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2025-11-26 - 03:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 the 376 highest latencies:
System rack1slot8.osadl.org (updated Wed Nov 26, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1938199887806,55cyclictest0-21swapper/019:11:470
1938299811728,58cyclictest0-21swapper/119:11:471
192172711690,14sleep10-21swapper/119:08:471
190692460435,16sleep00-21swapper/019:07:160
1938199440388,10cyclictest20212-21sendmail_mailtr21:45:260
1938299945,65cyclictest0-21swapper/122:34:581
216899910,3rtkit-daemon2167-21rtkit-daemon00:00:091
216899870,18rtkit-daemon2167-21rtkit-daemon23:00:031
19381998713,67cyclictest0-21swapper/022:17:590
19381998713,67cyclictest0-21swapper/022:17:590
216899820,4rtkit-daemon2167-21rtkit-daemon21:17:401
216899800,3rtkit-daemon2167-21rtkit-daemon22:04:571
216899790,3rtkit-daemon2167-21rtkit-daemon23:39:391
216899780,5rtkit-daemon2167-21rtkit-daemon21:55:021
19381997857,15cyclictest0-21swapper/000:11:590
19381997822,40cyclictest0-21swapper/022:02:000
19381997813,55cyclictest0-21swapper/021:02:000
216899770,5rtkit-daemon2167-21rtkit-daemon00:11:041
216899770,4rtkit-daemon2167-21rtkit-daemon21:40:211
216899760,4rtkit-daemon2167-21rtkit-daemon23:46:190
216899740,4rtkit-daemon2167-21rtkit-daemon22:37:231
216899740,4rtkit-daemon2167-21rtkit-daemon21:47:201
19382997410,53cyclictest0-21swapper/120:33:001
19381997411,48cyclictest0-21swapper/019:16:590
216899730,4rtkit-daemon2167-21rtkit-daemon21:10:351
216899730,3rtkit-daemon2167-21rtkit-daemon22:29:070
19381997361,6cyclictest26801-21ssh21:57:000
216899720,4rtkit-daemon2167-21rtkit-daemon23:50:591
216899720,4rtkit-daemon2167-21rtkit-daemon19:40:201
19382997233,25cyclictest0-21swapper/121:59:581
19381997220,34cyclictest0-21swapper/022:40:590
216899710,4rtkit-daemon2167-21rtkit-daemon22:20:210
216899710,4rtkit-daemon2167-21rtkit-daemon21:33:060
216899710,4rtkit-daemon2167-21rtkit-daemon00:24:091
216899710,4rtkit-daemon2167-21rtkit-daemon00:00:330
216899710,3rtkit-daemon2167-21rtkit-daemon00:20:001
73992700,3sleep113-21rcu_preempt23:15:171
216899700,4rtkit-daemon2167-21rtkit-daemon23:50:530
216899700,4rtkit-daemon2167-21rtkit-daemon23:35:040
216899700,4rtkit-daemon2167-21rtkit-daemon22:23:561
216899700,4rtkit-daemon2167-21rtkit-daemon20:30:140
216899700,4rtkit-daemon2167-21rtkit-daemon19:37:151
216899700,3rtkit-daemon2167-21rtkit-daemon20:06:491
216899700,3rtkit-daemon2167-21rtkit-daemon19:20:501
19381997020,36cyclictest0-21swapper/019:55:590
19381997014,38cyclictest0-21swapper/023:57:110
216899690,4rtkit-daemon2167-21rtkit-daemon23:12:520
216899690,4rtkit-daemon2167-21rtkit-daemon21:31:111
216899690,4rtkit-daemon2167-21rtkit-daemon20:53:351
216899690,3rtkit-daemon2167-21rtkit-daemon23:34:041
216899690,3rtkit-daemon2167-21rtkit-daemon23:26:341
216899690,3rtkit-daemon2167-21rtkit-daemon20:25:591
19382996916,37cyclictest0-21swapper/120:42:591
19381996928,15cyclictest24012-21munin-run00:40:000
19381996918,34cyclictest0-21swapper/020:04:590
19381996916,45cyclictest0-21swapper/023:22:580
216899680,5rtkit-daemon2167-21rtkit-daemon21:20:060
216899680,4rtkit-daemon2167-21rtkit-daemon23:43:230
216899680,4rtkit-daemon2167-21rtkit-daemon23:41:441
216899680,4rtkit-daemon2167-21rtkit-daemon23:30:530
216899680,4rtkit-daemon2167-21rtkit-daemon00:38:401
216899680,4rtkit-daemon2167-21rtkit-daemon00:08:500
216899680,4rtkit-daemon2167-21rtkit-daemon00:08:500
216899680,3rtkit-daemon2167-21rtkit-daemon21:26:451
216899680,3rtkit-daemon2167-21rtkit-daemon20:35:291
216899680,3rtkit-daemon2167-21rtkit-daemon20:04:201
216899680,3rtkit-daemon2167-21rtkit-daemon00:30:041
19382996821,40cyclictest0-21swapper/122:08:591
19381996837,23cyclictest0-21swapper/022:12:520
19381996830,29cyclictest0-21swapper/021:50:230
19381996828,25cyclictest18123-21latency_hist00:30:000
19381996820,39cyclictest0-21swapper/021:25:190
216899670,4rtkit-daemon2167-21rtkit-daemon22:05:370
216899670,3rtkit-daemon2167-21rtkit-daemon22:46:131
216899670,3rtkit-daemon2167-21rtkit-daemon00:28:451
19382996717,28cyclictest0-21swapper/123:48:001
19382996716,32cyclictest0-21swapper/121:05:591
19381996743,18cyclictest26746-21runrttasks22:52:580
19381996736,24cyclictest0-21swapper/022:34:040
19381996719,35cyclictest0-21swapper/023:19:590
216899660,4rtkit-daemon2167-21rtkit-daemon23:26:190
216899660,4rtkit-daemon2167-21rtkit-daemon23:07:331
216899660,4rtkit-daemon2167-21rtkit-daemon21:15:410
19382996614,33cyclictest0-21swapper/119:28:591
19382996612,38cyclictest0-21swapper/120:21:591
19381996617,32cyclictest0-21swapper/020:47:000
19381996616,34cyclictest0-21swapper/020:18:590
19381996616,33cyclictest0-21swapper/020:28:000
19381996610,38cyclictest0-21swapper/000:30:230
216899650,3rtkit-daemon2167-21rtkit-daemon22:17:271
216899650,3rtkit-daemon2167-21rtkit-daemon22:17:261
216899650,3rtkit-daemon2167-21rtkit-daemon20:15:041
19381996516,35cyclictest0-21swapper/020:11:590
216899640,4rtkit-daemon2167-21rtkit-daemon23:02:070
216899640,4rtkit-daemon2167-21rtkit-daemon21:14:360
216899640,4rtkit-daemon2167-21rtkit-daemon19:55:201
216899640,3rtkit-daemon26741-21munin-node19:30:140
216899640,11rtkit-daemon0-21swapper/022:29:121
19382996413,35cyclictest0-21swapper/121:21:591
19382996410,37cyclictest0-21swapper/119:47:001
155582640,4sleep041ktimersoftd/021:38:170
216899630,4rtkit-daemon2167-21rtkit-daemon19:37:250
19382996315,35cyclictest0-21swapper/122:50:591
19381996333,23cyclictest0-21swapper/023:05:230
19381996323,18cyclictest0-21swapper/022:50:010
19381996316,29cyclictest0-21swapper/020:59:000
19381996315,33cyclictest0-21swapper/000:21:590
19381996313,34cyclictest0-21swapper/020:52:000
216899620,4rtkit-daemon2167-21rtkit-daemon21:38:201
1938299626,37cyclictest0-21swapper/123:10:591
19382996215,32cyclictest0-21swapper/120:48:581
19382996215,31cyclictest0-21swapper/120:11:001
19382996215,30cyclictest0-21swapper/119:16:591
19382996214,33cyclictest0-21swapper/122:57:001
19381996228,27cyclictest0-21swapper/000:15:090
19381996223,32cyclictest0-21swapper/022:39:140
19381996219,15cyclictest1618-21munin-node19:50:160
19381996214,36cyclictest0-21swapper/020:44:580
19382996116,31cyclictest0-21swapper/100:09:001
19382996116,31cyclictest0-21swapper/100:08:591
19382996115,31cyclictest0-21swapper/119:50:591
19382996112,31cyclictest0-21swapper/119:32:001
19381996124,30cyclictest17905-21munin-node20:35:270
19381996113,31cyclictest0-21swapper/021:05:590
19382996014,33cyclictest0-21swapper/120:57:581
19381996030,23cyclictest0-21swapper/022:55:180
19381996020,33cyclictest26326-21runrttasks19:27:320
19381996016,29cyclictest0-21swapper/020:22:580
19381996015,37cyclictest31472-21sed19:40:250
216899590,4rtkit-daemon2167-21rtkit-daemon23:55:131
19381995921,22cyclictest30387-21diskmemload21:40:300
19381995920,28cyclictest32253-21cut19:45:130
19381995914,29cyclictest0-21swapper/019:22:590
216899570,3rtkit-daemon2167-21rtkit-daemon23:21:391
19382995710,35cyclictest0-21swapper/122:41:591
19381995716,29cyclictest0-21swapper/020:05:590
19382995616,28cyclictest0-21swapper/121:00:591
19382995514,31cyclictest0-21swapper/122:12:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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