From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,LOTS_OF_MONEY autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,88aaef9110656b58 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-10-12 07:49:04 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!skynet.be!skynet.be!newscon05.news.prodigy.com!newsmst01.news.prodigy.com!prodigy.com!postmaster.news.prodigy.com!newssvr30.news.prodigy.com.POSTED!not-for-mail From: "Pat Rogers" Newsgroups: comp.lang.ada References: <17cd177c.0110120321.3077bccf@posting.google.com> Subject: Re: CPU time for Win32 & GNAT X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Message-ID: NNTP-Posting-Host: 208.191.176.121 X-Complaints-To: abuse@prodigy.net X-Trace: newssvr30.news.prodigy.com 1002898102 ST000 208.191.176.121 (Fri, 12 Oct 2001 10:48:22 EDT) NNTP-Posting-Date: Fri, 12 Oct 2001 10:48:22 EDT Organization: Prodigy Internet http://www.prodigy.com X-UserInfo1: TSU[@SJGTZYQBQXYQ[OD]_HBWB]^PCPDLXUNNHDK@YUDUWYAKVUOPCW[ML\JXUCKVFDYZKBMSFX^OMSAFNTINTDDMVW[X\THOPXZRVOCJTUTPC\_JSBVX\KAOTBAJBVMZTYAKMNLDI_MFDSSOLXINH__FS^\WQGHGI^C@E[A_CF\AQLDQ\BTMPLDFNVUQ_VM Date: Fri, 12 Oct 2001 14:48:22 GMT Xref: archiver1.google.com comp.lang.ada:14415 Date: 2001-10-12T14:48:22+00:00 List-Id: "Ted Dennison" wrote in message news:tkDx7.26129$ev2.34679@www.newsranger.com... > In article , Pat Rogers > says... > > > >"Gautier" wrote in message > >news:17cd177c.0110120321.3077bccf@posting.google.com... > >> Does someone know how to obtain the CPU time (or a CPU > >> duration...) for Win32 (under GNAT) in a simple way ? > >> The program doesn't use tasking and no more resolution > >> than the one of Duration is needed for time spans. > >> I'm sure someone has a ready-made function in his/her toolbox... > > > >Better yet, why not use the Pentium ReadTimeStampCounter (RDTSC) > >instruction? It samples the register that keeps a count of the number of > >clock cycles since boot-up. Given the exact clock speed you can compute > >exactly how much time has elapsed between two samples. > > I think he wants elapsed CPU time for his process, not for the whole system. > That would essentially just give him wall time (really really precise wall > time). > > Is that instruction avalilable in ring 3? I can't say. (I know I can trust you -- I just don't know! :-)