2007/5/23, manoj kumar <[EMAIL PROTECTED]>: > Hi, > > i am runnigthe latency test on i386 platform with 1 GB ram and intel pentium > 4 runnig at 2.66GHz . i am getting some negative values as lat best and avg. > The results are as below > > > User space interrupt latency output > > == Sampling period: 10000 us > > == Test mode: periodic user-mode task > > == All results in microseconds > > warming up... > > RTT| 00:00:01 (periodic user-mode task, 10000 us period, priority 99) > > RTH|-----lat min|-----lat avg|-----lat max|-overrun|----lat best|---lat > worst > > RTD| -1.775| -1.374| 0.953| 0| -1.775| > 0.953 > > RTD| -1.790| -1.355| 3.142| 0| -1.790| > 3.142 > > RTD| -1.812| -1.266| 4.158| 0| -1.812| > 4.158 > > RTD| -1.797| -1.272| 6.602| 0| -1.812| > 6.602 > > RTD| -1.764| -1.365| 0.575| 0| -1.812| > 6.602 > > RTD| -1.895| -1.370| 0.859| 0| -1.895| > 6.602 > > RTD| -1.857| -1.421| 0.908| 0| -1.895| > 6.602 > > RTD| -1.782| -1.293| 5.845| 0| -1.895| > 6.602 > > RTD| -1.929| -1.362| 1.204| 0| -1.929| > 6.602 > > RTD| -1.775| -1.359| 0.844| 0| -1.929| > 6.602 > > RTD| -1.794| -1.346| 0.724| 0| -1.929| > 6.602 > > RTD| -1.756| -1.318| 1.021| 0| -1.929| > 6.602 > > RTD| -1.775| -1.269| 8.064| 0| -1.929| > 8.064 > > RTD| -1.805| -1.395| 0.893| 0| -1.929| > 8.064 > > RTD| -1.779| 1.530| 281.147| 0| -1.929| > 281.147 > > RTD| -1.959| -1.362| 1.118| 0| -1.959| > 281.147 > Could any figure out why these negative values are coming and reason behind > that and how i can avoid these. > > is it a configuration issuse.
You have to calibrate xenomai by feeding with your average latency /proc/xenomai/latency > > Thanks & regards > Manoj -- Gregory CLEMENT Adeneo 2, chemin du Ruisseau - BP21 69136 Ecully Cedex France Tel : +33-4 72 18 08 40 _______________________________________________ Xenomai-core mailing list [email protected] https://mail.gna.org/listinfo/xenomai-core
