From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755264Ab1ERHwt (ORCPT ); Wed, 18 May 2011 03:52:49 -0400 Received: from mail-qy0-f181.google.com ([209.85.216.181]:57524 "EHLO mail-qy0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754379Ab1ERHwr convert rfc822-to-8bit (ORCPT ); Wed, 18 May 2011 03:52:47 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=jxHutI4JsYrvbxEp9f14AWBbEOYVk19vgXXpD+1c8vOzH5Wgb0yu1AeWNXziOdVDMl hZ4ZKx1laYoOcA6j+r3M4zdCVsBS4Z32t8cDpR7gOdR4SrJalq948hNVzOA5aWYcad67 gLQQu/0GCGiTwNqPEjpk7nt+ZKdb5NABtNZqk= MIME-Version: 1.0 In-Reply-To: References: Date: Wed, 18 May 2011 09:52:46 +0200 X-Google-Sender-Auth: v1Me-o5TE6Iz93l5sGpZI0eBXd4 Message-ID: Subject: Re: merge of real-time 2.6.33.9-rt31 with stable 2.6.33.13 From: John Kacur To: Thomas Gleixner Cc: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 14, 2011 at 5:59 PM, John Kacur wrote: > > Hi Thomas > > I did some light testing merging 2.6.33.13 into real-time 2.6.33.9-rt31. > In addition I cherry-picked 3c955b407a084810f57260d61548cc92c14bc627 > in order to compile on newer distros. > > Please consider picking this up. You can get it from > git://git.kernel.org/pub/scm/linux/kernel/git/jkacur/jk-2.6.git rt/2.6.33 > > Thanks > > John Kacur > > Here is the result of cyclic test on one machine > sudo ./cyclictest -t32 -p 80 -n -i 10000 -l 10000 > policy: fifo: loadavg: 0.00 0.00 0.00 1/541 3759 > > T: 0 ( 3728) P:80 I:10000 C:  10000 Min:      7 Act:  104 Avg:  114 Max:     470 > T: 1 ( 3729) P:79 I:10500 C:   9524 Min:      4 Act:   93 Avg:  105 Max:     417 > T: 2 ( 3730) P:78 I:11000 C:   9091 Min:      4 Act:  114 Avg:  125 Max:     420 > T: 3 ( 3731) P:77 I:11500 C:   8696 Min:      4 Act:   58 Avg:   91 Max:     387 > T: 4 ( 3732) P:76 I:12000 C:   8333 Min:      4 Act:   84 Avg:  114 Max:     425 > T: 5 ( 3733) P:75 I:12500 C:   8000 Min:      4 Act:  133 Avg:  112 Max:     385 > T: 6 ( 3734) P:74 I:13000 C:   7692 Min:      3 Act:    8 Avg:   65 Max:     377 > T: 7 ( 3735) P:73 I:13500 C:   7407 Min:      3 Act:   91 Avg:   71 Max:     358 > T: 8 ( 3736) P:72 I:14000 C:   7143 Min:      4 Act:   78 Avg:   98 Max:     323 > T: 9 ( 3737) P:71 I:14500 C:   6897 Min:      7 Act:  133 Avg:  109 Max:     300 > T:10 ( 3738) P:70 I:15000 C:   6667 Min:      5 Act:  115 Avg:   98 Max:     314 > T:11 ( 3739) P:69 I:15500 C:   6452 Min:      3 Act:    6 Avg:   79 Max:     280 > T:12 ( 3740) P:68 I:16000 C:   6250 Min:      3 Act:   68 Avg:   80 Max:     317 > T:13 ( 3741) P:67 I:16500 C:   6061 Min:      4 Act:  142 Avg:   82 Max:     255 > T:14 ( 3742) P:66 I:17000 C:   5882 Min:      4 Act:  132 Avg:  102 Max:     253 > T:15 ( 3743) P:65 I:17500 C:   5714 Min:      4 Act:  135 Avg:  111 Max:     342 > T:16 ( 3744) P:64 I:18000 C:   5556 Min:      4 Act:   16 Avg:   37 Max:     315 > T:17 ( 3745) P:63 I:18500 C:   5405 Min:      3 Act:   12 Avg:   53 Max:     322 > T:18 ( 3746) P:62 I:19000 C:   5263 Min:      3 Act:   62 Avg:   37 Max:     250 > T:19 ( 3747) P:61 I:19500 C:   5128 Min:      3 Act:   65 Avg:   35 Max:     276 > T:20 ( 3748) P:60 I:20000 C:   5000 Min:      3 Act:  180 Avg:   81 Max:     295 > T:21 ( 3749) P:59 I:20500 C:   4878 Min:      3 Act:   76 Avg:   45 Max:     314 > T:22 ( 3750) P:58 I:21000 C:   4762 Min:      3 Act:  133 Avg:   38 Max:     265 > T:23 ( 3751) P:57 I:21500 C:   4651 Min:      3 Act:  132 Avg:   71 Max:     300 > T:24 ( 3752) P:56 I:22000 C:   4546 Min:      3 Act:    6 Avg:   57 Max:     227 > T:25 ( 3753) P:55 I:22500 C:   4445 Min:      3 Act:   72 Avg:   50 Max:     258 > T:26 ( 3754) P:54 I:23000 C:   4348 Min:      4 Act:   97 Avg:  106 Max:     335 > T:27 ( 3755) P:53 I:23500 C:   4255 Min:      3 Act:   67 Avg:   80 Max:     244 > T:28 ( 3756) P:52 I:24000 C:   4167 Min:      3 Act:    7 Avg:   26 Max:     232 > T:29 ( 3757) P:51 I:24500 C:   4082 Min:      3 Act:    6 Avg:   81 Max:     353 > T:30 ( 3758) P:50 I:25000 C:   4000 Min:      3 Act:   11 Avg:   31 Max:     418 > T:31 ( 3759) P:49 I:25500 C:   3922 Min:      3 Act:    6 Avg:   21 Max:     433 Yeah, the numbers are a bit weird. I unfortunately choose odd hardware to report numbers on, since it is known to have problems with -rt. It was more a correctness test than an -rt performance test. However, here are the numbers with 2.6.33.9-rt31 to compare and contrast. uname -r 2.6.33.9-rt31-00001-g76582bb sudo ./cyclictest -t32 -p 80 -n -i 10000 -l 10000 policy: fifo: loadavg: 0.10 0.31 0.15 1/543 3471 T: 0 ( 3440) P:80 I:10000 C: 5442 Min: 4 Act: 88 Avg: 138 Max: 486 T: 1 ( 3441) P:79 I:10500 C: 5183 Min: 6 Act: 70 Avg: 133 Max: 462 T: 2 ( 3442) P:78 I:11000 C: 4947 Min: 4 Act: 86 Avg: 127 Max: 399 T: 3 ( 3443) P:77 I:11500 C: 4732 Min: 5 Act: 120 Avg: 105 Max: 368 T: 4 ( 3444) P:76 I:12000 C: 4535 Min: 5 Act: 90 Avg: 126 Max: 424 T: 5 ( 3445) P:75 I:12500 C: 4354 Min: 4 Act: 89 Avg: 113 Max: 419 T: 6 ( 3446) P:74 I:13000 C: 4186 Min: 4 Act: 14 Avg: 89 Max: 428 T: 7 ( 3447) P:73 I:13500 C: 4031 Min: 3 Act: 9 Avg: 55 Max: 402 T: 8 ( 3448) P:72 I:14000 C: 3887 Min: 3 Act: 84 Avg: 65 Max: 375 T: 9 ( 3449) P:71 I:14500 C: 3753 Min: 4 Act: 68 Avg: 101 Max: 271 T:10 ( 3450) P:70 I:15000 C: 3628 Min: 3 Act: 130 Avg: 82 Max: 334 T:11 ( 3451) P:69 I:15500 C: 3511 Min: 3 Act: 110 Avg: 79 Max: 310 T:12 ( 3452) P:68 I:16000 C: 3401 Min: 3 Act: 9 Avg: 71 Max: 280 T:13 ( 3453) P:67 I:16500 C: 3298 Min: 3 Act: 7 Avg: 70 Max: 255 T:14 ( 3454) P:66 I:17000 C: 3201 Min: 5 Act: 112 Avg: 97 Max: 296 T:15 ( 3455) P:65 I:17500 C: 3110 Min: 4 Act: 69 Avg: 92 Max: 312 T:16 ( 3456) P:64 I:18000 C: 3023 Min: 4 Act: 138 Avg: 94 Max: 311 T:17 ( 3457) P:63 I:18500 C: 2942 Min: 4 Act: 86 Avg: 108 Max: 289 T:18 ( 3458) P:62 I:19000 C: 2864 Min: 3 Act: 15 Avg: 31 Max: 335 T:19 ( 3459) P:61 I:19500 C: 2791 Min: 4 Act: 71 Avg: 89 Max: 274 T:20 ( 3460) P:60 I:20000 C: 2721 Min: 4 Act: 8 Avg: 74 Max: 287 T:21 ( 3461) P:59 I:20500 C: 2655 Min: 3 Act: 68 Avg: 62 Max: 339 T:22 ( 3462) P:58 I:21000 C: 10000 Min: 3 Act: 186 Avg: 94 Max: 407 T:23 ( 3463) P:57 I:21500 C: 10000 Min: 3 Act: 93 Avg: 64 Max: 373 T:24 ( 3464) P:56 I:22000 C: 10000 Min: 4 Act: 132 Avg: 82 Max: 356 T:25 ( 3465) P:55 I:22500 C: 10000 Min: 3 Act: 133 Avg: 93 Max: 323 T:26 ( 3466) P:54 I:23000 C: 10000 Min: 3 Act: 97 Avg: 64 Max: 333 T:27 ( 3467) P:53 I:23500 C: 10000 Min: 3 Act: 134 Avg: 70 Max: 320 T:28 ( 3468) P:52 I:24000 C: 10000 Min: 3 Act: 123 Avg: 59 Max: 226 T:29 ( 3469) P:51 I:24500 C: 10000 Min: 3 Act: 143 Avg: 73 Max: 241 T:30 ( 3470) P:50 I:25000 C: 10000 Min: 3 Act: 15 Avg: 82 Max: 241 T:31 ( 3471) P:49 I:25500 C: 10000 Min: 3 Act: 10 Avg: 49 Max: 294