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2026-03-28 - 10:54
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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
Characteristics of the highest latencies:
System rackdslot3.osadl.org (updated Sat Mar 28, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491230164,22phc2sys0-21swapper/319:07:523
42762203171,21sleep10-21swapper/119:06:271
23732203169,23sleep20-21swapper/219:05:122
23662201168,22sleep00-21swapper/019:05:060
45502163124,13sleep10-21swapper/119:10:011
1961021540,6sleep0484199cyclictest00:10:100
1454521500,6sleep3484499cyclictest00:00:143
1454521500,6sleep3484499cyclictest00:00:133
1570421460,7sleep2484399cyclictest22:55:132
1394918262,11phc2sys0-21swapper/319:10:013
4844996129,7cyclictest41-21ksoftirqd/323:00:013
4844996126,8cyclictest41-21ksoftirqd/320:40:003
4844996030,3cyclictest41-21ksoftirqd/300:25:243
4844996027,4cyclictest41-21ksoftirqd/322:25:003
4844996026,4cyclictest41-21ksoftirqd/323:55:003
4844995930,8cyclictest41-21ksoftirqd/319:35:163
4844995927,4cyclictest41-21ksoftirqd/321:40:103
4844995831,3cyclictest41-21ksoftirqd/321:50:183
4844995724,7cyclictest41-21ksoftirqd/300:35:223
4844995723,6cyclictest41-21ksoftirqd/322:30:183
4844995720,8cyclictest41-21ksoftirqd/323:40:173
4844995626,4cyclictest41-21ksoftirqd/320:55:133
4844995623,9cyclictest41-21ksoftirqd/323:05:203
4844995623,4cyclictest41-21ksoftirqd/323:35:183
4844995621,6cyclictest41-21ksoftirqd/323:25:143
4844995618,11cyclictest41-21ksoftirqd/320:05:013
4844995527,7cyclictest41-21ksoftirqd/300:15:173
4844995525,7cyclictest41-21ksoftirqd/321:05:143
4844995523,4cyclictest41-21ksoftirqd/322:16:553
4844995522,9cyclictest41-21ksoftirqd/321:45:323
4844995521,7cyclictest41-21ksoftirqd/323:30:183
4844995520,8cyclictest41-21ksoftirqd/321:20:143
4844995519,8cyclictest41-21ksoftirqd/319:50:143
4844995517,4cyclictest41-21ksoftirqd/322:06:473
484299551,3cyclictest0-21swapper/122:12:421
4844995428,7cyclictest41-21ksoftirqd/322:00:193
4844995428,7cyclictest41-21ksoftirqd/300:10:163
4844995425,6cyclictest41-21ksoftirqd/320:25:153
4844995326,7cyclictest41-21ksoftirqd/323:20:183
4844995325,8cyclictest41-21ksoftirqd/300:30:263
4844995319,4cyclictest41-21ksoftirqd/320:05:143
4844995314,4cyclictest41-21ksoftirqd/320:52:153
484499527,3cyclictest41-21ksoftirqd/322:50:163
4844995222,4cyclictest41-21ksoftirqd/322:00:003
4844995220,4cyclictest41-21ksoftirqd/323:10:183
4844995215,4cyclictest41-21ksoftirqd/321:13:003
4844995215,4cyclictest41-21ksoftirqd/320:30:243
4844995214,9cyclictest41-21ksoftirqd/300:24:083
4844995213,4cyclictest41-21ksoftirqd/321:19:473
4844995122,3cyclictest41-21ksoftirqd/319:55:273
4844995121,3cyclictest41-21ksoftirqd/320:40:183
4844995119,4cyclictest41-21ksoftirqd/322:35:143
4844995118,9cyclictest41-21ksoftirqd/319:30:003
4844995022,4cyclictest41-21ksoftirqd/319:30:193
4844995021,9cyclictest41-21ksoftirqd/320:15:183
4844995021,4cyclictest41-21ksoftirqd/323:55:243
4844995019,8cyclictest41-21ksoftirqd/323:00:143
4844995019,8cyclictest41-21ksoftirqd/323:00:143
4844994924,7cyclictest41-21ksoftirqd/323:45:133
4844994914,11cyclictest41-21ksoftirqd/322:48:523
484499486,5cyclictest41-21ksoftirqd/321:30:153
484499486,2cyclictest41-21ksoftirqd/319:45:153
484499485,2cyclictest41-21ksoftirqd/320:20:143
4844994814,4cyclictest41-21ksoftirqd/323:16:283
4844994813,11cyclictest41-21ksoftirqd/322:28:233
4844994812,11cyclictest41-21ksoftirqd/300:05:543
4844994811,10cyclictest41-21ksoftirqd/320:12:543
484499476,5cyclictest41-21ksoftirqd/319:40:273
484499475,3cyclictest41-21ksoftirqd/322:40:133
484499472,8cyclictest41-21ksoftirqd/321:35:263
484499465,3cyclictest41-21ksoftirqd/320:45:243
4844994622,7cyclictest41-21ksoftirqd/319:20:193
4844994513,9cyclictest41-21ksoftirqd/321:29:463
4843994425,16cyclictest33-21ksoftirqd/222:51:032
4842994428,13cyclictest25-21ksoftirqd/123:27:261
484499434,5cyclictest41-21ksoftirqd/319:15:163
4844994311,11cyclictest41-21ksoftirqd/322:14:133
484299430,3cyclictest14186-21chrt21:44:001
484499424,2cyclictest41-21ksoftirqd/321:03:533
484299420,2cyclictest296032sleep123:21:401
484299386,19cyclictest4457-21seq23:37:071
484299385,20cyclictest21225-21seq19:44:571
4842993831,5cyclictest25-21ksoftirqd/122:46:311
4842993732,3cyclictest25-21ksoftirqd/119:57:591
4842993730,4cyclictest25-21ksoftirqd/123:17:441
4842993730,4cyclictest25-21ksoftirqd/120:50:291
484299371,3cyclictest3537-21taskset20:14:131
4843993631,3cyclictest33-21ksoftirqd/222:15:102
4843993630,4cyclictest33-21ksoftirqd/223:59:592
4843993630,4cyclictest33-21ksoftirqd/222:02:192
4843993630,4cyclictest33-21ksoftirqd/221:24:122
4843993629,4cyclictest29880-21ls23:25:002
484399361,34cyclictest18829-21kworker/2:200:35:252
4842993630,4cyclictest25-21ksoftirqd/123:44:141
4842993630,4cyclictest25-21ksoftirqd/100:01:241
4842993630,4cyclictest25-21ksoftirqd/100:01:241
4841993630,4cyclictest9-21ksoftirqd/019:59:240
484199360,2cyclictest121rcu_preempt23:25:100
4843993530,3cyclictest33-21ksoftirqd/200:31:472
4843993529,4cyclictest33-21ksoftirqd/222:37:252
4842993530,3cyclictest25-21ksoftirqd/122:19:271
4842993529,4cyclictest25-21ksoftirqd/123:45:111
4842993529,4cyclictest25-21ksoftirqd/122:43:411
4842993529,4cyclictest25-21ksoftirqd/121:00:561
4842993529,4cyclictest25-21ksoftirqd/120:29:151
4842993529,4cyclictest25-21ksoftirqd/120:08:571
4842993529,4cyclictest25-21ksoftirqd/119:37:471
4842993521,12cyclictest25-21ksoftirqd/121:50:121
4843993429,3cyclictest33-21ksoftirqd/222:29:382
4843993429,3cyclictest33-21ksoftirqd/221:30:492
4843993428,4cyclictest33-21ksoftirqd/222:21:192
4843993428,4cyclictest33-21ksoftirqd/219:31:392
4843993428,4cyclictest33-21ksoftirqd/200:12:012
4843993427,5cyclictest33-21ksoftirqd/220:14:272
484399340,2cyclictest121rcu_preempt21:15:142
4842993429,3cyclictest25-21ksoftirqd/122:35:091
4842993428,4cyclictest25-21ksoftirqd/122:59:261
4842993428,4cyclictest25-21ksoftirqd/121:21:141
4842993428,4cyclictest25-21ksoftirqd/119:52:161
4842993428,4cyclictest25-21ksoftirqd/119:26:171
4842993428,4cyclictest25-21ksoftirqd/100:19:531
4842993426,6cyclictest25-21ksoftirqd/122:33:341
4841993428,4cyclictest9-21ksoftirqd/023:57:450
4841993428,4cyclictest9-21ksoftirqd/023:17:230
4841993428,4cyclictest9-21ksoftirqd/023:13:260
4841993428,4cyclictest9-21ksoftirqd/021:36:460
4841993428,4cyclictest9-21ksoftirqd/000:20:120
4841993427,4cyclictest9-21ksoftirqd/021:43:400
484399334,28cyclictest30944-21kworker/2:020:15:532
484399333,29cyclictest26569-21kworker/2:122:44:092
484399333,29cyclictest26569-21kworker/2:122:10:332
484399333,29cyclictest24925-21kworker/2:023:54:212
484399333,29cyclictest24925-21kworker/2:023:26:502
484399333,28cyclictest24925-21kworker/2:023:30:022
484399333,28cyclictest15102-21kworker/2:223:00:022
484399333,28cyclictest15102-21kworker/2:223:00:022
4843993328,3cyclictest33-21ksoftirqd/221:54:252
4843993327,4cyclictest33-21ksoftirqd/220:30:522
4843993327,4cyclictest33-21ksoftirqd/220:22:342
4842993327,4cyclictest25-21ksoftirqd/122:51:321
4842993327,4cyclictest25-21ksoftirqd/121:33:381
4842993327,4cyclictest25-21ksoftirqd/120:58:441
4842993327,4cyclictest25-21ksoftirqd/119:20:191
4842993327,4cyclictest25-21ksoftirqd/100:21:461
4842993327,4cyclictest25-21ksoftirqd/100:08:211
484299330,4cyclictest11104-21sensors23:50:251
4841993328,3cyclictest9-21ksoftirqd/020:30:000
4841993327,4cyclictest9-21ksoftirqd/022:15:450
4841993327,4cyclictest9-21ksoftirqd/022:04:050
4841993327,4cyclictest9-21ksoftirqd/021:45:440
4841993327,4cyclictest9-21ksoftirqd/020:22:360
4841993327,4cyclictest9-21ksoftirqd/019:10:470
484399328,22cyclictest26569-21kworker/2:122:31:052
484399323,28cyclictest30944-21kworker/2:020:25:402
484399323,28cyclictest30944-21kworker/2:020:08:172
484399323,28cyclictest26569-21kworker/2:122:47:372
484399323,28cyclictest18829-21kworker/2:200:15:492
484399323,28cyclictest16618-21kworker/2:221:45:252
484399323,28cyclictest16618-21kworker/2:221:28:362
4843993227,3cyclictest33-21ksoftirqd/219:40:112
4843993226,4cyclictest33-21ksoftirqd/223:45:292
4843993226,4cyclictest33-21ksoftirqd/223:17:532
4843993226,4cyclictest33-21ksoftirqd/221:58:252
4843993226,4cyclictest33-21ksoftirqd/221:40:412
4843993226,4cyclictest33-21ksoftirqd/221:12:332
4843993226,4cyclictest33-21ksoftirqd/219:15:432
4843993225,5cyclictest33-21ksoftirqd/223:36:462
4843993225,4cyclictest33-21ksoftirqd/223:10:252
484399321,30cyclictest16618-21kworker/2:220:53:572
484399321,30cyclictest16618-21kworker/2:220:46:532
484399321,29cyclictest18829-21kworker/2:200:25:092
4842993227,3cyclictest25-21ksoftirqd/123:09:071
4842993227,3cyclictest25-21ksoftirqd/120:01:221
4842993227,3cyclictest25-21ksoftirqd/119:34:181
4842993226,4cyclictest25-21ksoftirqd/121:12:261
4841993227,3cyclictest9-21ksoftirqd/021:20:100
4841993226,4cyclictest9-21ksoftirqd/023:46:390
4841993226,4cyclictest9-21ksoftirqd/022:21:260
4841993226,4cyclictest9-21ksoftirqd/020:01:580
484399317,22cyclictest16618-21kworker/2:221:08:092
484399316,23cyclictest24925-21kworker/2:000:04:092
484399316,23cyclictest24925-21kworker/2:000:04:092
484399313,27cyclictest18829-21kworker/2:200:08:222
4843993126,3cyclictest33-21ksoftirqd/219:46:282
4843993125,4cyclictest33-21ksoftirqd/221:02:222
4843993125,4cyclictest33-21ksoftirqd/219:36:492
4843993124,4cyclictest33-21ksoftirqd/223:05:252
484399312,28cyclictest18829-21kworker/2:200:22:132
484399312,28cyclictest16618-21kworker/2:220:43:052
484399312,27cyclictest13545-21kworker/2:120:35:172
484399311,29cyclictest16618-21kworker/2:222:05:452
4842993126,3cyclictest25-21ksoftirqd/123:31:101
4842993126,3cyclictest25-21ksoftirqd/122:26:041
4842993126,3cyclictest25-21ksoftirqd/120:16:271
4842993125,4cyclictest25-21ksoftirqd/122:24:121
4842993125,4cyclictest25-21ksoftirqd/122:01:421
4842993125,4cyclictest25-21ksoftirqd/119:48:031
484299310,4cyclictest26187-21cat22:10:001
4841993126,3cyclictest9-21ksoftirqd/023:40:100
4841993126,3cyclictest9-21ksoftirqd/022:05:540
4841993126,3cyclictest9-21ksoftirqd/019:33:500
4841993126,3cyclictest9-21ksoftirqd/019:15:110
4841993126,3cyclictest9-21ksoftirqd/000:35:150
4841993125,4cyclictest9-21ksoftirqd/023:04:070
4841993125,4cyclictest9-21ksoftirqd/023:04:060
4841993125,4cyclictest9-21ksoftirqd/022:26:430
4841993125,4cyclictest9-21ksoftirqd/021:55:500
4841993125,4cyclictest9-21ksoftirqd/021:51:060
4841993125,4cyclictest9-21ksoftirqd/021:02:110
4841993125,4cyclictest9-21ksoftirqd/020:36:160
4841993125,4cyclictest9-21ksoftirqd/019:50:030
4841993125,3cyclictest9-21ksoftirqd/021:05:160
4841993124,5cyclictest9-21ksoftirqd/019:41:400
484399307,22cyclictest24925-21kworker/2:023:43:382
4843993024,4cyclictest33-21ksoftirqd/219:22:052
484399302,26cyclictest30944-21kworker/2:020:04:532
484399300,29cyclictest16618-21kworker/2:220:57:122
484299307,20cyclictest15150-21interrupts21:45:171
4842993025,3cyclictest25-21ksoftirqd/123:56:071
4842993025,3cyclictest25-21ksoftirqd/123:04:271
4842993025,3cyclictest25-21ksoftirqd/123:04:261
4842993025,3cyclictest25-21ksoftirqd/120:43:441
4842993025,3cyclictest25-21ksoftirqd/120:35:391
4842993025,3cyclictest25-21ksoftirqd/119:16:051
4842993024,4cyclictest25-21ksoftirqd/123:14:141
4842993024,4cyclictest25-21ksoftirqd/121:29:121
4842993024,4cyclictest25-21ksoftirqd/100:25:311
4841993025,3cyclictest9-21ksoftirqd/021:26:340
4841993025,3cyclictest9-21ksoftirqd/020:40:400
4841993024,4cyclictest9-21ksoftirqd/019:48:300
4841993024,4cyclictest9-21ksoftirqd/019:38:470
4841993024,4cyclictest9-21ksoftirqd/000:01:350
4841993024,4cyclictest9-21ksoftirqd/000:01:350
4841993024,3cyclictest9-21ksoftirqd/023:24:050
484399293,25cyclictest30944-21kworker/2:019:25:292
484399293,25cyclictest30944-21kworker/2:019:11:452
484399292,26cyclictest30944-21kworker/2:019:56:252
484399292,25cyclictest30944-21kworker/2:019:50:532
484399292,25cyclictest16618-21kworker/2:221:35:052
4842992924,3cyclictest25-21ksoftirqd/121:05:101
4842992923,4cyclictest25-21ksoftirqd/120:46:231
4842992923,4cyclictest25-21ksoftirqd/100:33:251
4841992923,4cyclictest9-21ksoftirqd/023:05:030
4841992923,4cyclictest9-21ksoftirqd/020:33:390
4841992923,4cyclictest9-21ksoftirqd/000:25:090
4841992923,4cyclictest9-21ksoftirqd/000:18:280
4841992923,3cyclictest9-21ksoftirqd/021:10:470
4841992922,4cyclictest9-21ksoftirqd/019:25:110
484299288,17cyclictest9746-21/usr/sbin/munin21:35:271
484299287,18cyclictest207-21systemd-journal20:20:361
4842992823,3cyclictest25-21ksoftirqd/121:56:391
4842992823,3cyclictest25-21ksoftirqd/120:32:311
4842992822,4cyclictest25-21ksoftirqd/100:37:301
4842992811,14cyclictest19664-21cpuspeed00:10:111
4841992823,3cyclictest9-21ksoftirqd/023:51:280
4841992823,3cyclictest9-21ksoftirqd/022:59:300
4841992823,3cyclictest9-21ksoftirqd/022:39:330
4841992823,3cyclictest9-21ksoftirqd/020:46:270
4841992823,3cyclictest9-21ksoftirqd/000:34:590
4841992822,4cyclictest9-21ksoftirqd/022:51:460
4841992822,4cyclictest9-21ksoftirqd/021:34:360
4841992822,4cyclictest9-21ksoftirqd/021:18:080
4842992721,4cyclictest25-21ksoftirqd/121:17:241
4841992721,4cyclictest9-21ksoftirqd/023:39:250
273732270,6sleep0484199cyclictest22:10:190
4841992621,3cyclictest9-21ksoftirqd/020:53:270
4841992520,3cyclictest9-21ksoftirqd/022:41:280
4841992520,3cyclictest9-21ksoftirqd/022:31:080
4841992520,3cyclictest9-21ksoftirqd/020:07:470
4841992518,4cyclictest9-21ksoftirqd/020:10:120
4841992415,5cyclictest4328-21cut20:15:150
4841992317,4cyclictest9-21ksoftirqd/023:32:150
4841992217,3cyclictest9-21ksoftirqd/020:55:400
4841992217,3cyclictest11752-21sh19:25:000
4841992116,3cyclictest9-21ksoftirqd/022:45:130
4841991712,3cyclictest18174-21mailstats00:05:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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