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Linux ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã«ã¤ã„ã¦èª¿ã¹ãŸã“ã¨ã‚’ã¾ã¨ã‚ã‚‹ã€‚ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã®ä»•çµ„ã¿ã‚’ç†è§£ã™ã‚‹ã¨ã€ OS ã¨ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒã©ã®ã‚ˆã†ã«é€£æºã—ã¦å‹•ã„ã¦ã„ã‚‹ã®ã‹ã‚’ç†è§£ã§ãã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã¯ CPU ã«ä¾å˜ã™ã‚‹å‡¦ç†ãŒå¤šã„ãŸã‚ã€ x86_64 ã«çµžã‚Šã¾ã™ã€‚ æ¤œè¨¼ç’°å¢ƒ]# cat /etc/redhat-release CentOS Linux release 8.0.1905 (Core) ]# uname -a Linux localhost.localdomain 4.18.0-80.11.2.el8_0.x86_64 #1 SMP Tue Sep 24 11:32:19 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux ]# cat /proc/cpuinfo | head processor : 0 vendor_id : GenuineInte
harumaki_net 2023/09/17
kernel

linux
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Linuxã‚«ãƒ¼ãƒãƒ«ã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’æ©Ÿèƒ½ã¨ãƒ¬ã‚¤ãƒ¤ãƒ¼ã§åˆ†é¡žã—ã¦è¡¨ç¤ºã—ã¦ãã‚Œã‚‹ã€ŒLinux kernel mapã€
Linuxã®ã‚«ãƒ¼ãƒãƒ«ã¯è†¨å¤§ãªæ•°ã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‹ã‚‰æˆã‚Šç«‹ã£ã¦ãŠã‚Šã€ã©ã“ã«ä½•ã®å‡¦ç†ãŒæ›¸ã„ã¦ã‚ã‚‹ã®ã‹ã±ã£ã¨è¦‹å½“ã‚’ã¤ã‘ã‚‹ã®ã«ã¯ã‹ãªã‚Šã‚³ãƒ¼ãƒ‰ã‚’èªã¿è¾¼ã‚€å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ã€ŒInteractive map of Linux kernelã€ã¯ãã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’æ©Ÿèƒ½ã¨ãƒ¬ã‚¤ãƒ¤ãƒ¼ã§åˆ†é¡žã—ã¦è¡¨ç¤ºã—ã¦ãã‚Œã‚‹ã‚µã‚¤ãƒˆã¨ã„ã†ã“ã¨ã§ã€ä½¿ã„å‹æ‰‹ã‚’è©¦ã—ã¦ã¿ã¾ã—ãŸã€‚ Interactive map of Linux kernel http://www.makelinux.net/kernel_map/ ã‚µã‚¤ãƒˆã«ã‚¢ã‚¯ã‚»ã‚¹ã—ã€ãƒãƒ¼ãƒ‰ãŒçµ‚ã‚ã‚‹ã¨ä¸‹ã®ç”»åƒã®ã‚ˆã†ã«6åˆ—6è¡Œã®è¡¨ãŒè¡¨ç¤ºã•ã‚Œã¾ã™ã€‚åˆ—ãŒæ©Ÿèƒ½ã®åˆ†é¡žã‚’è¡¨ã—ã¦ãŠã‚Šã€ã€Œã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã€ã€Œã‚·ã‚¹ãƒ†ãƒ ã€ã€Œå‡¦ç†ã€ã€Œãƒ¡ãƒ¢ãƒªãƒ¼ã€ã€Œã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã€ã€Œãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã€ã¨ã„ã†åˆ†é¡žã«ãªã£ã¦ã„ã¾ã™ã€‚è¡Œã¯ãƒ¬ã‚¤ãƒ¤ãƒ¼ã‚’è¡¨ã—ã¦ãŠã‚Šã€ä¸Šã‹ã‚‰ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ãªã©ã®ã€Œãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚¹ãƒšãƒ¼ã‚¹ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã€ã€ã€Œãƒãƒ¼ãƒãƒ£ãƒ«ã€ã€ã€Œãƒ–ãƒªãƒƒã‚¸ã€
harumaki_net 2018/03/22
Linux

kernel
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Linuxãƒ—ãƒã‚»ã‚¹ã¨ã‚«ãƒ¼ãƒãƒ«èªè§£ã®ã¨ã£ã‹ã‹ã‚Š - Qiita
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harumaki_net 2016/12/18
Linux

kernel
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perf + Flame Graphs ã§ Linux ã‚«ãƒ¼ãƒãƒ«å†…ã®ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã‚’ç‰¹å®šã™ã‚‹ - ablog
Linuxã§ddã§1GBã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä½œæˆã— perf ã§ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒªãƒ³ã‚°ã—ã€Flame Graph (ç‚Žã®ã‚°ãƒ©ãƒ•ï¼Ÿ)ã«ã—ã¦å¯è¦–åŒ–ã—ãŸã‚‚ã®ã§ã™ã€‚ Flame Graphs ã¯ perf(Linux)ã€SystemTap(Linux)ã€DTrace(Solarisã€Oracle Linux(UEK)ã€Mac OS Xã€FreeBSD)ã€XPerf.exe(Windows) ãªã©ã§ã®ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒªãƒ³ã‚°çµæžœã‚’å¯è¦–åŒ–ã—ã¦æœ€ã‚‚ä½¿ã‚ã‚Œã¦ã„ã‚‹ã‚³ãƒ¼ãƒ‰ãƒ‘ã‚¹ã‚’æ—©ãæ£ç¢ºã«ç‰¹å®šã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚å®Ÿä½“ã¯ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒªãƒ³ã‚°çµæžœã‚’ã‚°ãƒ©ãƒ•(SVG)ã«å¤‰æ›ã™ã‚‹ Perl ã‚¹ã‚¯ãƒªãƒ—ãƒˆã§ã™ã€‚ ä¸‹ã‹ã‚‰ä¸Šã«è¡Œãã»ã©ã‚³ãƒ¼ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ãŒæ·±ãã€å·¦ã‹ã‚‰é–¢æ•°åã®ã‚¢ãƒ«ãƒ•ã‚¡ãƒ™ãƒƒãƒˆé †ã§ã‚½ãƒ¼ãƒˆã•ã‚Œã¦ã„ã¾ã™ã€‚ä¸€ç•ªä¸Šã§æ¨ªå¹…ãŒåºƒã„é–¢æ•°ãŒCPUã‚’é•·ãä½¿ã£ã¦ã„ã¾ã™ã€‚ä»Šå›žã¯ "_aesni_enc1" ã¤ã¾ã‚Šæš—å·åŒ–ãŒãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã«ãªã£ã¦ã„ã‚‹ã“ã¨ãŒã‚ã‹ã‚Šã¾ã™ã€‚ ã‚·ã‚¹ãƒ†
harumaki_net 2015/07/07
Linux

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Linuxã‚«ãƒ¼ãƒãƒ«ã«é–¢ã™ã‚‹æŠ€è¡“ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã®ãƒªãƒã‚¸ãƒˆãƒªã€Œlinux-insidesã€ | ã‚½ãƒ•ãƒˆã‚¢ãƒ³ãƒ†ãƒŠ
Linux Kernelã¯ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã®OSã¨ã—ã¦æœ‰åã§ã™ãŒã€è†¨å¤§ãªã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’ä½•ã®æ‰‹ãŒã‹ã‚Šã‚‚ãªãèªã‚“ã§ã„ãã®ã¯ã‹ãªã‚Šå¤§å¤‰ãªä½œæ¥ã ã¨æ€ã„ã¾ã™ã€‚åˆå¿ƒè€…ãªã‚‰ã°ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã®ã©ã“ã‹ã‚‰æ‰‹ã‚’ã¤ã‘ã¦ã„ã„ã®ã‹é€”æ–¹ã«ãã‚Œã¦ã—ã¾ã†ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ ã€Œlinux-insidesã€ã¯ãã®ã‚ˆã†ãªã¨ãã«ä½¿ãˆã‚‹ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã§ã™ã€‚Linuxã‚«ãƒ¼ãƒãƒ«ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã®å†…éƒ¨æƒ…å ±ã‚’è§£èª¬ã™ã‚‹ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã§ã€ç¾åœ¨ã€ŒKernel booting process. Part 1ã€(ã‚«ãƒ¼ãƒãƒ«èµ·å‹•ãƒ—ãƒã‚»ã‚¹ãƒ‘ãƒ¼ãƒˆ1)ãŒå…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ ä½œè€…ã¯x86_64 ã‚¢ã‚»ãƒ³ãƒ–ãƒªãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«èˆˆå‘³ã‚’æŒã¡ã€ãã‚Œã¨åŒæ™‚ã«Linuxã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’èªã¿å§‹ã‚ãŸãã†ã§ã€ãƒ–ãƒ©ãƒƒã‚¯ãƒœãƒƒã‚¯ã‚¹ã¨ã—ã¦ã‚¹ãƒ«ãƒ¼ã•ã‚ŒãŒã¡ãªã‚¢ã‚»ãƒ³ãƒ–ãƒªã‚’ã—ã£ã‹ã‚Šè§£èª¬ã—ã¦ã„ã¾ã™(åˆ¥ã«ã‚¢ã‚»ãƒ³ãƒ–ãƒªãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«é–¢ã™ã‚‹ãƒ–ãƒã‚°ã‚‚å…¬é–‹ã•ã‚Œã¦ã„ã¾ã™)ã€‚ QEMUã‚’ä½¿ã£ã¦ã€ãƒ–ãƒ¼ãƒˆãƒ—ãƒã‚»ã‚¹ã‚’å®Ÿéš›ã«å‹•ã‹ã—ãªãŒã‚‰ç¢º
harumaki_net 2015/02/03
Linux

kernel
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harumaki_net 2015/01/06
kernel

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Linuxã®ãƒ–ãƒãƒƒã‚¯ãƒ‡ãƒã‚¤ã‚¹ãƒ¬ãƒ™ãƒ«ã§å®Ÿç¾ã™ã‚‹rsyncã‚ˆã‚Šé«˜é€Ÿãªå·®åˆ†ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã«ã¤ã„ã¦ - ã‚†ã†ã†ããƒ–ãƒã‚°
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harumaki_net 2014/05/26
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