clock t linux

圖片僅供參考

12月 30, 2011

劉秋曼

kuso

timer - C++ obtaining milliseconds time on Linux -- clock() doesn't seem to work properly - Stack Ov 這蛋糕，騙很大！On Windows, clock() returns the time in milliseconds, but on this Linux box I'm working on, it rounds it to the nearest 1000 so the precision is only to the "second" level and not to ......

全文閱讀

---

救救他們

12月 30, 2011

王采安

kuso

clock - Linux Command - Unix Command - Linux Distribution Reviews and How-To Tips 老婆！再撐著點！只要再五元我們就可以回火星了！Linux / Unix Command Library: clock. Learn about its synopsis, description, options, and examples. ... DESCRIPTION This command performs one of several operations that may obtain or manipulate strings or values that represent some notion of time....

全文閱讀

---

誤會一場

12月 30, 2011

連元柳

kuso

clock(3): determine processor time - Linux man page   這位學子你傷不起啊。The clock() function returns an approximation of processor time used by the program. ... The value returned is the CPU time used so far as a clock_t; to get the number of seconds used, divide by CLOCKS_PER_SEC. If the processor time used is not available ...

全文閱讀

---

打地鼠

12月 30, 2011

何海丹

kuso

clock_gettime(3): clock/time functions - Linux man page   自製全自動打地鼠機，有一隻好像已經跑掉了喲！Name clock_getres, clock_gettime, clock_settime - clock and time functions Synopsis #include int clock_getres(clockid_t clk_id, struct timespec *res); int clock_gettime(clockid_t clk_id, struct timespec *tp); int clock_settime(clockid_t clk_id, const str...

全文閱讀

---

小時了了

12月 30, 2011

張千梅

kuso

The Clock Mini-HOWTO: How Linux Keeps Track of Time   你有沒有這種經驗？不到最後不知道原來他的底牌原來不是老Ｋ！ 這就是小時了了，大未必佳嗎？2. How Linux Keeps Track of Time 2.1 Basic Strategies A Linux system actually has two clocks: One is the battery powered "Real Time Clock" (also known as the "RTC", "CMOS clock", or "Hardware clock") which keeps track of time when the system is turned off...

全文閱讀

---

堂堂正正的軍人

12月 30, 2011

連元柳

kuso

c - Measure time in Linux - getrusage vs clock_gettime vs clock vs gettimeofday? - Stack Overflow   1 2 3！臥倒！@bobobobo I agree that OS X doesn't have clock_gettime(), however gettimeofday() unfortunately measures the wall-clock time. I updated my post to give this info. If ms precision is enough, then I recommend getrusage() as the best clock for use as a timer....

全文閱讀

---

---