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2026-09-07 - 04:31
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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 Mon Sep 07, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165762241195,35sleep30-21swapper/319:07:593
164102208175,22sleep10-21swapper/119:05:561
165422204171,22sleep00-21swapper/019:07:320
164862203169,22sleep20-21swapper/219:06:492
187522770,2sleep00-21swapper/019:10:280
17025996331,4cyclictest9-21ksoftirqd/021:40:200
93402620,2sleep10-21swapper/120:00:201
139391580,1ptp4l401ktimersoftd/319:18:183
139391570,1ptp4l391rcuc/300:20:193
294012540,7sleep31702899cyclictest20:40:253
17025995426,3cyclictest9-21ksoftirqd/021:40:000
139391540,1ptp4l401ktimersoftd/300:39:363
17026995318,7cyclictest25-21ksoftirqd/121:25:271
92282520,2sleep10-21swapper/121:05:271
17025995222,4cyclictest9-21ksoftirqd/020:30:220
300472510,1sleep20-21swapper/221:50:202
17026995020,4cyclictest25-21ksoftirqd/119:35:251
139391500,0ptp4l401ktimersoftd/300:07:573
17026994810,9cyclictest25-21ksoftirqd/123:30:141
17025994820,4cyclictest9-21ksoftirqd/019:50:190
17025994819,3cyclictest9-21ksoftirqd/000:15:260
17025994817,3cyclictest9-21ksoftirqd/021:55:180
17027994730,14cyclictest2635-21cron20:54:592
57898460,20rtkit-daemon1453-21gpm21:05:170
17026994617,4cyclictest25-21ksoftirqd/123:25:221
17025994619,3cyclictest9-21ksoftirqd/020:40:230
17026994532,3cyclictest25-21ksoftirqd/121:50:301
17026994515,4cyclictest25-21ksoftirqd/122:29:571
17026994514,4cyclictest25-21ksoftirqd/122:30:201
17026994513,4cyclictest25-21ksoftirqd/121:35:231
17025994512,4cyclictest9-21ksoftirqd/023:55:140
1702699443,3cyclictest121rcu_preempt20:35:271
17026994416,10cyclictest25-21ksoftirqd/123:05:161
1702599449,4cyclictest9-21ksoftirqd/020:59:590
1702699439,4cyclictest25-21ksoftirqd/100:20:201
1702699438,4cyclictest25-21ksoftirqd/122:35:201
17026994315,4cyclictest25-21ksoftirqd/119:17:051
17025994330,3cyclictest9-21ksoftirqd/023:45:230
17025994328,4cyclictest9-21ksoftirqd/022:20:020
17025994327,3cyclictest9-21ksoftirqd/022:10:160
1702599430,6cyclictest9-21ksoftirqd/023:00:260
139391430,0ptp4l401ktimersoftd/323:26:383
139391430,0ptp4l401ktimersoftd/300:03:083
17026994213,4cyclictest25-21ksoftirqd/119:51:401
17026994213,4cyclictest25-21ksoftirqd/119:26:441
17028994135,4cyclictest27011-21dump-pmu-power00:00:013
1702699417,3cyclictest25-21ksoftirqd/121:34:291
17026994126,4cyclictest25-21ksoftirqd/100:30:271
1702699411,6cyclictest25-21ksoftirqd/122:45:121
17025994137,2cyclictest9-21ksoftirqd/020:40:000
17025994127,4cyclictest9-21ksoftirqd/022:50:000
17025994113,4cyclictest9-21ksoftirqd/023:05:160
139391410,1ptp4l401ktimersoftd/319:51:363
139391410,0ptp4l401ktimersoftd/319:12:053
17026994027,3cyclictest25-21ksoftirqd/120:25:161
17026994012,3cyclictest25-21ksoftirqd/123:40:191
17025994028,3cyclictest9-21ksoftirqd/023:30:010
17025994027,3cyclictest9-21ksoftirqd/000:15:000
17025994027,3cyclictest9-21ksoftirqd/000:05:180
17025994026,4cyclictest9-21ksoftirqd/020:15:240
17025994025,3cyclictest9-21ksoftirqd/020:15:010
17025994013,4cyclictest9-21ksoftirqd/020:00:000
139391400,0ptp4l401ktimersoftd/323:15:293
1702699394,4cyclictest25-21ksoftirqd/119:30:201
17026993935,2cyclictest25-21ksoftirqd/100:00:011
17026993934,3cyclictest25-21ksoftirqd/120:10:161
17026993934,3cyclictest25-21ksoftirqd/100:05:011
1702599398,3cyclictest9-21ksoftirqd/020:54:590
17025993925,3cyclictest9-21ksoftirqd/019:15:160
17025993912,4cyclictest9-21ksoftirqd/020:25:160
17025993911,4cyclictest9-21ksoftirqd/000:35:250
17027993832,4cyclictest33-21ksoftirqd/220:46:222
17027993828,4cyclictest33-21ksoftirqd/222:14:492
1702699384,2cyclictest25-21ksoftirqd/100:10:241
17026993834,2cyclictest25-21ksoftirqd/123:00:001
17026993833,3cyclictest25-21ksoftirqd/122:10:271
17026993831,5cyclictest25-21ksoftirqd/119:13:501
17026993830,5cyclictest25-21ksoftirqd/119:45:011
17025993832,3cyclictest9-21ksoftirqd/000:30:270
17025993828,3cyclictest9-21ksoftirqd/022:10:010
17025993828,3cyclictest9-21ksoftirqd/022:10:010
17025993825,4cyclictest9-21ksoftirqd/021:05:010
17025993825,3cyclictest9-21ksoftirqd/023:10:280
17025993825,3cyclictest9-21ksoftirqd/021:30:200
17025993823,3cyclictest9-21ksoftirqd/020:00:180
139391380,0ptp4l401ktimersoftd/322:55:183
17028993731,4cyclictest41-21ksoftirqd/319:29:043
17028993730,5cyclictest41-21ksoftirqd/321:30:043
17026993733,3cyclictest25-21ksoftirqd/100:15:141
17026993732,3cyclictest25-21ksoftirqd/123:15:201
17026993732,3cyclictest25-21ksoftirqd/120:30:221
17026993732,3cyclictest25-21ksoftirqd/100:35:271
17026993730,4cyclictest25-21ksoftirqd/123:24:261
17026993730,4cyclictest25-21ksoftirqd/121:57:141
17026993724,3cyclictest25-21ksoftirqd/120:55:261
1702699372,3cyclictest121rcu_preempt20:48:121
17026993710,3cyclictest121rcu_preempt22:15:231
1702599373,2cyclictest9-21ksoftirqd/020:06:300
17025993731,3cyclictest9-21ksoftirqd/019:25:160
17025993724,3cyclictest9-21ksoftirqd/022:30:140
17025993710,4cyclictest9-21ksoftirqd/000:26:190
17028993631,3cyclictest41-21ksoftirqd/300:29:033
17028993630,4cyclictest41-21ksoftirqd/322:22:233
17027993631,3cyclictest16940-21cron21:25:002
17027993630,4cyclictest33-21ksoftirqd/222:40:022
17027993630,4cyclictest33-21ksoftirqd/219:54:392
1702699369,3cyclictest121rcu_preempt20:05:241
1702699364,2cyclictest121rcu_preempt21:20:231
17026993633,2cyclictest25-21ksoftirqd/123:55:011
17026993633,2cyclictest25-21ksoftirqd/122:05:001
17026993632,2cyclictest25-21ksoftirqd/123:10:281
17026993631,3cyclictest25-21ksoftirqd/121:45:011
17026993631,3cyclictest25-21ksoftirqd/119:45:261
17026993630,4cyclictest25-21ksoftirqd/120:24:111
17026993629,4cyclictest25-21ksoftirqd/123:35:331
1702699361,3cyclictest121rcu_preempt00:25:301
17025993632,2cyclictest9-21ksoftirqd/022:20:010
17025993632,2cyclictest9-21ksoftirqd/021:15:200
17025993631,3cyclictest9-21ksoftirqd/022:35:150
17025993631,2cyclictest9-21ksoftirqd/019:40:150
17025993630,4cyclictest9-21ksoftirqd/023:00:010
1702599362,3cyclictest121rcu_preempt00:25:000
17025993621,3cyclictest9-21ksoftirqd/021:10:190
1702599361,4cyclictest9-21ksoftirqd/022:26:320
57898350,2rtkit-daemon577-21rtkit-daemon23:34:080
17028993530,2cyclictest8141-21sshd19:56:133
17028993529,4cyclictest41-21ksoftirqd/323:44:383
17028993529,4cyclictest41-21ksoftirqd/321:59:523
17028993529,4cyclictest41-21ksoftirqd/319:33:383
17027993530,3cyclictest24142-21cron19:25:002
17027993529,4cyclictest33-21ksoftirqd/221:04:312
17027993529,4cyclictest33-21ksoftirqd/220:01:412
17027993529,4cyclictest33-21ksoftirqd/219:57:072
1702699359,4cyclictest121rcu_preempt00:05:151
1702699354,3cyclictest121rcu_preempt22:05:221
1702699354,3cyclictest121rcu_preempt22:05:221
1702699354,3cyclictest121rcu_preempt21:13:061
17026993531,3cyclictest25-21ksoftirqd/120:50:001
17026993531,2cyclictest25-21ksoftirqd/122:45:011
17026993531,2cyclictest25-21ksoftirqd/121:15:251
17026993531,2cyclictest25-21ksoftirqd/119:55:271
17026993530,3cyclictest25-21ksoftirqd/122:50:151
17026993530,3cyclictest25-21ksoftirqd/120:15:131
17026993530,3cyclictest25-21ksoftirqd/119:20:581
17026993529,4cyclictest25-21ksoftirqd/121:49:561
1702599357,4cyclictest9-21ksoftirqd/021:25:220
17025993532,2cyclictest9-21ksoftirqd/022:00:150
17025993531,2cyclictest9-21ksoftirqd/021:20:190
17025993531,2cyclictest9-21ksoftirqd/020:20:230
17025993530,3cyclictest9-21ksoftirqd/023:35:140
17025993530,3cyclictest9-21ksoftirqd/019:25:000
1702599352,3cyclictest9-21ksoftirqd/023:41:120
139391350,0ptp4l401ktimersoftd/323:15:003
139391350,0ptp4l401ktimersoftd/320:15:123
17028993429,3cyclictest41-21ksoftirqd/322:15:123
17028993429,3cyclictest41-21ksoftirqd/319:35:583
17028993428,4cyclictest41-21ksoftirqd/322:04:133
17028993428,4cyclictest41-21ksoftirqd/321:23:413
17028993428,4cyclictest41-21ksoftirqd/320:34:363
17028993428,4cyclictest41-21ksoftirqd/320:26:293
17028993428,4cyclictest41-21ksoftirqd/320:21:123
17028993428,4cyclictest41-21ksoftirqd/320:06:023
17027993429,3cyclictest33-21ksoftirqd/223:56:582
17027993429,3cyclictest33-21ksoftirqd/223:16:102
17027993429,3cyclictest33-21ksoftirqd/221:49:442
17027993429,3cyclictest33-21ksoftirqd/220:29:282
17027993428,4cyclictest33-21ksoftirqd/221:38:082
17027993428,4cyclictest33-21ksoftirqd/219:37:302
17026993430,2cyclictest25-21ksoftirqd/122:20:241
17026993430,2cyclictest25-21ksoftirqd/121:00:141
17026993429,3cyclictest25-21ksoftirqd/120:40:191
1702699341,7cyclictest121rcu_preempt23:47:041
1702699341,3cyclictest121rcu_preempt23:05:001
1702599343,2cyclictest121rcu_preempt21:45:010
17025993430,2cyclictest9-21ksoftirqd/023:55:000
17025993430,2cyclictest9-21ksoftirqd/022:55:000
17025993430,2cyclictest9-21ksoftirqd/022:40:150
17025993430,2cyclictest9-21ksoftirqd/019:35:200
17025993428,4cyclictest9-21ksoftirqd/019:33:270
139391340,0ptp4l401ktimersoftd/322:30:153
17028993328,3cyclictest41-21ksoftirqd/323:04:493
17028993328,3cyclictest41-21ksoftirqd/320:52:073
17028993327,4cyclictest41-21ksoftirqd/322:43:453
17028993327,4cyclictest41-21ksoftirqd/321:46:493
17028993327,4cyclictest41-21ksoftirqd/300:33:163
17027993329,3cyclictest33-21ksoftirqd/222:34:072
17027993328,3cyclictest33-21ksoftirqd/222:24:522
17027993327,4cyclictest33-21ksoftirqd/221:28:062
17025993328,3cyclictest9-21ksoftirqd/019:45:130
17025993327,4cyclictest9-21ksoftirqd/021:54:430
17025993327,3cyclictest9-21ksoftirqd/020:47:410
17025993319,3cyclictest9-21ksoftirqd/023:24:490
17028993227,3cyclictest41-21ksoftirqd/322:46:593
17028993227,3cyclictest41-21ksoftirqd/321:52:503
17028993227,3cyclictest41-21ksoftirqd/321:03:423
17028993226,4cyclictest41-21ksoftirqd/320:55:383
17028993226,4cyclictest41-21ksoftirqd/320:10:403
17028993226,4cyclictest41-21ksoftirqd/319:44:133
17028993226,4cyclictest41-21ksoftirqd/319:23:463
17027993227,3cyclictest33-21ksoftirqd/223:32:022
17027993227,3cyclictest33-21ksoftirqd/221:34:442
17027993226,4cyclictest33-21ksoftirqd/222:39:532
17027993226,4cyclictest33-21ksoftirqd/222:02:282
17027993226,4cyclictest33-21ksoftirqd/221:55:422
17027993226,4cyclictest33-21ksoftirqd/220:43:562
17027993226,4cyclictest33-21ksoftirqd/219:48:362
17027993226,4cyclictest33-21ksoftirqd/200:23:242
17025993228,2cyclictest9-21ksoftirqd/000:00:180
1702599321,5cyclictest9-21ksoftirqd/023:15:130
17028993125,4cyclictest41-21ksoftirqd/321:15:143
17028993125,4cyclictest41-21ksoftirqd/321:14:023
17028993125,4cyclictest41-21ksoftirqd/320:03:433
17028993125,4cyclictest41-21ksoftirqd/319:47:343
17027993125,4cyclictest33-21ksoftirqd/223:22:282
17027993125,4cyclictest33-21ksoftirqd/223:01:372
17027993125,4cyclictest33-21ksoftirqd/221:06:042
17027993125,4cyclictest33-21ksoftirqd/219:31:242
17027993125,4cyclictest33-21ksoftirqd/219:11:462
139391310,0ptp4l401ktimersoftd/321:09:443
17028993025,3cyclictest41-21ksoftirqd/322:11:523
17028993025,3cyclictest41-21ksoftirqd/321:42:243
17028993025,3cyclictest41-21ksoftirqd/321:35:123
17028993024,4cyclictest41-21ksoftirqd/323:21:313
17027993025,3cyclictest33-21ksoftirqd/220:58:472
17027993025,3cyclictest33-21ksoftirqd/219:15:022
17027993024,4cyclictest33-21ksoftirqd/222:47:562
17027993024,4cyclictest33-21ksoftirqd/220:30:412
17027993024,4cyclictest33-21ksoftirqd/220:06:262
17027993023,5cyclictest33-21ksoftirqd/219:28:432
17027993016,12cyclictest33-21ksoftirqd/223:00:012
139391300,0ptp4l401ktimersoftd/322:06:393
139391300,0ptp4l401ktimersoftd/322:06:393
17028992923,4cyclictest41-21ksoftirqd/323:37:003
17027992925,3cyclictest33-21ksoftirqd/223:14:082
17027992925,3cyclictest33-21ksoftirqd/220:21:072
17027992924,3cyclictest33-21ksoftirqd/222:25:102
17027992924,3cyclictest33-21ksoftirqd/221:40:062
17027992924,3cyclictest33-21ksoftirqd/220:14:252
17027992923,4cyclictest33-21ksoftirqd/221:15:102
17027992923,4cyclictest33-21ksoftirqd/200:08:322
139391290,0ptp4l401ktimersoftd/322:25:283
17028992823,3cyclictest41-21ksoftirqd/323:08:043
17028992822,4cyclictest41-21ksoftirqd/323:33:193
17027992824,3cyclictest33-21ksoftirqd/200:16:072
17027992823,3cyclictest33-21ksoftirqd/223:48:022
17027992823,3cyclictest33-21ksoftirqd/223:42:562
17027992823,3cyclictest33-21ksoftirqd/222:09:582
17027992823,3cyclictest33-21ksoftirqd/222:09:582
17027992823,3cyclictest33-21ksoftirqd/200:11:032
17027992822,4cyclictest33-21ksoftirqd/221:10:412
139391280,0ptp4l401ktimersoftd/320:37:483
17028992722,3cyclictest41-21ksoftirqd/323:47:563
17028992722,3cyclictest41-21ksoftirqd/322:50:133
17028992722,3cyclictest41-21ksoftirqd/322:40:003
17028992722,3cyclictest41-21ksoftirqd/320:47:503
17028992720,5cyclictest41-21ksoftirqd/321:26:423
17027992722,3cyclictest33-21ksoftirqd/223:52:212
17027992722,3cyclictest33-21ksoftirqd/222:19:312
17027992721,4cyclictest33-21ksoftirqd/223:36:392
17027992721,4cyclictest33-21ksoftirqd/219:40:422
17027992721,4cyclictest33-21ksoftirqd/200:34:162
17027992621,3cyclictest33-21ksoftirqd/223:25:192
17027992621,3cyclictest33-21ksoftirqd/220:19:492
17028992520,3cyclictest41-21ksoftirqd/300:11:343
17027992510,12cyclictest27378-21cpuspeed_turbos00:00:152
17028992420,2cyclictest41-21ksoftirqd/323:50:233
139391240,1ptp4l401ktimersoftd/300:15:113
17027992318,3cyclictest33-21ksoftirqd/222:51:122
17027992318,3cyclictest33-21ksoftirqd/220:35:482
17027992116,3cyclictest33-21ksoftirqd/223:06:112
17027992116,3cyclictest33-21ksoftirqd/200:27:582
17027991914,3cyclictest33-21ksoftirqd/200:39:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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