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2026-04-30 - 11:23
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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 376 highest latencies:
System rackdslot2.osadl.org (updated Thu Apr 30, 2026 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21232235168,22sleep30-21swapper/319:09:503
133922270,10sleep00-21swapper/019:05:250
18962205172,22sleep10-21swapper/119:07:031
17972204170,23sleep20-21swapper/219:05:482
1604621820,7sleep0243099cyclictest21:50:210
153362600,2sleep10-21swapper/120:40:271
221542550,3sleep122158-21phc2sys20:55:221
2433994439,3cyclictest32330-21sh22:45:003
41298430,2rtkit-daemon411-21rtkit-daemon00:35:152
139291430,0ptp4l401ktimersoftd/320:17:473
2431994236,3cyclictest29326-21sh22:35:001
243099423,3cyclictest121rcu_preempt20:00:000
243099421,5cyclictest9-21ksoftirqd/023:20:000
2431994136,3cyclictest25-21ksoftirqd/121:54:591
2431994135,3cyclictest25-21ksoftirqd/119:30:011
2431994127,4cyclictest25-21ksoftirqd/123:40:151
2431994124,3cyclictest25-21ksoftirqd/123:20:171
243099410,5cyclictest9-21ksoftirqd/022:45:000
139291410,0ptp4l401ktimersoftd/319:48:553
139291410,0ptp4l401ktimersoftd/300:04:083
2431994024,3cyclictest25-21ksoftirqd/122:10:261
2430994033,4cyclictest28083-21dump-pmu-power00:20:000
243099400,2cyclictest121rcu_preempt19:20:000
2432993932,4cyclictest33-21ksoftirqd/219:16:592
2431993935,2cyclictest25-21ksoftirqd/121:24:591
2431993927,4cyclictest25-21ksoftirqd/119:10:151
2431993925,4cyclictest25-21ksoftirqd/123:30:221
2431993924,3cyclictest25-21ksoftirqd/120:45:271
2431993924,3cyclictest25-21ksoftirqd/100:20:191
2431993919,13cyclictest25-21ksoftirqd/119:35:161
2430993934,3cyclictest9-21ksoftirqd/000:25:000
243099393,3cyclictest121rcu_preempt20:15:000
243099390,3cyclictest121rcu_preempt22:20:000
2432993834,3cyclictest33-21ksoftirqd/220:00:002
2432993832,4cyclictest33-21ksoftirqd/222:49:282
2432993823,13cyclictest33-21ksoftirqd/223:05:012
2431993833,2cyclictest25-21ksoftirqd/100:05:011
2431993832,4cyclictest25-21ksoftirqd/122:09:121
2431993832,4cyclictest25-21ksoftirqd/122:09:121
2431993826,3cyclictest25-21ksoftirqd/121:05:291
2431993824,3cyclictest25-21ksoftirqd/120:10:281
2431993823,3cyclictest25-21ksoftirqd/121:45:261
243099384,2cyclictest121rcu_preempt00:36:480
2430993833,3cyclictest9-21ksoftirqd/021:35:010
2430993833,2cyclictest9-21ksoftirqd/023:55:000
2430993824,3cyclictest9-21ksoftirqd/020:45:160
2430993823,3cyclictest9-21ksoftirqd/019:35:130
2433993732,3cyclictest41-21ksoftirqd/320:03:133
2433993731,4cyclictest41-21ksoftirqd/322:33:293
2433993731,4cyclictest41-21ksoftirqd/321:43:103
2433993731,4cyclictest41-21ksoftirqd/321:11:063
2433993731,4cyclictest41-21ksoftirqd/320:35:463
2433993731,4cyclictest41-21ksoftirqd/319:20:293
2433993731,4cyclictest41-21ksoftirqd/319:13:263
2432993731,4cyclictest33-21ksoftirqd/223:50:542
2432993731,4cyclictest33-21ksoftirqd/200:24:522
2432993730,4cyclictest33-21ksoftirqd/223:06:452
2432993718,17cyclictest33-21ksoftirqd/219:35:002
2431993732,3cyclictest25-21ksoftirqd/122:30:001
2431993732,3cyclictest25-21ksoftirqd/121:25:151
2431993732,3cyclictest25-21ksoftirqd/119:45:111
2431993732,3cyclictest25-21ksoftirqd/119:40:151
2431993732,3cyclictest25-21ksoftirqd/119:30:111
2431993732,3cyclictest25-21ksoftirqd/100:10:001
2431993731,3cyclictest25-21ksoftirqd/123:00:001
2431993730,4cyclictest25-21ksoftirqd/120:51:011
2431993723,4cyclictest25-21ksoftirqd/100:10:141
2431993723,3cyclictest25-21ksoftirqd/121:40:241
2431993723,3cyclictest25-21ksoftirqd/121:30:131
2431993723,3cyclictest25-21ksoftirqd/121:15:191
2431993723,3cyclictest25-21ksoftirqd/119:15:191
2431993722,4cyclictest25-21ksoftirqd/122:40:131
2431993722,3cyclictest25-21ksoftirqd/122:20:251
243099374,2cyclictest121rcu_preempt20:07:020
243099373,3cyclictest121rcu_preempt00:30:130
2430993732,3cyclictest9-21ksoftirqd/023:20:180
2430993732,3cyclictest9-21ksoftirqd/022:00:000
2430993732,3cyclictest9-21ksoftirqd/019:15:010
2430993731,4cyclictest9-21ksoftirqd/023:07:370
2430993722,3cyclictest9-21ksoftirqd/023:00:180
2430993722,3cyclictest9-21ksoftirqd/019:45:190
2433993630,4cyclictest41-21ksoftirqd/323:10:003
2433993630,4cyclictest41-21ksoftirqd/322:47:103
2433993630,4cyclictest41-21ksoftirqd/322:35:013
2433993630,4cyclictest41-21ksoftirqd/322:35:013
2433993630,4cyclictest41-21ksoftirqd/320:56:083
2433993630,4cyclictest41-21ksoftirqd/300:37:493
2433993615,3cyclictest23508-21grep21:00:133
2432993631,4cyclictest33-21ksoftirqd/223:14:042
2432993631,3cyclictest33-21ksoftirqd/222:42:462
2432993631,3cyclictest33-21ksoftirqd/219:30:002
2432993630,4cyclictest33-21ksoftirqd/221:32:142
2432993630,4cyclictest33-21ksoftirqd/221:12:322
2432993630,4cyclictest33-21ksoftirqd/220:34:502
2432993630,4cyclictest33-21ksoftirqd/219:47:472
2432993629,4cyclictest33-21ksoftirqd/222:55:342
2431993631,3cyclictest25-21ksoftirqd/119:50:131
2431993630,4cyclictest25-21ksoftirqd/122:35:351
2431993630,4cyclictest25-21ksoftirqd/122:35:351
2431993630,4cyclictest25-21ksoftirqd/120:16:201
2431993630,3cyclictest25-21ksoftirqd/122:55:011
2431993630,3cyclictest25-21ksoftirqd/122:50:001
2431993629,4cyclictest25-21ksoftirqd/100:37:311
2431993624,3cyclictest25-21ksoftirqd/123:10:201
2431993622,3cyclictest25-21ksoftirqd/120:05:261
2431993621,3cyclictest25-21ksoftirqd/122:00:241
2431993621,3cyclictest25-21ksoftirqd/120:20:151
243099364,3cyclictest121rcu_preempt19:30:280
243099363,3cyclictest121rcu_preempt21:36:430
243099363,3cyclictest121rcu_preempt21:36:430
2430993632,2cyclictest9-21ksoftirqd/022:20:190
2430993632,2cyclictest9-21ksoftirqd/021:20:230
2430993631,3cyclictest9-21ksoftirqd/023:35:010
2430993631,3cyclictest9-21ksoftirqd/021:08:030
243099361,3cyclictest9-21ksoftirqd/022:13:390
243099360,3cyclictest121rcu_preempt20:25:180
243099360,2cyclictest121rcu_preempt23:00:000
2433993530,3cyclictest41-21ksoftirqd/322:50:133
2433993529,4cyclictest41-21ksoftirqd/323:50:593
2433993529,4cyclictest41-21ksoftirqd/323:31:173
2433993529,4cyclictest41-21ksoftirqd/323:01:493
2433993529,4cyclictest41-21ksoftirqd/322:10:583
2433993529,4cyclictest41-21ksoftirqd/322:05:373
2433993529,4cyclictest41-21ksoftirqd/322:05:373
2433993529,4cyclictest41-21ksoftirqd/300:11:133
2433993529,3cyclictest41-21ksoftirqd/300:26:363
2432993530,3cyclictest33-21ksoftirqd/222:34:422
2432993530,3cyclictest33-21ksoftirqd/221:35:192
2432993530,3cyclictest33-21ksoftirqd/221:35:192
2432993530,3cyclictest33-21ksoftirqd/220:41:552
2432993529,4cyclictest33-21ksoftirqd/223:41:072
2432993529,4cyclictest33-21ksoftirqd/223:23:422
2432993529,4cyclictest33-21ksoftirqd/222:14:222
2432993529,4cyclictest33-21ksoftirqd/222:02:432
2432993529,4cyclictest33-21ksoftirqd/221:47:272
2432993529,4cyclictest33-21ksoftirqd/221:16:132
2432993529,4cyclictest33-21ksoftirqd/220:21:012
2432993529,3cyclictest33-21ksoftirqd/219:35:142
2432993528,4cyclictest33-21ksoftirqd/220:28:322
243299351,2cyclictest121rcu_preempt00:11:172
2431993531,2cyclictest25-21ksoftirqd/100:00:001
2431993530,3cyclictest25-21ksoftirqd/123:06:031
2431993530,3cyclictest25-21ksoftirqd/121:05:001
2431993529,4cyclictest25-21ksoftirqd/120:31:471
2431993529,4cyclictest25-21ksoftirqd/120:25:531
2431993529,4cyclictest25-21ksoftirqd/120:02:471
2431993529,4cyclictest25-21ksoftirqd/100:33:181
2431993528,4cyclictest25-21ksoftirqd/123:45:361
2431993520,3cyclictest25-21ksoftirqd/123:50:251
243099353,3cyclictest121rcu_preempt20:35:180
2430993531,2cyclictest9-21ksoftirqd/021:05:010
2430993530,3cyclictest9-21ksoftirqd/021:40:100
2430993530,3cyclictest9-21ksoftirqd/020:35:010
2430993530,3cyclictest9-21ksoftirqd/020:20:220
2430993529,4cyclictest9-21ksoftirqd/022:36:100
2430993529,4cyclictest9-21ksoftirqd/022:36:100
2430993529,4cyclictest9-21ksoftirqd/022:34:030
2430993520,3cyclictest9-21ksoftirqd/022:50:180
2430993519,6cyclictest9-21ksoftirqd/022:00:280
243099351,3cyclictest121rcu_preempt20:04:530
2433993429,3cyclictest41-21ksoftirqd/320:26:043
2433993428,4cyclictest41-21ksoftirqd/323:55:293
2433993428,4cyclictest41-21ksoftirqd/320:08:263
2433993428,4cyclictest41-21ksoftirqd/319:59:523
2432993429,3cyclictest33-21ksoftirqd/221:43:342
2432993428,4cyclictest33-21ksoftirqd/223:17:372
2432993428,4cyclictest33-21ksoftirqd/221:54:342
2432993428,4cyclictest33-21ksoftirqd/220:38:542
2432993428,4cyclictest33-21ksoftirqd/220:11:502
2432993428,3cyclictest33-21ksoftirqd/219:25:002
2432993427,4cyclictest33-21ksoftirqd/220:08:062
2431993428,4cyclictest25-21ksoftirqd/122:18:151
2431993427,4cyclictest25-21ksoftirqd/121:59:221
2431993419,3cyclictest25-21ksoftirqd/121:35:011
2431993419,3cyclictest25-21ksoftirqd/121:35:011
2431993419,3cyclictest25-21ksoftirqd/119:55:201
2431993418,4cyclictest25-21ksoftirqd/120:35:211
243099344,2cyclictest9-21ksoftirqd/020:15:120
2430993428,4cyclictest9-21ksoftirqd/020:40:110
2430993428,4cyclictest9-21ksoftirqd/019:53:390
2430993427,4cyclictest9-21ksoftirqd/023:50:000
2430993427,4cyclictest9-21ksoftirqd/022:06:260
2430993427,4cyclictest9-21ksoftirqd/022:06:260
243099342,3cyclictest9-21ksoftirqd/023:38:070
243099341,3cyclictest121rcu_preempt20:54:590
243099340,2cyclictest121rcu_preempt00:06:390
2433993329,3cyclictest41-21ksoftirqd/319:30:043
2433993328,3cyclictest41-21ksoftirqd/322:55:303
2433993328,3cyclictest41-21ksoftirqd/321:37:253
2433993328,3cyclictest41-21ksoftirqd/321:37:243
2433993328,3cyclictest41-21ksoftirqd/321:26:403
2433993328,3cyclictest41-21ksoftirqd/319:40:563
2433993327,4cyclictest41-21ksoftirqd/322:16:323
2433993327,4cyclictest41-21ksoftirqd/321:56:473
2433993327,4cyclictest41-21ksoftirqd/321:30:583
2433993327,4cyclictest41-21ksoftirqd/300:23:013
2433993326,4cyclictest41-21ksoftirqd/300:05:193
2433993314,3cyclictest1947-21timedrift21:20:253
2432993328,3cyclictest33-21ksoftirqd/222:20:522
2432993327,4cyclictest33-21ksoftirqd/223:28:322
2432993327,4cyclictest33-21ksoftirqd/222:53:172
2432993327,4cyclictest33-21ksoftirqd/222:25:462
2432993327,4cyclictest33-21ksoftirqd/221:00:342
2432993327,4cyclictest33-21ksoftirqd/200:25:442
2432993327,3cyclictest33-21ksoftirqd/200:31:042
2432993326,4cyclictest33-21ksoftirqd/220:46:202
2432993326,4cyclictest33-21ksoftirqd/200:16:422
2431993329,2cyclictest25-21ksoftirqd/123:19:561
2431993329,2cyclictest25-21ksoftirqd/100:20:001
2431993327,4cyclictest25-21ksoftirqd/119:23:361
2431993327,3cyclictest25-21ksoftirqd/100:28:271
2431993319,3cyclictest25-21ksoftirqd/123:30:011
2431993319,3cyclictest25-21ksoftirqd/123:05:001
2430993329,3cyclictest9-21ksoftirqd/021:50:010
2430993329,2cyclictest9-21ksoftirqd/023:40:210
2430993329,2cyclictest9-21ksoftirqd/020:55:240
2430993329,2cyclictest9-21ksoftirqd/000:10:180
2430993328,3cyclictest9-21ksoftirqd/022:50:000
2430993328,3cyclictest9-21ksoftirqd/021:15:250
2430993328,3cyclictest9-21ksoftirqd/000:05:010
2433993227,3cyclictest41-21ksoftirqd/321:08:373
2433993227,3cyclictest41-21ksoftirqd/319:15:523
2433993227,3cyclictest18600-21wc20:50:133
2433993226,4cyclictest41-21ksoftirqd/323:47:303
2433993226,4cyclictest41-21ksoftirqd/323:22:473
2433993226,4cyclictest41-21ksoftirqd/300:32:073
2433993226,3cyclictest41-21ksoftirqd/320:40:593
2432993228,3cyclictest33-21ksoftirqd/222:00:002
2432993228,3cyclictest33-21ksoftirqd/219:15:012
2432993227,3cyclictest33-21ksoftirqd/223:56:542
2432993227,3cyclictest33-21ksoftirqd/219:50:282
2432993227,3cyclictest33-21ksoftirqd/200:05:142
2432993226,4cyclictest33-21ksoftirqd/223:45:092
2432993226,4cyclictest33-21ksoftirqd/222:19:082
2432993226,4cyclictest33-21ksoftirqd/222:05:292
2432993226,4cyclictest33-21ksoftirqd/222:05:282
2432993226,4cyclictest33-21ksoftirqd/220:15:072
2432993226,3cyclictest33-21ksoftirqd/220:55:122
2432993226,3cyclictest33-21ksoftirqd/200:00:112
2431993227,3cyclictest25-21ksoftirqd/123:38:251
2430993228,3cyclictest9-21ksoftirqd/021:25:200
2430993226,4cyclictest9-21ksoftirqd/022:29:570
2430993226,3cyclictest9-21ksoftirqd/019:25:000
2433993126,3cyclictest41-21ksoftirqd/323:43:323
2433993126,3cyclictest41-21ksoftirqd/322:26:163
2433993126,3cyclictest41-21ksoftirqd/321:16:583
2433993126,3cyclictest41-21ksoftirqd/320:22:513
2433993126,3cyclictest41-21ksoftirqd/319:54:153
2433993126,3cyclictest41-21ksoftirqd/319:35:103
2432993126,3cyclictest33-21ksoftirqd/219:42:042
2432993125,4cyclictest33-21ksoftirqd/223:31:412
2432993125,4cyclictest33-21ksoftirqd/221:05:422
2431993125,4cyclictest25-21ksoftirqd/121:10:071
2430993128,2cyclictest9-21ksoftirqd/019:44:590
2430993126,3cyclictest9-21ksoftirqd/023:30:010
2430993126,3cyclictest9-21ksoftirqd/021:10:150
2430993126,3cyclictest9-21ksoftirqd/000:25:010
2430993125,4cyclictest9-21ksoftirqd/023:13:380
2433993025,3cyclictest41-21ksoftirqd/323:19:133
2433993025,3cyclictest41-21ksoftirqd/323:12:323
2433993024,4cyclictest41-21ksoftirqd/323:37:113
2432993026,3cyclictest33-21ksoftirqd/220:50:192
2432993025,3cyclictest33-21ksoftirqd/222:39:432
2432993025,3cyclictest33-21ksoftirqd/222:39:432
2432993024,4cyclictest33-21ksoftirqd/223:37:582
2430993025,3cyclictest9-21ksoftirqd/000:00:010
2433992924,3cyclictest41-21ksoftirqd/322:02:173
2433992924,3cyclictest41-21ksoftirqd/321:49:223
2433992923,4cyclictest41-21ksoftirqd/319:28:323
139291290,1ptp4l0-21swapper/322:20:363
2433992823,3cyclictest41-21ksoftirqd/320:11:333
2433992821,4cyclictest41-21ksoftirqd/320:49:543
2430992823,2cyclictest9-21ksoftirqd/019:25:180
2433992722,3cyclictest41-21ksoftirqd/323:26:493
2433992722,3cyclictest41-21ksoftirqd/300:17:063
2433992721,4cyclictest41-21ksoftirqd/321:54:013
2432992723,3cyclictest33-21ksoftirqd/221:30:012
2432992722,3cyclictest33-21ksoftirqd/220:04:212
2432992620,4cyclictest33-21ksoftirqd/221:24:032
2433992419,3cyclictest41-21ksoftirqd/320:30:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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