From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <5590E4E4.6030101@web.de> Date: Mon, 29 Jun 2015 08:25:40 +0200 From: Jan Kiszka MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Subject: Re: [Xenomai] CyclicTest query on Xenomai List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Madan Sondur , xenomai@xenomai.org On 2015-06-29 07:33, Madan Sondur wrote: > Hi, > Any inputs will be greatly appreciated, Apply proper load on Linux (e.g. via xeno-test) and run the tests over a much longer period to get relevant results. Jan > = > Thanks > M > = > On Fri, Jun 26, 2015 at 11:46 AM, Madan Sondur > wrote: > = >> Hi , >> >> I have installed Xenomai 2.6.4 on Ubuntu 12.04 64 bit. >> >> Linux Madan 3.8.13-xenomai-2.6.4 #2 SMP Wed Jun 24 11:22:01 IST 2015 >> x86_64 x86_64 x86_64 GNU/Linux >> >> After successfull installation, i am getting varied results with >> cyclictest present in /usr/xenomai/bin folder and the one in the rt-tests >> which i downloaded. >> >> pi_stress is used in background to stress the system. >> >> Xenomai cyclictest takes a lot of time to complete other threads, where = as >> the first one completes quickly. This is exactly the opposite if i run t= he >> cyclictest, first thread completes and the test stops. >> >> 1) is my observation correct? I may be missing some understanding here.? >> >> 2) This is done in Core i7, the difference in latencies with and without >> xenomai are noticeable but not significant, Is this correct ? >> >> 3) I trying to have Hard real time System with minimal latencies ? >> >> Below are output results. >> >> Can you please help. >> >> >> ------------------------------------------------------------------------= ------------------------ >> Linux Madan 3.8.13-xenomai-2.6.4 #2 SMP Wed Jun 24 11:22:01 IST 2015 >> x86_64 x86_64 x86_64 GNU/Linux >> >> root@Madan:/usr/xenomai/bin#/home/mymo/MADAN_Xeno/rt-tests/cyclictest -t >> 21 -p 80 -i 5000 -l 5000 >> # /dev/cpu_dma_latency set to 0us >> policy: fifo: loadavg: 0.00 0.01 0.01 1/405 2756 >> >> T: 0 ( 2736) P:80 I:5000 C: 5000 Min: 2 Act: 5 Avg: 3 >> Max: 24 >> T: 1 ( 2737) P:80 I:5500 C: 4546 Min: 1 Act: 2 Avg: 2 >> Max: 18 >> T: 2 ( 2738) P:80 I:6000 C: 4167 Min: 2 Act: 2 Avg: 2 >> Max: 26 >> T: 3 ( 2739) P:80 I:6500 C: 3847 Min: 1 Act: 2 Avg: 2 >> Max: 20 >> T: 4 ( 2740) P:80 I:7000 C: 3572 Min: 1 Act: 3 Avg: 2 >> Max: 16 >> T: 5 ( 2741) P:80 I:7500 C: 3334 Min: 2 Act: 2 Avg: 2 >> Max: 20 >> T: 6 ( 2742) P:80 I:8000 C: 3125 Min: 1 Act: 4 Avg: 2 >> Max: 21 >> T: 7 ( 2743) P:80 I:8500 C: 2942 Min: 1 Act: 2 Avg: 3 >> Max: 18 >> T: 8 ( 2744) P:80 I:9000 C: 2778 Min: 1 Act: 3 Avg: 2 >> Max: 16 >> T: 9 ( 2745) P:80 I:9500 C: 2632 Min: 1 Act: 3 Avg: 2 >> Max: 13 >> T:10 ( 2746) P:80 I:10000 C: 2500 Min: 2 Act: 3 Avg: 2 >> Max: 26 >> T:11 ( 2747) P:80 I:10500 C: 2381 Min: 1 Act: 3 Avg: 2 >> Max: 14 >> T:12 ( 2748) P:80 I:11000 C: 2273 Min: 2 Act: 3 Avg: 2 >> Max: 19 >> T:13 ( 2749) P:80 I:11500 C: 2174 Min: 2 Act: 3 Avg: 2 >> Max: 18 >> T:14 ( 2750) P:80 I:12000 C: 2083 Min: 2 Act: 3 Avg: 2 >> Max: 13 >> T:15 ( 2751) P:80 I:12500 C: 2000 Min: 2 Act: 3 Avg: 2 >> Max: 17 >> T:16 ( 2752) P:80 I:13000 C: 1923 Min: 2 Act: 3 Avg: 2 >> Max: 9 >> T:17 ( 2753) P:80 I:13500 C: 1852 Min: 2 Act: 3 Avg: 3 >> Max: 17 >> T:18 ( 2754) P:80 I:14000 C: 1786 Min: 1 Act: 3 Avg: 2 >> Max: 11 >> T:19 ( 2755) P:80 I:14500 C: 1724 Min: 2 Act: 3 Avg: 3 >> Max: 21 >> T:20 ( 2756) P:80 I:15000 C: 1667 Min: 2 Act: 3 Avg: 2 >> Max: 8 >> >> >> root@Madan:/usr/xenomai/bin# ./xeno cyclictest -t 21 -p 80 -i 5000 -l 50= 00 >> 0.01 0.01 0.01 1/410 2708 >> >> T: 0 ( 2688) P:80 I: 5000 C: 5000 Min: -2 Act: -2 >> Avg: 0 Max: 12 >> T: 1 ( 2689) P:79 I: 505000 C: 120 Min: 0 Act: 7 >> Avg: 0 Max: 9 >> T: 2 ( 2690) P:78 I: 1005000 C: 60 Min: 0 Act: 2 >> Avg: 0 Max: 11 >> T: 3 ( 2691) P:77 I: 1505000 C: 40 Min: 0 Act: 2 >> Avg: 0 Max: 13 >> T: 4 ( 2692) P:76 I: 2005000 C: 30 Min: 0 Act: 0 >> Avg: 0 Max: 15 >> T: 5 ( 2693) P:75 I: 2505000 C: 24 Min: 0 Act: 0 >> Avg: 0 Max: 16 >> T: 6 ( 2694) P:74 I: 3005000 C: 20 Min: 0 Act: 0 >> Avg: 0 Max: 19 >> T: 7 ( 2695) P:73 I: 3505000 C: 18 Min: 0 Act: 0 >> Avg: 1 Max: 21 >> T: 8 ( 2696) P:72 I: 4005000 C: 16 Min: 0 Act: 0 >> Avg: 1 Max: 23 >> T: 9 ( 2697) P:71 I: 4505000 C: 14 Min: 0 Act: 0 >> Avg: 2 Max: 24 >> T:10 ( 2698) P:70 I: 5005000 C: 12 Min: 0 Act: 2 >> Avg: 2 Max: 26 >> T:11 ( 2699) P:69 I: 5505000 C: 12 Min: 0 Act: 2 >> Avg: 2 Max: 28 >> T:12 ( 2700) P:68 I: 6005000 C: 10 Min: 0 Act: 0 >> Avg: 3 Max: 30 >> T:13 ( 2701) P:67 I: 6505000 C: 10 Min: 1 Act: 1 >> Avg: 3 Max: 32 >> T:14 ( 2702) P:66 I: 7005000 C: 10 Min: 0 Act: 0 >> Avg: 3 Max: 34 >> T:15 ( 2703) P:65 I: 7505000 C: 8 Min: 0 Act: 2 >> Avg: 4 Max: 36 >> T:16 ( 2704) P:64 I: 8005000 C: 8 Min: 0 Act: 1 >> Avg: 5 Max: 38 >> T:17 ( 2705) P:63 I: 8505000 C: 8 Min: 0 Act: 1 >> Avg: 5 Max: 40 >> T:18 ( 2706) P:62 I: 9005000 C: 8 Min: 0 Act: 0 >> Avg: 5 Max: 42 >> T:19 ( 2707) P:61 I: 9505000 C: 8 Min: 0 Act: 0 >> Avg: 5 Max: 44 >> T:20 ( 2708) P:60 I:10005000 C: 6 Min: 3 Act: 3 >> Avg: 8 Max: 46 >> >> This never stops, T0 completes quickly but not others >> >> >> ------------------------------------------------------------------------= ------------------------ >> Linux Madan 3.13.0-32-generic #57~precise1-Ubuntu SMP Tue Jul 15 03:51:20 >> UTC 2014 x86_64 x86_64 x86_64 GNU/Linux >> >> root@Madan:/home/mymo/MADAN_Xeno/rt-tests# ./cyclictest -t 21 -p 80 -i >> 5000 -l 5000 >> # /dev/cpu_dma_latency set to 0us >> policy: fifo: loadavg: 14.44 5.11 1.85 20/444 2835 >> >> T: 0 ( 2815) P:80 I:5000 C: 5000 Min: 2 Act: 3 Avg: 3 >> Max: 18 >> T: 1 ( 2816) P:80 I:5500 C: 4541 Min: 2 Act: 3 Avg: 3 >> Max: 21 >> T: 2 ( 2817) P:80 I:6000 C: 4163 Min: 2 Act: 3 Avg: 3 >> Max: 315 >> T: 3 ( 2818) P:80 I:6500 C: 3843 Min: 2 Act: 3 Avg: 3 >> Max: 12 >> T: 4 ( 2819) P:80 I:7000 C: 3568 Min: 2 Act: 2 Avg: 3 >> Max: 20 >> T: 5 ( 2820) P:80 I:7500 C: 3330 Min: 2 Act: 3 Avg: 3 >> Max: 14 >> T: 6 ( 2821) P:80 I:8000 C: 3122 Min: 2 Act: 3 Avg: 3 >> Max: 366 >> T: 7 ( 2822) P:80 I:8500 C: 2938 Min: 2 Act: 3 Avg: 3 >> Max: 11 >> T: 8 ( 2823) P:80 I:9000 C: 2775 Min: 2 Act: 3 Avg: 3 >> Max: 15 >> T: 9 ( 2824) P:80 I:9500 C: 2629 Min: 2 Act: 3 Avg: 3 >> Max: 28 >> T:10 ( 2825) P:80 I:10000 C: 2497 Min: 2 Act: 2 Avg: 3 >> Max: 15 >> T:11 ( 2826) P:80 I:10500 C: 2379 Min: 2 Act: 2 Avg: 3 >> Max: 13 >> T:12 ( 2827) P:80 I:11000 C: 2270 Min: 2 Act: 4 Avg: 3 >> Max: 14 >> T:13 ( 2828) P:80 I:11500 C: 2172 Min: 2 Act: 3 Avg: 3 >> Max: 15 >> T:14 ( 2829) P:80 I:12000 C: 2081 Min: 2 Act: 3 Avg: 4 >> Max: 469 >> T:15 ( 2830) P:80 I:12500 C: 1998 Min: 2 Act: 2 Avg: 3 >> Max: 15 >> T:16 ( 2831) P:80 I:13000 C: 1921 Min: 2 Act: 3 Avg: 3 >> Max: 30 >> T:17 ( 2832) P:80 I:13500 C: 1850 Min: 2 Act: 3 Avg: 3 >> Max: 14 >> T:18 ( 2833) P:80 I:14000 C: 1784 Min: 2 Act: 3 Avg: 3 >> Max: 15 >> T:19 ( 2834) P:80 I:14500 C: 1722 Min: 2 Act: 3 Avg: 3 >> Max: 13 >> T:20 ( 2835) P:80 I:15000 C: 1665 Min: 2 Act: 2 Avg: 3 >> Max: 11 >> >> >> >> Thanks >> >> M >> -------------- next part -------------- A non-text attachment was scrubbed... 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