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2026-03-20 - 03:30
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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 rackdslot2.osadl.org (updated Fri Mar 20, 2026 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591209175,22phc2sys0-21swapper/319:07:273
255952204172,21sleep10-21swapper/119:08:311
254612203169,23sleep20-21swapper/219:06:512
253912202169,22sleep00-21swapper/019:05:560
41298930,70rtkit-daemon0-21swapper/219:10:012
198762670,1sleep219877-21/usr/sbin/munin23:25:252
326732630,3sleep02600299cyclictest23:54:590
21922620,4sleep12194-21fschecks_time20:35:151
171092570,7sleep22600499cyclictest00:30:002
124852570,2sleep20-21swapper/220:55:222
124852570,2sleep20-21swapper/220:55:222
26003994235,4cyclictest1174-21cron22:49:591
139291410,0ptp4l401ktimersoftd/322:40:133
26004994034,4cyclictest33-21ksoftirqd/222:40:092
26004994022,16cyclictest33-21ksoftirqd/223:05:522
139291400,1ptp4l401ktimersoftd/319:43:513
139291400,0ptp4l401ktimersoftd/323:55:083
139291400,0ptp4l401ktimersoftd/323:39:123
139291400,0ptp4l401ktimersoftd/322:38:453
26003993924,12cyclictest25-21ksoftirqd/122:15:011
135191390,2getstats0-21swapper/321:45:233
26005993832,4cyclictest41-21ksoftirqd/323:34:503
26005993832,4cyclictest41-21ksoftirqd/320:33:413
26005993832,4cyclictest41-21ksoftirqd/320:24:013
26005993832,4cyclictest41-21ksoftirqd/319:55:063
26005993832,4cyclictest41-21ksoftirqd/319:39:133
2600499383,2cyclictest121rcu_preempt20:47:042
26005993733,3cyclictest41-21ksoftirqd/322:30:143
26005993731,4cyclictest41-21ksoftirqd/323:43:363
26005993731,4cyclictest41-21ksoftirqd/320:54:233
26004993731,4cyclictest33-21ksoftirqd/223:39:492
26004993731,4cyclictest33-21ksoftirqd/223:10:402
26004993731,4cyclictest33-21ksoftirqd/222:28:172
26004993731,4cyclictest33-21ksoftirqd/222:05:512
26004993731,4cyclictest33-21ksoftirqd/220:35:012
26003993732,3cyclictest25-21ksoftirqd/123:05:111
26003993731,4cyclictest25-21ksoftirqd/121:58:351
26003993731,4cyclictest25-21ksoftirqd/120:01:331
26002993731,4cyclictest9-21ksoftirqd/021:26:090
26002993730,5cyclictest9-21ksoftirqd/020:47:340
26005993632,3cyclictest41-21ksoftirqd/321:24:443
26005993631,3cyclictest41-21ksoftirqd/321:12:363
26005993631,3cyclictest41-21ksoftirqd/319:47:473
26005993631,3cyclictest41-21ksoftirqd/300:10:113
26005993630,4cyclictest41-21ksoftirqd/323:28:443
26005993630,4cyclictest41-21ksoftirqd/321:55:403
26005993630,4cyclictest41-21ksoftirqd/321:16:333
26005993630,4cyclictest41-21ksoftirqd/320:40:513
26005993630,4cyclictest41-21ksoftirqd/320:02:443
26005993630,4cyclictest41-21ksoftirqd/300:03:493
26005993630,4cyclictest41-21ksoftirqd/300:03:493
26005993625,9cyclictest41-21ksoftirqd/323:18:143
26005993623,4cyclictest41-21ksoftirqd/320:47:053
26004993631,3cyclictest33-21ksoftirqd/222:33:492
26004993631,3cyclictest33-21ksoftirqd/221:28:452
26004993630,4cyclictest33-21ksoftirqd/219:43:452
26003993631,3cyclictest25-21ksoftirqd/123:00:171
26003993631,3cyclictest25-21ksoftirqd/123:00:171
26003993631,3cyclictest25-21ksoftirqd/122:20:001
26003993631,3cyclictest25-21ksoftirqd/119:40:351
26003993630,4cyclictest25-21ksoftirqd/123:50:001
26003993630,4cyclictest25-21ksoftirqd/123:23:481
26003993630,4cyclictest25-21ksoftirqd/123:17:221
26003993630,4cyclictest25-21ksoftirqd/121:17:561
26003993630,4cyclictest25-21ksoftirqd/120:20:311
26003993630,4cyclictest25-21ksoftirqd/119:45:291
26003993630,4cyclictest25-21ksoftirqd/100:04:361
26003993630,4cyclictest25-21ksoftirqd/100:04:351
26002993630,4cyclictest9-21ksoftirqd/022:17:110
26002993630,4cyclictest9-21ksoftirqd/020:55:560
26002993630,4cyclictest9-21ksoftirqd/020:55:560
26002993630,4cyclictest9-21ksoftirqd/020:11:590
26002993630,4cyclictest9-21ksoftirqd/020:03:170
26002993630,4cyclictest9-21ksoftirqd/019:48:490
26002993630,4cyclictest9-21ksoftirqd/019:44:510
26005993530,3cyclictest41-21ksoftirqd/322:15:113
26005993530,3cyclictest41-21ksoftirqd/321:04:143
26005993530,3cyclictest41-21ksoftirqd/320:27:063
26005993529,4cyclictest41-21ksoftirqd/322:27:543
26005993529,4cyclictest41-21ksoftirqd/322:01:543
26005993529,4cyclictest41-21ksoftirqd/321:54:483
26005993529,4cyclictest41-21ksoftirqd/321:05:343
26005993529,4cyclictest41-21ksoftirqd/320:57:243
26005993529,4cyclictest41-21ksoftirqd/320:57:233
26005993529,4cyclictest41-21ksoftirqd/319:51:323
26005993529,4cyclictest41-21ksoftirqd/300:18:453
26004993530,3cyclictest33-21ksoftirqd/222:15:452
26004993530,3cyclictest33-21ksoftirqd/200:05:542
26004993529,4cyclictest33-21ksoftirqd/221:32:532
26004993529,4cyclictest33-21ksoftirqd/219:46:142
26004993524,9cyclictest33-21ksoftirqd/221:06:072
26003993530,3cyclictest25-21ksoftirqd/119:52:591
26003993530,3cyclictest25-21ksoftirqd/100:12:501
26003993529,4cyclictest25-21ksoftirqd/119:57:561
26002993530,3cyclictest9-21ksoftirqd/019:20:100
26002993529,4cyclictest9-21ksoftirqd/023:36:420
26002993529,4cyclictest9-21ksoftirqd/022:36:460
26002993529,4cyclictest9-21ksoftirqd/022:24:410
26002993529,4cyclictest9-21ksoftirqd/021:55:540
26002993529,4cyclictest9-21ksoftirqd/020:05:340
26002993529,4cyclictest9-21ksoftirqd/019:32:480
26005993429,3cyclictest41-21ksoftirqd/322:47:533
26005993429,3cyclictest41-21ksoftirqd/321:40:473
26005993429,3cyclictest41-21ksoftirqd/321:38:123
26005993428,4cyclictest41-21ksoftirqd/320:19:133
26005993428,4cyclictest41-21ksoftirqd/320:19:133
26004993429,3cyclictest33-21ksoftirqd/219:59:322
26004993429,3cyclictest33-21ksoftirqd/219:16:212
26004993428,4cyclictest33-21ksoftirqd/223:54:052
26004993428,4cyclictest33-21ksoftirqd/223:20:512
26004993428,4cyclictest33-21ksoftirqd/223:01:032
26004993428,4cyclictest33-21ksoftirqd/223:01:022
26004993428,4cyclictest33-21ksoftirqd/221:50:422
26004993428,4cyclictest33-21ksoftirqd/221:02:042
26004993428,4cyclictest33-21ksoftirqd/220:44:542
26004993428,4cyclictest33-21ksoftirqd/220:20:362
26003993429,3cyclictest25-21ksoftirqd/121:48:241
26003993429,3cyclictest25-21ksoftirqd/121:07:391
26003993429,3cyclictest25-21ksoftirqd/119:20:001
26003993428,4cyclictest25-21ksoftirqd/123:25:371
26003993428,4cyclictest25-21ksoftirqd/122:42:111
26003993428,4cyclictest25-21ksoftirqd/120:10:441
26003993428,4cyclictest25-21ksoftirqd/119:39:551
26003993428,4cyclictest25-21ksoftirqd/119:30:481
26002993429,3cyclictest9-21ksoftirqd/023:10:100
26002993428,4cyclictest9-21ksoftirqd/023:31:570
26002993428,4cyclictest9-21ksoftirqd/023:25:350
26002993428,4cyclictest9-21ksoftirqd/023:16:560
26002993428,4cyclictest9-21ksoftirqd/023:07:430
26002993428,4cyclictest9-21ksoftirqd/022:33:170
26002993428,4cyclictest9-21ksoftirqd/019:59:360
26002993428,4cyclictest9-21ksoftirqd/019:54:380
26002993428,4cyclictest9-21ksoftirqd/019:36:410
26002993428,4cyclictest9-21ksoftirqd/019:29:110
26002993428,4cyclictest9-21ksoftirqd/000:21:190
26002993427,5cyclictest9-21ksoftirqd/000:36:480
41298330,2rtkit-daemon411-21rtkit-daemon00:30:441
26005993328,3cyclictest41-21ksoftirqd/323:06:003
26005993328,3cyclictest41-21ksoftirqd/322:53:303
26005993328,3cyclictest41-21ksoftirqd/319:25:123
26005993328,3cyclictest41-21ksoftirqd/319:14:223
26005993327,4cyclictest41-21ksoftirqd/323:21:183
26005993327,4cyclictest41-21ksoftirqd/322:59:553
26005993327,4cyclictest41-21ksoftirqd/322:08:573
26005993327,4cyclictest41-21ksoftirqd/319:31:353
26005993327,4cyclictest41-21ksoftirqd/319:15:583
26004993328,3cyclictest33-21ksoftirqd/222:12:092
26004993328,3cyclictest33-21ksoftirqd/220:14:502
26004993327,4cyclictest33-21ksoftirqd/223:57:042
26004993327,4cyclictest33-21ksoftirqd/222:22:382
26004993327,4cyclictest33-21ksoftirqd/221:38:312
26004993327,4cyclictest33-21ksoftirqd/221:17:412
26004993327,4cyclictest33-21ksoftirqd/220:39:012
26004993327,4cyclictest33-21ksoftirqd/200:12:582
26003993328,3cyclictest25-21ksoftirqd/123:14:221
26003993328,3cyclictest25-21ksoftirqd/122:24:261
26003993328,3cyclictest25-21ksoftirqd/121:40:331
26003993328,3cyclictest25-21ksoftirqd/120:47:431
26003993327,4cyclictest25-21ksoftirqd/122:09:151
26003993327,4cyclictest25-21ksoftirqd/120:52:561
26002993329,3cyclictest9-21ksoftirqd/021:46:450
26002993328,3cyclictest9-21ksoftirqd/023:00:230
26002993328,3cyclictest9-21ksoftirqd/023:00:230
26002993328,3cyclictest9-21ksoftirqd/022:40:110
26002993327,4cyclictest9-21ksoftirqd/021:38:250
26002993327,4cyclictest9-21ksoftirqd/000:11:530
26002993326,4cyclictest9-21ksoftirqd/022:07:310
26005993226,4cyclictest41-21ksoftirqd/322:25:003
26004993229,2cyclictest33-21ksoftirqd/200:33:532
26004993227,3cyclictest33-21ksoftirqd/223:33:392
26004993227,3cyclictest33-21ksoftirqd/200:20:212
26004993226,4cyclictest33-21ksoftirqd/223:48:272
26004993226,4cyclictest33-21ksoftirqd/223:18:592
26004993226,4cyclictest33-21ksoftirqd/222:38:442
26004993226,4cyclictest33-21ksoftirqd/221:46:402
26004993226,4cyclictest33-21ksoftirqd/220:02:432
26004993226,4cyclictest33-21ksoftirqd/219:54:282
26003993227,3cyclictest25-21ksoftirqd/121:20:131
26003993227,3cyclictest25-21ksoftirqd/119:20:101
26003993227,3cyclictest25-21ksoftirqd/119:10:391
26003993226,4cyclictest25-21ksoftirqd/121:27:251
26003993226,4cyclictest25-21ksoftirqd/120:16:061
26003993226,4cyclictest25-21ksoftirqd/120:16:061
26002993227,3cyclictest9-21ksoftirqd/022:53:170
26002993227,3cyclictest9-21ksoftirqd/022:04:550
26002993227,3cyclictest9-21ksoftirqd/021:18:470
26002993227,3cyclictest9-21ksoftirqd/021:10:120
26002993227,3cyclictest9-21ksoftirqd/020:42:240
26002993226,4cyclictest9-21ksoftirqd/023:59:130
26002993226,4cyclictest9-21ksoftirqd/023:46:010
26002993226,4cyclictest9-21ksoftirqd/022:58:550
26002993226,4cyclictest9-21ksoftirqd/021:07:150
26002993226,4cyclictest9-21ksoftirqd/020:28:240
26002993226,4cyclictest9-21ksoftirqd/020:21:060
26002993226,4cyclictest9-21ksoftirqd/000:07:520
26002993226,4cyclictest9-21ksoftirqd/000:03:070
26002993226,4cyclictest9-21ksoftirqd/000:03:060
26002993225,4cyclictest9-21ksoftirqd/019:16:150
155782320,9sleep12600399cyclictest21:00:271
26005993126,3cyclictest41-21ksoftirqd/323:48:373
26005993126,3cyclictest41-21ksoftirqd/321:34:433
26005993126,3cyclictest41-21ksoftirqd/320:09:393
26005993126,3cyclictest41-21ksoftirqd/300:06:073
26005993125,4cyclictest41-21ksoftirqd/323:50:023
26005993125,4cyclictest41-21ksoftirqd/319:23:403
26005993125,4cyclictest41-21ksoftirqd/300:39:413
26005993125,4cyclictest41-21ksoftirqd/300:31:103
26005993125,4cyclictest41-21ksoftirqd/300:21:273
26004993126,3cyclictest33-21ksoftirqd/200:40:002
26003993126,3cyclictest25-21ksoftirqd/123:30:111
26003993126,3cyclictest25-21ksoftirqd/122:58:301
26003993126,3cyclictest25-21ksoftirqd/122:50:461
26003993126,3cyclictest25-21ksoftirqd/100:09:371
26003993125,4cyclictest25-21ksoftirqd/122:27:481
26003993125,4cyclictest25-21ksoftirqd/121:52:261
26003993125,4cyclictest25-21ksoftirqd/120:41:411
26003993125,4cyclictest25-21ksoftirqd/119:29:321
26002993126,3cyclictest9-21ksoftirqd/021:54:230
26002993126,3cyclictest9-21ksoftirqd/021:34:440
26002993125,4cyclictest9-21ksoftirqd/021:23:080
26002993125,4cyclictest9-21ksoftirqd/000:28:010
26002993125,3cyclictest9-21ksoftirqd/020:31:530
139291310,0ptp4l401ktimersoftd/321:25:363
26005993024,4cyclictest41-21ksoftirqd/300:28:293
26004993026,3cyclictest33-21ksoftirqd/222:57:442
26004993025,3cyclictest33-21ksoftirqd/222:52:402
26004993025,3cyclictest33-21ksoftirqd/222:02:562
26004993025,3cyclictest33-21ksoftirqd/220:28:142
26004993024,4cyclictest33-21ksoftirqd/220:18:432
26004993024,4cyclictest33-21ksoftirqd/220:18:432
26004993024,4cyclictest33-21ksoftirqd/219:37:342
26004993024,4cyclictest33-21ksoftirqd/219:25:402
26004993024,4cyclictest33-21ksoftirqd/200:01:042
26004993024,4cyclictest33-21ksoftirqd/200:01:032
26003993025,3cyclictest25-21ksoftirqd/123:36:071
26003993025,3cyclictest25-21ksoftirqd/121:35:491
26003993025,3cyclictest25-21ksoftirqd/121:32:271
26003993025,3cyclictest25-21ksoftirqd/120:32:331
26003993025,3cyclictest25-21ksoftirqd/100:35:121
26003993025,3cyclictest25-21ksoftirqd/100:29:141
26003993024,4cyclictest25-21ksoftirqd/123:42:141
26002993025,3cyclictest9-21ksoftirqd/020:38:310
26002993024,4cyclictest9-21ksoftirqd/023:21:140
26002993024,4cyclictest9-21ksoftirqd/022:46:000
26002993024,4cyclictest9-21ksoftirqd/022:12:010
26002993024,4cyclictest9-21ksoftirqd/021:02:580
26002993024,4cyclictest9-21ksoftirqd/020:50:590
26002993024,4cyclictest9-21ksoftirqd/000:34:590
26005992924,3cyclictest41-21ksoftirqd/323:13:313
26005992924,3cyclictest41-21ksoftirqd/320:38:053
26005992924,3cyclictest41-21ksoftirqd/320:11:103
26004992924,3cyclictest33-21ksoftirqd/200:17:052
26004992923,4cyclictest33-21ksoftirqd/223:40:412
26004992923,4cyclictest33-21ksoftirqd/220:54:582
2600499291,26cyclictest1107-21kworker/2:021:12:012
26003992924,3cyclictest25-21ksoftirqd/123:51:081
26003992924,3cyclictest25-21ksoftirqd/122:01:551
26003992924,3cyclictest25-21ksoftirqd/120:25:131
26003992924,3cyclictest25-21ksoftirqd/100:00:001
26002992924,3cyclictest9-21ksoftirqd/023:44:240
26002992923,4cyclictest9-21ksoftirqd/022:25:110
26002992923,4cyclictest9-21ksoftirqd/000:18:590
26004992823,3cyclictest33-21ksoftirqd/221:55:422
26004992823,3cyclictest33-21ksoftirqd/220:06:462
2600499281,26cyclictest1107-21kworker/2:022:49:062
2600499280,26cyclictest1107-21kworker/2:021:24:172
26003992822,4cyclictest25-21ksoftirqd/122:32:441
26003992822,4cyclictest25-21ksoftirqd/120:59:451
26003992822,4cyclictest25-21ksoftirqd/120:59:451
26003992822,4cyclictest25-21ksoftirqd/100:23:301
26002992822,4cyclictest9-21ksoftirqd/019:10:580
26005992722,3cyclictest41-21ksoftirqd/322:14:183
2600499273,11cyclictest1107-21kworker/2:021:40:162
26004992721,4cyclictest33-21ksoftirqd/219:21:512
26002992722,3cyclictest9-21ksoftirqd/021:43:380
139291270,0ptp4l401ktimersoftd/323:03:303
139291270,0ptp4l401ktimersoftd/323:03:303
26003992621,3cyclictest25-21ksoftirqd/121:10:011
26003992621,3cyclictest25-21ksoftirqd/100:16:031
26003992519,4cyclictest25-21ksoftirqd/122:39:261
26004992419,3cyclictest33-21ksoftirqd/219:31:452
26003992419,3cyclictest25-21ksoftirqd/120:05:181
26002992419,3cyclictest9-21ksoftirqd/020:17:010
26002992419,3cyclictest9-21ksoftirqd/020:17:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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