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2026-04-06 - 16:11
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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 Mon Apr 06, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145772234168,21sleep20-21swapper/207:06:582
139491232169,51phc2sys0-21swapper/307:07:033
147402204170,23sleep00-21swapper/007:09:040
144992202170,21sleep10-21swapper/107:05:561
139391800,1ptp4l5870-21cpuspeed_turbos09:05:133
93212670,2sleep20-21swapper/212:35:002
15114996625,4cyclictest33-21ksoftirqd/208:55:142
15113996519,4cyclictest25-21ksoftirqd/109:20:191
15114996322,4cyclictest33-21ksoftirqd/208:45:192
15113996217,5cyclictest25-21ksoftirqd/110:25:141
15114996115,4cyclictest33-21ksoftirqd/207:15:232
15114996115,4cyclictest33-21ksoftirqd/207:15:232
15114996114,4cyclictest33-21ksoftirqd/207:15:002
15114996012,9cyclictest33-21ksoftirqd/211:15:002
15114995924,9cyclictest33-21ksoftirqd/210:25:272
15114995924,11cyclictest33-21ksoftirqd/211:30:012
15114995923,4cyclictest33-21ksoftirqd/207:20:242
15114995914,4cyclictest33-21ksoftirqd/209:00:262
15113995930,7cyclictest25-21ksoftirqd/109:35:131
15113995930,2cyclictest25-21ksoftirqd/108:35:121
15113995923,7cyclictest25-21ksoftirqd/107:50:001
15115995825,4cyclictest41-21ksoftirqd/312:35:163
15114995827,5cyclictest33-21ksoftirqd/212:05:012
15114995826,9cyclictest33-21ksoftirqd/209:30:262
15114995819,8cyclictest33-21ksoftirqd/210:10:132
15114995816,5cyclictest33-21ksoftirqd/209:35:132
15114995814,5cyclictest33-21ksoftirqd/208:40:242
15114995814,5cyclictest33-21ksoftirqd/208:40:232
15113995814,8cyclictest25-21ksoftirqd/107:20:001
15113995814,8cyclictest25-21ksoftirqd/107:20:001
15114995722,3cyclictest33-21ksoftirqd/211:00:002
15114995720,6cyclictest33-21ksoftirqd/207:25:222
15114995719,7cyclictest33-21ksoftirqd/210:40:182
15114995719,4cyclictest33-21ksoftirqd/210:50:272
15114995717,9cyclictest33-21ksoftirqd/210:15:392
15114995714,8cyclictest33-21ksoftirqd/209:05:222
15114995714,4cyclictest33-21ksoftirqd/207:55:152
15114995712,4cyclictest33-21ksoftirqd/209:25:232
15114995711,8cyclictest33-21ksoftirqd/207:40:282
15114995618,7cyclictest33-21ksoftirqd/209:45:262
15114995617,5cyclictest33-21ksoftirqd/212:15:182
15114995614,4cyclictest33-21ksoftirqd/211:20:232
15114995611,5cyclictest33-21ksoftirqd/210:05:222
15113995628,4cyclictest25-21ksoftirqd/110:55:001
15113995627,4cyclictest25-21ksoftirqd/112:35:011
15113995627,4cyclictest25-21ksoftirqd/110:05:191
15113995619,4cyclictest25-21ksoftirqd/107:40:251
139391560,1ptp4l401ktimersoftd/312:17:483
139391560,1ptp4l401ktimersoftd/310:15:143
15114995525,8cyclictest33-21ksoftirqd/212:35:242
15114995517,6cyclictest33-21ksoftirqd/207:37:332
15114995515,7cyclictest33-21ksoftirqd/208:06:572
15114995514,4cyclictest33-21ksoftirqd/212:05:142
15113995526,8cyclictest25-21ksoftirqd/111:50:001
15113995525,6cyclictest25-21ksoftirqd/111:15:011
15113995522,7cyclictest25-21ksoftirqd/107:55:151
15113995521,4cyclictest25-21ksoftirqd/111:40:001
15113995520,5cyclictest25-21ksoftirqd/109:55:001
139391550,1ptp4l401ktimersoftd/308:25:163
1511499548,3cyclictest33-21ksoftirqd/211:35:132
15114995423,4cyclictest33-21ksoftirqd/208:20:142
15114995418,5cyclictest33-21ksoftirqd/211:17:272
15114995417,9cyclictest33-21ksoftirqd/207:30:262
15113995422,4cyclictest25-21ksoftirqd/112:35:241
15113995421,4cyclictest25-21ksoftirqd/110:15:011
15113995418,4cyclictest25-21ksoftirqd/111:55:181
15113995417,7cyclictest25-21ksoftirqd/111:50:201
15115995320,3cyclictest41-21ksoftirqd/310:35:183
1511499539,4cyclictest33-21ksoftirqd/208:15:182
15114995311,4cyclictest33-21ksoftirqd/210:20:152
15114995310,4cyclictest33-21ksoftirqd/211:30:122
15113995324,6cyclictest25-21ksoftirqd/110:40:241
15113995324,4cyclictest25-21ksoftirqd/110:20:251
15113995321,8cyclictest25-21ksoftirqd/108:10:011
15114995220,8cyclictest33-21ksoftirqd/210:00:182
15114995219,9cyclictest33-21ksoftirqd/212:10:152
15114995217,6cyclictest33-21ksoftirqd/209:20:222
15113995224,9cyclictest25-21ksoftirqd/111:40:241
15113995224,9cyclictest25-21ksoftirqd/111:40:241
15113995220,8cyclictest25-21ksoftirqd/111:30:111
15113995219,8cyclictest25-21ksoftirqd/107:35:261
15113995219,7cyclictest25-21ksoftirqd/109:55:221
15113995216,8cyclictest25-21ksoftirqd/112:30:001
1511499515,3cyclictest33-21ksoftirqd/208:25:162
15114995113,5cyclictest33-21ksoftirqd/209:50:242
15114995112,10cyclictest33-21ksoftirqd/210:50:012
15113995122,4cyclictest25-21ksoftirqd/107:25:251
15113995121,7cyclictest25-21ksoftirqd/110:20:011
15113995120,6cyclictest25-21ksoftirqd/111:00:191
15113995119,7cyclictest25-21ksoftirqd/109:25:271
15113995119,4cyclictest25-21ksoftirqd/108:55:011
15113995118,8cyclictest25-21ksoftirqd/110:45:191
15113995118,3cyclictest25-21ksoftirqd/110:04:591
15113995117,7cyclictest25-21ksoftirqd/111:05:261
15113995116,8cyclictest25-21ksoftirqd/109:45:001
15113995115,8cyclictest25-21ksoftirqd/110:30:151
139391510,1ptp4l401ktimersoftd/309:15:023
139391510,0ptp4l401ktimersoftd/311:42:163
139391510,0ptp4l401ktimersoftd/311:42:163
15115995016,7cyclictest41-21ksoftirqd/311:10:243
15115995013,9cyclictest41-21ksoftirqd/307:10:213
1511499507,3cyclictest33-21ksoftirqd/211:50:202
1511499507,3cyclictest33-21ksoftirqd/208:35:142
1511499502,6cyclictest33-21ksoftirqd/209:55:232
15113995021,8cyclictest25-21ksoftirqd/111:15:211
15113995021,6cyclictest25-21ksoftirqd/109:30:141
15113995020,4cyclictest25-21ksoftirqd/108:00:211
15113995019,6cyclictest25-21ksoftirqd/107:25:011
15113995018,3cyclictest25-21ksoftirqd/108:40:161
15113995018,3cyclictest25-21ksoftirqd/108:40:161
15113995016,8cyclictest25-21ksoftirqd/112:05:231
15113995016,8cyclictest25-21ksoftirqd/111:25:231
15113995014,9cyclictest25-21ksoftirqd/112:10:151
139391500,1ptp4l401ktimersoftd/307:45:193
38682490,2sleep30-21swapper/311:15:193
15115994913,7cyclictest41-21ksoftirqd/309:20:193
1511499498,4cyclictest33-21ksoftirqd/209:15:122
1511499497,8cyclictest33-21ksoftirqd/208:50:132
15114994930,9cyclictest33-21ksoftirqd/212:00:002
15114994915,7cyclictest33-21ksoftirqd/210:35:142
15114994910,9cyclictest33-21ksoftirqd/212:20:142
1511499490,9cyclictest24587-21grep09:45:012
1511499490,9cyclictest24587-21grep09:45:012
15113994916,9cyclictest25-21ksoftirqd/108:45:141
15113994915,8cyclictest25-21ksoftirqd/108:10:171
15113994913,8cyclictest25-21ksoftirqd/108:59:591
15113994910,7cyclictest25-21ksoftirqd/112:00:211
150912490,1sleep30-21swapper/308:15:213
299862480,1sleep00-21swapper/007:40:170
15115994819,3cyclictest41-21ksoftirqd/312:10:003
15115994818,4cyclictest41-21ksoftirqd/310:00:143
15115994816,6cyclictest41-21ksoftirqd/310:45:263
15115994816,6cyclictest41-21ksoftirqd/307:30:123
15115994814,4cyclictest41-21ksoftirqd/308:50:173
15115994812,7cyclictest41-21ksoftirqd/307:20:183
1511499488,4cyclictest33-21ksoftirqd/211:43:182
1511499488,4cyclictest33-21ksoftirqd/211:43:172
1511499485,2cyclictest33-21ksoftirqd/208:00:262
15113994816,9cyclictest25-21ksoftirqd/107:10:241
15113994816,4cyclictest25-21ksoftirqd/112:15:201
15113994816,3cyclictest25-21ksoftirqd/109:40:201
15113994816,3cyclictest25-21ksoftirqd/109:40:191
15113994814,4cyclictest25-21ksoftirqd/112:20:141
15113994812,7cyclictest25-21ksoftirqd/111:20:131
15113994812,7cyclictest25-21ksoftirqd/108:30:001
15115994720,4cyclictest41-21ksoftirqd/310:05:273
15115994713,4cyclictest41-21ksoftirqd/309:50:203
1511499477,10cyclictest33-21ksoftirqd/208:15:012
1511499476,5cyclictest33-21ksoftirqd/211:45:242
15113994720,7cyclictest25-21ksoftirqd/109:15:151
15113994715,7cyclictest25-21ksoftirqd/107:50:271
15113994715,3cyclictest25-21ksoftirqd/109:10:141
15113994715,3cyclictest25-21ksoftirqd/109:10:131
15113994713,3cyclictest25-21ksoftirqd/110:35:231
1511599469,6cyclictest41-21ksoftirqd/309:35:213
15115994617,7cyclictest41-21ksoftirqd/311:50:163
15115994616,7cyclictest41-21ksoftirqd/309:02:483
15115994612,8cyclictest41-21ksoftirqd/312:10:193
15115994610,8cyclictest41-21ksoftirqd/309:55:133
1511499465,4cyclictest33-21ksoftirqd/208:30:262
1511499465,2cyclictest33-21ksoftirqd/211:05:112
1511499465,2cyclictest33-21ksoftirqd/207:54:592
15113994614,4cyclictest25-21ksoftirqd/108:30:181
15113994612,4cyclictest25-21ksoftirqd/109:04:591
15113994610,3cyclictest25-21ksoftirqd/109:05:211
1511599454,6cyclictest121rcu_preempt10:15:013
15115994516,3cyclictest41-21ksoftirqd/310:25:273
15115994513,7cyclictest41-21ksoftirqd/311:00:013
15115994513,3cyclictest41-21ksoftirqd/309:30:253
15115994511,5cyclictest41-21ksoftirqd/311:05:163
1511599450,2cyclictest121rcu_preempt09:40:103
1511599450,2cyclictest121rcu_preempt09:40:103
15113994514,7cyclictest25-21ksoftirqd/110:55:151
15113994512,8cyclictest25-21ksoftirqd/107:30:221
15113994511,7cyclictest25-21ksoftirqd/108:20:121
15115994414,9cyclictest41-21ksoftirqd/308:20:233
15115994413,4cyclictest41-21ksoftirqd/308:45:163
15115994410,8cyclictest41-21ksoftirqd/307:25:253
1511599440,2cyclictest121rcu_preempt08:05:193
15114994423,9cyclictest33-21ksoftirqd/210:30:192
15114994414,8cyclictest33-21ksoftirqd/207:45:242
1511599431,2cyclictest121rcu_preempt12:25:283
15115994312,3cyclictest41-21ksoftirqd/311:20:203
1511599430,6cyclictest121rcu_preempt07:40:003
1511499436,6cyclictest33-21ksoftirqd/211:00:122
1511499433,2cyclictest121rcu_preempt09:15:002
1511499433,2cyclictest121rcu_preempt09:15:002
1511499432,8cyclictest33-21ksoftirqd/212:25:252
1511399430,2cyclictest121rcu_preempt08:20:001
1511599427,4cyclictest41-21ksoftirqd/312:20:173
15115994212,4cyclictest41-21ksoftirqd/308:35:233
15115994211,4cyclictest41-21ksoftirqd/310:20:193
15115994210,8cyclictest41-21ksoftirqd/309:25:203
15115994210,4cyclictest41-21ksoftirqd/308:45:013
15115994210,4cyclictest41-21ksoftirqd/308:45:013
1511599419,4cyclictest41-21ksoftirqd/310:30:153
1511599418,4cyclictest41-21ksoftirqd/310:45:003
1511599416,7cyclictest41-21ksoftirqd/309:45:213
1511599415,8cyclictest41-21ksoftirqd/311:30:143
1511599411,3cyclictest121rcu_preempt12:30:193
15115994111,4cyclictest41-21ksoftirqd/311:00:143
15115994110,4cyclictest41-21ksoftirqd/310:50:263
57898400,10rtkit-daemon0-21swapper/008:45:370
1511599407,6cyclictest41-21ksoftirqd/311:55:173
15115994035,3cyclictest41-21ksoftirqd/311:29:593
1511599398,4cyclictest41-21ksoftirqd/307:55:263
1511599393,2cyclictest121rcu_preempt11:45:223
1511599392,6cyclictest41-21ksoftirqd/308:30:013
1511299398,4cyclictest9-21ksoftirqd/010:35:190
15112993934,3cyclictest9-21ksoftirqd/010:20:000
15112993934,3cyclictest4991-21cron11:17:000
1511599388,3cyclictest41-21ksoftirqd/312:00:163
15115993825,3cyclictest41-21ksoftirqd/308:10:133
15115993824,3cyclictest41-21ksoftirqd/307:55:003
1511599380,5cyclictest41-21ksoftirqd/311:35:183
15112993833,3cyclictest9-21ksoftirqd/010:30:000
1511599370,2cyclictest121rcu_preempt08:00:133
15112993732,3cyclictest9-21ksoftirqd/010:55:190
15112993732,3cyclictest9-21ksoftirqd/009:40:000
15112993732,3cyclictest9-21ksoftirqd/007:35:180
15112993718,6cyclictest9-21ksoftirqd/012:40:000
1511299370,2cyclictest121rcu_preempt12:28:330
15112993632,3cyclictest9-21ksoftirqd/011:45:010
15112993632,3cyclictest9-21ksoftirqd/011:45:000
15112993631,3cyclictest9-21ksoftirqd/012:15:010
15112993631,3cyclictest9-21ksoftirqd/010:05:240
15112993631,2cyclictest9-21ksoftirqd/007:59:590
15115993524,3cyclictest41-21ksoftirqd/307:15:133
15115993524,3cyclictest41-21ksoftirqd/307:15:133
1511599350,7cyclictest41-21ksoftirqd/307:40:193
15112993530,3cyclictest9-21ksoftirqd/011:20:130
15112993530,3cyclictest9-21ksoftirqd/009:30:580
15112993530,3cyclictest9-21ksoftirqd/009:25:000
15112993530,3cyclictest9-21ksoftirqd/008:20:110
15112993528,5cyclictest9-21ksoftirqd/008:50:330
1511299352,6cyclictest121rcu_preempt09:20:010
1511599345,2cyclictest41-21ksoftirqd/309:10:223
1511599345,2cyclictest41-21ksoftirqd/309:10:223
15115993428,3cyclictest41-21ksoftirqd/308:55:143
15112993429,3cyclictest9-21ksoftirqd/012:00:000
15112993429,3cyclictest9-21ksoftirqd/011:30:190
15112993429,3cyclictest9-21ksoftirqd/010:45:010
15112993429,3cyclictest9-21ksoftirqd/008:15:190
15112993429,3cyclictest9-21ksoftirqd/008:10:000
15112993428,4cyclictest9-21ksoftirqd/009:45:050
15112993428,4cyclictest9-21ksoftirqd/008:56:310
15112993428,3cyclictest9-21ksoftirqd/008:44:590
15112993428,3cyclictest9-21ksoftirqd/008:44:590
1511299341,2cyclictest121rcu_preempt11:45:160
1511299340,2cyclictest121rcu_preempt09:55:160
15112993329,2cyclictest9-21ksoftirqd/010:35:000
15112993328,3cyclictest9-21ksoftirqd/012:20:000
15112993328,3cyclictest9-21ksoftirqd/011:35:180
15112993328,3cyclictest9-21ksoftirqd/010:55:010
15112993328,3cyclictest9-21ksoftirqd/009:00:170
15112993327,4cyclictest9-21ksoftirqd/012:21:260
15112993327,4cyclictest9-21ksoftirqd/007:46:390
15112993327,4cyclictest9-21ksoftirqd/007:19:150
15112993327,4cyclictest9-21ksoftirqd/007:19:150
15112993317,5cyclictest9-21ksoftirqd/008:25:190
1511299331,2cyclictest121rcu_preempt10:20:200
15112993228,2cyclictest9-21ksoftirqd/009:27:520
15112993228,2cyclictest9-21ksoftirqd/007:54:590
15112993227,3cyclictest9-21ksoftirqd/011:52:370
15112993227,3cyclictest9-21ksoftirqd/010:01:140
15112993226,4cyclictest9-21ksoftirqd/012:06:140
15112993226,4cyclictest9-21ksoftirqd/010:14:050
15112993226,3cyclictest9-21ksoftirqd/007:25:190
15112993128,2cyclictest9-21ksoftirqd/011:25:200
15112993127,3cyclictest9-21ksoftirqd/011:04:590
15112993127,2cyclictest9-21ksoftirqd/007:10:130
15112993126,3cyclictest9-21ksoftirqd/012:30:170
15112993126,3cyclictest9-21ksoftirqd/011:11:200
15112993125,4cyclictest9-21ksoftirqd/008:13:350
15112993125,3cyclictest9-21ksoftirqd/008:00:420
15112993114,7cyclictest9-21ksoftirqd/010:50:010
15112993112,5cyclictest9-21ksoftirqd/007:20:180
1511299301,2cyclictest121rcu_preempt12:00:270
1511299301,2cyclictest121rcu_preempt11:10:000
15112992924,3cyclictest9-21ksoftirqd/009:10:120
15112992924,3cyclictest9-21ksoftirqd/009:10:120
15112992924,3cyclictest9-21ksoftirqd/009:10:010
15112992924,3cyclictest9-21ksoftirqd/008:36:010
15112992923,4cyclictest9-21ksoftirqd/009:50:030
15112992923,4cyclictest9-21ksoftirqd/007:34:150
15112992823,3cyclictest9-21ksoftirqd/009:41:560
15112992823,3cyclictest9-21ksoftirqd/009:41:560
15112992710,5cyclictest9-21ksoftirqd/008:30:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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