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2025-11-21 - 05:29
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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 Fri Nov 21, 2025 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168232204170,22sleep10-21swapper/119:06:051
427791202167,23phc2sys0-21swapper/319:09:543
168472199166,22sleep00-21swapper/019:06:250
168192198165,21sleep20-21swapper/219:06:022
2937221640,6sleep21758899cyclictest20:35:242
204072580,2sleep30-21swapper/319:15:153
17590995447,4cyclictest10103-21latency_hist19:59:593
427291530,1ptp4l401ktimersoftd/321:31:513
17586995015,8cyclictest9-21ksoftirqd/020:25:200
237192490,1sleep10-21swapper/123:40:141
427291480,0ptp4l401ktimersoftd/320:03:093
17590994841,4cyclictest24853-21cron19:24:593
17588994627,16cyclictest33-21ksoftirqd/200:11:202
17588994513,29cyclictest28283-21kworker/2:223:10:272
1758699453,7cyclictest121rcu_preempt21:24:020
1713524533,5sleep20-21swapper/219:10:002
427291430,0ptp4l401ktimersoftd/321:01:263
17588994337,4cyclictest33-21ksoftirqd/222:05:002
17586994339,2cyclictest9-21ksoftirqd/000:30:000
427291420,0ptp4l401ktimersoftd/321:25:343
36998420,2rtkit-daemon368-21rtkit-daemon22:05:190
17590994235,4cyclictest41-21ksoftirqd/323:58:213
17586994215,5cyclictest9-21ksoftirqd/022:25:190
17586994215,5cyclictest9-21ksoftirqd/019:40:150
427291410,1ptp4l401ktimersoftd/320:24:373
427291410,0ptp4l401ktimersoftd/300:13:433
36998410,2rtkit-daemon368-21rtkit-daemon21:00:151
17590994135,3cyclictest41-21ksoftirqd/320:29:593
17590994135,3cyclictest41-21ksoftirqd/319:50:133
17587994137,2cyclictest25-21ksoftirqd/100:05:001
17587994136,3cyclictest25-21ksoftirqd/122:35:001
17587994135,3cyclictest25-21ksoftirqd/121:35:001
17586994134,5cyclictest9-21ksoftirqd/020:00:000
17586994120,5cyclictest9-21ksoftirqd/000:35:260
427291400,0ptp4l401ktimersoftd/322:52:463
17590994035,3cyclictest41-21ksoftirqd/323:40:003
17590994035,3cyclictest41-21ksoftirqd/319:15:013
17590994033,4cyclictest41-21ksoftirqd/322:02:413
17590994033,4cyclictest41-21ksoftirqd/321:11:173
17587994033,4cyclictest25-21ksoftirqd/100:17:411
17586994035,3cyclictest9-21ksoftirqd/023:55:000
17586994035,3cyclictest9-21ksoftirqd/023:55:000
17590993935,3cyclictest41-21ksoftirqd/320:20:013
17590993935,2cyclictest41-21ksoftirqd/323:05:223
17590993934,3cyclictest41-21ksoftirqd/320:55:253
17590993934,2cyclictest41-21ksoftirqd/320:45:013
17590993933,4cyclictest41-21ksoftirqd/323:15:203
17590993933,4cyclictest41-21ksoftirqd/322:49:373
17590993933,4cyclictest41-21ksoftirqd/321:21:353
17590993933,4cyclictest41-21ksoftirqd/321:08:393
17590993933,3cyclictest41-21ksoftirqd/321:40:003
17587993932,4cyclictest25-21ksoftirqd/119:15:091
17586993934,3cyclictest9-21ksoftirqd/022:35:010
17586993933,4cyclictest9-21ksoftirqd/000:35:000
17586993933,3cyclictest9-21ksoftirqd/019:50:000
17590993833,3cyclictest41-21ksoftirqd/320:50:013
17590993832,4cyclictest41-21ksoftirqd/323:23:233
17590993832,4cyclictest41-21ksoftirqd/323:01:243
17590993832,4cyclictest41-21ksoftirqd/321:54:573
17590993832,3cyclictest41-21ksoftirqd/300:30:003
17590993831,4cyclictest41-21ksoftirqd/323:10:593
17590993831,4cyclictest41-21ksoftirqd/319:46:473
17588993832,4cyclictest33-21ksoftirqd/222:43:382
17588993832,4cyclictest33-21ksoftirqd/220:56:222
17588993832,4cyclictest33-21ksoftirqd/200:22:592
17587993833,3cyclictest25-21ksoftirqd/119:30:111
17587993832,4cyclictest25-21ksoftirqd/119:14:001
17587993832,4cyclictest25-21ksoftirqd/100:36:381
17587993832,3cyclictest25-21ksoftirqd/121:29:311
17587993831,4cyclictest25-21ksoftirqd/123:08:441
17587993831,4cyclictest25-21ksoftirqd/122:56:171
17587993831,4cyclictest25-21ksoftirqd/120:30:241
17586993834,2cyclictest9-21ksoftirqd/020:20:000
17586993833,3cyclictest9-21ksoftirqd/023:55:200
17586993833,3cyclictest9-21ksoftirqd/020:10:210
17586993833,3cyclictest6049-21latency_hist00:10:000
17586993832,4cyclictest9-21ksoftirqd/020:45:130
17586993832,3cyclictest9-21ksoftirqd/019:20:000
17586993831,4cyclictest9-21ksoftirqd/021:08:400
17586993819,8cyclictest9-21ksoftirqd/022:45:190
17586993813,5cyclictest9-21ksoftirqd/023:20:220
17590993733,3cyclictest41-21ksoftirqd/320:35:213
17590993733,3cyclictest41-21ksoftirqd/319:30:133
17590993733,2cyclictest41-21ksoftirqd/323:45:003
17590993732,3cyclictest41-21ksoftirqd/321:55:263
17590993731,4cyclictest41-21ksoftirqd/320:32:083
17590993731,4cyclictest41-21ksoftirqd/300:20:003
17590993731,3cyclictest41-21ksoftirqd/320:50:193
17590993731,3cyclictest41-21ksoftirqd/319:35:153
17590993730,4cyclictest41-21ksoftirqd/322:15:443
17588993731,4cyclictest33-21ksoftirqd/221:02:532
17588993731,4cyclictest33-21ksoftirqd/220:46:192
17588993731,4cyclictest33-21ksoftirqd/200:17:182
17588993730,5cyclictest33-21ksoftirqd/221:06:012
17588993730,4cyclictest33-21ksoftirqd/222:30:072
17588993730,4cyclictest33-21ksoftirqd/219:21:022
17588993730,4cyclictest33-21ksoftirqd/200:05:002
17587993732,3cyclictest25-21ksoftirqd/123:03:441
17587993732,3cyclictest25-21ksoftirqd/119:23:321
17587993732,3cyclictest25-21ksoftirqd/100:30:141
17587993731,4cyclictest25-21ksoftirqd/121:48:331
17587993731,4cyclictest25-21ksoftirqd/100:26:431
17587993731,4cyclictest25-21ksoftirqd/100:22:341
17587993731,3cyclictest25-21ksoftirqd/100:05:181
17587993730,4cyclictest25-21ksoftirqd/123:35:521
17587993730,4cyclictest25-21ksoftirqd/122:44:251
17587993730,4cyclictest25-21ksoftirqd/121:36:161
17586993732,3cyclictest9-21ksoftirqd/023:15:130
17586993732,3cyclictest9-21ksoftirqd/021:20:000
17586993731,4cyclictest9-21ksoftirqd/023:08:350
17586993731,3cyclictest9-21ksoftirqd/023:10:130
17586993731,3cyclictest9-21ksoftirqd/019:35:200
17586993731,3cyclictest9-21ksoftirqd/019:30:140
17586993730,4cyclictest9-21ksoftirqd/023:35:350
17586993730,4cyclictest9-21ksoftirqd/019:50:530
17590993631,3cyclictest41-21ksoftirqd/323:25:183
17590993631,3cyclictest41-21ksoftirqd/322:55:283
17590993631,3cyclictest41-21ksoftirqd/320:10:003
17590993630,4cyclictest41-21ksoftirqd/300:07:483
17590993630,3cyclictest41-21ksoftirqd/300:40:013
17590993629,4cyclictest41-21ksoftirqd/322:23:133
1758899368,26cyclictest0-21swapper/223:42:272
17588993631,3cyclictest33-21ksoftirqd/222:25:432
17588993630,4cyclictest33-21ksoftirqd/200:27:532
17588993629,4cyclictest33-21ksoftirqd/219:59:432
17587993632,3cyclictest25-21ksoftirqd/122:49:331
17587993631,3cyclictest25-21ksoftirqd/120:20:011
17587993630,3cyclictest25-21ksoftirqd/123:25:181
17587993630,3cyclictest25-21ksoftirqd/120:13:351
17587993629,4cyclictest25-21ksoftirqd/121:43:201
17586993631,3cyclictest9-21ksoftirqd/021:50:000
17586993631,3cyclictest9-21ksoftirqd/019:24:590
17586993630,3cyclictest9-21ksoftirqd/020:59:590
17586993630,3cyclictest9-21ksoftirqd/020:30:210
17586993630,3cyclictest9-21ksoftirqd/000:19:560
17586993630,3cyclictest9-21ksoftirqd/000:00:010
17586993630,2cyclictest9-21ksoftirqd/022:35:190
36998350,2rtkit-daemon368-21rtkit-daemon23:12:141
17590993531,3cyclictest41-21ksoftirqd/322:35:003
17590993531,3cyclictest41-21ksoftirqd/320:10:223
17590993531,3cyclictest41-21ksoftirqd/319:40:143
17590993530,3cyclictest41-21ksoftirqd/323:50:153
17590993530,3cyclictest41-21ksoftirqd/323:50:153
17590993530,3cyclictest41-21ksoftirqd/322:10:003
17590993530,3cyclictest41-21ksoftirqd/321:45:343
17590993530,3cyclictest41-21ksoftirqd/321:40:143
17590993530,3cyclictest41-21ksoftirqd/321:15:143
17590993530,3cyclictest41-21ksoftirqd/319:30:003
17590993530,3cyclictest41-21ksoftirqd/300:00:203
17590993529,3cyclictest41-21ksoftirqd/322:40:143
17588993530,3cyclictest33-21ksoftirqd/223:36:542
17588993529,4cyclictest33-21ksoftirqd/223:25:482
17588993529,4cyclictest33-21ksoftirqd/223:19:532
17588993529,4cyclictest33-21ksoftirqd/223:04:492
17588993529,4cyclictest33-21ksoftirqd/221:35:102
17588993529,4cyclictest33-21ksoftirqd/220:08:172
17588993529,4cyclictest33-21ksoftirqd/219:48:022
17588993529,4cyclictest33-21ksoftirqd/219:27:292
17588993529,4cyclictest33-21ksoftirqd/200:34:192
17588993529,3cyclictest33-21ksoftirqd/222:50:122
17588993528,4cyclictest33-21ksoftirqd/223:55:032
17588993528,4cyclictest33-21ksoftirqd/222:36:082
17587993530,3cyclictest25-21ksoftirqd/123:51:171
17587993530,3cyclictest25-21ksoftirqd/123:51:171
17587993530,3cyclictest25-21ksoftirqd/121:21:321
17587993530,3cyclictest25-21ksoftirqd/120:58:171
17587993530,3cyclictest25-21ksoftirqd/120:05:181
17587993529,4cyclictest25-21ksoftirqd/122:05:581
17587993529,4cyclictest25-21ksoftirqd/121:14:401
17587993529,4cyclictest25-21ksoftirqd/119:59:411
17587993529,4cyclictest25-21ksoftirqd/119:41:481
17586993530,3cyclictest9-21ksoftirqd/023:45:000
17586993529,4cyclictest9-21ksoftirqd/020:52:350
17586993529,4cyclictest9-21ksoftirqd/020:22:100
17586993529,3cyclictest9-21ksoftirqd/021:55:010
17586993528,4cyclictest9-21ksoftirqd/023:49:320
17586993528,4cyclictest9-21ksoftirqd/022:18:330
17586993528,4cyclictest9-21ksoftirqd/000:13:150
36998340,10rtkit-daemon1447-21apache221:10:340
17590993429,3cyclictest41-21ksoftirqd/322:35:193
17590993428,3cyclictest41-21ksoftirqd/322:10:293
17588993429,3cyclictest33-21ksoftirqd/222:15:412
17588993429,3cyclictest33-21ksoftirqd/221:45:532
17588993429,3cyclictest33-21ksoftirqd/219:36:282
17588993428,4cyclictest33-21ksoftirqd/222:21:242
17588993428,4cyclictest33-21ksoftirqd/221:51:312
17588993428,4cyclictest33-21ksoftirqd/221:33:052
17588993428,4cyclictest33-21ksoftirqd/219:40:562
17588993428,4cyclictest33-21ksoftirqd/200:36:072
17587993429,3cyclictest25-21ksoftirqd/122:50:141
17587993429,3cyclictest25-21ksoftirqd/122:02:411
17587993429,3cyclictest25-21ksoftirqd/121:52:211
17587993429,3cyclictest25-21ksoftirqd/121:15:511
17587993429,3cyclictest25-21ksoftirqd/120:38:241
17587993428,4cyclictest25-21ksoftirqd/122:39:121
17587993428,4cyclictest25-21ksoftirqd/120:54:011
17587993428,4cyclictest25-21ksoftirqd/120:40:421
17587993428,4cyclictest25-21ksoftirqd/120:22:241
17587993428,4cyclictest25-21ksoftirqd/119:35:431
17587993428,3cyclictest25-21ksoftirqd/121:55:201
17587993428,3cyclictest25-21ksoftirqd/120:50:001
17587993428,3cyclictest25-21ksoftirqd/119:26:311
17587993427,4cyclictest25-21ksoftirqd/123:47:401
17587993427,4cyclictest25-21ksoftirqd/122:20:061
17586993430,3cyclictest9-21ksoftirqd/023:27:340
17586993430,2cyclictest9-21ksoftirqd/022:55:000
17586993429,3cyclictest9-21ksoftirqd/021:55:160
17586993429,3cyclictest9-21ksoftirqd/020:05:190
17586993429,2cyclictest9-21ksoftirqd/019:30:000
17586993427,4cyclictest9-21ksoftirqd/022:21:180
17586993427,4cyclictest9-21ksoftirqd/022:10:140
17586993427,4cyclictest9-21ksoftirqd/021:04:000
1759099334,3cyclictest41-21ksoftirqd/300:30:023
17590993328,3cyclictest41-21ksoftirqd/322:27:423
17590993327,3cyclictest41-21ksoftirqd/300:22:063
17588993328,3cyclictest33-21ksoftirqd/223:33:312
17588993328,3cyclictest33-21ksoftirqd/220:45:002
17588993328,3cyclictest33-21ksoftirqd/220:27:292
17588993328,3cyclictest33-21ksoftirqd/220:01:342
17588993328,3cyclictest33-21ksoftirqd/219:31:062
17588993327,4cyclictest33-21ksoftirqd/222:14:422
17588993327,4cyclictest33-21ksoftirqd/221:57:132
17588993327,4cyclictest33-21ksoftirqd/221:23:182
17588993327,4cyclictest33-21ksoftirqd/220:34:052
17588993327,4cyclictest33-21ksoftirqd/220:22:202
17588993327,3cyclictest33-21ksoftirqd/223:53:112
17588993327,3cyclictest33-21ksoftirqd/223:53:112
17588993326,5cyclictest33-21ksoftirqd/221:12:272
17587993327,4cyclictest25-21ksoftirqd/123:56:231
17587993327,4cyclictest25-21ksoftirqd/119:53:311
17587993327,3cyclictest25-21ksoftirqd/122:10:181
17586993329,3cyclictest9-21ksoftirqd/022:00:240
17586993328,3cyclictest9-21ksoftirqd/023:35:000
17586993328,3cyclictest9-21ksoftirqd/021:41:340
17586993328,3cyclictest9-21ksoftirqd/019:10:140
17586993327,4cyclictest9-21ksoftirqd/000:20:490
17586993327,3cyclictest9-21ksoftirqd/023:05:000
17586993327,3cyclictest9-21ksoftirqd/020:05:010
17586993326,4cyclictest9-21ksoftirqd/020:43:090
17586993326,4cyclictest9-21ksoftirqd/020:39:320
17590993227,3cyclictest41-21ksoftirqd/323:45:293
17590993227,3cyclictest41-21ksoftirqd/323:31:403
17588993226,4cyclictest33-21ksoftirqd/222:48:152
17587993227,3cyclictest25-21ksoftirqd/121:08:011
17587993227,3cyclictest25-21ksoftirqd/120:27:401
17587993227,3cyclictest25-21ksoftirqd/100:13:391
17587993226,4cyclictest25-21ksoftirqd/120:04:101
17587993226,4cyclictest25-21ksoftirqd/119:49:511
17587993226,3cyclictest25-21ksoftirqd/123:30:191
1758799321,2cyclictest0-21swapper/122:25:211
17588993126,3cyclictest33-21ksoftirqd/221:29:552
17588993126,3cyclictest33-21ksoftirqd/200:08:432
17588993125,4cyclictest33-21ksoftirqd/221:17:492
17588993125,4cyclictest33-21ksoftirqd/220:12:342
17586993125,4cyclictest9-21ksoftirqd/022:57:480
17586993125,4cyclictest9-21ksoftirqd/021:38:330
17586993125,4cyclictest9-21ksoftirqd/021:30:140
17588993025,3cyclictest33-21ksoftirqd/220:50:032
17588993024,4cyclictest33-21ksoftirqd/223:46:252
17588993024,4cyclictest33-21ksoftirqd/223:09:222
17588993024,4cyclictest33-21ksoftirqd/221:40:342
17586993025,3cyclictest9-21ksoftirqd/021:25:150
17588992924,3cyclictest33-21ksoftirqd/222:07:522
17588992922,4cyclictest33-21ksoftirqd/220:18:232
17587992924,3cyclictest25-21ksoftirqd/123:20:291
17587992924,3cyclictest25-21ksoftirqd/122:18:471
17586992923,3cyclictest9-21ksoftirqd/022:42:440
17588992823,3cyclictest33-21ksoftirqd/222:55:362
17588992823,3cyclictest33-21ksoftirqd/219:53:062
17588992822,4cyclictest33-21ksoftirqd/219:16:552
17587992722,3cyclictest25-21ksoftirqd/123:18:011
17588992217,3cyclictest33-21ksoftirqd/223:22:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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