Valgrind
To use this tool, you must specify --tool=dhat on the Valgrind command line. DHAT is primarily a tool for examining how programs use their heap allocations. It tracks the allocated blocks, and inspects every memory access to find which block, if any, it is to. It presents, on a program point basis, information about these blocks such as sizes, lifetimes, numbers of reads and writes, and read and w
Valgrind | Helgrind: a thread error detector
To use this tool, you must specify --tool=helgrind on the Valgrind command line. Helgrind is a Valgrind tool for detecting synchronisation errors in C, C++ and Fortran programs that use the POSIX pthreads threading primitives. The main abstractions in POSIX pthreads are: a set of threads sharing a common address space, thread creation, thread joining, thread exit, mutexes (locks), condition variab
Valgrind | DRD: a thread error detector
To model concurrent activities. Assigning one thread to each activity can be a great simplification compared to multiplexing the states of multiple activities in a single thread. This is why most server software and embedded software is multithreaded. To use multiple CPU cores simultaneously for speeding up computations. This is why many High Performance Computing (HPC) applications are multithrea
Valgrind ã§ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã‚’デãƒãƒƒã‚° - tomykaira makes love with codes
2013-01-28 Valgrind ã§ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã‚’デãƒãƒƒã‚° C++ C/C++ ã§ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã‚’デãƒãƒƒã‚°ã™ã‚‹ãƒ„ールã¯ã„ãã¤ã‹ã‚る。代表的ãªã‚‚ã®ã 㨠mtrace ccmalloc dmalloc LeakTracer valgrind ãªã©ã€‚ OpenCV 㨠X11 を使ã£ãŸãƒ—ãƒã‚°ãƒ©ãƒ ã®ãƒ‡ãƒãƒƒã‚°ã«ãŠã„ã¦ã€ valgrind ãŒå½¹ã«ãŸã£ãŸã€‚ 使ã„方を他ã®ãƒ„ールã®ã‚‚ã®ã‚‚ã‚ã‚ã›ã¦ãƒ¡ãƒ¢ã—ã¦ãŠã。 紹介ã—ã¦ã„るブãƒã‚°è¨˜äº‹ã‚„ã€ãã‚Œãžã‚Œã®ãƒ„ール㮠example ã§ã¯é€šå¸¸çŸã„プãƒã‚°ãƒ©ãƒ を例ã«å‡ºã—ã¦ã„る。 çŸã„プãƒã‚°ãƒ©ãƒ ã§ãã‚Œãªã‚Šã®çµæžœãŒã§ã‚‹ã®ã¯ã‚ãŸã‚Šã¾ãˆã§ã€ãƒ©ã‚¤ãƒ–ラリを使ã£ã¦é•·æ™‚é–“å‹•ã複雑ãªãƒ—ãƒã‚°ãƒ©ãƒ ã«ã©ã‚Œã ã‘対処ã§ãã‚‹ã‹ãŒè…•ã®ã¿ã›ã©ã“ã‚ã§ã‚る。 今回ã¯å†ç¾ãŒç°¡å˜ã§ã€å®Ÿè¡Œæ™‚é–“ã‚‚ã›ã„ãœã„10分もã¨ã‚Œã°å分ã ã£ãŸã®ã§ã€ã‚±ãƒ¼ã‚¹ã¨ã—ã¦ã¯ãã‚“ãªã«é›£ã—ããªã‹ã£ãŸãŒã€è¦æ¨¡ãŒå¤§ãããªã‚‹ã¨è§£æžçµæžœã‚’見るã“ã¨ã™ã‚‰å›°
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