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2026-06-21 - 11:25
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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 Sun Jun 21, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
205382206173,22sleep10-21swapper/119:09:411
203252206172,22sleep20-21swapper/219:06:572
203262205173,21sleep30-21swapper/319:06:573
202292203170,22sleep00-21swapper/019:05:470
139391680,1ptp4l401ktimersoftd/321:40:183
307442590,6sleep22085699cyclictest20:35:232
4582570,5sleep12085599cyclictest19:35:001
171022550,6sleep02085499cyclictest23:30:190
287062530,2sleep30-21swapper/319:25:153
20856995214,5cyclictest33-21ksoftirqd/222:00:012
139391520,0ptp4l401ktimersoftd/323:01:523
139391520,0ptp4l401ktimersoftd/320:14:593
92352490,1sleep39237-21grep19:50:233
20857994537,5cyclictest8717-21cron21:00:013
139391450,0ptp4l401ktimersoftd/320:52:173
20857994437,4cyclictest23192-21cron21:30:003
139391430,1ptp4l401ktimersoftd/300:06:403
139391430,0ptp4l401ktimersoftd/322:00:533
139391430,0ptp4l401ktimersoftd/322:00:533
139391430,0ptp4l401ktimersoftd/321:33:493
139391420,0ptp4l401ktimersoftd/322:58:383
139391420,0ptp4l401ktimersoftd/319:45:143
20856994135,3cyclictest33-21ksoftirqd/220:45:002
20856994034,3cyclictest33-21ksoftirqd/222:24:592
139391400,1ptp4l401ktimersoftd/300:25:293
2085699399,4cyclictest33-21ksoftirqd/223:30:202
2085699397,2cyclictest33-21ksoftirqd/223:05:222
20856993924,3cyclictest33-21ksoftirqd/221:00:122
20856993834,2cyclictest33-21ksoftirqd/223:25:002
20856993833,3cyclictest33-21ksoftirqd/223:40:012
20856993833,3cyclictest33-21ksoftirqd/200:25:012
20856993832,3cyclictest33-21ksoftirqd/223:45:182
20856993827,9cyclictest33-21ksoftirqd/222:15:232
20856993825,11cyclictest33-21ksoftirqd/220:10:232
2085699380,5cyclictest33-21ksoftirqd/220:30:112
57898370,2rtkit-daemon577-21rtkit-daemon22:11:492
20857993731,4cyclictest41-21ksoftirqd/321:48:293
20856993733,3cyclictest33-21ksoftirqd/223:05:002
20856993731,3cyclictest33-21ksoftirqd/223:55:142
20856993731,3cyclictest33-21ksoftirqd/200:10:192
20856993724,10cyclictest33-21ksoftirqd/219:55:132
2085699371,4cyclictest33-21ksoftirqd/222:00:272
2085699371,4cyclictest33-21ksoftirqd/222:00:272
20855993731,4cyclictest25-21ksoftirqd/123:23:181
20855993731,4cyclictest25-21ksoftirqd/119:45:471
20855993731,4cyclictest25-21ksoftirqd/119:23:091
20854993731,4cyclictest9-21ksoftirqd/022:39:050
139391370,0ptp4l401ktimersoftd/321:00:163
20857993630,4cyclictest41-21ksoftirqd/323:52:493
20857993629,5cyclictest41-21ksoftirqd/321:09:053
2085699365,4cyclictest33-21ksoftirqd/221:40:222
20856993632,2cyclictest33-21ksoftirqd/223:15:192
20856993632,2cyclictest33-21ksoftirqd/220:25:182
20856993632,2cyclictest33-21ksoftirqd/200:00:202
20856993631,3cyclictest33-21ksoftirqd/223:55:012
20856993631,3cyclictest33-21ksoftirqd/222:40:002
20856993631,3cyclictest33-21ksoftirqd/222:10:002
20856993631,3cyclictest33-21ksoftirqd/219:35:222
20856993631,3cyclictest33-21ksoftirqd/200:20:002
20856993631,2cyclictest33-21ksoftirqd/222:55:152
20856993630,3cyclictest33-21ksoftirqd/222:30:172
20856993624,10cyclictest33-21ksoftirqd/219:50:262
2085699362,31cyclictest1317-21runrttasks00:08:542
20856993623,11cyclictest33-21ksoftirqd/223:45:012
20856993610,4cyclictest33-21ksoftirqd/221:35:152
2085599369,25cyclictest0-21swapper/100:31:251
2085599369,25cyclictest0-21swapper/100:31:241
20855993630,4cyclictest25-21ksoftirqd/123:17:531
20855993630,4cyclictest25-21ksoftirqd/119:50:451
20855993629,5cyclictest25-21ksoftirqd/122:27:181
20855993629,4cyclictest25-21ksoftirqd/123:26:191
2085599360,4cyclictest32230-21fschecks_time22:55:161
20854993631,3cyclictest9-21ksoftirqd/019:50:110
20857993530,3cyclictest41-21ksoftirqd/321:55:113
20857993529,4cyclictest41-21ksoftirqd/323:57:263
20857993529,4cyclictest41-21ksoftirqd/322:49:433
20857993529,4cyclictest41-21ksoftirqd/321:36:133
20857993528,4cyclictest41-21ksoftirqd/323:05:393
2085699355,7cyclictest33-21ksoftirqd/200:40:002
20856993531,3cyclictest33-21ksoftirqd/219:10:162
20856993531,2cyclictest549-21in:imuxsock20:19:432
20856993531,2cyclictest33-21ksoftirqd/223:25:232
20856993531,2cyclictest311rcuc/220:55:182
20856993530,3cyclictest33-21ksoftirqd/222:45:242
20856993530,3cyclictest33-21ksoftirqd/221:45:132
20856993530,3cyclictest33-21ksoftirqd/221:10:012
20856993530,3cyclictest33-21ksoftirqd/219:24:502
20856993530,2cyclictest33-21ksoftirqd/221:20:132
20856993529,4cyclictest33-21ksoftirqd/220:01:172
20856993529,4cyclictest33-21ksoftirqd/219:45:282
20856993528,4cyclictest33-21ksoftirqd/222:25:112
2085699351,4cyclictest33-21ksoftirqd/223:10:132
20855993529,4cyclictest25-21ksoftirqd/123:12:041
20855993529,4cyclictest25-21ksoftirqd/122:31:311
20855993529,4cyclictest25-21ksoftirqd/121:46:551
20855993529,4cyclictest25-21ksoftirqd/121:20:511
20855993529,4cyclictest25-21ksoftirqd/121:04:251
20855993529,4cyclictest25-21ksoftirqd/120:55:111
20855993529,4cyclictest25-21ksoftirqd/119:56:021
20855993529,4cyclictest25-21ksoftirqd/119:41:091
20855993529,4cyclictest25-21ksoftirqd/119:13:381
20855993528,5cyclictest25-21ksoftirqd/120:54:111
2085599351,20cyclictest0-21swapper/121:58:251
20854993529,4cyclictest9-21ksoftirqd/020:14:510
20857993428,4cyclictest41-21ksoftirqd/323:20:593
20857993428,4cyclictest41-21ksoftirqd/322:21:383
20857993428,4cyclictest41-21ksoftirqd/319:55:483
20857993427,5cyclictest41-21ksoftirqd/320:05:503
20857993426,5cyclictest41-21ksoftirqd/300:30:043
20857993426,5cyclictest41-21ksoftirqd/300:30:033
2085699344,4cyclictest33-21ksoftirqd/219:30:252
2085699343,2cyclictest121rcu_preempt20:20:232
20856993429,3cyclictest33-21ksoftirqd/221:50:252
20856993429,3cyclictest33-21ksoftirqd/221:15:122
20856993429,2cyclictest33-21ksoftirqd/222:40:132
20856993429,2cyclictest33-21ksoftirqd/221:35:012
20856993428,4cyclictest33-21ksoftirqd/221:25:082
20856993428,4cyclictest33-21ksoftirqd/220:06:552
2085699341,3cyclictest33-21ksoftirqd/219:25:132
2085699341,3cyclictest121rcu_preempt20:45:282
20855993429,3cyclictest25-21ksoftirqd/123:44:041
20855993428,4cyclictest25-21ksoftirqd/123:36:501
20855993428,4cyclictest25-21ksoftirqd/121:52:491
20855993428,4cyclictest25-21ksoftirqd/121:15:501
20855993428,4cyclictest25-21ksoftirqd/120:32:571
20855993428,4cyclictest25-21ksoftirqd/120:27:201
20855993428,4cyclictest25-21ksoftirqd/119:17:311
20855993427,4cyclictest25-21ksoftirqd/122:15:591
20855993427,4cyclictest25-21ksoftirqd/100:15:001
2085599340,33cyclictest0-21swapper/123:46:131
20854993428,4cyclictest9-21ksoftirqd/023:36:420
20854993428,4cyclictest9-21ksoftirqd/021:44:170
20854993428,4cyclictest9-21ksoftirqd/021:18:240
20854993427,4cyclictest9-21ksoftirqd/021:51:580
20857993327,4cyclictest41-21ksoftirqd/320:03:513
20857993327,4cyclictest41-21ksoftirqd/319:36:383
20857993327,4cyclictest41-21ksoftirqd/300:22:373
20857993327,4cyclictest41-21ksoftirqd/300:10:383
20857993327,3cyclictest41-21ksoftirqd/323:40:393
2085699333,4cyclictest33-21ksoftirqd/221:10:152
20856993329,3cyclictest33-21ksoftirqd/200:35:002
20856993329,3cyclictest33-21ksoftirqd/200:35:002
20856993329,2cyclictest33-21ksoftirqd/220:50:182
20856993328,3cyclictest33-21ksoftirqd/219:15:152
20856993327,4cyclictest33-21ksoftirqd/222:54:592
20855993328,3cyclictest25-21ksoftirqd/123:30:311
20855993328,3cyclictest25-21ksoftirqd/122:39:361
20855993328,3cyclictest25-21ksoftirqd/122:06:481
20855993328,3cyclictest25-21ksoftirqd/120:18:401
20855993327,4cyclictest25-21ksoftirqd/122:11:101
20855993327,4cyclictest25-21ksoftirqd/120:03:161
20855993327,4cyclictest25-21ksoftirqd/100:26:321
20855993327,4cyclictest25-21ksoftirqd/100:22:551
20855993327,4cyclictest25-21ksoftirqd/100:00:531
2085599331,18cyclictest15017-21runrttasks00:35:081
20854993329,3cyclictest9-21ksoftirqd/000:24:000
20854993328,3cyclictest9-21ksoftirqd/023:12:260
20854993327,4cyclictest9-21ksoftirqd/022:43:570
20854993327,4cyclictest9-21ksoftirqd/021:58:360
20854993327,4cyclictest9-21ksoftirqd/020:39:380
20854993327,4cyclictest9-21ksoftirqd/020:25:530
20854993327,4cyclictest9-21ksoftirqd/020:04:350
20857993228,2cyclictest139391ptp4l23:36:133
20857993227,3cyclictest41-21ksoftirqd/322:40:563
20857993226,4cyclictest41-21ksoftirqd/323:33:193
20857993226,4cyclictest41-21ksoftirqd/323:18:593
20857993226,4cyclictest41-21ksoftirqd/322:53:593
20857993226,4cyclictest41-21ksoftirqd/321:15:563
20857993225,5cyclictest41-21ksoftirqd/320:24:333
20857993225,5cyclictest41-21ksoftirqd/319:15:453
2085699322,6cyclictest121rcu_preempt00:25:112
20856993226,3cyclictest33-21ksoftirqd/219:40:202
20855993227,3cyclictest25-21ksoftirqd/122:50:131
20855993227,3cyclictest25-21ksoftirqd/122:20:091
20855993226,4cyclictest25-21ksoftirqd/120:46:051
20855993226,4cyclictest25-21ksoftirqd/100:18:421
20854993227,3cyclictest9-21ksoftirqd/020:05:100
20854993226,4cyclictest9-21ksoftirqd/023:51:540
20854993226,4cyclictest9-21ksoftirqd/022:28:380
20854993226,4cyclictest9-21ksoftirqd/021:48:340
20854993226,4cyclictest9-21ksoftirqd/021:29:590
20854993226,4cyclictest9-21ksoftirqd/020:57:460
20854993226,4cyclictest9-21ksoftirqd/019:22:430
20854993225,4cyclictest9-21ksoftirqd/023:03:120
20857993126,3cyclictest41-21ksoftirqd/322:35:123
20857993126,3cyclictest41-21ksoftirqd/322:29:013
20857993126,3cyclictest41-21ksoftirqd/322:13:293
20857993126,3cyclictest41-21ksoftirqd/320:45:123
20857993126,3cyclictest41-21ksoftirqd/319:33:313
20857993125,4cyclictest41-21ksoftirqd/320:38:003
20857993125,4cyclictest41-21ksoftirqd/319:44:123
20857993125,3cyclictest41-21ksoftirqd/300:00:413
20855993126,3cyclictest25-21ksoftirqd/122:04:191
20855993126,3cyclictest25-21ksoftirqd/122:04:191
20855993126,3cyclictest25-21ksoftirqd/121:33:011
20855993125,4cyclictest25-21ksoftirqd/123:59:371
20855993125,4cyclictest25-21ksoftirqd/123:50:421
20855993125,4cyclictest25-21ksoftirqd/121:40:441
20855993125,4cyclictest25-21ksoftirqd/121:27:291
20855993125,4cyclictest25-21ksoftirqd/120:43:471
20855993125,4cyclictest25-21ksoftirqd/120:11:021
20854993126,3cyclictest9-21ksoftirqd/023:17:090
20854993126,3cyclictest9-21ksoftirqd/022:33:070
20854993126,3cyclictest9-21ksoftirqd/022:03:150
20854993126,3cyclictest9-21ksoftirqd/022:03:150
20854993126,3cyclictest9-21ksoftirqd/019:58:290
20854993126,3cyclictest9-21ksoftirqd/000:08:460
20854993125,4cyclictest9-21ksoftirqd/022:19:420
20854993125,4cyclictest9-21ksoftirqd/021:24:540
20854993125,4cyclictest9-21ksoftirqd/020:45:520
20854993125,4cyclictest9-21ksoftirqd/020:42:070
20854993125,4cyclictest9-21ksoftirqd/020:31:080
20854993125,4cyclictest9-21ksoftirqd/019:38:400
20854993125,4cyclictest9-21ksoftirqd/000:27:010
20854993125,3cyclictest9-21ksoftirqd/023:05:090
20854993124,5cyclictest9-21ksoftirqd/019:14:370
139391310,0ptp4l401ktimersoftd/323:45:243
139391310,0ptp4l401ktimersoftd/320:18:563
20857993024,4cyclictest41-21ksoftirqd/323:10:493
20857993024,4cyclictest41-21ksoftirqd/322:31:533
20857993024,4cyclictest41-21ksoftirqd/322:17:303
20857993024,4cyclictest41-21ksoftirqd/321:14:433
20857993024,4cyclictest41-21ksoftirqd/320:42:223
20857993024,4cyclictest41-21ksoftirqd/319:10:393
20855993024,4cyclictest25-21ksoftirqd/123:06:491
20855993024,4cyclictest25-21ksoftirqd/121:12:241
2085599300,4cyclictest26743-21cron22:45:011
20854993025,3cyclictest9-21ksoftirqd/022:57:300
20854993025,3cyclictest9-21ksoftirqd/021:35:110
20854993024,4cyclictest9-21ksoftirqd/021:34:060
20854993024,4cyclictest9-21ksoftirqd/020:21:450
20854993024,3cyclictest12007-21irqrtprio21:05:170
139391300,0ptp4l401ktimersoftd/319:20:533
20857992923,4cyclictest41-21ksoftirqd/321:50:383
20857992922,4cyclictest41-21ksoftirqd/320:32:463
20855992924,3cyclictest25-21ksoftirqd/121:08:231
20855992924,3cyclictest25-21ksoftirqd/120:05:511
20855992916,12cyclictest0-21swapper/120:20:441
20855992911,15cyclictest30504-21latency_hist19:30:001
2085599290,1cyclictest0-21swapper/120:35:121
20854992924,3cyclictest9-21ksoftirqd/023:20:480
20854992923,4cyclictest9-21ksoftirqd/023:58:040
20854992923,4cyclictest9-21ksoftirqd/023:43:160
20854992923,4cyclictest9-21ksoftirqd/022:54:200
20854992923,4cyclictest9-21ksoftirqd/020:51:170
20854992923,4cyclictest9-21ksoftirqd/000:39:430
20854992923,4cyclictest9-21ksoftirqd/000:01:080
139391290,0ptp4l401ktimersoftd/322:05:183
20857992824,3cyclictest41-21ksoftirqd/323:27:323
20857992823,3cyclictest41-21ksoftirqd/300:35:013
20857992823,3cyclictest41-21ksoftirqd/300:18:253
20855992823,3cyclictest25-21ksoftirqd/119:35:161
20854992823,3cyclictest9-21ksoftirqd/021:13:550
20854992823,3cyclictest9-21ksoftirqd/020:17:080
20854992822,4cyclictest9-21ksoftirqd/022:46:260
20854992822,4cyclictest9-21ksoftirqd/022:11:120
20854992822,4cyclictest9-21ksoftirqd/019:27:320
20857992722,3cyclictest41-21ksoftirqd/321:21:453
2085599270,2cyclictest28289-21latency_hist21:40:001
2085599270,2cyclictest0-21swapper/100:05:211
2085599270,1cyclictest0-21swapper/122:45:171
20854992722,3cyclictest9-21ksoftirqd/023:47:170
20854992722,3cyclictest9-21ksoftirqd/021:02:100
20854992721,4cyclictest9-21ksoftirqd/022:21:310
20854992721,3cyclictest9-21ksoftirqd/019:46:010
20857992620,4cyclictest41-21ksoftirqd/320:26:133
2085599260,3cyclictest2902-21needreboot23:00:201
20854992621,3cyclictest9-21ksoftirqd/019:31:380
20854992620,4cyclictest9-21ksoftirqd/000:31:490
20854992620,4cyclictest9-21ksoftirqd/000:31:490
20854992620,3cyclictest9-21ksoftirqd/023:29:500
20854992520,3cyclictest9-21ksoftirqd/000:10:310
20854992519,4cyclictest9-21ksoftirqd/022:09:240
20854992419,3cyclictest9-21ksoftirqd/019:41:110
20854992318,3cyclictest9-21ksoftirqd/000:17:000
20854992217,3cyclictest9-21ksoftirqd/019:16:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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