{"id":2091,"date":"2015-07-12T17:10:41","date_gmt":"2015-07-12T09:10:41","guid":{"rendered":"http:\/\/jir.no-ip.org\/wordpress\/?p=2091"},"modified":"2015-07-12T17:11:10","modified_gmt":"2015-07-12T09:11:10","slug":"%e7%af%80%e8%83%bd-%e9%99%8d%e6%ba%ab-%e6%8a%8a%e7%81%8clinux-os%e7%9a%84-cpu%e9%99%8d%e9%a0%bb","status":"publish","type":"post","link":"https:\/\/jir.idv.tw\/wordpress\/?p=2091","title":{"rendered":"\u7bc0\u80fd \u964d\u6eab \u628a\u704cLINUX OS\u7684 CPU\u964d\u983b"},"content":{"rendered":"

\u4e00\u6a23\u662f\u71b1\u6b7b\u4eba\u4e0d\u511f\u547d\u7684\u5929\u6c23
\n\u5982\u4f55\u628aCPU\u964d\u6eab \u53ea\u80fd\u624b\u52d5\u964d\u901f \u8b93\u4ed6\u6e1b\u5c11\u529f\u7387\u7684\u6d88\u8017
\n
\n[root]# cpupower -c 0,1 frequency-info
\nanalyzing CPU 0:
\n driver: acpi-cpufreq
\n CPUs which run at the same hardware frequency: 0 1
\n CPUs which need to have their frequency coordinated by software: 0
\n maximum transition latency: 10.0 us.
\n hardware limits: 1000 MHz - 1.67 GHz
\n available frequency steps: 1.67 GHz, 1.33 GHz, 1000 MHz
\n available cpufreq governors: ondemand, userspace, performance
\n current policy: frequency should be within 1.30 GHz and 1.67 GHz.
\n The governor \"userspace\" may decide which speed to use
\n within this range.
\n current CPU frequency is 1.33 GHz (asserted by call to hardware).
\n boost state support:
\n Supported: yes
\n Active: yes
\nanalyzing CPU 1:
\n driver: acpi-cpufreq
\n CPUs which run at the same hardware frequency: 0 1
\n CPUs which need to have their frequency coordinated by software: 1
\n maximum transition latency: 10.0 us.
\n hardware limits: 1000 MHz - 1.67 GHz
\n available frequency steps: 1.67 GHz, 1.33 GHz, 1000 MHz
\n available cpufreq governors: ondemand, userspace, performance
\n current policy: frequency should be within 1.30 GHz and 1.67 GHz.
\n The governor \"userspace\" may decide which speed to use
\n within this range.
\n current CPU frequency is 1.33 GHz (asserted by call to hardware).
\n boost state support:
\n Supported: yes
\n Active: yes
\n<\/code><\/p>\n

\u7531\u4e0a\u53ef\u4ee5\u5f97\u77e5 \u6211\u76841.6G\u7684CPU\u8a2d\u5b9a\u8dd11.33G\u7684\u72c0\u614b
\n\u6700\u5c11\u6700\u5c11\u9084\u53ef\u4ee5\u964d\u52301.0G\u7a69\u5b9a\u904b\u505a\u770b\u770b
\n
\n[root]# cpupower -c 0,1 frequency-set -d 1.0G -u 1.67G
\nSetting cpu: 0
\nSetting cpu: 1
\n<\/code><\/p>\n

\u8a2d\u5b9a\u4ee5\u5f8c \u5c31\u6703\u770b\u5230CPU\u88ab\u964d\u983b\u52301.0G\u7684\u901f\u5ea6\u4e86
\n
\n[root]# cpupower -c 0,1 frequency-info
\nanalyzing CPU 0:
\n driver: acpi-cpufreq
\n CPUs which run at the same hardware frequency: 0 1
\n CPUs which need to have their frequency coordinated by software: 0
\n maximum transition latency: 10.0 us.
\n hardware limits: 1000 MHz - 1.67 GHz
\n available frequency steps: 1.67 GHz, 1.33 GHz, 1000 MHz
\n available cpufreq governors: ondemand, userspace, performance
\n current policy: frequency should be within 1000 MHz and 1.67 GHz.
\n The governor \"userspace\" may decide which speed to use
\n within this range.
\n current CPU frequency is 1000 MHz (asserted by call to hardware).
\n boost state support:
\n Supported: yes
\n Active: yes
\nanalyzing CPU 1:
\n driver: acpi-cpufreq
\n CPUs which run at the same hardware frequency: 0 1
\n CPUs which need to have their frequency coordinated by software: 1
\n maximum transition latency: 10.0 us.
\n hardware limits: 1000 MHz - 1.67 GHz
\n available frequency steps: 1.67 GHz, 1.33 GHz, 1000 MHz
\n available cpufreq governors: ondemand, userspace, performance
\n current policy: frequency should be within 1000 MHz and 1.67 GHz.
\n The governor \"userspace\" may decide which speed to use
\n within this range.
\n current CPU frequency is 1000 MHz (asserted by call to hardware).
\n boost state support:
\n Supported: yes
\n Active: yes
\n<\/code><\/p>\n

\u81f3\u65bc\u6eab\u5ea6\u6709\u6c92\u6709\u964d\u4e0b\u4f86 \u770b\u8d77\u4f86\u4e0d\u660e\u986f@@
\n\u5148\u89c0\u5bdf\u770b\u770b<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u6a23\u662f\u71b1\u6b7b\u4eba\u4e0d\u511f\u547d\u7684\u5929\u6c23 \u5982\u4f55\u628aCPU\u964d\u6eab \u53ea\u80fd\u624b\u52d5\u964d\u901f \u8b93\u4ed6\u6e1b\u5c11\u529f\u7387\u7684\u6d88\u8017 [root]# cpupower -c 0,1 frequency-info analyzing CPU 0: driver: acpi-cpufreq CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 maximum transition latency: 10.0 us. hardware limits: 1000 MHz – 1.67 GHz available frequency steps: 1.67 GHz, 1.33 GHz, 1000 MHz available cpufreq governors: ondemand, userspace, performance current policy: frequency should be within 1.30 GHz and 1.67 GHz. The gove… Read more (\u5b8c\u6574\u6587\u7ae0\u5167\u5bb9)\u7bc0\u80fd \u964d\u6eab \u628a\u704cLINUX OS\u7684 CPU\u964d\u983b<\/span><\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-2091","post","type-post","status-publish","format-standard","hentry","category-4","content-layout-excerpt-thumb"],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2091","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2091"}],"version-history":[{"count":2,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2091\/revisions"}],"predecessor-version":[{"id":2093,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2091\/revisions\/2093"}],"wp:attachment":[{"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2091"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2091"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jir.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2091"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}