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2023-03-24 - 03:58

x86 Intel Atom Z530 @1600 MHz, Linux 3.12.61-rt81 (Profile)

Latency plot of system in rack #1, slot #8
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack1slot8.osadl.org (updated Fri Mar 24, 2023 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32276998954,874cyclictest0-21swapper/119:23:291
3227599802723,64cyclictest0-21swapper/019:23:300
3227599510432,72cyclictest32375-21cut19:10:020
3227699445387,31cyclictest0-21swapper/119:10:021
3151721400,3sleep131516-21sed22:40:341
211999900,4rtkit-daemon2118-21rtkit-daemon00:07:290
6562830,4sleep1654-21sadc20:50:011
211999820,4rtkit-daemon2118-21rtkit-daemon19:35:180
211999820,12rtkit-daemon0-21swapper/019:58:040
3227699798,53cyclictest0-21swapper/121:49:221
211999780,5rtkit-daemon2118-21rtkit-daemon20:16:541
211999760,4rtkit-daemon2118-21rtkit-daemon00:11:180
211999760,36rtkit-daemon2118-21rtkit-daemon21:58:561
211999750,4rtkit-daemon2118-21rtkit-daemon23:13:570
211999750,4rtkit-daemon2118-21rtkit-daemon00:37:140
211999740,4rtkit-daemon2118-21rtkit-daemon23:47:181
211999740,4rtkit-daemon2118-21rtkit-daemon22:44:320
211999740,4rtkit-daemon2118-21rtkit-daemon00:26:140
211999730,4rtkit-daemon2118-21rtkit-daemon21:19:450
211999730,4rtkit-daemon2118-21rtkit-daemon19:38:081
211999720,4rtkit-daemon2118-21rtkit-daemon23:43:180
211999720,4rtkit-daemon2118-21rtkit-daemon19:41:081
211999710,4rtkit-daemon2118-21rtkit-daemon20:09:040
211999710,4rtkit-daemon15001-21ssh23:06:270
211999700,4rtkit-daemon2118-21rtkit-daemon22:55:521
211999700,4rtkit-daemon2118-21rtkit-daemon19:48:540
211999700,4rtkit-daemon2118-21rtkit-daemon19:27:180
211999700,4rtkit-daemon2118-21rtkit-daemon19:18:231
211999700,21rtkit-daemon2118-21rtkit-daemon23:23:080
211999690,5rtkit-daemon2118-21rtkit-daemon21:41:550
211999690,4rtkit-daemon2118-21rtkit-daemon22:51:270
211999690,4rtkit-daemon2118-21rtkit-daemon21:33:201
211999690,4rtkit-daemon2118-21rtkit-daemon21:02:300
211999690,4rtkit-daemon2118-21rtkit-daemon19:52:191
211999680,4rtkit-daemon2118-21rtkit-daemon22:49:320
211999680,4rtkit-daemon2118-21rtkit-daemon20:36:040
211999680,4rtkit-daemon2118-21rtkit-daemon20:10:390
211999680,4rtkit-daemon2118-21rtkit-daemon20:01:080
211999680,4rtkit-daemon2118-21rtkit-daemon19:30:481
211999680,4rtkit-daemon2118-21rtkit-daemon00:16:091
211999680,3rtkit-daemon2118-21rtkit-daemon22:21:561
211999680,3rtkit-daemon2118-21rtkit-daemon21:37:251
211999670,4rtkit-daemon2118-21rtkit-daemon23:22:381
32275996635,26cyclictest0-21swapper/021:10:280
211999660,4rtkit-daemon2118-21rtkit-daemon20:59:001
211999660,4rtkit-daemon2118-21rtkit-daemon20:52:341
211999660,4rtkit-daemon2118-21rtkit-daemon00:12:441
211999660,3rtkit-daemon2118-21rtkit-daemon23:54:331
211999650,4rtkit-daemon2118-21rtkit-daemon23:16:470
211999640,4rtkit-daemon2118-21rtkit-daemon23:18:281
211999640,4rtkit-daemon2118-21rtkit-daemon20:34:191
211999630,3rtkit-daemon2118-21rtkit-daemon23:04:171
211999630,3rtkit-daemon2118-21rtkit-daemon20:26:041
32275996231,25cyclictest0-21swapper/023:45:320
211999620,4rtkit-daemon2118-21rtkit-daemon23:55:531
211999620,4rtkit-daemon2118-21rtkit-daemon21:55:550
211999620,3rtkit-daemon2118-21rtkit-daemon00:05:041
3227599616,48cyclictest0-21swapper/019:40:160
3227599615,50cyclictest0-21swapper/021:33:290
32275996131,24cyclictest0-21swapper/021:29:070
32275996125,20cyclictest0-21swapper/021:49:140
211999610,4rtkit-daemon2118-21rtkit-daemon00:04:541
211999610,3rtkit-daemon2118-21rtkit-daemon23:11:071
3227599606,47cyclictest0-21swapper/023:57:110
32275996023,20cyclictest0-21swapper/022:05:320
211999600,4rtkit-daemon2118-21rtkit-daemon22:07:561
211999600,4rtkit-daemon2118-21rtkit-daemon20:20:441
3227599595,42cyclictest0-21swapper/022:38:570
3227599586,33cyclictest0-21swapper/000:16:040
3227599586,30cyclictest0-21swapper/023:39:400
3227599585,46cyclictest0-21swapper/000:22:050
3227599585,37cyclictest0-21swapper/020:30:020
3227599585,35cyclictest0-21swapper/021:10:010
3227599585,34cyclictest0-21swapper/020:55:020
3227599584,48cyclictest0-21swapper/022:12:160
32275995834,18cyclictest0-21swapper/023:30:010
32275995829,23cyclictest0-21swapper/023:00:050
32275995827,25cyclictest0-21swapper/021:37:530
40372574,18sleep10-21swapper/122:49:561
3227599575,35cyclictest0-21swapper/000:00:010
3227599575,34cyclictest0-21swapper/020:50:020
32275995733,16cyclictest0-21swapper/022:19:330
32275995728,22cyclictest0-21swapper/022:00:230
25342570,3sleep12617-21rm21:55:011
211999570,5rtkit-daemon2118-21rtkit-daemon22:57:170
15522570,17sleep00-21swapper/021:52:300
3227599565,33cyclictest0-21swapper/022:25:010
32275995632,15cyclictest0-21swapper/022:30:490
32275995630,20cyclictest0-21swapper/021:20:200
32275995630,20cyclictest0-21swapper/000:32:560
211999560,4rtkit-daemon2118-21rtkit-daemon19:54:240
3227599555,43cyclictest0-21swapper/023:31:430
3227599555,36cyclictest0-21swapper/020:45:020
3227599555,35cyclictest0-21swapper/020:20:020
3227599554,42cyclictest0-21swapper/020:33:190
32275995533,16cyclictest0-21swapper/023:50:260
32275995533,16cyclictest0-21swapper/019:15:240
32275995515,33cyclictest0-21swapper/022:28:330
211999550,4rtkit-daemon2118-21rtkit-daemon22:50:021
180672554,12sleep10-21swapper/121:26:201
122872554,11sleep10-21swapper/121:17:071
3227599546,31cyclictest0-21swapper/020:21:580
3227599545,31cyclictest0-21swapper/021:00:020
32275995331,16cyclictest0-21swapper/019:13:390
297712534,12sleep10-21swapper/100:23:381
3227699525,40cyclictest0-21swapper/122:37:161
214462524,12sleep10-21swapper/120:14:511
20712524,12sleep10-21swapper/123:38:511
178752524,12sleep10-21swapper/120:02:121
160522524,12sleep10-21swapper/119:55:441
131072524,12sleep10-21swapper/119:49:181
70962514,12sleep10-21swapper/122:00:561
3227699515,39cyclictest0-21swapper/123:30:201
3227699515,39cyclictest0-21swapper/123:28:071
32275995128,16cyclictest0-21swapper/019:30:280
227942514,11sleep10-21swapper/122:26:371
61832504,12sleep10-21swapper/119:26:181
3227699504,40cyclictest0-21swapper/123:06:521
32276995019,24cyclictest0-21swapper/121:00:201
272862504,11sleep10-21swapper/121:41:171
152232500,4sleep115315-21gltestperf22:15:171
72112494,12sleep10-21swapper/121:07:591
3227699495,38cyclictest0-21swapper/120:41:511
3227699495,37cyclictest0-21swapper/123:42:271
26962494,11sleep10-21swapper/100:31:161
211999490,5rtkit-daemon2118-21rtkit-daemon22:30:311
3227699485,37cyclictest0-21swapper/121:21:121
142132484,11sleep10-21swapper/122:13:251
3227699475,35cyclictest0-21swapper/100:35:431
3227699474,39cyclictest0-21swapper/121:14:071
211999470,4rtkit-daemon2118-21rtkit-daemon20:39:591
3227699465,36cyclictest0-21swapper/100:29:221
13522464,11sleep10-21swapper/119:12:551
3227699454,36cyclictest0-21swapper/120:08:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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