Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!apple!uokmax!servalan!epmooch!ben From: ben@epmooch.UUCP (Rev. Ben A. Mesander) Newsgroups: comp.sys.amiga.programmer Subject: Re: Amiga system usage statistics (AmigaDOS 1.3) Message-ID: Date: 25 Mar 91 23:24:13 GMT References: <1991Mar25.161731.29334@odin.diku.dk> Lines: 27 >In article <1991Mar25.161731.29334@odin.diku.dk> bombadil@diku.dk (Kristian Nielsen) writes: [...] >Xoper, including the full source code (in >100k assembler) is available on >the fish series. From a brief look-over it would sem that it hooks into the >exec.library Switch() system call. This, however is less than >well-documented in the RMK's (probably for a good reason, but still...) I've noticed that Perfmon seems to use a very low priority task to compute such things (priority -100)? >BTW, I suspect that Xoper isn't that accurate in its timings... On my GVP >28Mhz 3001 it likes to report that input.device is using about 40% of >CPU-time at full load (ray-tracing or similar). I really don't hope that >this is the case! (and if it is, how is a stock A500/2000 to run at all??) >Any comments on this? I've noticed that the amount of CPU usage by input.device varies from almost nothing to 40% of the CPU with things such as screen resolution. I'm not sure everything input.device does, but perhaps some non-obvious things are being accounted to it. I'm not sure what... > Kristian. -- | ben@epmooch.UUCP (Ben Mesander) | "Cash is more important than | | ben%servalan.UUCP@uokmax.ecn.uoknor.edu | your mother." - Al Shugart, | | !chinet!uokmax!servalan!epmooch!ben | CEO, Seagate Technologies |