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2025-12-23 - 10:21
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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 Tue Dec 23, 2025 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
230432205171,23sleep20-21swapper/219:07:502
231662203170,22sleep10-21swapper/119:09:271
230002203170,22sleep30-21swapper/319:07:233
230462200167,22sleep00-21swapper/019:07:530
318972570,2sleep10-21swapper/120:35:141
94492560,2sleep10-21swapper/120:55:201
62432530,2sleep00-21swapper/000:10:180
134391530,6getstats2350499cyclictest20:37:483
104432510,6sleep02350199cyclictest22:05:150
152472500,1sleep115252-21vmstat21:05:271
23501994841,4cyclictest19429-21idleruntime-cro20:10:000
57898470,2rtkit-daemon0-21swapper/023:10:140
23503994633,11cyclictest33-21ksoftirqd/223:55:012
23504994540,3cyclictest31295-21sh22:50:003
23502994438,3cyclictest25-21ksoftirqd/121:40:001
139391440,0ptp4l401ktimersoftd/323:43:063
139391430,0ptp4l401ktimersoftd/321:22:033
139391420,0ptp4l401ktimersoftd/321:07:393
139391420,0ptp4l401ktimersoftd/319:30:053
23504994111,29cyclictest26601-21kworker/3:120:55:433
23503994134,4cyclictest26534-21cron22:40:002
23502994132,7cyclictest25-21ksoftirqd/121:20:001
23502994110,7cyclictest25-21ksoftirqd/119:30:001
23502994036,2cyclictest25-21ksoftirqd/122:45:001
23502994034,3cyclictest25-21ksoftirqd/122:20:001
23502994011,6cyclictest25-21ksoftirqd/122:15:001
139391400,0ptp4l401ktimersoftd/320:49:573
23503993933,3cyclictest33-21ksoftirqd/200:05:002
2350299393,3cyclictest25-21ksoftirqd/119:15:261
2350299392,3cyclictest25-21ksoftirqd/123:25:221
139391390,0ptp4l401ktimersoftd/300:00:013
23504993831,4cyclictest41-21ksoftirqd/321:15:013
23503993834,2cyclictest33-21ksoftirqd/221:05:002
23503993834,2cyclictest33-21ksoftirqd/221:05:002
23503993831,4cyclictest33-21ksoftirqd/221:15:132
23503993830,6cyclictest33-21ksoftirqd/220:31:302
2350299386,2cyclictest25-21ksoftirqd/119:20:181
2350299385,6cyclictest25-21ksoftirqd/122:30:141
2350299385,3cyclictest25-21ksoftirqd/121:50:151
23502993834,3cyclictest25-21ksoftirqd/123:15:001
23502993834,3cyclictest25-21ksoftirqd/120:20:001
23502993833,3cyclictest25-21ksoftirqd/122:10:001
23502993833,3cyclictest25-21ksoftirqd/100:05:001
23502993833,2cyclictest25-21ksoftirqd/120:50:001
2350299382,3cyclictest25-21ksoftirqd/100:05:171
23502993810,4cyclictest25-21ksoftirqd/121:40:141
139391380,0ptp4l401ktimersoftd/320:40:063
57898370,7rtkit-daemon0-21swapper/100:20:411
23503993732,3cyclictest33-21ksoftirqd/200:20:002
23503993731,4cyclictest33-21ksoftirqd/220:27:182
23503993729,6cyclictest33-21ksoftirqd/221:06:372
2350299377,4cyclictest25-21ksoftirqd/121:55:221
23502993733,3cyclictest25-21ksoftirqd/121:35:001
23502993733,3cyclictest25-21ksoftirqd/100:20:001
23502993732,3cyclictest25-21ksoftirqd/123:05:001
23502993731,4cyclictest25-21ksoftirqd/123:42:471
23502993730,4cyclictest25-21ksoftirqd/123:07:591
2350299371,3cyclictest25-21ksoftirqd/100:10:231
1394913731,3phc2sys41-21ksoftirqd/321:40:113
23504993630,4cyclictest41-21ksoftirqd/319:44:583
23504993629,4cyclictest41-21ksoftirqd/322:40:283
23503993633,2cyclictest33-21ksoftirqd/223:30:002
23503993632,2cyclictest33-21ksoftirqd/219:59:592
23503993631,3cyclictest33-21ksoftirqd/220:25:002
23503993629,4cyclictest33-21ksoftirqd/221:14:382
23503993627,8cyclictest33-21ksoftirqd/219:20:212
23503993627,7cyclictest33-21ksoftirqd/222:01:472
23503993626,7cyclictest33-21ksoftirqd/221:21:392
2350299367,3cyclictest25-21ksoftirqd/121:46:181
2350299366,7cyclictest25-21ksoftirqd/122:35:211
2350299365,6cyclictest25-21ksoftirqd/120:50:191
2350299364,6cyclictest25-21ksoftirqd/121:20:121
2350299363,3cyclictest25-21ksoftirqd/123:35:171
23502993632,3cyclictest25-21ksoftirqd/119:59:591
23502993632,2cyclictest25-21ksoftirqd/122:45:181
23502993632,2cyclictest25-21ksoftirqd/119:45:001
23502993632,2cyclictest25-21ksoftirqd/119:30:141
23502993632,2cyclictest25-21ksoftirqd/119:14:591
23502993632,2cyclictest17245-21basename22:20:141
23502993631,3cyclictest25-21ksoftirqd/122:50:181
23502993631,3cyclictest25-21ksoftirqd/121:25:191
23502993631,3cyclictest25-21ksoftirqd/120:30:111
23502993631,3cyclictest25-21ksoftirqd/120:05:381
23502993630,4cyclictest25-21ksoftirqd/100:28:201
23502993630,3cyclictest25-21ksoftirqd/123:30:141
23501993631,3cyclictest9-21ksoftirqd/023:05:010
57898350,2rtkit-daemon0-21swapper/122:58:511
23504993529,4cyclictest41-21ksoftirqd/319:50:583
23504993529,3cyclictest41-21ksoftirqd/322:40:003
2350399353,3cyclictest121rcu_preempt22:00:012
23503993530,3cyclictest33-21ksoftirqd/223:00:012
23503993530,3cyclictest33-21ksoftirqd/221:40:122
23503993530,3cyclictest33-21ksoftirqd/220:55:202
23503993530,3cyclictest33-21ksoftirqd/219:50:012
23503993530,3cyclictest33-21ksoftirqd/219:40:172
23503993530,2cyclictest33-21ksoftirqd/219:15:182
23503993530,2cyclictest33-21ksoftirqd/200:14:592
23503993529,4cyclictest33-21ksoftirqd/223:19:022
23503993529,4cyclictest33-21ksoftirqd/222:43:112
23503993529,4cyclictest33-21ksoftirqd/221:39:502
23503993529,3cyclictest33-21ksoftirqd/223:00:122
23503993529,3cyclictest33-21ksoftirqd/219:55:002
23503993528,5cyclictest33-21ksoftirqd/220:41:572
23503993523,10cyclictest33-21ksoftirqd/222:25:202
2350299356,2cyclictest121rcu_preempt22:25:151
2350299354,3cyclictest25-21ksoftirqd/120:20:131
23502993529,4cyclictest25-21ksoftirqd/120:41:001
23502993529,4cyclictest25-21ksoftirqd/119:46:561
2350299352,3cyclictest121rcu_preempt19:50:141
2350299351,4cyclictest25-21ksoftirqd/121:00:251
2350299351,4cyclictest25-21ksoftirqd/121:00:251
23501993530,3cyclictest9-21ksoftirqd/023:22:070
23501993529,4cyclictest9-21ksoftirqd/022:25:090
23501993529,4cyclictest32726-21cron21:45:000
23504993429,3cyclictest41-21ksoftirqd/319:15:113
23504993428,3cyclictest41-21ksoftirqd/320:20:113
23503993430,3cyclictest33-21ksoftirqd/223:35:002
23503993429,3cyclictest33-21ksoftirqd/223:50:012
23503993429,3cyclictest33-21ksoftirqd/222:20:012
23503993429,3cyclictest33-21ksoftirqd/200:06:312
23503993428,4cyclictest33-21ksoftirqd/223:59:582
23503993428,4cyclictest33-21ksoftirqd/222:48:342
23503993428,3cyclictest33-21ksoftirqd/222:10:002
23503993428,3cyclictest33-21ksoftirqd/200:31:082
2350299347,3cyclictest25-21ksoftirqd/119:35:281
2350299347,3cyclictest25-21ksoftirqd/119:35:281
2350299343,5cyclictest25-21ksoftirqd/100:35:311
23502993430,2cyclictest25-21ksoftirqd/120:25:181
23502993429,3cyclictest25-21ksoftirqd/123:50:001
23502993428,4cyclictest25-21ksoftirqd/123:59:161
23502993427,4cyclictest25-21ksoftirqd/123:15:161
2350299342,4cyclictest25-21ksoftirqd/121:10:261
23501993428,4cyclictest9-21ksoftirqd/021:08:030
23501993428,3cyclictest9-21ksoftirqd/022:30:190
23501993428,3cyclictest9-21ksoftirqd/019:45:170
23504993329,3cyclictest41-21ksoftirqd/321:28:013
23504993327,4cyclictest41-21ksoftirqd/323:25:363
23504993327,4cyclictest41-21ksoftirqd/323:18:063
23504993327,4cyclictest41-21ksoftirqd/322:12:403
23504993327,4cyclictest41-21ksoftirqd/322:09:113
23504993327,4cyclictest41-21ksoftirqd/319:45:263
23504993326,5cyclictest41-21ksoftirqd/319:38:293
23504993326,5cyclictest41-21ksoftirqd/319:38:283
23504993312,20cyclictest22352-21kworker/3:222:26:223
23503993329,3cyclictest33-21ksoftirqd/222:14:592
23503993329,3cyclictest33-21ksoftirqd/220:15:002
23503993328,3cyclictest33-21ksoftirqd/223:43:012
23503993328,3cyclictest33-21ksoftirqd/223:40:012
23503993328,3cyclictest33-21ksoftirqd/222:20:002
23503993328,3cyclictest33-21ksoftirqd/220:46:332
23503993327,4cyclictest33-21ksoftirqd/220:04:462
23503993326,6cyclictest33-21ksoftirqd/220:06:252
2350299335,2cyclictest25-21ksoftirqd/123:20:211
2350299334,6cyclictest121rcu_preempt20:00:151
23502993328,3cyclictest25-21ksoftirqd/100:33:511
2350299331,7cyclictest25-21ksoftirqd/120:10:231
23501993329,3cyclictest9-21ksoftirqd/020:20:190
23501993328,3cyclictest9-21ksoftirqd/019:24:300
23501993327,4cyclictest9-21ksoftirqd/023:07:130
23501993327,4cyclictest9-21ksoftirqd/022:18:100
23501993327,4cyclictest9-21ksoftirqd/021:50:430
23501993327,4cyclictest9-21ksoftirqd/000:25:480
23501993326,5cyclictest9-21ksoftirqd/021:05:000
23501993326,5cyclictest9-21ksoftirqd/021:05:000
23501993326,4cyclictest9-21ksoftirqd/023:55:180
297882320,7sleep32350499cyclictest21:35:253
23504993227,3cyclictest41-21ksoftirqd/322:59:213
23504993227,3cyclictest41-21ksoftirqd/321:45:293
23504993227,3cyclictest41-21ksoftirqd/321:03:173
23504993227,3cyclictest41-21ksoftirqd/321:03:173
23504993226,4cyclictest41-21ksoftirqd/323:23:363
23504993226,4cyclictest41-21ksoftirqd/322:16:293
23504993226,4cyclictest41-21ksoftirqd/322:03:223
23504993226,4cyclictest41-21ksoftirqd/321:54:153
23503993228,2cyclictest33-21ksoftirqd/200:30:012
23503993227,3cyclictest33-21ksoftirqd/221:54:122
23503993227,3cyclictest33-21ksoftirqd/219:31:492
23503993227,2cyclictest33-21ksoftirqd/219:25:132
23503993227,2cyclictest33-21ksoftirqd/200:25:012
23503993226,4cyclictest33-21ksoftirqd/223:11:202
23503993222,9cyclictest33-21ksoftirqd/222:30:242
2350299324,2cyclictest121rcu_preempt23:50:141
23501993228,3cyclictest9-21ksoftirqd/019:12:280
23501993226,4cyclictest9-21ksoftirqd/023:51:180
23501993226,4cyclictest9-21ksoftirqd/022:12:450
23501993226,4cyclictest9-21ksoftirqd/021:18:540
23501993226,4cyclictest9-21ksoftirqd/019:19:390
23504993126,3cyclictest41-21ksoftirqd/323:03:503
23504993126,3cyclictest41-21ksoftirqd/321:33:173
23504993126,3cyclictest41-21ksoftirqd/300:09:463
23504993125,4cyclictest41-21ksoftirqd/321:16:243
23504993125,4cyclictest41-21ksoftirqd/320:03:193
23504993124,5cyclictest41-21ksoftirqd/322:54:363
23503993126,3cyclictest33-21ksoftirqd/222:50:142
23503993126,3cyclictest33-21ksoftirqd/220:35:592
23503993125,4cyclictest33-21ksoftirqd/220:53:042
23503993122,3cyclictest33-21ksoftirqd/221:30:252
23502993127,3cyclictest25-21ksoftirqd/122:00:141
23501993126,3cyclictest9-21ksoftirqd/022:50:120
23501993126,3cyclictest9-21ksoftirqd/020:03:260
23501993126,3cyclictest9-21ksoftirqd/019:40:000
23501993126,3cyclictest9-21ksoftirqd/019:40:000
23501993126,3cyclictest9-21ksoftirqd/000:30:250
23501993126,3cyclictest9-21ksoftirqd/000:07:130
23501993125,4cyclictest9-21ksoftirqd/023:34:530
23501993125,4cyclictest9-21ksoftirqd/022:49:430
23501993125,4cyclictest9-21ksoftirqd/020:49:490
23504993026,3cyclictest41-21ksoftirqd/323:55:153
23504993025,3cyclictest41-21ksoftirqd/323:35:553
23504993025,3cyclictest41-21ksoftirqd/300:32:383
23504993024,4cyclictest41-21ksoftirqd/320:08:243
23503993026,2cyclictest33-21ksoftirqd/221:46:442
23503993025,3cyclictest33-21ksoftirqd/223:05:132
23503993024,3cyclictest33-21ksoftirqd/219:35:142
23503993024,3cyclictest33-21ksoftirqd/219:35:142
23503993021,7cyclictest33-21ksoftirqd/220:15:222
23501993025,3cyclictest9-21ksoftirqd/021:35:000
23501993025,3cyclictest9-21ksoftirqd/020:51:050
23501993025,3cyclictest9-21ksoftirqd/019:53:370
23501993024,4cyclictest9-21ksoftirqd/023:49:250
23501993024,4cyclictest9-21ksoftirqd/020:34:450
139391300,0ptp4l401ktimersoftd/323:49:143
139391300,0ptp4l401ktimersoftd/321:58:243
139391300,0ptp4l401ktimersoftd/320:15:033
139391300,0ptp4l401ktimersoftd/300:29:183
23504992924,3cyclictest41-21ksoftirqd/323:31:183
23504992924,3cyclictest41-21ksoftirqd/319:22:083
23504992924,3cyclictest41-21ksoftirqd/300:16:173
23504992924,3cyclictest41-21ksoftirqd/300:13:213
23504992924,3cyclictest10267-21chrt00:20:123
23503992918,9cyclictest33-21ksoftirqd/219:10:232
23501992924,3cyclictest9-21ksoftirqd/023:26:140
23501992924,3cyclictest9-21ksoftirqd/020:42:510
23501992924,3cyclictest9-21ksoftirqd/020:35:190
23501992924,3cyclictest9-21ksoftirqd/020:17:420
23501992924,3cyclictest9-21ksoftirqd/019:44:170
23501992923,4cyclictest9-21ksoftirqd/000:16:570
23501992923,3cyclictest9-21ksoftirqd/020:55:050
139391290,0ptp4l401ktimersoftd/322:21:163
23504992823,3cyclictest41-21ksoftirqd/322:33:303
23504992823,3cyclictest41-21ksoftirqd/320:26:453
23504992822,4cyclictest41-21ksoftirqd/320:33:283
23503992824,3cyclictest33-21ksoftirqd/223:23:092
23503992824,3cyclictest33-21ksoftirqd/221:25:202
23503992824,2cyclictest33-21ksoftirqd/200:37:242
23501992824,3cyclictest9-21ksoftirqd/020:10:200
23501992823,3cyclictest9-21ksoftirqd/023:39:220
23501992823,3cyclictest9-21ksoftirqd/022:03:110
23501992823,3cyclictest9-21ksoftirqd/021:26:560
23501992823,3cyclictest9-21ksoftirqd/000:35:220
23501992822,4cyclictest9-21ksoftirqd/023:19:000
23501992822,4cyclictest9-21ksoftirqd/022:41:040
23501992822,4cyclictest9-21ksoftirqd/021:36:270
23501992822,4cyclictest9-21ksoftirqd/021:13:200
139391280,0ptp4l401ktimersoftd/323:50:123
139391280,0ptp4l401ktimersoftd/320:52:333
23504992722,3cyclictest41-21ksoftirqd/323:10:513
23504992722,3cyclictest41-21ksoftirqd/323:06:523
23504992721,4cyclictest41-21ksoftirqd/319:13:543
23501992723,3cyclictest9-21ksoftirqd/022:35:100
23501992723,3cyclictest17450-21kworker/0:222:20:210
23501992722,3cyclictest9-21ksoftirqd/023:43:270
23501992722,3cyclictest9-21ksoftirqd/022:58:020
23501992722,3cyclictest9-21ksoftirqd/019:25:430
23504992621,3cyclictest41-21ksoftirqd/319:25:123
23504992621,3cyclictest41-21ksoftirqd/300:36:183
23504992620,4cyclictest41-21ksoftirqd/319:58:463
23501992622,3cyclictest9-21ksoftirqd/000:20:210
23501992622,2cyclictest9-21ksoftirqd/019:59:590
23501992621,3cyclictest9-21ksoftirqd/000:05:000
23501992620,4cyclictest9-21ksoftirqd/021:59:450
23501992620,4cyclictest9-21ksoftirqd/021:20:090
23501992620,3cyclictest9-21ksoftirqd/021:45:190
23504992520,3cyclictest41-21ksoftirqd/320:14:023
23501992520,3cyclictest9-21ksoftirqd/020:25:120
23501992519,4cyclictest9-21ksoftirqd/019:30:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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