{"id":343,"date":"2016-06-22T19:52:40","date_gmt":"2016-06-22T18:52:40","guid":{"rendered":"http:\/\/elcep.legtux.org\/?p=343"},"modified":"2016-06-22T19:52:48","modified_gmt":"2016-06-22T18:52:48","slug":"benchmark-cpu-avec-linux","status":"publish","type":"post","link":"https:\/\/elcep.legtux.org\/?p=343","title":{"rendered":"benchmark CPU avec linux"},"content":{"rendered":"<p>Un vieux portable qui craque, une installation Gnu-Linux toute neuve ! Et voil\u00e0 que me vient l&rsquo;envie de regarder comment fonctionne mon CPU histoire de voir si je n\u2019ai pas un thread qui a grill\u00e9 :-p ! J&rsquo;ai donc cherch\u00e9 \u00e0 droite et \u00e0 gauche des solutions en ligne de commande ! Et voil\u00e0! On ouvre deux terminaux et dans chacun on colle l&rsquo;une des lignes suivantes :<\/p>\n<p>La premi\u00e8re va lancer, sur 4 thread 2000 calcule<\/p>\n<pre>sysbench --test=cpu --cpu-max-prime=20000 --num-threads=4 run<\/pre>\n<p>La seconde va nous permettre d&rsquo;observer l&rsquo;\u00e9volution de la fr\u00e9quence du CPU<\/p>\n<pre>watch grep \\\"cpu MHz\\\" \/proc\/cpuinfo<\/pre>\n<p>Et voil\u00e0 on peut voir 4 thread entre 800 et 3700 MHz ! Tout fonctionne \ud83d\ude42<\/p>\n<p><a href=\"http:\/\/elcep.legtux.org\/wp-content\/uploads\/2016\/05\/Capture-d\u2019\u00e9cran_2016-05-22_20-14-48.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-344\" src=\"http:\/\/elcep.legtux.org\/wp-content\/uploads\/2016\/05\/Capture-d\u2019\u00e9cran_2016-05-22_20-14-48-1024x329.png\" alt=\"Capture d\u2019\u00e9cran_2016-05-22_20-14-48\" width=\"604\" height=\"194\" srcset=\"https:\/\/elcep.legtux.org\/wp-content\/uploads\/2016\/05\/Capture-d\u2019\u00e9cran_2016-05-22_20-14-48-1024x329.png 1024w, https:\/\/elcep.legtux.org\/wp-content\/uploads\/2016\/05\/Capture-d\u2019\u00e9cran_2016-05-22_20-14-48-300x96.png 300w, https:\/\/elcep.legtux.org\/wp-content\/uploads\/2016\/05\/Capture-d\u2019\u00e9cran_2016-05-22_20-14-48.png 1353w\" sizes=\"auto, (max-width: 604px) 100vw, 604px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un vieux portable qui craque, une installation Gnu-Linux toute neuve ! Et voil\u00e0 que me vient l&rsquo;envie de regarder comment fonctionne mon CPU histoire de voir si je n\u2019ai pas un thread qui a grill\u00e9 :-p ! J&rsquo;ai donc cherch\u00e9 \u00e0 droite et \u00e0 gauche des solutions en ligne de commande ! Et voil\u00e0! On &hellip; <a href=\"https:\/\/elcep.legtux.org\/?p=343\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">benchmark CPU avec linux<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-343","post","type-post","status-publish","format-standard","hentry","category-geekeries"],"_links":{"self":[{"href":"https:\/\/elcep.legtux.org\/index.php?rest_route=\/wp\/v2\/posts\/343","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/elcep.legtux.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/elcep.legtux.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/elcep.legtux.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/elcep.legtux.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=343"}],"version-history":[{"count":3,"href":"https:\/\/elcep.legtux.org\/index.php?rest_route=\/wp\/v2\/posts\/343\/revisions"}],"predecessor-version":[{"id":356,"href":"https:\/\/elcep.legtux.org\/index.php?rest_route=\/wp\/v2\/posts\/343\/revisions\/356"}],"wp:attachment":[{"href":"https:\/\/elcep.legtux.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/elcep.legtux.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elcep.legtux.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}