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2026-09-24 - 19:53
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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 Thu Sep 24, 2026 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591206170,24phc2sys0-21swapper/307:06:203
198892201168,22sleep20-21swapper/207:05:052
198882201168,22sleep10-21swapper/107:05:031
198922200167,22sleep00-21swapper/007:05:060
84721520,5sleep02240499cyclictest07:30:180
22407996616,9cyclictest41-21ksoftirqd/312:05:003
22407996616,9cyclictest41-21ksoftirqd/312:05:003
22405996023,5cyclictest25-21ksoftirqd/112:05:211
22405995918,8cyclictest25-21ksoftirqd/107:50:221
2211225936,15sleep30-21swapper/307:10:003
22407995719,10cyclictest41-21ksoftirqd/307:25:143
22406995724,7cyclictest33-21ksoftirqd/207:25:002
22405995724,4cyclictest25-21ksoftirqd/107:10:141
22405995723,4cyclictest25-21ksoftirqd/109:10:241
22405995722,4cyclictest25-21ksoftirqd/107:35:141
22405995721,4cyclictest25-21ksoftirqd/109:30:141
22405995721,3cyclictest25-21ksoftirqd/112:20:211
22405995721,3cyclictest25-21ksoftirqd/109:55:271
22405995720,6cyclictest25-21ksoftirqd/111:55:151
138491570,1ptp4l401ktimersoftd/309:10:003
22405995623,7cyclictest25-21ksoftirqd/111:40:001
22405995623,6cyclictest25-21ksoftirqd/111:30:201
22405995622,4cyclictest25-21ksoftirqd/112:15:221
22405995621,7cyclictest25-21ksoftirqd/110:15:221
22405995621,4cyclictest25-21ksoftirqd/111:00:261
22405995619,7cyclictest25-21ksoftirqd/110:20:131
22405995618,8cyclictest25-21ksoftirqd/109:15:201
22405995616,7cyclictest25-21ksoftirqd/109:45:171
138491560,1ptp4l401ktimersoftd/309:30:263
2240799554,9cyclictest41-21ksoftirqd/309:10:173
22407995520,10cyclictest41-21ksoftirqd/307:15:123
22407995520,10cyclictest41-21ksoftirqd/307:15:123
22405995529,7cyclictest25-21ksoftirqd/112:00:261
22405995529,7cyclictest25-21ksoftirqd/112:00:261
22405995528,7cyclictest25-21ksoftirqd/112:10:201
22405995526,7cyclictest25-21ksoftirqd/111:55:001
22405995525,7cyclictest25-21ksoftirqd/109:40:281
22405995525,6cyclictest25-21ksoftirqd/109:05:151
22405995523,7cyclictest25-21ksoftirqd/109:50:111
22405995522,7cyclictest25-21ksoftirqd/108:25:141
22405995522,4cyclictest25-21ksoftirqd/110:35:241
22405995520,4cyclictest25-21ksoftirqd/108:45:251
22405995516,8cyclictest25-21ksoftirqd/108:00:141
22405995515,8cyclictest25-21ksoftirqd/111:05:151
22405995514,8cyclictest25-21ksoftirqd/110:25:231
22405995514,7cyclictest25-21ksoftirqd/108:55:211
22407995412,11cyclictest41-21ksoftirqd/311:20:123
22405995426,8cyclictest25-21ksoftirqd/110:41:141
22405995425,6cyclictest25-21ksoftirqd/110:00:131
22405995425,4cyclictest25-21ksoftirqd/111:40:221
22405995423,8cyclictest25-21ksoftirqd/110:09:091
22405995418,8cyclictest25-21ksoftirqd/107:25:141
22405995416,7cyclictest25-21ksoftirqd/109:25:241
22405995415,8cyclictest25-21ksoftirqd/108:20:201
22405995323,7cyclictest25-21ksoftirqd/110:31:031
22405995322,4cyclictest25-21ksoftirqd/112:25:111
22405995319,6cyclictest25-21ksoftirqd/111:15:101
22405995319,4cyclictest25-21ksoftirqd/108:20:011
22405995318,7cyclictest25-21ksoftirqd/112:30:211
22405995318,7cyclictest25-21ksoftirqd/112:30:211
22405995316,7cyclictest25-21ksoftirqd/111:20:211
22405995316,6cyclictest25-21ksoftirqd/109:20:241
22405995315,6cyclictest25-21ksoftirqd/107:40:111
22405995314,8cyclictest25-21ksoftirqd/108:50:211
22405995226,3cyclictest25-21ksoftirqd/110:55:271
22405995224,3cyclictest25-21ksoftirqd/109:00:281
22405995223,8cyclictest25-21ksoftirqd/110:10:311
22405995223,8cyclictest25-21ksoftirqd/108:32:321
22405995223,6cyclictest25-21ksoftirqd/110:53:421
22405995221,3cyclictest25-21ksoftirqd/107:20:141
22405995220,7cyclictest25-21ksoftirqd/108:35:141
22405995220,3cyclictest25-21ksoftirqd/108:10:141
325212510,2sleep20-21swapper/208:35:152
22407995124,9cyclictest41-21ksoftirqd/308:10:003
22407995122,11cyclictest41-21ksoftirqd/311:20:003
22407995114,12cyclictest41-21ksoftirqd/310:55:003
22406995111,11cyclictest33-21ksoftirqd/211:35:132
2240599514,3cyclictest25-21ksoftirqd/107:15:131
2240599514,3cyclictest25-21ksoftirqd/107:15:131
138491510,0ptp4l401ktimersoftd/309:00:163
138491510,0ptp4l401ktimersoftd/308:23:013
22407995019,7cyclictest41-21ksoftirqd/307:40:243
22406995019,3cyclictest33-21ksoftirqd/210:10:192
2240599504,4cyclictest25-21ksoftirqd/111:10:261
2240799498,9cyclictest41-21ksoftirqd/311:40:123
22407994920,4cyclictest41-21ksoftirqd/308:35:263
2240699499,5cyclictest33-21ksoftirqd/209:45:182
2240699497,13cyclictest33-21ksoftirqd/212:00:252
2240699497,13cyclictest33-21ksoftirqd/212:00:252
22406994931,9cyclictest33-21ksoftirqd/210:30:002
22406994922,8cyclictest33-21ksoftirqd/210:40:002
2240599493,3cyclictest25-21ksoftirqd/111:45:141
22405994916,8cyclictest25-21ksoftirqd/107:30:141
22405994915,7cyclictest25-21ksoftirqd/112:35:211
22405994914,3cyclictest25-21ksoftirqd/107:45:111
2240799485,4cyclictest41-21ksoftirqd/309:45:193
2240699486,4cyclictest33-21ksoftirqd/211:10:212
22406994816,10cyclictest33-21ksoftirqd/212:35:002
22406994816,10cyclictest33-21ksoftirqd/212:35:002
2240599483,3cyclictest25-21ksoftirqd/108:40:141
22405994815,7cyclictest25-21ksoftirqd/110:45:141
22405994811,7cyclictest25-21ksoftirqd/109:35:251
2240599475,3cyclictest25-21ksoftirqd/111:25:221
2240799464,3cyclictest41-21ksoftirqd/312:25:223
2240799463,8cyclictest41-21ksoftirqd/307:51:143
2240699461,4cyclictest33-21ksoftirqd/212:35:182
2240599462,2cyclictest25-21ksoftirqd/107:55:151
2240599460,2cyclictest121rcu_preempt08:10:001
22404994614,5cyclictest9-21ksoftirqd/009:55:140
2240699456,10cyclictest33-21ksoftirqd/211:20:172
2240499455,8cyclictest21909-21apt08:15:000
22407994439,3cyclictest4387-21ls08:45:013
2240799442,3cyclictest121rcu_preempt12:05:173
22406994431,10cyclictest33-21ksoftirqd/208:02:452
2240499441,5cyclictest121rcu_preempt11:40:140
138491440,0ptp4l401ktimersoftd/307:22:333
2240799430,8cyclictest41-21ksoftirqd/310:20:173
22406994337,3cyclictest33-21ksoftirqd/212:29:592
2240499434,3cyclictest121rcu_preempt10:25:000
2240799425,9cyclictest41-21ksoftirqd/311:50:163
2240799425,3cyclictest121rcu_preempt11:30:243
2240799424,9cyclictest41-21ksoftirqd/309:15:213
2240799424,2cyclictest121rcu_preempt12:15:153
2240799422,8cyclictest41-21ksoftirqd/308:55:133
22406994237,3cyclictest33-21ksoftirqd/208:24:592
22404994229,5cyclictest9-21ksoftirqd/011:20:140
22404994229,4cyclictest9-21ksoftirqd/011:20:000
2240499422,6cyclictest0-21swapper/008:05:010
22404994225,5cyclictest9-21ksoftirqd/012:25:220
22404994225,4cyclictest9-21ksoftirqd/009:15:180
22404994218,5cyclictest9-21ksoftirqd/012:35:180
2240799411,9cyclictest41-21ksoftirqd/310:25:123
22406994129,9cyclictest33-21ksoftirqd/212:20:112
22406994124,6cyclictest33-21ksoftirqd/210:45:262
2240699411,3cyclictest33-21ksoftirqd/210:55:202
22404994126,5cyclictest9-21ksoftirqd/007:40:120
22404994123,7cyclictest9-21ksoftirqd/012:05:000
22404994123,7cyclictest9-21ksoftirqd/012:04:590
22404994121,9cyclictest9-21ksoftirqd/007:30:000
138491410,1ptp4l401ktimersoftd/307:31:163
2240799404,3cyclictest121rcu_preempt10:40:153
2240799403,3cyclictest121rcu_preempt09:55:003
22407994026,4cyclictest41-21ksoftirqd/311:03:103
2240799400,10cyclictest41-21ksoftirqd/311:10:023
22406994037,2cyclictest33-21ksoftirqd/209:40:002
22406994024,5cyclictest33-21ksoftirqd/207:40:202
22406994022,6cyclictest33-21ksoftirqd/210:05:142
2240499406,8cyclictest9-21ksoftirqd/012:10:010
22404994025,5cyclictest9-21ksoftirqd/008:40:080
22404994024,7cyclictest9-21ksoftirqd/010:55:160
22404994024,5cyclictest9-21ksoftirqd/008:55:280
2240799396,5cyclictest41-21ksoftirqd/312:10:193
2240799393,3cyclictest121rcu_preempt10:30:283
2240799392,3cyclictest121rcu_preempt11:55:103
2240799392,3cyclictest121rcu_preempt09:55:143
2240799391,4cyclictest41-21ksoftirqd/312:23:023
22406993935,2cyclictest33-21ksoftirqd/209:30:132
22406993924,5cyclictest33-21ksoftirqd/209:50:162
2240499394,4cyclictest1866-21latency_hist08:40:010
22404993934,3cyclictest9-21ksoftirqd/008:00:000
2240799385,3cyclictest121rcu_preempt08:10:143
2240799384,3cyclictest121rcu_preempt10:45:573
2240799383,3cyclictest121rcu_preempt08:30:243
22407993833,3cyclictest41-21ksoftirqd/311:10:533
2240799382,6cyclictest121rcu_preempt08:00:263
22406993833,3cyclictest33-21ksoftirqd/211:40:132
22406993831,5cyclictest33-21ksoftirqd/209:57:592
22406993824,5cyclictest33-21ksoftirqd/211:55:182
22406993822,7cyclictest33-21ksoftirqd/212:10:242
2240699381,8cyclictest121rcu_preempt09:05:162
22404993833,3cyclictest9-21ksoftirqd/011:40:000
22404993833,3cyclictest9-21ksoftirqd/009:55:000
22404993826,4cyclictest9-21ksoftirqd/007:51:140
2240799376,3cyclictest121rcu_preempt09:44:003
2240799375,3cyclictest121rcu_preempt07:35:203
2240799374,3cyclictest121rcu_preempt10:05:203
22407993734,2cyclictest41-21ksoftirqd/312:40:003
2240799373,3cyclictest121rcu_preempt09:35:223
22407993733,3cyclictest41-21ksoftirqd/311:40:003
22407993733,2cyclictest41-21ksoftirqd/308:45:113
22407993733,2cyclictest41-21ksoftirqd/308:15:223
2240799371,9cyclictest41-21ksoftirqd/311:25:203
2240799370,3cyclictest121rcu_preempt12:30:163
2240799370,3cyclictest121rcu_preempt12:30:163
2240799370,2cyclictest121rcu_preempt08:50:133
22406993733,2cyclictest33-21ksoftirqd/209:25:272
22406993733,2cyclictest33-21ksoftirqd/209:05:012
22406993732,3cyclictest33-21ksoftirqd/211:15:102
22406993732,3cyclictest33-21ksoftirqd/211:00:182
22406993732,2cyclictest33-21ksoftirqd/209:10:162
22406993731,4cyclictest33-21ksoftirqd/210:22:522
22406993728,3cyclictest33-21ksoftirqd/208:50:132
22406993723,4cyclictest33-21ksoftirqd/209:20:152
22406993723,4cyclictest33-21ksoftirqd/207:45:142
22406993722,6cyclictest33-21ksoftirqd/209:00:012
22406993721,5cyclictest33-21ksoftirqd/209:15:012
2240699370,2cyclictest121rcu_preempt08:45:002
22404993732,3cyclictest9-21ksoftirqd/009:24:590
22404993731,4cyclictest9-21ksoftirqd/011:08:060
2240499373,10cyclictest9-21ksoftirqd/007:20:010
2240499373,10cyclictest9-21ksoftirqd/007:20:010
22404993722,5cyclictest9-21ksoftirqd/009:50:010
22404993721,6cyclictest9-21ksoftirqd/010:20:010
2240499370,4cyclictest13970-21grep09:00:290
2240799365,7cyclictest121rcu_preempt10:35:173
2240799363,3cyclictest121rcu_preempt10:15:263
22407993631,3cyclictest41-21ksoftirqd/311:45:113
22407993628,5cyclictest41-21ksoftirqd/309:25:003
22407993623,4cyclictest41-21ksoftirqd/309:25:223
22406993631,3cyclictest33-21ksoftirqd/211:45:112
22406993631,3cyclictest33-21ksoftirqd/211:30:172
22406993631,3cyclictest33-21ksoftirqd/208:05:112
22406993631,3cyclictest33-21ksoftirqd/207:30:252
22406993630,4cyclictest33-21ksoftirqd/210:19:302
22406993630,3cyclictest33-21ksoftirqd/211:05:142
22406993630,3cyclictest33-21ksoftirqd/210:30:162
22406993624,5cyclictest33-21ksoftirqd/210:40:192
22406993622,4cyclictest33-21ksoftirqd/208:45:212
22406993620,7cyclictest33-21ksoftirqd/212:15:232
22406993620,6cyclictest33-21ksoftirqd/207:55:132
22406993620,5cyclictest33-21ksoftirqd/209:40:122
22404993631,3cyclictest9-21ksoftirqd/012:20:110
22404993631,3cyclictest9-21ksoftirqd/012:10:230
22404993630,3cyclictest9-21ksoftirqd/011:01:560
22404993630,3cyclictest9-21ksoftirqd/009:15:000
22404993623,5cyclictest9-21ksoftirqd/007:20:210
22404993621,4cyclictest9-21ksoftirqd/009:05:200
22404993620,5cyclictest9-21ksoftirqd/012:30:220
22404993620,5cyclictest9-21ksoftirqd/012:30:220
22407993530,3cyclictest41-21ksoftirqd/310:00:213
2240799351,5cyclictest41-21ksoftirqd/307:55:173
22406993531,3cyclictest33-21ksoftirqd/207:40:002
22406993531,2cyclictest33-21ksoftirqd/210:50:242
22406993530,3cyclictest33-21ksoftirqd/208:30:012
22406993530,3cyclictest33-21ksoftirqd/208:14:552
22406993529,4cyclictest33-21ksoftirqd/211:26:052
22406993529,4cyclictest33-21ksoftirqd/207:15:012
22406993529,3cyclictest33-21ksoftirqd/211:55:002
22406993520,7cyclictest33-21ksoftirqd/210:00:002
22406993520,6cyclictest33-21ksoftirqd/207:50:162
2240499357,3cyclictest9-21ksoftirqd/009:40:240
22404993531,3cyclictest9-21ksoftirqd/009:35:180
22404993531,2cyclictest9-21ksoftirqd/008:50:000
22404993530,3cyclictest9-21ksoftirqd/009:30:110
22404993530,3cyclictest9-21ksoftirqd/008:15:180
22404993529,4cyclictest9-21ksoftirqd/010:11:090
22404993529,4cyclictest9-21ksoftirqd/007:35:080
2240499352,3cyclictest8061-21cut08:50:170
22404993522,5cyclictest9-21ksoftirqd/011:50:160
22404993521,4cyclictest9-21ksoftirqd/010:00:260
22404993520,5cyclictest9-21ksoftirqd/010:50:320
22404993520,5cyclictest9-21ksoftirqd/010:40:180
22404993520,4cyclictest9-21ksoftirqd/011:30:280
22404993519,5cyclictest9-21ksoftirqd/007:10:160
22404993513,5cyclictest9-21ksoftirqd/011:45:270
2240799343,3cyclictest121rcu_preempt10:55:253
2240799343,3cyclictest121rcu_preempt08:25:123
22407993428,3cyclictest41-21ksoftirqd/310:10:283
22406993431,2cyclictest33-21ksoftirqd/207:15:142
22406993431,2cyclictest33-21ksoftirqd/207:15:142
22406993429,3cyclictest33-21ksoftirqd/208:30:122
22406993420,6cyclictest33-21ksoftirqd/207:27:372
22404993430,2cyclictest9-21ksoftirqd/011:25:130
22404993429,3cyclictest9-21ksoftirqd/010:49:520
22404993429,3cyclictest9-21ksoftirqd/010:30:220
22404993420,4cyclictest9-21ksoftirqd/010:05:190
2240499341,2cyclictest121rcu_preempt10:25:210
22407993315,8cyclictest41-21ksoftirqd/307:45:223
22406993328,3cyclictest33-21ksoftirqd/208:15:152
22404993326,4cyclictest9-21ksoftirqd/009:25:050
22404993320,4cyclictest9-21ksoftirqd/007:49:590
22404993319,4cyclictest9-21ksoftirqd/011:55:170
22404993318,4cyclictest9-21ksoftirqd/012:15:150
22404993315,4cyclictest9-21ksoftirqd/008:25:180
22406993228,3cyclictest33-21ksoftirqd/212:10:012
2240499327,2cyclictest121rcu_preempt08:24:590
22404993226,4cyclictest9-21ksoftirqd/010:35:320
22404993226,4cyclictest9-21ksoftirqd/008:35:010
2240499322,2cyclictest121rcu_preempt08:05:170
22404993024,4cyclictest9-21ksoftirqd/011:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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