[B! mutex] masterqã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

masterq id:masterq

mutexã«é–¢ã™ã‚‹masterqã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

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Rustã§ä½œã‚‹Linuxãƒ‡ãƒã‚¤ã‚¹ãƒ‰ãƒ©ã‚¤ãƒ
ã ã‚Œã§ã‚‚ã§ãã‚‹ã‚·ãƒªãƒ¼ã‚ºã¨ã—ã¦ã€Rustã§ã‚«ãƒ¼ãƒãƒ«ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’å®Ÿè£…ã—ãªãŒã‚‰å¦ã‚“ã§ãã¾ã—ãŸãŒï¼ˆå½¹ã«ç«‹ãŸãªã„ã‚ãƒ£ãƒ©ã‚¯ã‚¿ãƒ‡ãƒã‚¤ã‚¹ãƒ‰ãƒ©ã‚¤ãƒãªã©ï¼‰ã€ãã‚ãã‚å®Ÿéš›ã«ä½¿ãˆã‚‹æ©Ÿèƒ½ã‚’å®Ÿè£…ã—ãŸã„ã“ã‚ã§ã™ã‚ˆãï¼ ä»Šå›žã¯ã€ç†è€…ãŒå®Ÿè£…ã—ãŸãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯PHYãƒ‰ãƒ©ã‚¤ãƒãŒã€Rustã§å®Ÿè£…ã•ã‚ŒãŸåˆã‚ã¦ã®ãƒ‡ãƒã‚¤ã‚¹ãƒ‰ãƒ©ã‚¤ãƒã¨ã—ã¦Linuxã‚«ãƒ¼ãƒãƒ«ã«æŽ¡ç”¨ã•ã‚ŒãŸè©±ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ èª¤è§£ï¼šLinuxã‚«ãƒ¼ãƒãƒ«ãŒRustã‚’ã‚µãƒãƒ¼ãƒˆã€ŒLinuxã‚«ãƒ¼ãƒãƒ«ãŒRustã‚’ã‚µãƒãƒ¼ãƒˆã—ãŸã€ã¨ã„ã†ãƒ‹ãƒ¥ãƒ¼ã‚¹ã‚’è¦‹ã¦ã€Rustã®ã‚³ãƒ¼ãƒ‰ãŒã©ã‚“ã©ã‚“æŽ¡ç”¨ã•ã‚Œã¦ã„ã‚‹ã¨èª¤è§£ã—ã¦ã„ã‚‹æ–¹ã‚‚ã„ã‚‹ã‚ˆã†ã§ã™ã€‚ã“ã®ãƒ‹ãƒ¥ãƒ¼ã‚¹ã¯ã€ã€ŒLinuxã‚«ãƒ¼ãƒãƒ«ã‚’Rustã§ã‚‚æ›¸ã‘ã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸãŒã€å®Ÿéš›ã«ä½•ã‹ã‚’å®Ÿè£…ã™ã‚‹ã‹ã©ã†ã‹ã¯æœªå®šã€ã¨ã„ã†æ„å‘³ã§ã™ã€‚Linuxã‚«ãƒ¼ãƒãƒ«ã¯ã€ãƒ¡ãƒ¢ãƒªãƒžãƒãƒ¼ã‚¸ãƒ¡ãƒ³ãƒˆã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã€æš—å·ãªã©ã€æ•°å¤šãã®ã‚µãƒ–ã‚·ã‚¹ãƒ†ãƒ ã§æ§‹æˆã•ã‚Œã¦ãŠã‚Šã€ãã‚Œãžã‚Œã®ãƒ¡ãƒ³ãƒ†ãƒŠãŒã€ã‚³ãƒ¼ãƒ‰ã®æŽ¡å¦ã‚’åˆ¤æ–ã—ã¾
masterq 2024/07/04
"Mutexã®æŠ½è±¡åŒ–APIã¯ã€ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«æ™‚ã«ã€å…±æœ‰ãƒ‡ãƒ¼ã‚¿ã¸ã®æŽ’ä»–çš„ãªã‚¢ã‚¯ã‚»ã‚¹ã‚’å¼·åˆ¶ã™ã‚‹APIã«ãªã£ã¦ã„ã¾ã™ã€‚"

rust

linux

kernel

api

mutex

lock

ethernet

phy
ãƒªãƒ³ã‚¯
GitHub - zesterer/spin-rs: Spin-based synchronization primitives
masterq 2024/01/14
spinlock

rust

lock

embedded

mutex
ãƒªãƒ³ã‚¯
Rust in the Linux kernel
The latest news and insights from Google on security and safety on the Internet
masterq 2021/04/22
google

rust

linux

kernel

mutex

raii

semaphore

error
ãƒªãƒ³ã‚¯
æŽ’ä»–åˆ¶å¾¡ã‚’è¡Œã† GitHub Action ã‚’ä½œã£ãŸ
å¼Šç¤¾ã§ã¯ GitHub ã®ãƒ¬ãƒã‚¸ãƒˆãƒªç®¡ç†ã« Terraform GitHub provider ã‚’ä½¿ç”¨ã—ã¦ã„ã¾ã™ã€‚ ã„ã¡ã„ã¡æ‰‹å…ƒã§ terraform plan ã‚„ terraform apply ã‚’å©ãã®ã¯é¢å€’ãªã®ã§ã€ GitHub Actions ã‚’åˆ©ç”¨ã™ã‚‹ã“ã¨ã‚’è€ƒãˆã¾ã—ãŸã€‚ tf ãƒ•ã‚¡ã‚¤ãƒ«ã¨ç¾å®Ÿã®ãƒªã‚½ãƒ¼ã‚¹ã¨ã®ä¸æ•´åˆã‚’é¿ã‘ã‚‹ãŸã‚ã«ã€ ã“ã‚Œã‚‰ã®ã‚³ãƒžãƒ³ãƒ‰ã¯æŽ’ä»–çš„ã«å®Ÿè¡Œã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ ä¾‹ãˆã° terraform apply ã‚’å®Ÿè¡Œã—ã¦ã„ã‚‹æœ€ä¸ã« terraform plan ã‚’å®Ÿè¡Œã™ã‚‹ã“ã¨ã¯ã§ãã¾ã›ã‚“ã€‚ ã“ã“ã§å•é¡Œã«ãªã£ã¦ãã‚‹ã®ãŒ GitHub Actions ã®ã‚¸ãƒ§ãƒ–ä¸¦åˆ—æ•°ã§ã™ã€‚ 2020-12-30 ç¾åœ¨ã€GitHub Actions ã¯åŒæ™‚ã« 20 ä¸¦åˆ—ã¾ã§å®Ÿè¡Œå¯èƒ½ã§ã™ãŒã€é€†ã«ä¸¦åˆ—æ•°ã‚’åˆ¶é™ã§ããªã„ã¨ã„ã†è´…æ²¢ãªæ‚©ã¿ãŒã‚ã‚Šã¾ã™ã€‚ ä¸€å¿œ Matrix Build ã®ä¸¦åˆ—æ•°ã‚’åˆ¶é™ã™ã‚‹ã‚ªãƒ—
masterq 2021/01/02
"ã€Œç¾åœ¨ã‚¸ãƒ§ãƒ–ãŒå®Ÿè¡Œã•ã‚Œã¦ã„ã‚‹ã‹ã€ã‚’ã€Œç‰¹å®šã®åå‰ã®ãƒ–ãƒ©ãƒ³ãƒãŒå˜åœ¨ã™ã‚‹ã‹ã€ã§è¡¨ã™ã“ã¨ã«ã—ã¾ã—ãŸ"

git

github

actions

lock

mutex

terraform
ãƒªãƒ³ã‚¯
Re: Interrupt handlers and mutex
masterq 2018/03/28
ç†Ÿèªã—ã‚ˆã†ã€‚ã€‚ã€‚

netbsd

interrupt

mutex

specification

lwp

kernel
ãƒªãƒ³ã‚¯
Latency Numbers Every Programmer Should Know
latency.txt @? ×ªï¿½ `E ×ªï¿½ Latency Comparison Numbers (~2012) ---------------------------------- L1 cache reference 0.5 ns Branch mispredict 5 ns L2 cache reference 7 ns 14x L1 cache Mutex lock/unlock 25 ns Main memory reference 100 ns 20x L2 cache, 200x L1 cache Compress 1K bytes with Zippy 3,000 ns 3 us Send 1K bytes over 1 Gbps network 10,000 ns 10 us Read 4K randomly from SSD* 150,000 ns 150 us ~
masterq 2018/02/18
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latency

performance

network

cache

cpu

benchmark

mutex

memory

ssd

storage
ãƒªãƒ³ã‚¯
netbsd currentã®mutex lockã«ã¤ã„ã¦(ãã®1) - akachochinã®æ—¥è¨˜
ã¾ãŸã¾ãŸnetbsd currentã®ã‚½ãƒ¼ã‚¹ã«ã¤ã„ã¦ã€‚ ä»Šåº¦ã¯mutexã‚’èªã‚“ã§ã„ã‚‹æœ€ä¸ãªã®ã§ã€ã“ã“ã«ã¤ã„ã¦ã‚‚ãƒ¡ãƒ¢ã‚’æ®‹ã™ã€‚ ãªãŠlock debugæ©Ÿèƒ½ã¯ãƒ¡ãƒ¢ã‹ã‚‰å¤–ã—ã¾ã™ã€‚ ã¡ãªã¿ã«lock debugæ©Ÿèƒ½ã¨ã¯ã€ãƒãƒƒã‚¯ã®çŠ¶æ…‹ã‚’ä¿æŒã—ã€å†å¸°å‘¼ã³å‡ºã—ãƒãƒƒã‚¯ãªã©ç•°å¸¸ãªçŠ¶æ…‹ãªã©ã‚’æ¤œçŸ¥ã—ãŸã¨ãã«panicãªã©ã—ã¦ãã‚Œã‚‹æ©Ÿèƒ½ã§ã™ã€‚(ã‚ã¾ã‚Šè©³ã—ãèªã‚“ã§ã„ã¾ã›ã‚“ãŒ....) [åˆæœŸåŒ–ã«ã¤ã„ã¦] mutex_init()ã§mutexå¤‰æ•°ã®åˆæœŸåŒ–ã‚’è¡Œã†ã€‚ ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§adaptive lockã¨ã¿ãªã•ã‚Œã‚‹ã€‚ [ãƒãƒƒã‚¯/ã‚¢ãƒ³ãƒãƒƒã‚¯ã®I/F] o Adaptive Lockã®å ´åˆ mutex_enter() mutex_exit() o Spin Lockã®å ´åˆ mutex_spin_enter() mutex_spin_exit() [ä¸Šè¨˜I/Fã®å®Ÿä½“ã«ã¤ã„ã¦] __HAVE_MUTEX_STUBSãŠã‚ˆã³__H
masterq 2013/05/29
mutex

netbsd

kernel
ãƒªãƒ³ã‚¯
1