>Is this on the same hardware? That make a huge difference. Some >systems cannot use the cache, but if they can it makes a huge >difference. Exactly... That was my reason for the question(s). This is not the same system and so I'm trying to figure out what's going on. Is there a way to tell if the cache is working or if the system isn't capable of using it? -mark
> >> While I can't swear to it, I'm pretty sure back in the RHEL4 timeframe >when I first started using this, I could do 720 iterations (the >equivalent of once/2mins) w/ cache in under a minute. >> >> -mark >> >> >>> -----Original Message----- >>> From: Corey Minyard [mailto:miny...@acm.org] >>> Sent: Friday, March 26, 2010 8:43 AM >>> To: Seger, Mark >>> Cc: Ipmitool-devel@lists.sourceforge.net >>> Subject: Re: [Ipmitool-devel] performance questions >>> >>> Seger, Mark wrote: >>> >>>>> Has the OS version changed? Maybe a driver change caused it. Or if >>>>> >>> you >>> >>>>> are running over the LAN, maybe networking changes? >>>>> >>>>> >>>> Unfortunately I haven't a clue. This is standard RHEL5.3 so >>>> >>> everything is off-the-shelf. As for the communications path, I'm >only >>> talking to the local machine. >>> >>> Hmm, doesn't make much sense. Perhaps this has something to do with >the >>> event log? As it fills up, going through the events may slow down. >I >>> can't think of anything else, the driver shouldn't have changed. >>> >>> -corey >>> >>> >>>> -mark >>>> >>>> >>>> >>>>> Seger, Mark wrote: >>>>> >>>>> >>>>>> I've been using ipmitool inside my collectl monitoring tool for >some >>>>>> time now and it's been fairly efficient, thanks to some >>>>>> >>> optimizations >>> >>>>>> from this mailing list. However I've recently noticed it's gotten >>>>>> >>> much >>> >>>>>> slower and I don't know if something has changed OR if it's the >>>>>> >>> actual >>> >>>>>> hardware architecture that's doing this. >>>>>> >>>>>> Specifically I'm running 1.8.10 >>>>>> >>>>>> Before running it I do: >>>>>> >>>>>> ipmitool sdr dump xxx >>>>>> >>>>>> followed by >>>>>> >>>>>> ipmitool -S xxx sdr >>>>>> >>>>>> while it's using very little cpu time, it IS using a lot of >elapsed >>>>>> time which makes me wonder if it is something about the system >>>>>> configuration. I do know for a fact that when I first started >using >>>>>> >>> it >>> >>>>>> with the cache, the cache I was able to get the runtimes much >lower. >>>>>> >>>>>> My reason for asking is I do a mix of monitoring activities with >>>>>> collectl and gather the ipmi data only every couple of minutes, >but >>>>>> >>> I >>> >>>>>> something use a monitoring interval of 1 second for the other data >>>>>> >>> and >>> >>>>>> the slowness of ipmitool prevents this. If it is what it is, so be >>>>>> >>> it >>> >>>>>> but I just want to make sure it's not me. >>>>>> >>>>>> -mark >>>>>> >>>>>> >>>>>> >>>> >> >> ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Ipmitool-devel mailing list Ipmitool-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ipmitool-devel