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2026-04-17 - 09:59
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rackbslot6.osadl.org (updated Fri Apr 17, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1894821710,5sleep11692499cyclictest21:29:311
2026521670,5sleep21693399cyclictest01:13:592
1068911620,4ptp4l401ktimersoftd/320:14:443
2451621550,4sleep01692099cyclictest01:17:420
154152708,47sleep00-21swapper/020:14:490
3812640,2sleep00-21swapper/000:19:530
80962620,2sleep30-21swapper/322:49:423
109322620,2sleep00-21swapper/022:19:440
16924996033,3cyclictest25-21ksoftirqd/101:34:531
146102600,1sleep20-21swapper/201:07:402
118342580,2sleep21693399cyclictest22:19:502
164902574,41sleep20-21swapper/220:15:192
178762550,1sleep30-21swapper/301:10:023
149962550,1sleep30-21swapper/300:34:533
80492540,1sleep30-21swapper/323:54:503
16924995447,4cyclictest25-21ksoftirqd/120:34:401
16920995342,6cyclictest9-21ksoftirqd/000:29:460
16920995342,6cyclictest9-21ksoftirqd/000:29:460
106891530,2ptp4l14273-21kworker/3:223:48:283
16942995223,7cyclictest41-21ksoftirqd/321:44:473
16942995126,9cyclictest41-21ksoftirqd/301:19:543
16942995123,7cyclictest41-21ksoftirqd/321:14:443
16933995124,3cyclictest33-21ksoftirqd/200:04:332
16933995122,4cyclictest33-21ksoftirqd/222:39:312
106891510,0ptp4l401ktimersoftd/323:28:593
69222500,2sleep00-21swapper/022:48:060
69222500,2sleep00-21swapper/022:48:060
16933995023,4cyclictest33-21ksoftirqd/221:34:302
16924995023,18cyclictest25-21ksoftirqd/122:29:541
16933994823,4cyclictest33-21ksoftirqd/222:44:482
16933994823,4cyclictest33-21ksoftirqd/222:44:482
16933994822,4cyclictest33-21ksoftirqd/221:04:292
16924994822,4cyclictest25-21ksoftirqd/100:54:581
16933994722,6cyclictest33-21ksoftirqd/220:54:452
16933994721,4cyclictest33-21ksoftirqd/220:39:582
16933994721,4cyclictest33-21ksoftirqd/200:44:532
16933994720,4cyclictest33-21ksoftirqd/221:24:302
16933994719,5cyclictest33-21ksoftirqd/223:38:142
16933994718,7cyclictest33-21ksoftirqd/222:59:512
16924994731,3cyclictest25-21ksoftirqd/123:09:461
16942994621,4cyclictest41-21ksoftirqd/323:20:023
16942994621,4cyclictest41-21ksoftirqd/323:00:023
16942994620,4cyclictest41-21ksoftirqd/323:29:493
16933994614,9cyclictest33-21ksoftirqd/200:54:512
16924994636,6cyclictest25-21ksoftirqd/120:19:391
16924994620,7cyclictest25-21ksoftirqd/123:29:471
16942994520,4cyclictest41-21ksoftirqd/301:40:063
16942994519,4cyclictest41-21ksoftirqd/323:34:543
16933994522,4cyclictest33-21ksoftirqd/223:55:012
16933994521,4cyclictest33-21ksoftirqd/222:04:442
16933994517,4cyclictest33-21ksoftirqd/223:29:492
16933994514,7cyclictest33-21ksoftirqd/201:29:492
16933994514,5cyclictest33-21ksoftirqd/222:24:472
16924994537,4cyclictest25-21ksoftirqd/121:34:411
16924994523,3cyclictest25-21ksoftirqd/120:44:421
16924994520,4cyclictest25-21ksoftirqd/122:43:391
16942994418,4cyclictest41-21ksoftirqd/300:00:043
16942994415,9cyclictest41-21ksoftirqd/322:54:493
16942994415,7cyclictest41-21ksoftirqd/322:34:583
16933994427,5cyclictest33-21ksoftirqd/200:39:342
16933994417,4cyclictest33-21ksoftirqd/223:05:022
16933994416,16cyclictest33-21ksoftirqd/200:50:052
106891440,2ptp4l14273-21kworker/3:200:19:213
16942994320,3cyclictest41-21ksoftirqd/320:59:293
16942994318,4cyclictest41-21ksoftirqd/321:40:003
16942994318,4cyclictest41-21ksoftirqd/300:54:533
16942994317,4cyclictest41-21ksoftirqd/301:29:543
16933994319,4cyclictest33-21ksoftirqd/223:49:502
16933994319,15cyclictest33-21ksoftirqd/201:35:062
16924994333,6cyclictest25-21ksoftirqd/121:44:431
16924994321,4cyclictest25-21ksoftirqd/101:45:041
16924994319,7cyclictest25-21ksoftirqd/100:29:481
16924994319,7cyclictest25-21ksoftirqd/100:29:481
16924994319,4cyclictest25-21ksoftirqd/122:56:181
16924994317,4cyclictest25-21ksoftirqd/120:49:551
16942994219,10cyclictest41-21ksoftirqd/322:44:473
16942994219,10cyclictest41-21ksoftirqd/322:44:473
1693399426,7cyclictest33-21ksoftirqd/201:43:252
16933994216,4cyclictest33-21ksoftirqd/201:28:502
16924994230,3cyclictest25-21ksoftirqd/100:24:591
16924994227,4cyclictest25-21ksoftirqd/100:49:341
16924994220,8cyclictest25-21ksoftirqd/101:24:361
16924994218,4cyclictest25-21ksoftirqd/101:14:541
16924994218,4cyclictest25-21ksoftirqd/100:24:341
16924994217,9cyclictest25-21ksoftirqd/101:09:511
1694299414,6cyclictest121rcu_preempt00:14:343
16933994117,4cyclictest33-21ksoftirqd/220:29:492
16933994113,4cyclictest33-21ksoftirqd/221:44:312
16933994110,5cyclictest33-21ksoftirqd/222:54:482
16924994128,3cyclictest25-21ksoftirqd/122:04:441
16924994125,13cyclictest25-21ksoftirqd/122:39:311
16924994120,4cyclictest25-21ksoftirqd/100:02:101
16924994117,4cyclictest25-21ksoftirqd/123:04:511
16924994117,4cyclictest25-21ksoftirqd/121:09:461
16924994116,4cyclictest25-21ksoftirqd/120:39:471
16924994115,8cyclictest25-21ksoftirqd/123:59:341
16924994114,8cyclictest25-21ksoftirqd/101:24:521
16924994111,5cyclictest25-21ksoftirqd/122:54:321
16942994024,12cyclictest41-21ksoftirqd/301:44:513
16942994015,4cyclictest41-21ksoftirqd/321:54:313
16942994014,4cyclictest41-21ksoftirqd/322:42:523
1693399406,4cyclictest10357-21ssh01:03:442
16933994012,4cyclictest33-21ksoftirqd/200:24:572
16924994027,3cyclictest25-21ksoftirqd/123:15:011
16924994026,3cyclictest25-21ksoftirqd/100:09:341
16924994022,6cyclictest25-21ksoftirqd/121:14:501
16924994018,7cyclictest25-21ksoftirqd/100:34:571
16924994017,4cyclictest25-21ksoftirqd/100:09:501
16924994016,4cyclictest25-21ksoftirqd/122:44:481
16924994016,4cyclictest25-21ksoftirqd/122:44:481
16924994016,4cyclictest25-21ksoftirqd/100:49:531
16920994031,5cyclictest9-21ksoftirqd/000:34:460
106891400,2ptp4l14273-21kworker/3:222:19:563
1694299394,3cyclictest121rcu_preempt01:03:093
1694299393,5cyclictest41-21ksoftirqd/322:09:453
16942993926,3cyclictest41-21ksoftirqd/301:29:363
16942993922,7cyclictest41-21ksoftirqd/300:29:343
16942993917,3cyclictest41-21ksoftirqd/300:41:273
16933993916,3cyclictest33-21ksoftirqd/223:28:142
16933993914,4cyclictest33-21ksoftirqd/221:44:492
16933993914,3cyclictest33-21ksoftirqd/221:14:422
1693399390,3cyclictest121rcu_preempt20:19:462
1692499398,8cyclictest25-21ksoftirqd/122:09:511
16924993931,4cyclictest25-21ksoftirqd/121:04:411
16924993931,4cyclictest25-21ksoftirqd/121:04:411
16924993925,6cyclictest25-21ksoftirqd/122:14:431
16924993916,4cyclictest25-21ksoftirqd/101:00:381
16924993915,4cyclictest25-21ksoftirqd/101:08:571
16924993914,4cyclictest25-21ksoftirqd/120:34:281
106891390,1ptp4l401ktimersoftd/323:53:293
106891390,1ptp4l401ktimersoftd/322:28:133
106891390,1ptp4l401ktimersoftd/320:19:543
106891390,1ptp4l401ktimersoftd/301:38:373
16942993830,4cyclictest41-21ksoftirqd/321:19:393
16942993822,3cyclictest41-21ksoftirqd/322:04:443
1693399384,7cyclictest33-21ksoftirqd/201:22:372
1693399384,3cyclictest33-21ksoftirqd/223:09:442
1692499382,9cyclictest25-21ksoftirqd/123:47:591
16924993825,10cyclictest25-21ksoftirqd/100:14:561
16924993817,7cyclictest25-21ksoftirqd/122:04:321
16924993810,5cyclictest25-21ksoftirqd/101:29:491
106891380,1ptp4l401ktimersoftd/323:16:163
106891380,1ptp4l401ktimersoftd/323:13:463
106891380,0ptp4l401ktimersoftd/322:29:453
106891380,0ptp4l401ktimersoftd/300:45:093
1694299371,4cyclictest41-21ksoftirqd/320:49:523
16933993720,6cyclictest33-21ksoftirqd/221:49:522
1693399371,5cyclictest33-21ksoftirqd/200:19:502
1692499377,4cyclictest25-21ksoftirqd/121:29:531
16924993718,7cyclictest25-21ksoftirqd/121:39:481
16924993713,7cyclictest25-21ksoftirqd/120:59:431
16924993712,4cyclictest25-21ksoftirqd/122:25:011
16924993710,9cyclictest25-21ksoftirqd/123:34:471
1692499370,6cyclictest25-21ksoftirqd/123:39:571
152132370,6sleep1241ktimersoftd/101:40:401
106891370,1ptp4l401ktimersoftd/323:06:493
106891370,1ptp4l401ktimersoftd/301:05:413
16942993620,7cyclictest41-21ksoftirqd/300:29:513
16942993620,7cyclictest41-21ksoftirqd/300:29:513
1694299361,10cyclictest41-21ksoftirqd/300:21:353
1693399369,4cyclictest33-21ksoftirqd/222:43:372
16933993620,5cyclictest33-21ksoftirqd/223:22:212
16933993618,14cyclictest33-21ksoftirqd/201:44:512
16933993613,8cyclictest33-21ksoftirqd/220:24:432
1692499365,7cyclictest121rcu_preempt21:49:541
16924993625,3cyclictest25-21ksoftirqd/100:44:351
16924993622,10cyclictest25-21ksoftirqd/121:19:431
16924993621,3cyclictest25-21ksoftirqd/123:50:011
16924993614,7cyclictest25-21ksoftirqd/121:54:581
16924993613,4cyclictest25-21ksoftirqd/122:19:591
16924993612,5cyclictest25-21ksoftirqd/123:25:011
16924993611,4cyclictest25-21ksoftirqd/120:54:561
106891360,1ptp4l401ktimersoftd/323:40:083
106891360,1ptp4l401ktimersoftd/320:59:463
106891360,1ptp4l401ktimersoftd/301:18:383
106891360,1ptp4l401ktimersoftd/300:07:183
106891360,0ptp4l401ktimersoftd/320:34:103
16933993523,10cyclictest33-21ksoftirqd/222:15:002
16933993520,5cyclictest33-21ksoftirqd/222:49:542
16933993520,5cyclictest33-21ksoftirqd/200:09:462
16933993519,4cyclictest33-21ksoftirqd/223:49:332
1693399351,4cyclictest33-21ksoftirqd/221:09:292
1693399351,4cyclictest33-21ksoftirqd/221:09:292
16933993510,9cyclictest33-21ksoftirqd/200:39:462
106891350,1ptp4l401ktimersoftd/321:04:583
106891350,1ptp4l401ktimersoftd/321:04:583
1694299342,8cyclictest41-21ksoftirqd/321:59:443
16942993421,10cyclictest41-21ksoftirqd/320:24:483
16942993420,11cyclictest41-21ksoftirqd/321:54:413
1693399348,4cyclictest33-21ksoftirqd/200:04:552
1693399344,7cyclictest33-21ksoftirqd/200:15:012
16933993414,7cyclictest33-21ksoftirqd/220:34:502
16933993414,5cyclictest33-21ksoftirqd/220:44:512
16924993427,4cyclictest25-21ksoftirqd/122:59:511
1692499342,4cyclictest121rcu_preempt20:24:301
16924993410,4cyclictest25-21ksoftirqd/123:19:551
1694299331,7cyclictest41-21ksoftirqd/320:34:433
1694299331,4cyclictest41-21ksoftirqd/321:31:523
1693399335,9cyclictest33-21ksoftirqd/222:29:512
16933993327,3cyclictest33-21ksoftirqd/222:04:312
106891330,1ptp4l401ktimersoftd/300:53:133
16942993226,3cyclictest41-21ksoftirqd/320:44:503
16942993224,4cyclictest41-21ksoftirqd/322:14:363
16942993224,4cyclictest41-21ksoftirqd/321:09:583
16933993227,3cyclictest33-21ksoftirqd/201:15:572
16933993226,3cyclictest33-21ksoftirqd/221:29:302
16933993226,3cyclictest33-21ksoftirqd/221:09:472
16933993219,3cyclictest33-21ksoftirqd/200:29:502
16933993219,3cyclictest33-21ksoftirqd/200:29:502
16933993217,12cyclictest33-21ksoftirqd/222:09:572
16920993226,3cyclictest9-21ksoftirqd/023:09:320
1694299315,3cyclictest41-21ksoftirqd/321:34:543
16942993125,3cyclictest41-21ksoftirqd/321:24:583
1693399317,9cyclictest33-21ksoftirqd/223:40:292
1649423113,8sleep10-21swapper/120:15:221
16942993024,3cyclictest41-21ksoftirqd/320:39:293
16933993019,3cyclictest33-21ksoftirqd/221:39:312
16920993024,3cyclictest9-21ksoftirqd/021:09:430
16920993019,9cyclictest3122-21cron22:04:310
16933992924,3cyclictest33-21ksoftirqd/223:14:522
16920992925,2cyclictest9-21ksoftirqd/022:39:310
16920992924,3cyclictest9-21ksoftirqd/000:54:350
16920992923,3cyclictest26899-21latency_hist00:14:340
16920992923,3cyclictest24644-21cron20:34:280
16920992919,5cyclictest9-21ksoftirqd/023:19:440
1692099290,3cyclictest131rcu_sched20:24:290
16933992823,3cyclictest33-21ksoftirqd/220:49:452
16920992823,3cyclictest9-21ksoftirqd/023:49:340
16920992823,3cyclictest9-21ksoftirqd/022:54:320
16920992823,3cyclictest9-21ksoftirqd/022:29:310
16920992823,3cyclictest9-21ksoftirqd/022:14:320
16920992823,3cyclictest9-21ksoftirqd/001:44:540
16920992822,3cyclictest9-21ksoftirqd/023:24:510
16920992822,3cyclictest9-21ksoftirqd/021:24:300
16920992822,3cyclictest9-21ksoftirqd/001:04:540
16933992722,3cyclictest33-21ksoftirqd/221:54:422
1692099275,3cyclictest121rcu_preempt23:01:210
16920992721,4cyclictest3711-1kworker/u9:100:27:060
16920992712,12cyclictest9-21ksoftirqd/001:25:410
212502261,3sleep021357-21perl22:29:490
1692099263,3cyclictest121rcu_preempt23:44:280
16920992621,3cyclictest9-21ksoftirqd/022:54:510
16920992621,3cyclictest9-21ksoftirqd/022:14:510
16920992621,3cyclictest9-21ksoftirqd/021:29:300
16920992621,3cyclictest9-21ksoftirqd/020:39:470
16920992621,3cyclictest9-21ksoftirqd/000:59:500
16920992621,3cyclictest9-21ksoftirqd/000:54:350
16920992620,3cyclictest9-21ksoftirqd/023:49:450
16920992620,3cyclictest9-21ksoftirqd/022:06:390
138282260,1sleep00-21swapper/021:19:300
16920992520,3cyclictest9-21ksoftirqd/020:49:290
16920992520,3cyclictest9-21ksoftirqd/001:19:550
16920992519,3cyclictest9-21ksoftirqd/023:17:420
16920992519,3cyclictest9-21ksoftirqd/021:39:440
16920992519,3cyclictest9-21ksoftirqd/001:29:540
1692099251,21cyclictest24330-21ssh00:44:490
1692099242,2cyclictest121rcu_preempt01:40:350
1692099242,12cyclictest121rcu_preempt23:34:520
16920992419,3cyclictest9-21ksoftirqd/022:39:500
16920992419,3cyclictest9-21ksoftirqd/021:49:490
16920992419,3cyclictest9-21ksoftirqd/021:34:310
16920992419,3cyclictest9-21ksoftirqd/020:49:480
1692099235,2cyclictest0-21swapper/000:09:050
16920992318,3cyclictest9-21ksoftirqd/020:24:440
16920992318,3cyclictest23339-1kworker/u9:201:35:230
16920992317,4cyclictest9-21ksoftirqd/021:45:230
16920992317,3cyclictest9-21ksoftirqd/020:56:050
16920992317,3cyclictest19453-21grep00:39:480
16920992217,3cyclictest9-21ksoftirqd/021:04:470
16920992217,3cyclictest9-21ksoftirqd/021:04:470
16920992116,3cyclictest9-21ksoftirqd/023:59:530
16920992116,3cyclictest9-21ksoftirqd/023:29:530
16920992115,3cyclictest9-21ksoftirqd/021:36:360
16920992115,3cyclictest9-21ksoftirqd/020:37:430
1692099204,7cyclictest121rcu_preempt23:54:460
16920992015,3cyclictest9-21ksoftirqd/023:09:560
16920992015,3cyclictest9-21ksoftirqd/021:54:500
16920992015,3cyclictest9-21ksoftirqd/000:14:520
16920992014,3cyclictest9-21ksoftirqd/021:03:360
16920992014,3cyclictest9-21ksoftirqd/001:09:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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