3002<\/p>\n
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3. \u591a\u7ebf\u7a0b\u73af\u5883<\/span><\/h3>\n\u00a0\u00a0 – \u5982\u679c\u7cfb\u7edf\u4e2d\u5b58\u5728\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\u5e76\u4e14\u6d41\u91cf\u8f83\u5927，\u5efa\u8bae\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u589e\u52a0\u9519\u8bef\u5904\u7406\u903b\u8f91\u4ee5\u786e\u4fdd\u811a\u672c\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n
4. \u6269\u5c55\u529f\u80fd<\/span><\/h3>\n\u00a0\u00a0 – \u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5c55\u811a\u672c，\u5c06\u5e26\u5bbd\u6570\u636e\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\u6216\u901a\u8fc7\u90ae\u4ef6\u53d1\u9001\u544a\u8b66\u4fe1\u606f\u3002<\/p>\n
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