Rust ã®ã‚¨ãƒ©ãƒ¼ãƒãƒ³ãƒ‰ãƒªãƒ³ã‚°ã¯ã‚·ãƒ³ã‚¿ãƒƒã‚¯ã‚¹ã‚·ãƒ¥ã‚¬ãƒ¼ãŒè±Šå¯Œã§å®Œå…¨ã«åˆè¦‹æ®ºã—ãªã®ã§è‡ªä¿¡ã‚’æŒã£ã¦ä½¿ãˆã‚‹ã‚ˆã†ã«æ•´ç†ã—ã¦ã¿ãŸã‚‰å®Œå…¨ã«ç†è§£ã—㟠- QiitaDeleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article?
bashシェルスクリプトã§å¼•æ•°ã¨ã‚ªãƒ—ションを解æžã™ã‚‹
先日ã€ghコマンドã®ã‚¨ã‚¯ã‚¹ãƒ†ãƒ³ã‚·ãƒ§ãƒ³ã¨ã—ã¦ã€gh graphã¨ã„ã†ã‚‚ã®ã‚’作りã¾ã—ãŸã€‚ ã“ã¡ã‚‰ã«ã‚ªãƒ—ションã§è¡¨ç¤ºã‚’出ã—分ã‘ã‚‹æ©Ÿèƒ½ã‚’è¿½åŠ ã—ãŸã®ã§ã™ãŒã€ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—トã§ã®å¼•æ•°è§£æžã«æ‰‹ã“ãšã£ãŸã®ã§è€ƒãˆæ–¹ã‚’残ã—ã¦ãŠãã¾ã™ã€‚ 以下ã®è¨˜äº‹ãŒãŸã„ã¸ã‚“å‚考ã«ãªã‚Šã¾ã—ãŸã€‚æ„Ÿè¬ï¼ サンプルスクリプト 本記事ã®èª¬æ˜Žã‚’ã–ã£ãã‚Šã¨ã¾ã¨ã‚ãŸåŸºæœ¬çš„ãªã‚¹ã‚¯ãƒªãƒ—トを作æˆã—ã¾ã—ãŸã€‚以下ã®Gistã«è¼‰ã›ã¦ã„ã¾ã™ã€‚ コピーã—ã¦å®Ÿè¡Œã—ã¦ã¿ã¦ãã ã•ã„。 基本戦略 whileループã®ä¸ã§caseを使ã„ã€ã‚¹ã‚¯ãƒªãƒ—トã®å¼•æ•°ï¼ˆoptionã‚‚argumentã‚‚å«ã‚€ï¼‰ã‚’一ã¤ãšã¤å‡¦ç†ã—ã¾ã™ã€‚ ループã™ã‚‹ã”ã¨ã«shiftã§å¼•æ•°ã‚’å–り除ã„ã¦ã„ãã€0個ã«ãªã‚‹ã¾ã§ç¶šã‘ã¾ã™ã€‚ while (( $# > 0 )) do case $1 in -o) echo "option o" ;; -*) echo "invalid option" exit 1 ;;
Features/VT-d - QEMU
Introduction This page talks about VT-d emulation (guest vIOMMU) in QEMU, and all the related stuffs. Please see the References section for detailed information related to the technology. General Usage The guest vIOMMU is a general device in QEMU. Currently only Q35 platform supports guest vIOMMU. Here is a simplest example to boot a Q35 machine with an e1000 card and a guest vIOMMU: qemu-system-x
ngrokã¯regionを指定ã§ãã‚‹ - Qiita
$ ngrok http 3000 # ↓URLãŒç”Ÿæˆã•ã‚Œã¦ã‚¢ã‚¯ã‚»ã‚¹ã§ãã‚‹ Session Status online Session Expires 7 hours, 59 minutes Version 2.3.18 Region United States (us) Web Interface http://127.0.0.1:4040 Forwarding YOUR_HTTP_URL -> http://localhost:3000 Forwarding YOUR_HTTPS_URL -> http://localhost:3000 $ ngrok help http NAME: http - start an HTTP tunnel ... OPTIONS: --auth enforce basic auth on tunnel endpoint, 'user:password'
KMC Staff Blog:GCC10ã®æœ€é©åŒ–ã«ã‚ˆã‚‹memsetã§ã®ç„¡é™ãƒ«ãƒ¼ãƒ—ã®ç™ºç”Ÿ
2020å¹´11月17æ—¥ GCC10ã®æœ€é©åŒ–ã«ã‚ˆã‚‹memsetã§ã®ç„¡é™ãƒ«ãƒ¼ãƒ—ã®ç™ºç”Ÿ 以å‰ã€ã€ŒGCCã®æœ€é©åŒ–ã«ã‚ˆã‚‹äºˆæœŸã›ã¬ç„¡é™ãƒ«ãƒ¼ãƒ—ã®ç™ºç”Ÿã€ã¨ã„ã†è¨˜äº‹ã‚’書ãã¾ã—ãŸã€‚ã“ã®æ™‚㯠-fno-builtin-malloc ã‚„ __asm __volatile("":::"memory"); ãªã©ã§å¯¾ç–ã§ãã¾ã—ãŸã€‚ ã—ã‹ã—今回ã€ç¾çŠ¶æœ€æ–°ã® GCC 10 ã§ã€memsetã€ã—ã‹ã‚‚ナイーブ㪠*(char *)s++ = (char)c; ã¿ãŸã„ãªå®Ÿè£…ã§ã¯ãªãã€NetBSD ã®æœ¬æ ¼çš„ãªå®Ÿè£…ã®ã‚‚ã®ã§ç™ºç”Ÿã—ã€-fno-builtin ã‚„ -fno-builtin-memsetã€-ffreestanding ãªã©ã§ã‚‚抑制ã§ããšã€-fno-tree-loop-distribute-patterns ã¨ã„ã†ã‚ã¾ã‚Šä¸€èˆ¬çš„ã§ã¯ãªã„オプションãŒå¿…è¦ã«ãªã‚Šã¾ã—ãŸã€‚ ã“ã‚Œã¯ä¸€è¦‹ GCC ã®ã‚ªãƒ—ションãŒåŠ¹ã„ã¦ãªã„ã€ãƒã‚°ã®ã‚ˆã†ã«æ€
Valgrind
To use this tool, you must specify --tool=massif on the Valgrind command line. Massif is a heap profiler. It measures how much heap memory your program uses. This includes both the useful space, and the extra bytes allocated for book-keeping and alignment purposes. It can also measure the size of your program's stack(s), although it does not do so by default. Heap profiling can help you reduce the
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Is there a shortcut to unwrap or continue in a loop?
[dpdk-dev] Reg DPDK EAL log-level=8 options is not throwing any DEBUG messages in /var/log/messages
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Get Started
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