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2026-04-26 - 06:19
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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 Sun Apr 26, 2026 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591206159,36phc2sys0-21swapper/319:05:583
93932203171,21sleep10-21swapper/119:08:011
93012203169,22sleep00-21swapper/019:06:570
93032199167,21sleep20-21swapper/219:06:582
138591160122,14phc2sys0-21swapper/319:10:023
138591160122,14phc2sys0-21swapper/319:10:013
2627421540,6sleep1984099cyclictest21:50:281
538821480,3sleep2984199cyclictest20:05:182
9842996430,6cyclictest41-21ksoftirqd/319:20:003
9842996231,5cyclictest41-21ksoftirqd/300:20:003
9842996229,3cyclictest41-21ksoftirqd/320:45:133
9842996131,3cyclictest41-21ksoftirqd/322:20:173
9841996126,14cyclictest33-21ksoftirqd/221:55:262
9842996029,4cyclictest41-21ksoftirqd/321:25:223
9842996029,4cyclictest41-21ksoftirqd/321:25:223
9841996024,8cyclictest33-21ksoftirqd/222:10:272
9841995928,6cyclictest33-21ksoftirqd/221:00:142
9841995927,9cyclictest33-21ksoftirqd/223:45:002
9841995925,7cyclictest33-21ksoftirqd/222:45:212
9842995826,4cyclictest41-21ksoftirqd/300:20:273
9842995824,4cyclictest41-21ksoftirqd/322:40:193
9839995820,8cyclictest9-21ksoftirqd/022:05:200
9842995624,4cyclictest41-21ksoftirqd/319:30:263
9841995628,3cyclictest33-21ksoftirqd/200:10:252
9841995627,3cyclictest33-21ksoftirqd/222:40:212
9841995625,6cyclictest33-21ksoftirqd/219:35:002
9839995617,5cyclictest9-21ksoftirqd/021:35:180
9842995525,3cyclictest41-21ksoftirqd/319:57:353
9842995513,4cyclictest41-21ksoftirqd/322:35:133
9842995425,4cyclictest41-21ksoftirqd/320:55:013
9842995414,8cyclictest41-21ksoftirqd/320:35:013
9842995412,5cyclictest41-21ksoftirqd/319:50:143
9841995426,3cyclictest33-21ksoftirqd/223:10:182
9841995421,7cyclictest33-21ksoftirqd/221:05:162
9839995422,7cyclictest9-21ksoftirqd/020:40:170
9839995411,7cyclictest9-21ksoftirqd/023:05:200
9842995324,8cyclictest41-21ksoftirqd/300:05:183
9842995323,4cyclictest41-21ksoftirqd/300:35:303
9842995316,10cyclictest41-21ksoftirqd/322:15:123
9841995332,9cyclictest33-21ksoftirqd/220:25:002
9841995324,8cyclictest33-21ksoftirqd/223:00:012
9841995323,3cyclictest33-21ksoftirqd/200:10:012
9841995319,8cyclictest33-21ksoftirqd/220:25:152
9841995319,8cyclictest33-21ksoftirqd/220:25:152
9839995320,10cyclictest9-21ksoftirqd/020:25:180
9839995320,10cyclictest9-21ksoftirqd/020:25:180
135191530,1getstats0-21swapper/321:35:543
9842995232,3cyclictest41-21ksoftirqd/322:05:003
9842995225,4cyclictest41-21ksoftirqd/323:45:183
9842995225,3cyclictest41-21ksoftirqd/322:30:243
9842995223,3cyclictest41-21ksoftirqd/321:22:073
9842995222,4cyclictest41-21ksoftirqd/322:13:133
9842995222,4cyclictest41-21ksoftirqd/321:40:223
9842995220,3cyclictest41-21ksoftirqd/323:05:273
9841995224,5cyclictest33-21ksoftirqd/220:45:142
9841995223,8cyclictest33-21ksoftirqd/223:20:262
9841995222,3cyclictest33-21ksoftirqd/221:30:292
9842995123,4cyclictest41-21ksoftirqd/322:55:183
9841995121,7cyclictest33-21ksoftirqd/223:50:212
9841995121,3cyclictest33-21ksoftirqd/220:00:152
9842995016,3cyclictest121rcu_preempt21:05:233
9841995023,3cyclictest33-21ksoftirqd/219:15:192
9841995016,7cyclictest33-21ksoftirqd/219:35:272
9841995015,3cyclictest33-21ksoftirqd/222:05:282
9839995016,6cyclictest9-21ksoftirqd/021:05:130
9842994922,3cyclictest41-21ksoftirqd/320:55:193
9842994920,4cyclictest41-21ksoftirqd/319:35:203
9841994920,3cyclictest33-21ksoftirqd/222:20:202
9841994918,8cyclictest33-21ksoftirqd/223:05:152
9841994918,4cyclictest33-21ksoftirqd/221:35:152
9839994920,8cyclictest9-21ksoftirqd/020:25:010
9842994843,3cyclictest26375-21idleruntime-cro00:05:013
9842994821,4cyclictest41-21ksoftirqd/321:45:143
984199486,4cyclictest33-21ksoftirqd/200:20:292
9841994825,13cyclictest33-21ksoftirqd/223:35:132
9841994819,4cyclictest33-21ksoftirqd/219:10:122
9841994819,4cyclictest33-21ksoftirqd/219:10:122
9841994818,3cyclictest33-21ksoftirqd/221:15:222
9841994815,3cyclictest33-21ksoftirqd/222:30:142
9841994815,3cyclictest33-21ksoftirqd/200:25:212
9841994814,7cyclictest33-21ksoftirqd/223:15:132
9839994820,4cyclictest9-21ksoftirqd/020:00:240
984299475,9cyclictest41-21ksoftirqd/320:35:183
9842994713,9cyclictest41-21ksoftirqd/321:50:193
984299470,2cyclictest121rcu_preempt22:45:233
9841994731,4cyclictest33-21ksoftirqd/219:20:212
9841994719,3cyclictest33-21ksoftirqd/222:20:002
9841994715,3cyclictest33-21ksoftirqd/222:00:262
9839994717,6cyclictest9-21ksoftirqd/022:35:010
293862470,2sleep30-21swapper/322:00:013
9842994621,3cyclictest41-21ksoftirqd/320:05:163
9842994610,11cyclictest41-21ksoftirqd/300:10:183
9841994620,3cyclictest33-21ksoftirqd/220:30:142
9841994617,4cyclictest33-21ksoftirqd/220:15:172
9841994616,9cyclictest33-21ksoftirqd/223:45:172
9841994614,4cyclictest33-21ksoftirqd/219:40:192
9839994625,9cyclictest9-21ksoftirqd/023:25:180
9839994616,3cyclictest9-21ksoftirqd/021:35:010
9839994615,8cyclictest9-21ksoftirqd/022:15:130
135191460,6getstats984299cyclictest21:15:543
984299454,9cyclictest41-21ksoftirqd/323:55:183
9842994513,3cyclictest121rcu_preempt00:25:013
9841994520,6cyclictest33-21ksoftirqd/200:35:142
9841994515,6cyclictest33-21ksoftirqd/220:40:242
9841994514,4cyclictest33-21ksoftirqd/219:25:192
9839994512,6cyclictest9-21ksoftirqd/000:25:110
9842994434,7cyclictest41-21ksoftirqd/321:15:003
9842994428,4cyclictest41-21ksoftirqd/323:25:223
984299442,3cyclictest121rcu_preempt23:15:233
984299442,2cyclictest41-21ksoftirqd/323:20:173
984299440,3cyclictest121rcu_preempt00:35:013
9841994428,6cyclictest33-21ksoftirqd/223:25:222
9841994414,4cyclictest33-21ksoftirqd/222:35:232
984199441,3cyclictest121rcu_preempt20:00:002
983999445,3cyclictest9-21ksoftirqd/021:40:260
9839994429,7cyclictest9-21ksoftirqd/019:12:580
9839994429,7cyclictest9-21ksoftirqd/019:12:580
9839994428,7cyclictest9-21ksoftirqd/023:15:590
9839994426,8cyclictest9-21ksoftirqd/021:47:350
984299431,2cyclictest41-21ksoftirqd/320:20:163
9842994312,4cyclictest41-21ksoftirqd/319:40:133
984199439,4cyclictest33-21ksoftirqd/200:00:282
9841994332,3cyclictest33-21ksoftirqd/200:35:012
984199431,3cyclictest121rcu_preempt21:10:142
9841994313,4cyclictest33-21ksoftirqd/221:45:182
9841994312,8cyclictest33-21ksoftirqd/221:20:162
9841994310,3cyclictest121rcu_preempt23:30:242
984199430,3cyclictest121rcu_preempt22:25:252
983999436,3cyclictest9-21ksoftirqd/023:40:180
983999436,3cyclictest9-21ksoftirqd/022:40:150
983999436,2cyclictest9-21ksoftirqd/023:35:220
9839994337,2cyclictest9-21ksoftirqd/022:00:000
9839994326,8cyclictest9-21ksoftirqd/023:50:000
9839994314,3cyclictest9-21ksoftirqd/019:25:170
9839994313,4cyclictest9-21ksoftirqd/023:55:140
984299425,4cyclictest41-21ksoftirqd/322:25:433
984299424,2cyclictest121rcu_preempt20:10:243
984299422,5cyclictest41-21ksoftirqd/319:45:243
984299421,3cyclictest121rcu_preempt23:35:123
984299420,2cyclictest121rcu_preempt19:20:213
9841994229,6cyclictest33-21ksoftirqd/220:10:242
983999426,4cyclictest9-21ksoftirqd/022:10:130
983999426,3cyclictest9-21ksoftirqd/020:35:230
983999426,3cyclictest9-21ksoftirqd/019:55:150
9839994227,4cyclictest9-21ksoftirqd/000:05:200
9839994214,6cyclictest9-21ksoftirqd/020:15:000
138491420,0ptp4l401ktimersoftd/323:44:193
9842994126,6cyclictest41-21ksoftirqd/322:05:073
9841994126,6cyclictest33-21ksoftirqd/220:40:022
9841994125,8cyclictest33-21ksoftirqd/220:55:012
984199411,2cyclictest121rcu_preempt21:25:142
984199411,2cyclictest121rcu_preempt21:25:142
9841994111,4cyclictest33-21ksoftirqd/223:00:152
983999419,4cyclictest9-21ksoftirqd/023:20:130
983999419,4cyclictest9-21ksoftirqd/019:35:170
983999416,3cyclictest9-21ksoftirqd/022:20:230
983999416,3cyclictest9-21ksoftirqd/000:30:170
983999415,4cyclictest9-21ksoftirqd/021:16:220
983999415,2cyclictest121rcu_preempt22:35:200
9839994128,6cyclictest9-21ksoftirqd/000:00:260
983999412,5cyclictest9-21ksoftirqd/020:30:130
9839994117,7cyclictest9-21ksoftirqd/019:50:130
9839994115,4cyclictest9-21ksoftirqd/021:00:220
9839994111,4cyclictest9-21ksoftirqd/023:50:240
9839994111,4cyclictest9-21ksoftirqd/022:05:010
984299405,3cyclictest121rcu_preempt20:00:163
9842994036,2cyclictest41-21ksoftirqd/323:35:003
9842994034,3cyclictest41-21ksoftirqd/320:15:133
984299402,3cyclictest121rcu_preempt20:25:183
984299402,3cyclictest121rcu_preempt20:25:183
9842994023,4cyclictest41-21ksoftirqd/320:40:123
984199407,4cyclictest33-21ksoftirqd/200:15:232
9841994026,5cyclictest33-21ksoftirqd/222:50:132
9841994012,4cyclictest33-21ksoftirqd/219:50:152
983999405,2cyclictest121rcu_preempt00:20:170
9839994028,4cyclictest9-21ksoftirqd/023:30:150
9839994023,7cyclictest9-21ksoftirqd/020:50:210
983999401,6cyclictest9-21ksoftirqd/020:45:250
984299394,3cyclictest41-21ksoftirqd/321:00:143
9842993934,2cyclictest41-21ksoftirqd/322:55:003
9842993933,3cyclictest41-21ksoftirqd/321:35:013
984299393,2cyclictest121rcu_preempt23:50:223
9842993923,4cyclictest41-21ksoftirqd/323:10:253
984199391,5cyclictest121rcu_preempt21:50:142
9840993934,3cyclictest25-21ksoftirqd/100:25:001
983999398,7cyclictest9-21ksoftirqd/019:20:130
983999394,2cyclictest121rcu_preempt22:55:280
983999393,5cyclictest9-21ksoftirqd/021:25:220
983999393,5cyclictest9-21ksoftirqd/021:25:220
983999393,4cyclictest9-21ksoftirqd/019:18:560
9839993925,5cyclictest9-21ksoftirqd/019:32:110
9839993924,4cyclictest9-21ksoftirqd/021:00:000
9842993825,4cyclictest41-21ksoftirqd/319:25:243
9841993833,3cyclictest33-21ksoftirqd/220:50:272
983999385,11cyclictest9-21ksoftirqd/023:11:520
983999384,3cyclictest121rcu_preempt21:20:200
983999384,2cyclictest121rcu_preempt00:35:240
983999384,2cyclictest121rcu_preempt00:10:170
983999382,5cyclictest9-21ksoftirqd/022:50:210
9839993819,8cyclictest9-21ksoftirqd/023:00:180
9842993732,2cyclictest41-21ksoftirqd/323:00:233
984199376,3cyclictest33-21ksoftirqd/221:40:162
9841993733,2cyclictest33-21ksoftirqd/219:45:242
9841993731,3cyclictest33-21ksoftirqd/223:55:232
9840993731,4cyclictest25-21ksoftirqd/122:17:241
983999373,2cyclictest121rcu_preempt21:10:250
983999373,2cyclictest121rcu_preempt19:45:220
9839993724,6cyclictest9-21ksoftirqd/022:25:190
9839993714,4cyclictest9-21ksoftirqd/019:40:180
9840993630,4cyclictest25-21ksoftirqd/121:44:141
9840993630,4cyclictest25-21ksoftirqd/121:35:521
9840993630,4cyclictest25-21ksoftirqd/121:01:131
9840993630,4cyclictest25-21ksoftirqd/100:18:341
983999369,3cyclictest9-21ksoftirqd/021:52:100
983999361,3cyclictest121rcu_preempt00:15:130
9840993531,3cyclictest25-21ksoftirqd/120:17:181
9840993530,3cyclictest4586-21sh21:10:011
9840993530,3cyclictest25-21ksoftirqd/123:30:191
9840993530,3cyclictest25-21ksoftirqd/100:00:001
9840993529,4cyclictest25-21ksoftirqd/123:00:471
9840993529,4cyclictest25-21ksoftirqd/122:07:131
9840993529,4cyclictest25-21ksoftirqd/121:30:421
9840993529,4cyclictest25-21ksoftirqd/119:15:081
9840993529,4cyclictest25-21ksoftirqd/100:34:001
9840993529,4cyclictest25-21ksoftirqd/100:07:281
983999355,2cyclictest121rcu_preempt22:45:160
9839993531,2cyclictest9-21ksoftirqd/020:05:140
9839993520,6cyclictest9-21ksoftirqd/020:19:050
9840993429,3cyclictest25-21ksoftirqd/123:05:261
9840993428,4cyclictest25-21ksoftirqd/123:54:001
9840993428,4cyclictest25-21ksoftirqd/123:41:191
9840993428,4cyclictest25-21ksoftirqd/122:25:461
9840993428,4cyclictest25-21ksoftirqd/121:11:081
9840993428,4cyclictest25-21ksoftirqd/120:33:091
9840993424,5cyclictest25-21ksoftirqd/121:25:121
9840993424,5cyclictest25-21ksoftirqd/121:25:121
984099341,31cyclictest9124-21cron23:29:591
9840993328,3cyclictest25-21ksoftirqd/122:20:121
9840993328,3cyclictest25-21ksoftirqd/119:43:311
9840993327,4cyclictest25-21ksoftirqd/123:22:101
9840993327,4cyclictest25-21ksoftirqd/122:57:071
9840993327,4cyclictest25-21ksoftirqd/122:40:381
9840993327,4cyclictest25-21ksoftirqd/121:59:591
9840993327,4cyclictest25-21ksoftirqd/100:38:321
9840993227,3cyclictest25-21ksoftirqd/100:14:591
9840993226,4cyclictest25-21ksoftirqd/122:00:071
9840993226,4cyclictest25-21ksoftirqd/121:18:261
9840993226,4cyclictest25-21ksoftirqd/120:56:401
9840993226,4cyclictest25-21ksoftirqd/119:12:271
9840993226,4cyclictest25-21ksoftirqd/119:12:261
984099320,30cyclictest0-21swapper/119:57:131
9840993127,3cyclictest25-21ksoftirqd/120:07:181
9840993126,3cyclictest25-21ksoftirqd/123:10:171
9840993126,3cyclictest25-21ksoftirqd/122:10:111
9840993126,3cyclictest25-21ksoftirqd/120:54:141
9840993125,4cyclictest25-21ksoftirqd/121:49:471
9840993025,3cyclictest25-21ksoftirqd/119:27:221
9840993024,4cyclictest25-21ksoftirqd/121:24:161
9840993024,4cyclictest25-21ksoftirqd/120:36:581
9840993024,4cyclictest25-21ksoftirqd/119:51:371
9840992924,3cyclictest25-21ksoftirqd/122:51:211
9840992924,3cyclictest25-21ksoftirqd/120:47:491
9840992924,3cyclictest25-21ksoftirqd/120:14:521
9840992924,3cyclictest25-21ksoftirqd/119:31:461
9840992923,4cyclictest25-21ksoftirqd/122:50:001
9840992923,4cyclictest25-21ksoftirqd/120:43:561
9840992910,18cyclictest0-21swapper/122:31:431
984099290,1cyclictest0-21swapper/119:37:131
9840992823,3cyclictest25-21ksoftirqd/123:49:251
9840992823,3cyclictest25-21ksoftirqd/119:46:161
9840992822,4cyclictest25-21ksoftirqd/100:26:291
9840992722,3cyclictest25-21ksoftirqd/123:36:091
9840992722,3cyclictest25-21ksoftirqd/120:22:091
9840992722,3cyclictest25-21ksoftirqd/100:00:121
9840992721,4cyclictest25-21ksoftirqd/123:17:481
9840992621,3cyclictest25-21ksoftirqd/122:35:451
9840992520,3cyclictest25-21ksoftirqd/120:00:341
9840992116,3cyclictest25-21ksoftirqd/120:26:551
9840992116,3cyclictest25-21ksoftirqd/120:26:541
9840992015,3cyclictest25-21ksoftirqd/119:23:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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