From: Sam Moore Date: Sun, 6 Oct 2013 17:00:06 +0000 (+0800) Subject: Automatic commit of irc logs X-Git-Url: https://git.ucc.asn.au/?p=matches%2FMCTX3420.git;a=commitdiff_plain;h=522183cf7a5815ec321c22f51d3cdf0595694ae1 Automatic commit of irc logs --- diff --git a/irc/log b/irc/log index 52e0630..438cc0d 100644 --- a/irc/log +++ b/irc/log @@ -4240,3 +4240,110 @@ 13:17 -!- MctxBot [~twang@106-68-47-96.dyn.iinet.net.au] has joined #mctxuwa_softdev 18:06 < jtanx> now... to do some work on this gui 21:15 -!- jtanx [~asfa@106-68-47-96.dyn.iinet.net.au] has quit ["ChatZilla 0.9.90.1 [Firefox 24.0/20130910160258]"] +--- Day changed Sun Oct 06 2013 +08:52 -!- jtanx [~asfa@106-68-47-96.dyn.iinet.net.au] has joined #mctxuwa_softdev +11:17 < jtanx> slight problem: http://i.imgur.com/D28SHaQ.png +11:17 < jtanx> 100% cpu usage on idle +11:18 < jtanx> that memory usage too doesn't look too healthy +11:18 < sam_moore> Damn +11:20 < jtanx> I also probably figured out why valgrind crashes with the --trace-origins option - not enough memory on my system :P +11:30 < jtanx> It's probably because in read data all the cases except one have a sleep in them +11:31 < sam_moore> I'd say so +11:31 < sam_moore> There are like 8 threads +11:31 < sam_moore> We don't need 8 threads +11:39 < sam_moore> Are you in G19? +11:39 < jtanx> no +11:40 < sam_moore> Alright +11:40 < sam_moore> I suppose I should do some work on this +11:40 < sam_moore> CITS3003 is funner though +11:40 < sam_moore> I'll look into the performance issues +11:41 < jtanx> hehe +11:42 < sam_moore> My "Incident" with UWA IS is now Moderate Priority +11:42 < sam_moore> It's been assigned! +11:42 < sam_moore> I suppose I should wait for this guy to email me and say "What the hell are you on about?" +11:42 < sam_moore> (Re: Using Pheme) +11:42 < sam_moore> They classified it as a "Request for service" +11:43 < sam_moore> Which I suppose is true, except they don't really have to do anything +11:43 < jtanx> o.o +11:44 < jtanx> I hope it goes through +11:44 < sam_moore> Yes, no one's going to do a user management system +11:44 < jtanx> Yep +11:44 < sam_moore> When people complain they have nothing to do though... +11:44 < sam_moore> That's like a semester of work right there +12:40 < sam_moore> um... that image you linked +12:40 < sam_moore> That's not actually running on the BeagleBone is it? +12:40 < sam_moore> Because on the BeagleBone +12:40 < sam_moore> It's like 0.7% +12:41 < sam_moore> Actually 0.3% CPU 1.1% memory +12:50 < jtanx> no +12:50 < jtanx> that's because there's a conditional #ifdef +12:50 < jtanx> beaglebone to sleep +12:50 < jtanx> I got that condition around the wrong way +12:50 < jtanx> Initially I thought you wanted to test the absolute maximum sampling rate on the BBB +12:53 < jtanx> I just updated the repo to really remove that pwm array reference +12:54 < jtanx> (about the cpu) It's because of this: https://github.com/szmoore/MCTX3420/blob/master/server/sensor.c#L257 +12:55 < jtanx> That ifdef should be removed anyway, just put in an unconditional sleep for 0.1s +12:55 < jtanx> then remove the individual sleeps from each sensor case +13:17 < sam_moore> Sure +13:17 < sam_moore> Light has been shed on the PWM thing +13:18 < sam_moore> They are using some RC circuit which I believe averages out the PWM to give you a constant signal +13:18 < sam_moore> I thought it was some kind of IC that took a PWM input +13:21 < jtanx> oh ok +13:22 < jtanx> yeah that's what I thought too +13:22 < jtanx> so no dac I guess +13:22 < jtanx> (dac ic that is) +13:24 < sam_moore> I have my doubts that electronics will be able to make this custom DAC +13:24 < sam_moore> And of course, no DAC means no Pressure control +13:24 < sam_moore> But oh well +13:24 < jtanx> ^_^ +13:24 < jtanx> homebrew DAC +13:25 < jtanx> how will this ever be calibrated +13:26 < sam_moore> We should probably include a calibration routine in software +13:27 < sam_moore> I'm looking a bit more into the RT linux stuff +13:27 < sam_moore> It doesn't look too crazy +13:27 < sam_moore> Our program pretty much looks the same +13:27 < sam_moore> With a function at initialisation to set it's priority and stuff +13:27 < sam_moore> But otherwise, you just use usleep, sleep, pthreads, everything as normal +13:28 < jtanx> ok +13:28 < jtanx> as long as it works on the bbb I guess +13:30 < sam_moore> I think I should port from gettimeofday to clock_gettime too +13:35 < sam_moore> https://rt.wiki.kernel.org/index.php/RT_PREEMPT_HOWTO +13:35 < sam_moore> I'll compile us a kernel and see if it works +13:46 -!- Callum [~chatzilla@106-69-25-112.dyn.iinet.net.au] has joined #mctxuwa_softdev +14:09 < sam_moore> Yeah, it looks like RT Linux won't work on the BBB +14:09 < sam_moore> Oh well +14:17 < jtanx> damn +15:34 < Callum> Hey guys, sorry i havent been in touch lately. done a bit of work on dilatometer but its not quite complete. Uploaded what iv done but i got a test i tomorrow i should go study for now +16:29 < jtanx> hahaha +16:30 < jtanx> interactive sbd +16:31 < jtanx> hmm dialatometer +16:45 < jtanx> Justin's idea with the system diagram was pretty good +16:55 < jtanx> test run: https://mctx.us.to:8043/test/ +16:55 < jtanx> no links yet +16:55 < jtanx> no descriptions either +16:55 < jtanx> logout when you're done +16:55 < jtanx> no auth so type anything you want in login field +17:24 < Callum> looks pretty good +17:27 -!- Rowan [~Rowan@130.95.133.71] has joined #mctxuwa_softdev +17:44 -!- MctxBot [~twang@106-68-47-96.dyn.iinet.net.au] has quit ["leaving"] +17:47 -!- MctxBot [~twang@106-68-47-96.dyn.iinet.net.au] has joined #mctxuwa_softdev +17:49 -!- MctxBot [~twang@106-68-47-96.dyn.iinet.net.au] has quit ["again"] +18:12 < jtanx> I stuffed up /etc/fstab and now the root filesystem is readonly :( +18:19 < jtanx> ...and I just wasted time booting off ubuntu 7.04, which doesn't support ext4... +18:30 -!- Callum_ [~chatzilla@106-69-19-128.dyn.iinet.net.au] has joined #mctxuwa_softdev +18:42 -!- Callum [~chatzilla@106-69-25-112.dyn.iinet.net.au] has quit [Ping timeout] +18:43 -!- Callum_ is now known as Callum +18:52 -!- MctxBot [~twang@106-68-47-96.dyn.iinet.net.au] has joined #mctxuwa_softdev +19:30 < jtanx> I've just enabled personal webspace for everyone +19:30 < jtanx> check your emails for details +19:35 -!- Callum [~chatzilla@106-69-19-128.dyn.iinet.net.au] has quit [EOF From client] +19:50 -!- Rowan [~Rowan@130.95.133.71] has quit [Ping timeout] +19:52 < jtanx> :( +21:11 < sam_moore> Cool +21:11 < sam_moore> Sorry, I'm trying to finish CITS3003 +21:14 -!- Rowan [~Rowan@106-68-70-204.dyn.iinet.net.au] has joined #mctxuwa_softdev +21:25 < jtanx> Yep no problem +21:38 < jtanx> nice: http://cssmenumaker.com +22:09 < jtanx> weird, getting http 500 when trying to access our github repo +23:16 -!- jtanx [~asfa@106-68-47-96.dyn.iinet.net.au] has quit ["ChatZilla 0.9.90.1 [Firefox 24.0/20130910160258]"] +23:27 -!- Rowan [~Rowan@106-68-70-204.dyn.iinet.net.au] has quit [EOF From client]