{"id":145405,"date":"2019-06-04T15:44:58","date_gmt":"2019-06-04T07:44:58","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=145405"},"modified":"2019-05-21T09:46:27","modified_gmt":"2019-05-21T01:46:27","slug":"linux-perf-zstd","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/linux-perf-zstd.html","title":{"rendered":"Perf\u73b0\u5728\u652f\u6301Zstd\u538b\u7f29\u8ddf\u8e2a\u8bb0\u5f55"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>Linux\u5185\u6838\u7684perf\u5b50\u7cfb\u7edf\u7684\u540e\u671f\u66f4\u65b0\u5f15\u5165\u4e86\u5bf9\u8ddf\u8e2a\u538b\u7f29\u8bb0\u5f55\u7684\u652f\u6301\uff0c\u8fd9\u53ef\u4ee5\u4f7f\u6587\u4ef6\u5927\u5c0f\u51cf\u5c11\u4e09\u5230\u4e94\u500d\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Linux\u5185\u6838\u7684perf\u5b50\u7cfb\u7edf\u7684\u540e\u671f\u66f4\u65b0\u5f15\u5165\u4e86\u5bf9\u8ddf\u8e2a\u538b\u7f29\u8bb0\u5f55\u7684\u652f\u6301\uff0c\u8fd9\u53ef\u4ee5\u4f7f\u6587\u4ef6\u5927\u5c0f\u51cf\u5c11\u4e09\u5230\u4e94\u500d\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2019\/05\/1489374679_6884.jpg\" alt=\"\" width=\"800\" height=\"450\" class=\"aligncenter size-full wp-image-145406\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2019\/05\/1489374679_6884.jpg 800w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2019\/05\/1489374679_6884-300x169.jpg 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2019\/05\/1489374679_6884-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u5728Perf\u5b50\u7cfb\u7edf\u7684\u4e0a\u4e0b\u6587\u4e2d\uff0c\u8fd0\u884c\u65f6\u8ddf\u8e2a\u538b\u7f29\u548c\u81ea\u52a8\u89e3\u538b\u7f29\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u5982\u679c\u5728\u4efb\u4f55\u5b9e\u9645\u957f\u5ea6\u7684\u65f6\u95f4\u5185\u8bb0\u5f55\u4e8b\u4ef6\uff0c\u90a3\u4e9b\u8bb0\u5f55\u5f88\u5bb9\u6613\u8fbe\u5230\u8bb8\u591aGB\u3002<\/p>\n<p>\u7279\u522b\u662f\u5728\u8f83\u5927\u7684\u7cfb\u7edf\u4e0a\uff0c\u8fd9\u79cdZstd\u538b\u7f29\u8bb0\u5f55\u975e\u5e38\u6709\u4ef7\u503c\uff1a\u201c\u8282\u7701\u66f4\u5927\u7684\u5b58\u50a8\u7a7a\u95f4<\/p>\n<p>\u670d\u52a1\u5668\u7cfb\u7edf\uff0c\u5176\u4e2d<code>perf.data<\/code>\u5927\u5c0f\u53ef\u4ee5\u8f7b\u677e\u8fbe\u5230\u51e0\u5341\u751a\u81f3\u51e0\u767e\u4e2aGiB\uff0c\u7279\u522b\u662f\u5728\u4f7f\u7528\u57fa\u4e8e<code>DWARF<\/code>\u7684\u5806\u6808\u8fdb\u884c\u5206\u6790\u548c\u8ddf\u8e2a\u4e0a\u4e0b\u6587\u5207\u6362\u65f6\u3002<\/p>\n<p>\u4f7f\u7528<code>-z<\/code>\u5f00\u5173\u6fc0\u6d3b\u538b\u7f29\uff0c\u5e76\u4e14\u8fd8\u652f\u6301<code>--compression_level= <\/code>\u6807\u5fd7\u3002\u8fd9\u4e2a<code>perf<\/code>\u73af\u5f62\u7f13\u51b2\u533a\u7684\u6d41\u538b\u7f29\u662f\u901a\u8fc7<code>perf<\/code>\u5de5\u5177\u66f4\u65b0\u53d1\u9001\u7684\uff0c\u5e76\u4e14\u7531\u4e8e\u5b83\u8fdf\u5230\u800c\u88ab\u6807\u8bb0\u4e3a\u201c<code>RFC<\/code>\u201d\uff0c\u56e0\u6b64\u6211\u4eec\u4ecd\u5728\u7b49\u5f85<code>Linus Torvalds<\/code>\u51b3\u5b9a\u662f\u5426\u5c06\u6b64\u652f\u6301\u5f15\u5165Linux 5.2\u5185\u6838\u6216\u5c06\u4e0d\u5f97\u4e0d\u7b49\u5f85Linux 5.3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u5185\u6838\u7684perf\u5b50\u7cfb\u7edf\u7684\u540e\u671f\u66f4\u65b0\u5f15\u5165\u4e86\u5bf9\u8ddf\u8e2a\u538b\u7f29\u8bb0\u5f55\u7684\u652f\u6301\uff0c\u8fd9\u53ef\u4ee5\u4f7f\u6587\u4ef6\u5927\u5c0f\u51cf\u5c11\u4e09\u5230\u4e94\u500d\u3002 \u5728Perf [&hellip;]<\/p>\n","protected":false},"author":1893,"featured_media":145407,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-145405","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/145405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/1893"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=145405"}],"version-history":[{"count":1,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/145405\/revisions"}],"predecessor-version":[{"id":145408,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/145405\/revisions\/145408"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/145407"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=145405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=145405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=145405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}