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2026-05-15 - 13:18
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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 792 highest latencies:
System rackdslot3.osadl.org (updated Fri May 15, 2026 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138992204171,22sleep00-21swapper/019:06:250
139272202169,22sleep20-21swapper/219:06:472
139262201168,22sleep10-21swapper/119:06:461
139022201168,22sleep30-21swapper/319:06:283
1086321720,5sleep01447699cyclictest20:09:550
475021600,6sleep21447899cyclictest21:00:272
14476996932,7cyclictest9-21ksoftirqd/020:25:000
14476996932,7cyclictest9-21ksoftirqd/020:25:000
14477996524,7cyclictest25-21ksoftirqd/122:45:141
139391650,1ptp4l401ktimersoftd/321:13:353
14477996422,3cyclictest25-21ksoftirqd/122:25:171
14476996431,7cyclictest9-21ksoftirqd/000:00:100
14476996431,4cyclictest9-21ksoftirqd/000:35:000
14476996428,3cyclictest9-21ksoftirqd/020:20:010
14477996332,4cyclictest25-21ksoftirqd/120:15:121
14477996331,4cyclictest25-21ksoftirqd/100:30:201
14477996329,4cyclictest25-21ksoftirqd/122:15:001
14477996329,4cyclictest25-21ksoftirqd/122:14:591
14476996328,7cyclictest9-21ksoftirqd/019:35:260
14476996326,7cyclictest9-21ksoftirqd/022:40:000
14477996231,4cyclictest25-21ksoftirqd/121:30:271
14477996134,3cyclictest25-21ksoftirqd/121:20:161
14477996132,4cyclictest25-21ksoftirqd/123:55:191
14477996132,4cyclictest25-21ksoftirqd/123:55:191
14477996131,4cyclictest25-21ksoftirqd/119:10:191
14477996127,10cyclictest25-21ksoftirqd/123:40:191
14476996129,4cyclictest9-21ksoftirqd/023:05:000
14476996128,4cyclictest9-21ksoftirqd/019:34:590
14477996033,3cyclictest25-21ksoftirqd/120:10:251
14477996032,8cyclictest25-21ksoftirqd/119:55:131
14477996031,3cyclictest25-21ksoftirqd/119:20:131
14477996030,4cyclictest25-21ksoftirqd/121:40:121
14477996029,4cyclictest25-21ksoftirqd/121:15:151
14477996025,7cyclictest25-21ksoftirqd/122:35:251
14477996021,4cyclictest25-21ksoftirqd/120:25:171
14477996020,8cyclictest25-21ksoftirqd/121:55:211
14476996027,7cyclictest9-21ksoftirqd/023:10:300
14476996021,3cyclictest9-21ksoftirqd/022:30:140
14477995930,3cyclictest25-21ksoftirqd/119:50:171
14477995929,4cyclictest25-21ksoftirqd/123:00:151
14476995930,4cyclictest9-21ksoftirqd/019:25:200
14476995926,4cyclictest9-21ksoftirqd/022:05:000
14476995926,3cyclictest9-21ksoftirqd/023:45:140
233012580,5sleep233-21ksoftirqd/219:25:242
14477995830,3cyclictest25-21ksoftirqd/120:20:241
14477995830,3cyclictest25-21ksoftirqd/120:20:241
14477995828,3cyclictest25-21ksoftirqd/122:05:131
14477995828,3cyclictest25-21ksoftirqd/122:05:131
14477995825,6cyclictest25-21ksoftirqd/122:15:181
14477995824,7cyclictest25-21ksoftirqd/122:45:011
14477995824,4cyclictest25-21ksoftirqd/123:50:161
14477995823,7cyclictest25-21ksoftirqd/122:20:141
14477995818,7cyclictest25-21ksoftirqd/100:35:261
14476995830,4cyclictest9-21ksoftirqd/020:25:160
14476995829,4cyclictest9-21ksoftirqd/000:20:140
14476995826,9cyclictest9-21ksoftirqd/023:40:240
14476995826,7cyclictest9-21ksoftirqd/021:20:240
14476995826,4cyclictest9-21ksoftirqd/020:40:220
14476995825,4cyclictest9-21ksoftirqd/022:30:000
14476995824,6cyclictest9-21ksoftirqd/021:50:200
14476995823,8cyclictest9-21ksoftirqd/000:10:270
14476995821,4cyclictest9-21ksoftirqd/021:15:280
14477995730,4cyclictest25-21ksoftirqd/100:00:281
14477995723,3cyclictest25-21ksoftirqd/120:45:151
14477995721,3cyclictest25-21ksoftirqd/123:10:201
14476995726,6cyclictest9-21ksoftirqd/021:55:210
14476995725,4cyclictest9-21ksoftirqd/020:10:250
14476995724,9cyclictest9-21ksoftirqd/022:50:220
14476995724,4cyclictest9-21ksoftirqd/020:45:220
254342560,3sleep125435-21irqrtprio21:45:191
14477995625,4cyclictest25-21ksoftirqd/100:15:141
14477995624,4cyclictest25-21ksoftirqd/122:55:191
14477995623,3cyclictest25-21ksoftirqd/123:35:151
14477995623,3cyclictest25-21ksoftirqd/122:50:141
14477995619,8cyclictest25-21ksoftirqd/119:45:241
14476995628,4cyclictest9-21ksoftirqd/019:15:220
14476995625,7cyclictest9-21ksoftirqd/022:05:180
14476995625,7cyclictest9-21ksoftirqd/022:05:170
14476995625,4cyclictest9-21ksoftirqd/021:27:200
14476995624,9cyclictest9-21ksoftirqd/021:40:180
14476995624,8cyclictest9-21ksoftirqd/019:20:010
14476995624,4cyclictest9-21ksoftirqd/021:45:180
14476995624,3cyclictest9-21ksoftirqd/000:30:010
14477995523,6cyclictest25-21ksoftirqd/100:30:001
14477995522,10cyclictest25-21ksoftirqd/119:15:211
14477995521,4cyclictest25-21ksoftirqd/120:50:151
14477995521,3cyclictest25-21ksoftirqd/122:30:181
14476995527,4cyclictest9-21ksoftirqd/023:25:250
14476995526,4cyclictest9-21ksoftirqd/023:30:270
14476995526,4cyclictest9-21ksoftirqd/020:50:210
14476995524,7cyclictest9-21ksoftirqd/000:35:150
14476995524,4cyclictest9-21ksoftirqd/021:00:140
14476995523,5cyclictest9-21ksoftirqd/022:40:230
14476995523,4cyclictest9-21ksoftirqd/021:30:230
14476995523,3cyclictest9-21ksoftirqd/023:20:140
14476995520,4cyclictest9-21ksoftirqd/023:55:260
14476995520,4cyclictest9-21ksoftirqd/023:55:260
139391550,1ptp4l401ktimersoftd/322:44:533
14477995424,4cyclictest25-21ksoftirqd/100:10:141
14477995423,4cyclictest25-21ksoftirqd/123:30:001
14477995423,3cyclictest25-21ksoftirqd/119:35:151
14477995422,3cyclictest25-21ksoftirqd/123:05:251
14477995421,7cyclictest25-21ksoftirqd/123:30:261
14477995421,3cyclictest25-21ksoftirqd/121:00:171
14476995427,4cyclictest9-21ksoftirqd/023:50:250
14476995427,4cyclictest9-21ksoftirqd/022:10:250
14476995427,4cyclictest9-21ksoftirqd/022:10:250
14476995423,6cyclictest9-21ksoftirqd/000:15:200
14476995423,4cyclictest9-21ksoftirqd/019:50:230
14476995422,7cyclictest9-21ksoftirqd/023:35:240
14476995420,4cyclictest9-21ksoftirqd/021:05:190
14477995326,4cyclictest25-21ksoftirqd/120:30:141
14477995323,4cyclictest25-21ksoftirqd/121:05:241
14477995322,4cyclictest25-21ksoftirqd/121:40:001
1447699535,4cyclictest9-21ksoftirqd/021:40:000
14476995323,8cyclictest9-21ksoftirqd/022:45:140
14476995322,6cyclictest9-21ksoftirqd/019:15:000
14476995322,3cyclictest9-21ksoftirqd/000:05:190
14476995319,3cyclictest9-21ksoftirqd/020:35:000
14478995215,10cyclictest33-21ksoftirqd/223:45:002
14477995221,3cyclictest25-21ksoftirqd/123:15:131
14477995219,6cyclictest25-21ksoftirqd/120:00:181
14477995218,4cyclictest25-21ksoftirqd/120:58:231
14476995224,3cyclictest9-21ksoftirqd/019:45:270
14476995222,5cyclictest9-21ksoftirqd/019:55:260
14476995221,4cyclictest9-21ksoftirqd/020:35:150
14476995221,4cyclictest9-21ksoftirqd/019:40:240
14477995134,3cyclictest25-21ksoftirqd/120:40:241
14477995113,6cyclictest25-21ksoftirqd/100:20:221
1447699518,4cyclictest9-21ksoftirqd/020:00:160
14476995125,9cyclictest9-21ksoftirqd/022:55:220
14476995122,9cyclictest9-21ksoftirqd/020:55:140
14476995119,4cyclictest9-21ksoftirqd/023:15:130
14476994920,4cyclictest9-21ksoftirqd/021:10:230
14478994826,5cyclictest33-21ksoftirqd/221:30:002
14477994831,4cyclictest25-21ksoftirqd/121:30:001
14477994821,3cyclictest25-21ksoftirqd/123:45:371
1447799480,2cyclictest121rcu_preempt19:44:591
1447699483,3cyclictest9-21ksoftirqd/023:10:000
1447699481,7cyclictest9-21ksoftirqd/022:15:240
14478994728,5cyclictest33-21ksoftirqd/219:55:002
14477994730,3cyclictest25-21ksoftirqd/119:30:001
14477994728,11cyclictest25-21ksoftirqd/100:05:221
14477994720,2cyclictest25-21ksoftirqd/123:20:241
14477994718,8cyclictest25-21ksoftirqd/119:30:161
1447699477,7cyclictest9-21ksoftirqd/022:23:030
139391470,1ptp4l401ktimersoftd/323:41:213
14478994525,10cyclictest33-21ksoftirqd/222:40:012
14478994424,8cyclictest33-21ksoftirqd/223:10:302
14478994423,10cyclictest33-21ksoftirqd/221:55:132
1447899441,5cyclictest33-21ksoftirqd/200:00:102
1447899441,12cyclictest33-21ksoftirqd/222:25:012
1447799443,2cyclictest121rcu_preempt21:55:001
1447899434,10cyclictest33-21ksoftirqd/222:10:142
1447899434,10cyclictest33-21ksoftirqd/222:10:142
14478994326,5cyclictest33-21ksoftirqd/219:45:252
14478994325,9cyclictest33-21ksoftirqd/221:10:002
14477994327,4cyclictest25-21ksoftirqd/120:05:171
1447799431,2cyclictest121rcu_preempt22:00:161
1447799430,2cyclictest121rcu_preempt21:10:141
1447899427,10cyclictest33-21ksoftirqd/223:55:152
1447899427,10cyclictest33-21ksoftirqd/223:55:142
14478994237,3cyclictest33-21ksoftirqd/200:39:592
14478994228,12cyclictest33-21ksoftirqd/222:05:252
14478994228,12cyclictest33-21ksoftirqd/222:05:252
14478994227,5cyclictest33-21ksoftirqd/223:20:192
14478994226,4cyclictest33-21ksoftirqd/221:40:002
14478994222,8cyclictest33-21ksoftirqd/222:20:012
14478994222,17cyclictest33-21ksoftirqd/219:40:132
14478994217,5cyclictest33-21ksoftirqd/222:45:012
14477994227,4cyclictest25-21ksoftirqd/120:35:151
139391420,0ptp4l401ktimersoftd/300:25:543
139391420,0ptp4l401ktimersoftd/300:06:443
1447899415,3cyclictest33-21ksoftirqd/219:22:082
14478994111,5cyclictest33-21ksoftirqd/220:05:282
139391410,1ptp4l401ktimersoftd/320:15:293
1447899409,4cyclictest33-21ksoftirqd/223:25:222
1447899408,11cyclictest33-21ksoftirqd/221:50:212
14478994026,4cyclictest33-21ksoftirqd/223:35:242
14478994023,4cyclictest33-21ksoftirqd/222:45:272
14478994019,5cyclictest33-21ksoftirqd/219:40:012
1447899399,3cyclictest33-21ksoftirqd/200:05:272
1447899395,5cyclictest33-21ksoftirqd/220:20:122
1447899395,5cyclictest33-21ksoftirqd/220:20:122
14478993922,5cyclictest33-21ksoftirqd/219:35:002
14478993920,9cyclictest33-21ksoftirqd/220:10:152
1447899391,8cyclictest33-21ksoftirqd/223:05:222
1447899391,5cyclictest33-21ksoftirqd/219:55:542
139391390,1ptp4l401ktimersoftd/319:48:403
14479993831,5cyclictest41-21ksoftirqd/300:20:003
1447899388,9cyclictest33-21ksoftirqd/223:30:252
1447899385,7cyclictest33-21ksoftirqd/220:45:132
14478993832,3cyclictest35892irq/126-enp1s0-20:40:022
14478993832,3cyclictest33-21ksoftirqd/222:55:202
14478993828,2cyclictest33-21ksoftirqd/220:30:162
14478993827,2cyclictest121rcu_preempt21:25:002
14478993824,4cyclictest33-21ksoftirqd/222:25:122
1447899381,8cyclictest33-21ksoftirqd/221:30:152
1447899381,5cyclictest33-21ksoftirqd/200:25:042
14478993813,4cyclictest33-21ksoftirqd/219:15:172
14479993733,2cyclictest41-21ksoftirqd/321:20:003
1447899378,7cyclictest33-21ksoftirqd/200:10:142
1447899377,7cyclictest33-21ksoftirqd/222:00:272
1447899375,3cyclictest33-21ksoftirqd/223:53:592
1447899374,4cyclictest33-21ksoftirqd/220:54:122
1447899373,3cyclictest121rcu_preempt22:50:252
1447899373,2cyclictest121rcu_preempt21:15:292
14478993731,3cyclictest33-21ksoftirqd/223:45:132
14478993731,3cyclictest33-21ksoftirqd/200:30:132
14478993730,3cyclictest33-21ksoftirqd/222:35:002
14478993728,3cyclictest33-21ksoftirqd/220:04:442
14478993720,5cyclictest33-21ksoftirqd/200:20:142
14478993716,10cyclictest33-21ksoftirqd/223:05:002
1447899371,5cyclictest33-21ksoftirqd/220:59:202
139391370,0ptp4l401ktimersoftd/300:00:273
57898360,7rtkit-daemon0-21swapper/319:53:473
14479993631,3cyclictest41-21ksoftirqd/319:30:003
14479993630,3cyclictest41-21ksoftirqd/320:57:583
1447899364,2cyclictest121rcu_preempt20:35:172
14478993631,3cyclictest33-21ksoftirqd/223:20:002
14478993624,3cyclictest33-21ksoftirqd/220:25:162
14478993621,4cyclictest33-21ksoftirqd/221:40:122
1447899361,4cyclictest33-21ksoftirqd/200:18:182
139391360,0ptp4l401ktimersoftd/323:13:513
139391360,0ptp4l401ktimersoftd/319:40:203
1447999354,3cyclictest121rcu_preempt22:10:143
1447999354,3cyclictest121rcu_preempt22:10:143
14479993530,3cyclictest41-21ksoftirqd/322:20:003
14479993530,2cyclictest41-21ksoftirqd/322:20:173
14479993529,4cyclictest41-21ksoftirqd/323:03:283
14479993529,4cyclictest41-21ksoftirqd/300:24:193
14478993531,2cyclictest33-21ksoftirqd/220:20:012
14478993529,3cyclictest33-21ksoftirqd/221:12:092
14478993517,8cyclictest33-21ksoftirqd/221:45:182
139391350,0ptp4l401ktimersoftd/323:23:143
139391350,0ptp4l401ktimersoftd/322:30:193
139391350,0ptp4l401ktimersoftd/319:31:433
14479993429,3cyclictest41-21ksoftirqd/322:05:123
14479993429,3cyclictest41-21ksoftirqd/322:05:123
14479993429,3cyclictest41-21ksoftirqd/320:05:203
14479993428,4cyclictest41-21ksoftirqd/321:43:213
14479993428,4cyclictest41-21ksoftirqd/321:05:103
14479993428,4cyclictest41-21ksoftirqd/320:46:203
14478993419,5cyclictest33-21ksoftirqd/219:13:582
14479993329,2cyclictest139391ptp4l22:35:233
14479993328,3cyclictest41-21ksoftirqd/319:35:173
14479993328,2cyclictest41-21ksoftirqd/321:20:193
14479993327,4cyclictest41-21ksoftirqd/323:32:413
14479993327,4cyclictest41-21ksoftirqd/322:01:063
14479993327,4cyclictest41-21ksoftirqd/321:52:483
14479993327,4cyclictest41-21ksoftirqd/320:52:343
14479993327,4cyclictest41-21ksoftirqd/320:43:113
14479993228,3cyclictest41-21ksoftirqd/323:25:183
14479993227,3cyclictest41-21ksoftirqd/323:52:313
14479993227,3cyclictest41-21ksoftirqd/323:05:583
14479993227,3cyclictest41-21ksoftirqd/323:00:013
14479993227,3cyclictest41-21ksoftirqd/319:18:003
14479993227,3cyclictest41-21ksoftirqd/300:35:163
14479993226,4cyclictest41-21ksoftirqd/322:48:123
14479993226,4cyclictest41-21ksoftirqd/320:23:223
14479993226,4cyclictest41-21ksoftirqd/320:23:223
14479993226,4cyclictest41-21ksoftirqd/320:14:313
139391320,1ptp4l0-21swapper/322:28:573
139391320,10ptp4l401ktimersoftd/321:50:003
14479993127,2cyclictest41-21ksoftirqd/323:45:183
14479993125,4cyclictest41-21ksoftirqd/320:33:493
14479993125,4cyclictest41-21ksoftirqd/300:34:263
14479993125,3cyclictest41-21ksoftirqd/321:25:193
139391310,9ptp4l401ktimersoftd/322:51:103
139391310,0ptp4l401ktimersoftd/319:11:563
14479993025,3cyclictest41-21ksoftirqd/321:30:133
14479993024,4cyclictest41-21ksoftirqd/323:57:283
14479993024,4cyclictest41-21ksoftirqd/323:57:283
14479993024,4cyclictest41-21ksoftirqd/319:57:553
14479993024,4cyclictest41-21ksoftirqd/300:10:363
1447999301,9cyclictest41-21ksoftirqd/320:25:173
139391300,0ptp4l401ktimersoftd/323:15:433
14479992924,3cyclictest41-21ksoftirqd/321:00:193
14479992823,3cyclictest41-21ksoftirqd/323:35:593
14479992823,3cyclictest41-21ksoftirqd/321:58:183
14479992823,3cyclictest41-21ksoftirqd/321:36:433
14479992823,3cyclictest41-21ksoftirqd/320:37:173
14479992823,3cyclictest41-21ksoftirqd/319:22:203
14479992621,3cyclictest41-21ksoftirqd/320:04:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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