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2025-12-20 - 03:36
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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 all highest latencies:
System rackdslot4.osadl.org (updated Sat Dec 20, 2025 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214682203168,24sleep30-21swapper/319:08:063
211532200165,23sleep10-21swapper/119:05:481
213992193160,22sleep00-21swapper/019:07:400
212242189156,22sleep20-21swapper/219:06:342
840921810,7sleep12209099cyclictest19:18:161
840921810,7sleep12209099cyclictest19:18:161
1839221660,6sleep22209199cyclictest20:55:282
2943421380,2sleep32209299cyclictest22:25:143
92352790,3sleep29205-21sh19:15:112
92352790,3sleep29205-21sh19:15:112
284492770,2sleep00-21swapper/019:15:290
284492770,2sleep00-21swapper/019:15:290
153602750,3sleep315384-21grep19:19:133
153602750,3sleep315384-21grep19:19:133
22091996834,6cyclictest33-21ksoftirqd/220:40:002
22091996834,5cyclictest33-21ksoftirqd/220:05:002
175892680,8sleep2321ktimersoftd/219:11:142
96072670,8sleep12209099cyclictest19:12:221
22091996426,8cyclictest33-21ksoftirqd/219:20:222
22091996331,6cyclictest33-21ksoftirqd/223:00:152
22091996331,4cyclictest33-21ksoftirqd/220:25:142
22091996328,6cyclictest33-21ksoftirqd/220:10:142
22091996327,6cyclictest33-21ksoftirqd/220:35:002
22091996131,3cyclictest33-21ksoftirqd/219:50:252
22091996127,4cyclictest33-21ksoftirqd/223:10:142
22091996126,4cyclictest33-21ksoftirqd/220:45:132
22091996125,4cyclictest33-21ksoftirqd/200:30:002
22091996124,5cyclictest33-21ksoftirqd/221:40:112
22091996124,10cyclictest33-21ksoftirqd/221:55:132
22091996123,6cyclictest33-21ksoftirqd/200:10:132
22089996129,6cyclictest9-21ksoftirqd/000:35:130
22089996128,6cyclictest9-21ksoftirqd/021:20:170
22089996126,5cyclictest9-21ksoftirqd/019:20:270
22091996028,6cyclictest33-21ksoftirqd/222:40:172
22089996023,6cyclictest9-21ksoftirqd/022:10:270
22091995928,5cyclictest33-21ksoftirqd/200:30:212
22091995928,4cyclictest33-21ksoftirqd/220:05:172
22091995927,5cyclictest33-21ksoftirqd/221:05:202
22089995928,6cyclictest9-21ksoftirqd/020:30:190
22089995927,4cyclictest9-21ksoftirqd/020:35:200
22089995925,6cyclictest9-21ksoftirqd/020:10:000
22091995829,10cyclictest33-21ksoftirqd/223:55:122
22091995827,10cyclictest33-21ksoftirqd/219:30:262
22091995826,4cyclictest33-21ksoftirqd/223:25:002
22091995823,3cyclictest33-21ksoftirqd/200:05:012
22089995829,7cyclictest9-21ksoftirqd/021:55:170
22089995828,6cyclictest9-21ksoftirqd/019:12:240
22089995827,5cyclictest9-21ksoftirqd/000:00:280
22089995826,6cyclictest9-21ksoftirqd/021:05:160
22089995825,5cyclictest9-21ksoftirqd/019:45:150
22089995821,3cyclictest9-21ksoftirqd/020:20:250
22089995820,4cyclictest9-21ksoftirqd/023:25:180
22091995724,6cyclictest33-21ksoftirqd/222:00:172
22091995722,7cyclictest33-21ksoftirqd/223:05:162
22089995728,6cyclictest9-21ksoftirqd/023:45:140
192462570,2sleep20-21swapper/200:15:132
22091995624,10cyclictest33-21ksoftirqd/220:40:222
22091995621,10cyclictest33-21ksoftirqd/222:30:172
22089995627,7cyclictest9-21ksoftirqd/021:45:130
22089995623,8cyclictest9-21ksoftirqd/021:50:140
22089995623,6cyclictest9-21ksoftirqd/021:26:180
22089995622,5cyclictest9-21ksoftirqd/019:40:200
22089995621,5cyclictest9-21ksoftirqd/020:50:010
22089995523,9cyclictest9-21ksoftirqd/020:55:190
22089995523,6cyclictest9-21ksoftirqd/022:15:150
22089995522,6cyclictest9-21ksoftirqd/023:36:450
22089995520,5cyclictest9-21ksoftirqd/000:30:260
22089995519,6cyclictest9-21ksoftirqd/021:20:000
138491550,1ptp4l401ktimersoftd/300:00:193
2208999546,6cyclictest9-21ksoftirqd/023:20:230
2208999545,6cyclictest9-21ksoftirqd/000:15:250
2208999544,7cyclictest9-21ksoftirqd/019:50:270
22089995428,9cyclictest9-21ksoftirqd/021:40:130
22089995425,7cyclictest9-21ksoftirqd/022:20:170
22089995424,5cyclictest9-21ksoftirqd/023:10:140
22089995419,6cyclictest9-21ksoftirqd/022:05:140
22089995418,7cyclictest9-21ksoftirqd/022:01:070
2209199534,9cyclictest33-21ksoftirqd/222:10:202
22091995324,10cyclictest33-21ksoftirqd/222:55:152
2208999535,6cyclictest9-21ksoftirqd/022:35:200
2208999535,6cyclictest9-21ksoftirqd/022:30:230
2208999535,6cyclictest9-21ksoftirqd/000:20:170
2208999534,7cyclictest9-21ksoftirqd/022:45:260
2208999534,6cyclictest9-21ksoftirqd/000:10:240
22089995321,5cyclictest9-21ksoftirqd/020:10:270
101632530,2sleep10-21swapper/122:50:201
2209199523,9cyclictest33-21ksoftirqd/222:15:132
22091995223,7cyclictest33-21ksoftirqd/223:25:142
22091995218,10cyclictest33-21ksoftirqd/222:45:282
2208999525,9cyclictest9-21ksoftirqd/023:40:240
2208999525,9cyclictest9-21ksoftirqd/023:00:220
2208999525,6cyclictest9-21ksoftirqd/021:35:260
2208999525,6cyclictest9-21ksoftirqd/020:25:180
2208999525,6cyclictest9-21ksoftirqd/019:35:190
2208999525,5cyclictest9-21ksoftirqd/022:55:250
2208999525,5cyclictest9-21ksoftirqd/020:50:140
2208999524,8cyclictest9-21ksoftirqd/023:05:130
2208999524,7cyclictest9-21ksoftirqd/023:55:230
2208999524,7cyclictest9-21ksoftirqd/022:40:240
22089995225,9cyclictest9-21ksoftirqd/020:15:210
2209199512,6cyclictest33-21ksoftirqd/223:30:132
22091995121,4cyclictest33-21ksoftirqd/223:15:152
2208999515,6cyclictest9-21ksoftirqd/021:00:180
2208999515,6cyclictest9-21ksoftirqd/019:55:250
2208999514,6cyclictest9-21ksoftirqd/023:15:240
2208999514,6cyclictest9-21ksoftirqd/019:25:220
22091995020,9cyclictest33-21ksoftirqd/200:23:102
22091995018,10cyclictest33-21ksoftirqd/221:00:162
22091995014,9cyclictest33-21ksoftirqd/200:35:192
2208999505,6cyclictest9-21ksoftirqd/023:30:280
2208999505,6cyclictest9-21ksoftirqd/022:25:220
2208999504,6cyclictest9-21ksoftirqd/020:00:140
2209199497,3cyclictest33-21ksoftirqd/219:45:272
2209199496,3cyclictest33-21ksoftirqd/221:10:232
2209199495,6cyclictest33-21ksoftirqd/221:45:162
2209199494,6cyclictest33-21ksoftirqd/200:00:262
2209199494,11cyclictest33-21ksoftirqd/223:45:282
2209199492,8cyclictest33-21ksoftirqd/222:20:142
2208999495,8cyclictest9-21ksoftirqd/000:05:160
2208999495,6cyclictest9-21ksoftirqd/023:50:260
2209199486,6cyclictest33-21ksoftirqd/222:05:162
2209199484,7cyclictest33-21ksoftirqd/219:55:152
2209199482,8cyclictest33-21ksoftirqd/220:50:182
2209199482,7cyclictest33-21ksoftirqd/221:25:232
2209199482,6cyclictest33-21ksoftirqd/223:35:222
2209199481,6cyclictest33-21ksoftirqd/223:50:172
2209199480,6cyclictest33-21ksoftirqd/221:15:142
2208999485,8cyclictest9-21ksoftirqd/021:30:270
22089994821,5cyclictest9-21ksoftirqd/000:25:240
2209199476,6cyclictest33-21ksoftirqd/221:20:172
2209199476,5cyclictest33-21ksoftirqd/221:35:212
2209199475,6cyclictest33-21ksoftirqd/222:35:252
2209199475,10cyclictest33-21ksoftirqd/220:20:232
2209199474,10cyclictest33-21ksoftirqd/219:40:232
22091994724,11cyclictest33-21ksoftirqd/220:15:292
2208999475,7cyclictest9-21ksoftirqd/022:50:240
2208999473,7cyclictest9-21ksoftirqd/021:10:130
138491470,0ptp4l401ktimersoftd/300:35:013
2209199465,7cyclictest9591-21if_enp1s022:50:152
2209199465,7cyclictest33-21ksoftirqd/221:50:212
2209199465,5cyclictest33-21ksoftirqd/223:40:282
2209199464,4cyclictest33-21ksoftirqd/221:30:282
2209199464,10cyclictest33-21ksoftirqd/222:25:272
2209199462,7cyclictest33-21ksoftirqd/219:30:002
2208999463,5cyclictest9-21ksoftirqd/020:40:130
2209199446,7cyclictest33-21ksoftirqd/219:35:192
2208999447,5cyclictest9-21ksoftirqd/019:30:260
138591448,7phc2sys41-21ksoftirqd/323:45:273
22092994338,2cyclictest9075-21spawn19:12:363
138491410,0ptp4l401ktimersoftd/319:25:013
303862390,4sleep130415-21sh19:21:041
138491390,1ptp4l401ktimersoftd/323:40:133
138491390,16ptp4l401ktimersoftd/321:35:263
50798380,4rtkit-daemon14042-21cron20:50:011
138491380,0ptp4l401ktimersoftd/323:25:143
138491380,0ptp4l401ktimersoftd/322:14:363
50798370,2rtkit-daemon0-21swapper/121:30:121
22092993732,3cyclictest19703-21fschecks_count21:00:163
22090993731,4cyclictest25-21ksoftirqd/122:58:181
22090993731,4cyclictest25-21ksoftirqd/100:19:301
138491370,0ptp4l401ktimersoftd/323:35:123
138491370,0ptp4l401ktimersoftd/322:35:173
22092993631,3cyclictest41-21ksoftirqd/322:15:153
22092993630,4cyclictest41-21ksoftirqd/300:09:413
22092993629,4cyclictest41-21ksoftirqd/300:33:043
22090993630,4cyclictest25-21ksoftirqd/122:32:401
22090993630,4cyclictest25-21ksoftirqd/119:31:111
22090993630,4cyclictest25-21ksoftirqd/100:07:181
22092993529,4cyclictest41-21ksoftirqd/323:01:533
22092993529,4cyclictest41-21ksoftirqd/320:51:473
22092993529,4cyclictest41-21ksoftirqd/320:13:283
22090993530,3cyclictest25-21ksoftirqd/119:30:011
22090993529,4cyclictest25-21ksoftirqd/122:15:051
22090993529,4cyclictest25-21ksoftirqd/122:01:011
22090993529,4cyclictest25-21ksoftirqd/121:51:081
22090993529,3cyclictest4829-21irqrtprio21:35:191
22092993429,3cyclictest41-21ksoftirqd/322:05:193
22092993428,4cyclictest41-21ksoftirqd/322:20:413
22092993428,4cyclictest41-21ksoftirqd/321:15:393
22092993428,4cyclictest41-21ksoftirqd/321:14:193
22092993428,4cyclictest41-21ksoftirqd/319:57:243
22092993419,12cyclictest41-21ksoftirqd/320:20:003
22090993429,3cyclictest25-21ksoftirqd/120:36:111
22090993429,3cyclictest25-21ksoftirqd/120:10:011
22090993428,4cyclictest25-21ksoftirqd/123:24:061
22090993428,4cyclictest25-21ksoftirqd/123:15:591
22090993428,4cyclictest25-21ksoftirqd/121:58:501
22090993428,4cyclictest25-21ksoftirqd/119:52:001
22090993428,4cyclictest25-21ksoftirqd/119:41:531
22092993328,3cyclictest41-21ksoftirqd/300:15:113
22092993327,4cyclictest41-21ksoftirqd/323:53:083
22092993327,4cyclictest41-21ksoftirqd/321:53:103
22090993328,3cyclictest25-21ksoftirqd/123:55:091
22090993328,3cyclictest25-21ksoftirqd/122:45:111
22090993328,3cyclictest25-21ksoftirqd/122:41:331
22090993327,4cyclictest25-21ksoftirqd/123:37:051
22090993327,4cyclictest25-21ksoftirqd/122:38:481
22090993327,4cyclictest25-21ksoftirqd/121:13:361
22090993327,4cyclictest25-21ksoftirqd/121:09:551
22090993327,4cyclictest25-21ksoftirqd/120:54:541
22090993327,4cyclictest25-21ksoftirqd/120:41:071
138491330,0ptp4l401ktimersoftd/320:37:133
138491330,0ptp4l401ktimersoftd/300:25:473
22092993227,3cyclictest41-21ksoftirqd/323:23:443
22092993227,3cyclictest41-21ksoftirqd/323:05:123
22092993227,3cyclictest41-21ksoftirqd/322:52:033
22092993227,3cyclictest41-21ksoftirqd/321:32:353
22092993227,3cyclictest41-21ksoftirqd/320:27:413
22092993226,4cyclictest41-21ksoftirqd/322:48:213
22092993226,4cyclictest41-21ksoftirqd/320:49:433
22092993226,4cyclictest41-21ksoftirqd/320:08:203
22090993226,4cyclictest25-21ksoftirqd/121:28:201
22090993226,4cyclictest25-21ksoftirqd/120:19:121
22090993226,4cyclictest25-21ksoftirqd/100:01:201
2969923125,3sleep125-21ksoftirqd/123:30:201
22092993128,2cyclictest41-21ksoftirqd/320:20:113
22092993126,3cyclictest41-21ksoftirqd/323:15:393
22092993125,4cyclictest41-21ksoftirqd/322:40:593
22090993126,3cyclictest25-21ksoftirqd/119:37:151
22090993125,4cyclictest25-21ksoftirqd/123:09:141
22090993125,4cyclictest25-21ksoftirqd/121:44:371
22090993125,4cyclictest25-21ksoftirqd/120:33:201
22090993125,4cyclictest25-21ksoftirqd/100:36:551
22090993125,3cyclictest25-21ksoftirqd/120:21:211
138491310,0ptp4l401ktimersoftd/323:56:593
138491310,0ptp4l401ktimersoftd/323:33:563
138491310,0ptp4l401ktimersoftd/322:58:003
138491310,0ptp4l401ktimersoftd/320:03:263
138491310,0ptp4l401ktimersoftd/319:43:243
138491310,0ptp4l401ktimersoftd/319:33:163
138491310,0ptp4l401ktimersoftd/300:20:403
22092993025,3cyclictest41-21ksoftirqd/322:00:323
22092993025,3cyclictest41-21ksoftirqd/300:10:503
22092993024,4cyclictest41-21ksoftirqd/321:48:133
22092993024,4cyclictest41-21ksoftirqd/321:40:503
22090993025,3cyclictest25-21ksoftirqd/123:53:301
22090993025,3cyclictest25-21ksoftirqd/122:11:371
22090993024,4cyclictest25-21ksoftirqd/121:16:371
22090993024,4cyclictest25-21ksoftirqd/100:26:081
22090993024,4cyclictest25-21ksoftirqd/100:12:401
138491300,0ptp4l401ktimersoftd/321:20:103
138491300,0ptp4l401ktimersoftd/321:08:133
22092992924,3cyclictest41-21ksoftirqd/319:50:433
22092992923,4cyclictest41-21ksoftirqd/319:37:223
22090992924,3cyclictest25-21ksoftirqd/122:24:121
22090992924,3cyclictest25-21ksoftirqd/120:56:581
22090992924,3cyclictest25-21ksoftirqd/120:25:101
22090992924,3cyclictest25-21ksoftirqd/100:32:591
22090992923,4cyclictest25-21ksoftirqd/123:28:551
22090992923,4cyclictest25-21ksoftirqd/122:28:501
22090992923,3cyclictest25-21ksoftirqd/123:00:381
22090992922,4cyclictest25-21ksoftirqd/121:01:521
138491290,0ptp4l401ktimersoftd/319:28:313
22092992823,3cyclictest41-21ksoftirqd/320:59:593
22092992823,3cyclictest41-21ksoftirqd/320:41:363
22092992823,3cyclictest41-21ksoftirqd/319:49:113
22090992823,3cyclictest25-21ksoftirqd/121:45:151
22090992823,3cyclictest25-21ksoftirqd/100:23:311
22092992723,2cyclictest41-21ksoftirqd/321:25:113
22090992722,3cyclictest25-21ksoftirqd/123:42:581
22090992722,3cyclictest25-21ksoftirqd/123:10:131
22090992722,3cyclictest25-21ksoftirqd/119:55:121
22090992721,4cyclictest25-21ksoftirqd/121:23:031
138491270,8ptp4l401ktimersoftd/322:31:263
22092992620,3cyclictest41-21ksoftirqd/320:33:593
22092992520,3cyclictest41-21ksoftirqd/323:10:203
22090992419,3cyclictest25-21ksoftirqd/122:09:431
138491230,0ptp4l401ktimersoftd/321:55:163
2209099225,4cyclictest50798rtkit-daemon20:10:261
22090992116,3cyclictest25-21ksoftirqd/123:46:381
22090992116,3cyclictest25-21ksoftirqd/119:45:221
22090991913,3cyclictest22112-21tr20:00:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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