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2025-10-16 - 05:00
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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 rackdslot4.osadl.org (updated Thu Oct 16, 2025 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
212142203169,22sleep10-21swapper/119:09:031
209342202166,24sleep30-21swapper/319:05:363
211612201166,23sleep00-21swapper/019:08:230
210022201167,22sleep20-21swapper/219:06:192
1868921480,5sleep12173399cyclictest21:15:241
134991840,1ptp4l0-21swapper/319:33:083
134991810,3ptp4l391rcuc/323:25:243
134991790,1ptp4l391rcuc/320:30:263
134991780,1ptp4l391rcuc/323:30:123
134991780,1ptp4l391rcuc/322:30:233
134991780,1ptp4l391rcuc/320:40:273
134991780,1ptp4l391rcuc/319:45:183
134991760,2ptp4l391rcuc/300:10:213
134991760,1ptp4l391rcuc/323:15:233
134991750,1ptp4l391rcuc/323:05:213
134991750,1ptp4l391rcuc/319:10:223
134991740,1ptp4l391rcuc/321:24:023
134991720,1ptp4l391rcuc/323:55:243
134991720,1ptp4l391rcuc/320:35:143
134991720,1ptp4l391rcuc/320:08:583
134991720,1ptp4l391rcuc/319:35:223
134991700,1ptp4l391rcuc/321:50:143
134991700,1ptp4l391rcuc/320:25:223
134991690,2ptp4l391rcuc/321:11:563
134991690,1ptp4l391rcuc/322:29:373
134991690,1ptp4l391rcuc/321:34:423
134991670,1ptp4l391rcuc/323:00:583
134991670,1ptp4l391rcuc/321:45:183
134991670,1ptp4l391rcuc/300:16:243
134991660,1ptp4l391rcuc/319:55:133
134991610,1ptp4l0-21swapper/320:17:543
206072590,2sleep00-21swapper/020:10:230
134991590,1ptp4l391rcuc/323:21:163
134991590,1ptp4l391rcuc/322:48:333
134991580,6ptp4l2173599cyclictest22:10:243
134991580,1ptp4l391rcuc/320:00:193
134991570,1ptp4l391rcuc/323:40:193
134991570,1ptp4l391rcuc/322:38:583
134991570,1ptp4l391rcuc/319:29:593
134991570,1ptp4l391rcuc/300:05:583
228912560,7sleep12173399cyclictest21:25:151
134991560,1ptp4l391rcuc/323:48:333
134991560,1ptp4l391rcuc/322:40:143
134991560,1ptp4l391rcuc/321:55:283
134991560,1ptp4l391rcuc/320:55:173
134991560,1ptp4l391rcuc/319:51:493
134991560,1ptp4l391rcuc/319:20:143
134991550,1ptp4l391rcuc/322:54:253
134991550,1ptp4l391rcuc/321:40:313
134991550,1ptp4l391rcuc/321:28:133
134991550,1ptp4l391rcuc/320:50:063
134991550,1ptp4l391rcuc/320:12:203
134991550,1ptp4l391rcuc/319:17:093
134991550,1ptp4l391rcuc/319:17:083
134991550,1ptp4l391rcuc/300:31:593
134991550,1ptp4l391rcuc/300:04:113
134991540,1ptp4l391rcuc/323:52:423
134991540,1ptp4l391rcuc/323:35:563
134991540,1ptp4l391rcuc/323:12:453
134991540,1ptp4l391rcuc/322:55:063
134991540,1ptp4l391rcuc/322:21:243
134991540,1ptp4l391rcuc/321:06:053
134991540,1ptp4l391rcuc/320:47:223
134991540,1ptp4l391rcuc/320:47:223
134991540,1ptp4l391rcuc/320:23:303
134991540,1ptp4l391rcuc/319:41:483
134991540,1ptp4l391rcuc/300:39:393
134991540,1ptp4l391rcuc/300:25:433
134991540,1ptp4l391rcuc/300:23:173
134991530,1ptp4l391rcuc/322:16:573
134991530,1ptp4l391rcuc/322:05:493
134991530,1ptp4l391rcuc/322:05:493
134991530,1ptp4l391rcuc/321:38:283
134991530,1ptp4l391rcuc/321:19:293
134991530,1ptp4l391rcuc/321:01:243
21731995217,4cyclictest9-21ksoftirqd/020:40:000
134991520,1ptp4l391rcuc/322:02:183
21731994916,6cyclictest9-21ksoftirqd/000:10:170
21731994817,4cyclictest9-21ksoftirqd/019:45:000
21731994616,6cyclictest9-21ksoftirqd/000:35:140
2173199451,3cyclictest121rcu_preempt23:00:280
21731994513,6cyclictest9-21ksoftirqd/022:15:150
21731994512,6cyclictest9-21ksoftirqd/021:25:160
21731994511,4cyclictest9-21ksoftirqd/023:20:000
21734994427,3cyclictest33-21ksoftirqd/220:56:502
21733994438,3cyclictest4283-21idleruntime-cro20:45:001
2173199447,6cyclictest9-21ksoftirqd/020:55:240
21731994416,4cyclictest9-21ksoftirqd/000:20:220
21731994413,6cyclictest9-21ksoftirqd/023:45:000
21731994411,6cyclictest9-21ksoftirqd/022:45:180
2173199438,6cyclictest9-21ksoftirqd/000:30:190
2173199436,3cyclictest9-21ksoftirqd/023:35:180
21731994314,6cyclictest9-21ksoftirqd/023:50:140
21731994314,5cyclictest9-21ksoftirqd/020:50:160
21731994313,6cyclictest9-21ksoftirqd/023:55:180
21731994312,4cyclictest9-21ksoftirqd/021:30:160
21731994311,6cyclictest9-21ksoftirqd/020:25:110
21733994236,3cyclictest9852-21cron22:04:591
2173199429,4cyclictest9-21ksoftirqd/019:25:000
2173199429,3cyclictest9-21ksoftirqd/021:35:130
2173199426,6cyclictest9-21ksoftirqd/019:55:130
21731994211,7cyclictest9-21ksoftirqd/019:10:260
21731994211,4cyclictest9-21ksoftirqd/000:05:010
2173199419,4cyclictest9-21ksoftirqd/021:15:270
2173199418,4cyclictest9-21ksoftirqd/020:40:190
2173199416,3cyclictest9-21ksoftirqd/021:40:150
2173199414,3cyclictest9-21ksoftirqd/021:45:240
2173199411,7cyclictest9-21ksoftirqd/000:05:270
21731994113,4cyclictest9-21ksoftirqd/023:20:150
21731994112,4cyclictest9-21ksoftirqd/021:10:140
21731994111,4cyclictest9-21ksoftirqd/019:25:220
21731994110,4cyclictest9-21ksoftirqd/022:50:150
2173199408,6cyclictest9-21ksoftirqd/021:50:140
2173199408,5cyclictest9-21ksoftirqd/020:15:210
2173199408,5cyclictest9-21ksoftirqd/019:50:190
2173199407,4cyclictest9-21ksoftirqd/020:25:010
21731994036,2cyclictest2781-21irqrtprio19:35:200
21731994012,10cyclictest9-21ksoftirqd/019:30:190
21731994011,4cyclictest9-21ksoftirqd/000:25:140
21731994010,3cyclictest9-21ksoftirqd/023:11:430
2173199398,6cyclictest9-21ksoftirqd/019:15:130
2173199398,6cyclictest9-21ksoftirqd/019:15:130
2173199398,3cyclictest9-21ksoftirqd/019:45:120
2173199397,6cyclictest9-21ksoftirqd/023:25:160
2173199396,4cyclictest9-21ksoftirqd/023:30:130
21731993934,3cyclictest9-21ksoftirqd/022:00:000
2173199391,7cyclictest9-21ksoftirqd/022:55:240
21731993910,7cyclictest9-21ksoftirqd/020:30:250
2173199390,2cyclictest121rcu_preempt22:20:210
21734993824,12cyclictest33-21ksoftirqd/221:40:002
21733993831,4cyclictest25-21ksoftirqd/119:41:481
2173199389,3cyclictest9-21ksoftirqd/022:40:130
2173199388,4cyclictest9-21ksoftirqd/021:07:120
2173199386,3cyclictest9-21ksoftirqd/020:45:180
2173199386,3cyclictest9-21ksoftirqd/020:45:180
21731993832,3cyclictest9-21ksoftirqd/022:15:010
2173199382,6cyclictest9-21ksoftirqd/021:20:290
21731993810,4cyclictest9-21ksoftirqd/020:00:160
21733993731,4cyclictest25-21ksoftirqd/123:27:011
21733993731,4cyclictest25-21ksoftirqd/120:14:461
21733993730,4cyclictest25-21ksoftirqd/120:20:111
21731993731,3cyclictest9-21ksoftirqd/021:02:500
21731993713,4cyclictest9-21ksoftirqd/023:45:250
21734993631,3cyclictest33-21ksoftirqd/222:56:402
21734993631,3cyclictest33-21ksoftirqd/222:16:332
21734993631,3cyclictest33-21ksoftirqd/219:25:002
21734993630,4cyclictest33-21ksoftirqd/223:27:362
21733993630,4cyclictest25-21ksoftirqd/123:15:311
21733993630,4cyclictest25-21ksoftirqd/121:36:421
21733993630,4cyclictest25-21ksoftirqd/121:11:501
21733993630,4cyclictest25-21ksoftirqd/119:49:501
21733993630,3cyclictest25-21ksoftirqd/122:50:001
21733993629,4cyclictest7371-21cron22:00:001
2173199367,4cyclictest9-21ksoftirqd/022:30:150
2173199364,6cyclictest9-21ksoftirqd/022:25:230
2173199363,6cyclictest9-21ksoftirqd/022:05:140
2173199363,6cyclictest9-21ksoftirqd/022:05:140
21731993630,3cyclictest9-21ksoftirqd/022:00:160
2173199362,3cyclictest121rcu_preempt20:05:210
36998350,7rtkit-daemon0-21swapper/219:25:482
21734993530,3cyclictest9631-21apt23:10:012
21734993530,3cyclictest33-21ksoftirqd/200:36:252
21734993529,4cyclictest33-21ksoftirqd/223:34:462
21734993529,4cyclictest33-21ksoftirqd/223:21:542
2173499350,34cyclictest0-21swapper/221:55:182
21733993531,2cyclictest25-21ksoftirqd/123:10:011
21733993529,4cyclictest25-21ksoftirqd/123:14:111
21733993529,4cyclictest25-21ksoftirqd/121:22:421
21733993529,4cyclictest25-21ksoftirqd/120:56:101
21733993528,4cyclictest25-21ksoftirqd/123:55:341
21733993528,4cyclictest25-21ksoftirqd/100:22:591
21733993528,4cyclictest25-21ksoftirqd/100:18:051
21731993529,3cyclictest9-21ksoftirqd/000:15:270
21734993430,3cyclictest33-21ksoftirqd/223:53:312
21734993429,3cyclictest33-21ksoftirqd/222:40:532
21734993429,3cyclictest33-21ksoftirqd/221:51:272
21734993428,4cyclictest33-21ksoftirqd/221:47:462
21734993428,4cyclictest33-21ksoftirqd/200:06:072
21733993429,3cyclictest25-21ksoftirqd/121:01:261
21733993428,4cyclictest25-21ksoftirqd/123:23:251
21733993428,4cyclictest25-21ksoftirqd/121:53:191
21733993428,4cyclictest25-21ksoftirqd/120:46:271
21733993428,4cyclictest25-21ksoftirqd/120:46:271
21733993428,4cyclictest25-21ksoftirqd/119:28:081
21733993428,4cyclictest25-21ksoftirqd/119:21:301
21733993428,4cyclictest25-21ksoftirqd/100:03:441
21733993428,3cyclictest25-21ksoftirqd/121:50:001
21731993429,2cyclictest9-21ksoftirqd/023:05:180
21731993428,3cyclictest9-21ksoftirqd/022:35:150
21734993328,3cyclictest33-21ksoftirqd/221:21:472
21734993328,3cyclictest33-21ksoftirqd/220:46:172
21734993328,3cyclictest33-21ksoftirqd/220:46:172
21734993328,3cyclictest33-21ksoftirqd/200:16:122
21734993327,4cyclictest33-21ksoftirqd/222:32:072
21734993327,4cyclictest33-21ksoftirqd/220:28:312
21734993327,4cyclictest33-21ksoftirqd/220:15:472
21734993327,4cyclictest33-21ksoftirqd/220:12:062
21734993327,4cyclictest33-21ksoftirqd/220:01:232
21734993327,4cyclictest33-21ksoftirqd/219:13:372
21734993327,4cyclictest33-21ksoftirqd/200:04:182
21734993326,4cyclictest33-21ksoftirqd/200:30:012
21733993328,3cyclictest25-21ksoftirqd/119:33:131
21733993327,4cyclictest25-21ksoftirqd/121:41:031
21733993327,4cyclictest25-21ksoftirqd/121:06:051
21733993327,4cyclictest25-21ksoftirqd/120:02:411
21734993227,3cyclictest33-21ksoftirqd/223:43:282
21734993227,3cyclictest33-21ksoftirqd/222:30:002
21734993227,3cyclictest33-21ksoftirqd/221:17:162
21734993227,3cyclictest33-21ksoftirqd/219:56:052
21734993227,3cyclictest33-21ksoftirqd/219:48:412
21734993226,4cyclictest33-21ksoftirqd/223:56:002
21734993226,4cyclictest33-21ksoftirqd/223:47:012
21734993226,4cyclictest33-21ksoftirqd/222:53:222
21734993226,4cyclictest33-21ksoftirqd/222:38:532
21734993226,4cyclictest33-21ksoftirqd/222:23:252
21734993226,4cyclictest33-21ksoftirqd/200:29:252
21734993225,4cyclictest33-21ksoftirqd/220:42:112
21733993227,3cyclictest25-21ksoftirqd/123:33:351
21733993227,3cyclictest25-21ksoftirqd/122:53:591
21733993227,3cyclictest25-21ksoftirqd/100:28:411
21733993226,4cyclictest25-21ksoftirqd/123:01:061
21733993226,4cyclictest25-21ksoftirqd/122:56:361
21733993226,4cyclictest25-21ksoftirqd/122:22:431
21733993226,4cyclictest25-21ksoftirqd/119:55:401
21733993226,4cyclictest25-21ksoftirqd/119:19:511
21733993226,4cyclictest25-21ksoftirqd/119:19:501
21734993126,3cyclictest33-21ksoftirqd/220:32:242
21734993126,3cyclictest33-21ksoftirqd/219:42:492
21734993126,3cyclictest33-21ksoftirqd/200:12:512
21734993125,4cyclictest33-21ksoftirqd/223:39:032
21734993125,4cyclictest33-21ksoftirqd/223:19:312
21734993125,4cyclictest33-21ksoftirqd/222:47:452
21734993125,4cyclictest33-21ksoftirqd/222:08:002
21734993125,4cyclictest33-21ksoftirqd/222:08:002
21734993125,4cyclictest33-21ksoftirqd/221:34:502
21734993125,4cyclictest33-21ksoftirqd/221:26:522
21734993125,4cyclictest33-21ksoftirqd/220:07:092
21734993125,3cyclictest33-21ksoftirqd/222:11:112
21733993126,3cyclictest25-21ksoftirqd/123:38:521
21733993126,3cyclictest25-21ksoftirqd/122:35:111
21733993126,3cyclictest25-21ksoftirqd/122:20:011
21733993126,3cyclictest25-21ksoftirqd/119:52:561
21733993125,4cyclictest25-21ksoftirqd/120:27:251
21733993125,4cyclictest25-21ksoftirqd/119:14:081
21733993125,3cyclictest25-21ksoftirqd/122:40:171
21733993124,4cyclictest25-21ksoftirqd/120:50:041
21734993025,3cyclictest33-21ksoftirqd/221:42:212
21734993025,3cyclictest33-21ksoftirqd/219:51:112
21734993024,4cyclictest33-21ksoftirqd/222:03:552
21734993024,4cyclictest33-21ksoftirqd/221:07:192
21733993025,3cyclictest25-21ksoftirqd/123:46:501
21733993024,4cyclictest25-21ksoftirqd/120:36:081
21733993024,4cyclictest25-21ksoftirqd/119:38:511
21734992924,3cyclictest33-21ksoftirqd/221:00:262
21734992923,4cyclictest33-21ksoftirqd/221:13:042
21734992923,4cyclictest33-21ksoftirqd/219:16:222
21734992923,4cyclictest33-21ksoftirqd/219:16:222
21733992924,3cyclictest25-21ksoftirqd/123:40:391
21733992924,3cyclictest25-21ksoftirqd/122:10:141
21733992923,4cyclictest25-21ksoftirqd/121:32:251
21733992923,4cyclictest25-21ksoftirqd/100:39:241
21733992923,3cyclictest25-21ksoftirqd/120:15:201
21734992823,3cyclictest33-21ksoftirqd/223:13:272
21734992823,3cyclictest33-21ksoftirqd/219:31:392
21734992823,3cyclictest33-21ksoftirqd/200:22:302
21734992822,4cyclictest33-21ksoftirqd/220:39:302
21733992823,3cyclictest25-21ksoftirqd/120:33:461
21733992823,3cyclictest25-21ksoftirqd/120:05:121
21733992723,3cyclictest25-21ksoftirqd/100:30:201
21733992722,3cyclictest25-21ksoftirqd/100:05:221
21733992721,3cyclictest25-21ksoftirqd/100:11:381
21734992621,3cyclictest33-21ksoftirqd/223:00:382
21734992621,3cyclictest33-21ksoftirqd/220:53:222
21734992620,4cyclictest33-21ksoftirqd/220:24:222
21733992620,4cyclictest25-21ksoftirqd/122:26:411
21733992620,3cyclictest25-21ksoftirqd/123:54:591
21733992520,3cyclictest25-21ksoftirqd/122:05:191
21733992520,3cyclictest25-21ksoftirqd/122:05:191
21733992419,3cyclictest11446-21kworker/1:122:30:261
21734992318,3cyclictest33-21ksoftirqd/219:36:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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