\u5927\u304d\u306a\u5909\u66f4\u304c\u52a0\u3048\u3089\u308c\u305f<\/a>\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n![\"\"](\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/08\/s_20260817-_110101.webp\")
<\/p>\n
\u4e00\u898b\u30b3\u30fc\u30c9\u306e\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u306e\u305f\u3081\u306e\u5c0f\u898f\u6a21\u306a\u5909\u66f4\u306b\u601d\u3048\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u300c\u8d85\u53e4\u3044CPU\u3078\u306e\u9577\u5e74\u306e\u4e92\u63db\u6027\u7dad\u6301\u3092\u3064\u3044\u306b\u7d42\u4e86\u3057\u305f\u300d\u3068\u3044\u3046\u8c61\u5fb4\u7684\u306a\u51fa\u6765\u4e8b\u3067\u3001Windows\u304c10\u5e74\u4ee5\u4e0a\u524d\u304b\u3089\u9032\u3081\u3066\u3044\u305f\u6d41\u308c\u306b\u3001Linux\u3082\u3088\u3046\u3084\u304f\u8ffd\u3044\u3064\u3044\u305f\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
TSC\u3068\u306f\u4f55\u304b: \u9ad8\u7cbe\u5ea6\u306a\u6642\u9593\u8a08\u6e2c\u3092\u62c5\u3046CPU\u30ec\u30b8\u30b9\u30bf<\/h2>\n
TSC\u306f\u3001Intel Pentium\u6642\u4ee3\u304b\u3089\u5b58\u5728\u3059\u308b64bit\u306eCPU\u5185\u8535\u30ab\u30a6\u30f3\u30bf\u3067\u3001\u7d4c\u904e\u6642\u9593\u3092\u975e\u5e38\u306b\u7d30\u304b\u304f\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002HPET\u3084ACPI PM Timer\u306e\u3088\u3046\u306a\u30de\u30b6\u30fc\u30dc\u30fc\u30c9\u5074\u306e\u30bf\u30a4\u30de\u30fc\u3088\u308a\u9ad8\u901f\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u305f\u3081\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8a08\u6e2c\u3084\u540c\u671f\u51e6\u7406\u3067\u91cd\u5b9d\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002\u73fe\u4ee3\u306eIntel\/AMD CPU\u306f\u3059\u3079\u3066TSC\u3092\u642d\u8f09\u3057\u3066\u304a\u308a\u3001RDTSC\u3084RDTSCP\u547d\u4ee4\u3067\u8aad\u307f\u53d6\u308c\u307e\u3059\u3002<\/p>\n
Linux\u306f\u9577\u5e74\u3001TSC\u3092\u6301\u305f\u306a\u3044\u53e4\u3044CPU\u3084TSC\u304c\u4e0d\u5b89\u5b9a\u306aCPU\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u81a8\u5927\u306a\u4e92\u63db\u30b3\u30fc\u30c9\u3092\u7dad\u6301\u3057\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u8fd1\u5e74\u306f\u3001\u4e0d\u5fc5\u8981\u306a\u4e92\u63db\u30b3\u30fc\u30c9\u306f\u524a\u9664\u3059\u308b\u3068\u3044\u3046\u65b9\u91dd\u304c\u660e\u78ba\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
Linux 7.0\u3067Intel 486\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u7d42\u4e86\u3057\u3001\u7d9a\u304f\u958b\u767a\u30b5\u30a4\u30af\u30eb\u3067\u3001TSC\u3092\u524d\u63d0\u306b\u3067\u304d\u306a\u3044CPU\u306e\u30b5\u30dd\u30fc\u30c8\u3082\u524a\u9664\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u7d50\u679c\u3001\u73fe\u884c\u306e\u30b5\u30dd\u30fc\u30c8\u5bfe\u8c61CPU\u306f\u3059\u3079\u3066TSC\u3092\u642d\u8f09\u3057\u3066\u3044\u305f\u3082\u306e\u306b\u9650\u5b9a\u3067\u304d\u308b\u3053\u3068\u3068\u306a\u308a\u3001\u4e92\u63db\u30b3\u30fc\u30c9\u3092\u6b8b\u3059\u5fc5\u8981\u3068\u306a\u304f\u306a\u3063\u305f\u3053\u3068\u304b\u3089\u3001\u4eca\u56de\u306e\u300cTSC\u5fc5\u9808\u5316\u300d\u306b\u3064\u306a\u304c\u308a\u307e\u3057\u305f\u3002<\/p>\n
Windows\u306fTSC\u4e2d\u5fc3<\/h2>\n
Windows\u306f2000\/XP\u306e\u6642\u4ee3\u304b\u3089QueryPerformanceCounter(QPC)\u3092\u5c0e\u5165\u3057\u3001TSC\u304c\u4f7f\u3048\u308b\u74b0\u5883\u3067\u306f\u7a4d\u6975\u7684\u306b\u6d3b\u7528\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n
QueryPerformanceCounter(QPC)\u306fTSC\u3092\u5b89\u5168\u306b\u4f7f\u3046\u305f\u3081\u306eWindows\u306e\u62bd\u8c61\u30ec\u30a4\u30e4\u30fc\u3067\u3059\u3002<\/p>\n
Windows 7\u4ee5\u964d\u306f\u540c\u671f\u3055\u308c\u305fTSC\u304c\u3042\u308c\u3070\u305d\u308c\u3092\u4f7f\u3046\u3068\u3044\u3046\u65b9\u91dd\u304c\u5f37\u307e\u308a\u3001Windows 8\/8.1\u3067\u306f\u3055\u3089\u306b\u6539\u5584\u3055\u308c\u305f\u540c\u671f\u6a5f\u69cb\u304c\u5c0e\u5165\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u305f\u3060\u3057\u3001Windows\u306f\u4eca\u3067\u3082\u3001TSC\u304c\u4e0d\u9069\u5207\u306a\u5834\u5408\u306fHPET\u306a\u3069\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b\u4ed5\u7d44\u307f\u3092\u6b8b\u3057\u3066\u304a\u308a\u3001\u958b\u767a\u8005\u306b\u306f\u76f4\u63a5TSC\u3092\u8aad\u3080\u306e\u3067\u306f\u306a\u304fQPC\u3092\u4f7f\u3046\u3088\u3046\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u307e\u3068\u3081<\/h2>\n
\u4eca\u56de\u306e\u5909\u66f4\u306f\u3001Linux\u304c\u53e4\u3044x86 CPU\u3078\u306e\u6b74\u53f2\u7684\u306a\u4e92\u63db\u6027\u3092\u3064\u3044\u306b\u624b\u653e\u3057\u305f\u3068\u3044\u3046\u8c61\u5fb4\u7684\u306a\u610f\u5473\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n
\u73fe\u4ee3\u306ePC\u3067\u306f\u5f53\u7136\u306e\u3088\u3046\u306b\u4f7f\u308f\u308c\u3066\u3044\u308bTSC\u3092\u524d\u63d0\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u4fdd\u5b88\u6027\u304c\u5411\u4e0a\u3057\u3001\u4e0d\u8981\u306a\u5206\u5c90\u3084\u8abf\u6574\u30b3\u30fc\u30c9\u304c\u6d88\u3048\u308b\u3053\u3068\u3067\u308f\u305a\u304b\u306a\u304c\u3089\u6027\u80fd\u9762\u306e\u30e1\u30ea\u30c3\u30c8\u3082\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n
Windows\u3068\u6bd4\u3079\u308b\u3068\u53e4\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u5370\u8c61\u306e\u3042\u308bLinux\u3067\u3059\u304c\u3001\u5b9f\u969b\u306f\u5c11\u3057\u305a\u3064\u53e4\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
[via Neowin<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"Linux\u30ab\u30fc\u30cd\u30eb\u306bx86\u74b0\u5883\u3067Time Stamp Counter(TSC)\u3092\u5fc5\u9808\u8981\u4ef6\u306b\u3059\u308b\u3068\u3044\u3046\u5927\u304d\u306a\u5909\u66f4\u304c\u52a0\u3048\u3089\u308c\u305f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002 \u4e00\u898b\u30b3\u30fc\u30c9\u306e\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u306e\u305f\u3081\u306e\u5c0f\u898f\u6a21\u306a\u5909\u66f4\u306b\u601d\u3048\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u300c\u8d85\u53e4\u3044 […]<\/p>\n","protected":false},"author":2,"featured_media":129291,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[75],"tags":[37,3298],"class_list":["post-135477","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-linux","tag-windows"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/135477","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=135477"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/135477\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/129291"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=135477"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=135477"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=135477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2025\/06\/windows_vs_linux.jpg\")
<\/p>\n