Hi, with Gregory we've worked on Xenomai implementation on AT91SAM9261-EK board. Here are our latency results : [run test] uclibc login: root # cd /usr/xenomai/bin/ # ./latency -p 500 -h [histogram] ---|--param|----range-|--samples HSD| min| 14 - 15 | 1 HSD| min| 15 - 16 | 2 HSD| min| 16 - 17 | 4 HSD| min| 17 - 18 | 25 HSD| min| 18 - 19 | 2 HSD| min| 19 - 20 | 1 HSD| min| 26 - 27 | 1 ---|--param|----range-|--samples HSD| avg| 14 - 15 | 1 HSD| avg| 15 - 16 | 2 HSD| avg| 16 - 17 | 11 HSD| avg| 17 - 18 | 47 HSD| avg| 18 - 19 | 17 HSD| avg| 19 - 20 | 22 HSD| avg| 20 - 21 | 37 HSD| avg| 21 - 22 | 25 HSD| avg| 22 - 23 | 9 HSD| avg| 23 - 24 | 43 HSD| avg| 24 - 25 | 8 HSD| avg| 25 - 26 | 41 HSD| avg| 26 - 27 | 23144 HSD| avg| 27 - 28 | 1084 HSD| avg| 28 - 29 | 91 HSD| avg| 29 - 30 | 35 HSD| avg| 30 - 31 | 24 HSD| avg| 31 - 32 | 10 HSD| avg| 32 - 33 | 16 HSD| avg| 33 - 34 | 22 HSD| avg| 34 - 35 | 19 HSD| avg| 35 - 36 | 6 HSD| avg| 36 - 37 | 7 HSD| avg| 37 - 38 | 4 HSD| avg| 38 - 39 | 6 HSD| avg| 39 - 40 | 1 HSD| avg| 40 - 41 | 13 HSD| avg| 41 - 42 | 7 HSD| avg| 42 - 43 | 1 HSD| avg| 43 - 44 | 11 HSD| avg| 44 - 45 | 16 HSD| avg| 45 - 46 | 3 HSD| avg| 46 - 47 | 7 HSD| avg| 47 - 48 | 4 HSD| avg| 48 - 49 | 11 HSD| avg| 49 - 50 | 5 HSD| avg| 50 - 51 | 5 HSD| avg| 51 - 52 | 7 HSD| avg| 52 - 53 | 6 HSD| avg| 53 - 54 | 9 HSD| avg| 54 - 55 | 53 HSD| avg| 55 - 56 | 94 HSD| avg| 56 - 57 | 132 HSD| avg| 57 - 58 | 11271 HSD| avg| 58 - 59 | 35072 HSD| avg| 59 - 60 | 598 HSD| avg| 60 - 61 | 156 HSD| avg| 61 - 62 | 52 HSD| avg| 62 - 63 | 28 HSD| avg| 63 - 64 | 33 HSD| avg| 64 - 65 | 7 HSD| avg| 65 - 66 | 2 HSD| avg| 66 - 67 | 2 HSD| avg| 67 - 68 | 7 HSD| avg| 68 - 69 | 3 HSD| avg| 69 - 70 | 1 HSD| avg| 70 - 71 | 1 HSD| avg| 71 - 72 | 2 HSD| avg| 72 - 73 | 14 HSD| avg| 73 - 74 | 31 HSD| avg| 76 - 77 | 2 HSD| avg| 79 - 80 | 7 HSD| avg| 80 - 81 | 153 HSD| avg| 81 - 82 | 25 ---|--param|----range-|--samples HSD| max| 61 - 62 | 2 HSD| max| 62 - 63 | 4 HSD| max| 63 - 64 | 9 HSD| max| 64 - 65 | 2 HSD| max| 65 - 66 | 2 HSD| max| 66 - 67 | 2 HSD| max| 67 - 68 | 3 HSD| max| 68 - 69 | 3 HSD| max| 69 - 70 | 1 HSD| max| 70 - 71 | 1 HSD| max| 71 - 72 | 1 HSD| max| 73 - 74 | 1 HSD| max| 80 - 81 | 1 HSD| max| 81 - 82 | 4 [results] HSH|--param|--samples-|--average--|---stddev-- HSS| min| 36| 17.056| 1.756 HSS| avg| 72583| 47.011| 15.153 HSS| max| 36| 67.194| 6.242 ---|------------|------------|------------|--------|------------------------- RTS| 14.501| 47.532| 81.368| 0| 00:00:37/00:00:37
We tried to run the tests under load, but it could be better to run them again with the same load as you. Could you say us which load test you launch during Latency tests ? Thanks Alexandre Bouin Adeneo 2, chemin du Ruisseau - BP21 69136 Ecully Cedex France Tel : +33-4 72 18 08 40 -----Message d'origine----- De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] la part de Gilles Chanteperdrix Envoyé : vendredi 13 avril 2007 10:54 À : Jose Pascual Cc : [email protected] Objet : Re: [Adeos-main] AT91SAM9261 adeos support for 2.6.19 kernel Jose Pascual wrote: > Hi Gilles, > > thank you for your answer, > > Could you send your benchmark results? (what mherz are your PLLA working? > and your Master Clock?)? I do not remember the PLLA setting, I know the master clock is set to 46 MHz. The user-space latencies were around 200 us under load, sometimes even greater than that. I do not remember if I had some debug options enabled, I will re-run some tests. -- Gilles Chanteperdrix _______________________________________________ Adeos-main mailing list [email protected] https://mail.gna.org/listinfo/adeos-main _______________________________________________ Adeos-main mailing list [email protected] https://mail.gna.org/listinfo/adeos-main
