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2025-12-17 - 16:22
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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 rackdslot3.osadl.org (updated Wed Dec 17, 2025 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
734722370,18sleep30-21swapper/307:05:253
92142207174,22sleep00-21swapper/007:09:580
91202204171,22sleep10-21swapper/107:08:461
90012203170,22sleep20-21swapper/207:07:182
2978121690,6sleep1951099cyclictest11:15:001
743521590,5sleep1951099cyclictest10:25:221
9511997020,10cyclictest33-21ksoftirqd/208:55:182
9511997020,10cyclictest33-21ksoftirqd/208:55:182
9511996734,3cyclictest33-21ksoftirqd/207:55:002
9511996025,6cyclictest33-21ksoftirqd/211:00:012
9511996025,6cyclictest33-21ksoftirqd/211:00:012
7792600,6sleep2951199cyclictest09:05:202
9510995825,7cyclictest25-21ksoftirqd/108:50:181
9511995723,8cyclictest33-21ksoftirqd/211:49:592
9511995723,6cyclictest33-21ksoftirqd/208:50:142
139391570,1ptp4l401ktimersoftd/311:51:213
9511995627,4cyclictest33-21ksoftirqd/211:35:172
9510995625,6cyclictest25-21ksoftirqd/107:15:181
9511995522,4cyclictest33-21ksoftirqd/212:30:222
9510995550,3cyclictest231rcuc/112:05:311
9510995523,6cyclictest25-21ksoftirqd/109:25:001
9510995520,7cyclictest25-21ksoftirqd/110:05:001
9511995424,7cyclictest33-21ksoftirqd/208:10:212
9511995423,4cyclictest33-21ksoftirqd/210:05:152
9511995423,10cyclictest33-21ksoftirqd/210:30:182
9511995420,8cyclictest33-21ksoftirqd/207:25:212
9511995420,8cyclictest33-21ksoftirqd/207:25:212
9511995415,7cyclictest33-21ksoftirqd/210:24:592
9510995426,8cyclictest25-21ksoftirqd/108:20:171
123452540,4sleep0101ktimersoftd/007:15:140
9511995338,2cyclictest33-21ksoftirqd/207:10:342
9511995334,6cyclictest33-21ksoftirqd/211:33:372
9511995324,4cyclictest33-21ksoftirqd/209:45:202
9511995324,4cyclictest33-21ksoftirqd/209:00:142
9511995323,6cyclictest33-21ksoftirqd/209:45:002
9511995322,4cyclictest33-21ksoftirqd/209:30:222
9511995320,6cyclictest33-21ksoftirqd/211:10:002
9511995320,6cyclictest33-21ksoftirqd/207:45:132
9511995319,8cyclictest33-21ksoftirqd/208:20:222
9511995318,9cyclictest33-21ksoftirqd/209:30:002
9511995318,9cyclictest33-21ksoftirqd/209:30:002
9511995317,6cyclictest33-21ksoftirqd/209:55:212
9511995317,6cyclictest33-21ksoftirqd/209:55:202
9511995317,12cyclictest33-21ksoftirqd/208:39:132
9510995324,7cyclictest25-21ksoftirqd/111:40:241
9510995322,5cyclictest25-21ksoftirqd/108:40:111
9510995321,8cyclictest25-21ksoftirqd/108:35:211
9510995321,7cyclictest25-21ksoftirqd/107:50:191
9511995221,6cyclictest33-21ksoftirqd/209:35:132
9511995218,6cyclictest33-21ksoftirqd/207:30:222
9511995216,5cyclictest33-21ksoftirqd/210:25:112
951099526,10cyclictest25-21ksoftirqd/108:10:211
9511995123,6cyclictest33-21ksoftirqd/210:15:162
9511995121,4cyclictest33-21ksoftirqd/212:25:222
9511995121,4cyclictest33-21ksoftirqd/212:25:222
9511995120,4cyclictest33-21ksoftirqd/211:55:132
9511995120,4cyclictest33-21ksoftirqd/211:55:132
9511995118,6cyclictest33-21ksoftirqd/212:10:222
9511995118,4cyclictest33-21ksoftirqd/212:15:182
9511995117,6cyclictest33-21ksoftirqd/209:15:162
9511995117,5cyclictest33-21ksoftirqd/208:45:172
9511995116,6cyclictest33-21ksoftirqd/209:10:142
951099516,4cyclictest25-21ksoftirqd/110:35:231
951099515,8cyclictest25-21ksoftirqd/109:15:171
9510995148,2cyclictest231rcuc/109:38:241
9510995147,2cyclictest231rcuc/108:45:381
9510995121,8cyclictest25-21ksoftirqd/111:40:001
9510995120,8cyclictest25-21ksoftirqd/108:55:011
9510995120,8cyclictest25-21ksoftirqd/108:55:011
9511995021,4cyclictest33-21ksoftirqd/211:00:182
9511995021,3cyclictest33-21ksoftirqd/208:00:162
9511995017,6cyclictest33-21ksoftirqd/211:15:142
9511995013,6cyclictest33-21ksoftirqd/209:50:222
951099506,8cyclictest25-21ksoftirqd/111:25:271
951099506,8cyclictest25-21ksoftirqd/111:25:271
951099505,8cyclictest16923-21grep11:55:131
951099505,8cyclictest16923-21grep11:55:131
951099504,8cyclictest25-21ksoftirqd/112:00:251
951099504,8cyclictest25-21ksoftirqd/107:20:121
951099503,9cyclictest25-21ksoftirqd/109:50:241
9510995021,6cyclictest25-21ksoftirqd/107:31:501
951199494,3cyclictest121rcu_preempt11:10:112
9511994931,16cyclictest33-21ksoftirqd/208:30:002
9511994931,16cyclictest33-21ksoftirqd/208:29:592
9511994923,6cyclictest33-21ksoftirqd/207:25:002
9511994920,7cyclictest33-21ksoftirqd/211:20:242
9511994919,4cyclictest33-21ksoftirqd/207:35:272
9511994919,3cyclictest33-21ksoftirqd/210:35:232
9511994917,4cyclictest33-21ksoftirqd/212:05:192
9511994917,4cyclictest33-21ksoftirqd/212:05:002
9511994916,7cyclictest33-21ksoftirqd/208:30:202
9511994916,5cyclictest33-21ksoftirqd/208:15:182
951099496,4cyclictest25-21ksoftirqd/108:25:231
951099496,4cyclictest25-21ksoftirqd/108:25:231
951099496,10cyclictest25-21ksoftirqd/107:30:001
951099496,10cyclictest25-21ksoftirqd/107:30:001
951099495,9cyclictest25-21ksoftirqd/109:05:131
951099495,10cyclictest25-21ksoftirqd/109:10:261
951099493,8cyclictest25-21ksoftirqd/111:50:251
951099493,6cyclictest25-21ksoftirqd/112:30:011
951099493,6cyclictest25-21ksoftirqd/112:30:011
9510994921,9cyclictest25-21ksoftirqd/111:17:441
9510994920,3cyclictest25-21ksoftirqd/111:23:501
9509994915,4cyclictest9-21ksoftirqd/007:55:270
9509994915,4cyclictest9-21ksoftirqd/007:55:270
9511994821,6cyclictest33-21ksoftirqd/210:05:012
9511994819,6cyclictest33-21ksoftirqd/211:25:172
9511994819,6cyclictest33-21ksoftirqd/211:25:172
9511994818,3cyclictest33-21ksoftirqd/208:40:262
9511994812,6cyclictest33-21ksoftirqd/210:40:202
951099486,8cyclictest25-21ksoftirqd/109:45:231
951099486,10cyclictest25-21ksoftirqd/110:55:151
951099486,10cyclictest25-21ksoftirqd/110:55:141
951099485,8cyclictest25-21ksoftirqd/111:45:141
951099485,7cyclictest25-21ksoftirqd/108:00:191
951099485,7cyclictest25-21ksoftirqd/107:55:141
951099485,7cyclictest25-21ksoftirqd/107:55:141
951099484,4cyclictest25-21ksoftirqd/112:15:171
951099483,8cyclictest25-21ksoftirqd/111:05:141
951099481,9cyclictest25-21ksoftirqd/110:10:211
951099481,8cyclictest25-21ksoftirqd/109:55:141
951099481,8cyclictest25-21ksoftirqd/109:55:141
139391480,41ptp4l0-21swapper/307:10:013
9511994717,6cyclictest33-21ksoftirqd/210:50:192
9511994714,5cyclictest33-21ksoftirqd/210:10:262
9511994713,5cyclictest33-21ksoftirqd/212:35:142
951099476,9cyclictest25-21ksoftirqd/107:40:241
951099475,8cyclictest25-21ksoftirqd/111:00:191
951099475,7cyclictest25-21ksoftirqd/109:40:181
951099474,9cyclictest25-21ksoftirqd/112:30:181
951099474,8cyclictest25-21ksoftirqd/110:05:151
951099472,5cyclictest32004-21apt-config09:05:011
951099471,9cyclictest25-21ksoftirqd/110:15:201
9510994717,7cyclictest25-21ksoftirqd/110:30:171
9509994716,6cyclictest9-21ksoftirqd/009:05:140
134491470,8getstats951299cyclictest09:04:373
951199468,6cyclictest33-21ksoftirqd/207:40:242
9511994627,9cyclictest33-21ksoftirqd/210:45:202
9511994618,3cyclictest33-21ksoftirqd/212:20:122
9511994618,3cyclictest33-21ksoftirqd/211:50:182
9511994617,4cyclictest33-21ksoftirqd/208:05:132
951099467,7cyclictest25-21ksoftirqd/112:35:121
951099464,9cyclictest25-21ksoftirqd/108:05:181
951099464,4cyclictest25-21ksoftirqd/109:30:181
951099463,9cyclictest25-21ksoftirqd/111:30:121
951099463,9cyclictest25-21ksoftirqd/108:20:001
951099461,6cyclictest25-21ksoftirqd/108:30:271
9509994618,10cyclictest9-21ksoftirqd/011:45:180
9509994614,8cyclictest9-21ksoftirqd/009:30:000
9509994614,8cyclictest9-21ksoftirqd/009:29:590
9511994517,7cyclictest33-21ksoftirqd/207:15:142
9511994514,5cyclictest33-21ksoftirqd/209:20:192
9511994512,11cyclictest33-21ksoftirqd/207:55:272
9511994512,11cyclictest33-21ksoftirqd/207:55:262
951099456,8cyclictest25-21ksoftirqd/107:10:341
951099455,8cyclictest25-21ksoftirqd/112:20:161
951099455,7cyclictest25-21ksoftirqd/110:20:221
951099454,9cyclictest25-21ksoftirqd/109:25:141
951099454,9cyclictest25-21ksoftirqd/109:25:141
951099454,6cyclictest25-21ksoftirqd/112:15:001
951099452,6cyclictest25-21ksoftirqd/110:55:001
951099452,6cyclictest25-21ksoftirqd/110:40:271
951099452,4cyclictest25-21ksoftirqd/107:35:151
9509994412,7cyclictest9-21ksoftirqd/010:00:000
9509994412,7cyclictest9-21ksoftirqd/010:00:000
9509994412,6cyclictest9-21ksoftirqd/007:20:130
139391440,0ptp4l401ktimersoftd/310:09:523
9512994338,3cyclictest18917-21sh12:00:013
9512994338,3cyclictest18917-21sh12:00:013
951199430,5cyclictest33-21ksoftirqd/211:45:002
9509994313,6cyclictest9-21ksoftirqd/010:35:120
9509994310,7cyclictest9-21ksoftirqd/008:50:270
139391430,0ptp4l401ktimersoftd/312:01:483
139391430,0ptp4l401ktimersoftd/309:26:043
139391430,0ptp4l401ktimersoftd/309:26:043
9512994236,4cyclictest14043-21basename07:20:003
951099425,9cyclictest25-21ksoftirqd/107:45:241
9509994216,3cyclictest9-21ksoftirqd/009:20:130
9509994212,7cyclictest9-21ksoftirqd/010:55:000
139391420,1ptp4l401ktimersoftd/309:10:153
139391420,0ptp4l401ktimersoftd/311:40:173
951099414,3cyclictest121rcu_preempt10:47:461
9509994126,5cyclictest9-21ksoftirqd/012:00:120
950999411,3cyclictest121rcu_preempt10:40:190
950999410,3cyclictest121rcu_preempt09:40:010
139391410,0ptp4l401ktimersoftd/311:28:593
139391410,0ptp4l401ktimersoftd/311:28:583
139391410,0ptp4l401ktimersoftd/309:21:273
9512994035,3cyclictest32663-21fschecks_count11:20:163
950999408,6cyclictest9-21ksoftirqd/009:30:150
950999407,7cyclictest9-21ksoftirqd/008:35:010
950999402,3cyclictest9-21ksoftirqd/009:00:240
9509994010,6cyclictest9-21ksoftirqd/011:40:240
139391400,0ptp4l401ktimersoftd/307:50:153
139391400,0ptp4l401ktimersoftd/307:41:563
950999391,3cyclictest121rcu_preempt12:25:000
9509993910,3cyclictest9-21ksoftirqd/009:10:150
950999388,8cyclictest9-21ksoftirqd/012:35:160
9509993833,3cyclictest9-21ksoftirqd/009:45:210
9509993833,3cyclictest9-21ksoftirqd/007:40:010
9509993831,4cyclictest9-21ksoftirqd/008:15:190
9509993825,3cyclictest9-21ksoftirqd/012:30:140
9509993825,3cyclictest9-21ksoftirqd/012:10:120
9509993825,3cyclictest9-21ksoftirqd/010:45:250
9509993824,3cyclictest9-21ksoftirqd/011:05:160
9509993823,4cyclictest9-21ksoftirqd/012:25:140
9509993823,4cyclictest9-21ksoftirqd/012:25:140
9509993810,4cyclictest9-21ksoftirqd/009:45:000
950999380,2cyclictest121rcu_preempt10:25:150
950999377,7cyclictest9-21ksoftirqd/007:10:320
950999375,6cyclictest9-21ksoftirqd/011:35:140
9509993733,2cyclictest9-21ksoftirqd/008:20:170
9509993732,3cyclictest9-21ksoftirqd/012:15:010
9509993732,3cyclictest9-21ksoftirqd/010:55:150
9509993732,3cyclictest9-21ksoftirqd/010:55:150
9509993732,3cyclictest9-21ksoftirqd/010:35:000
9509993732,3cyclictest9-21ksoftirqd/007:30:160
9509993731,3cyclictest9-21ksoftirqd/008:15:000
9509993724,3cyclictest9-21ksoftirqd/011:30:150
9509993724,3cyclictest9-21ksoftirqd/008:25:230
9509993724,3cyclictest9-21ksoftirqd/008:25:220
9509993724,3cyclictest9-21ksoftirqd/008:05:260
9509993723,3cyclictest9-21ksoftirqd/008:55:010
9509993723,3cyclictest9-21ksoftirqd/008:55:000
9509993719,7cyclictest9-21ksoftirqd/008:02:530
9509993710,7cyclictest9-21ksoftirqd/009:50:210
9512993631,3cyclictest41-21ksoftirqd/312:20:093
9512993631,3cyclictest41-21ksoftirqd/311:40:003
9512993630,4cyclictest41-21ksoftirqd/310:38:403
9512993630,4cyclictest41-21ksoftirqd/308:05:163
9512993630,4cyclictest16554-21cron09:40:003
950999364,4cyclictest9-21ksoftirqd/011:25:170
950999364,4cyclictest9-21ksoftirqd/011:25:170
9509993632,2cyclictest9-21ksoftirqd/010:05:170
9509993632,2cyclictest9-21ksoftirqd/010:00:140
9509993631,3cyclictest9-21ksoftirqd/007:45:230
9509993631,3cyclictest9-21ksoftirqd/007:40:140
9509993631,2cyclictest9-21ksoftirqd/007:50:260
9509993629,4cyclictest9-21ksoftirqd/008:35:220
139391360,0ptp4l401ktimersoftd/312:10:173
9512993529,4cyclictest41-21ksoftirqd/312:25:433
9512993529,4cyclictest41-21ksoftirqd/312:25:433
9512993529,3cyclictest41-21ksoftirqd/309:41:523
950999357,3cyclictest9-21ksoftirqd/011:14:590
9509993531,2cyclictest9-21ksoftirqd/011:50:110
9509993530,2cyclictest9-21ksoftirqd/010:10:270
9509993530,2cyclictest9-21ksoftirqd/008:45:150
9509993527,4cyclictest9-21ksoftirqd/007:25:110
9509993527,4cyclictest9-21ksoftirqd/007:25:110
950999352,5cyclictest121rcu_preempt09:15:140
9509993523,4cyclictest9-21ksoftirqd/011:55:220
9509993523,4cyclictest9-21ksoftirqd/011:55:220
9512993429,3cyclictest41-21ksoftirqd/311:00:133
9512993428,4cyclictest41-21ksoftirqd/312:17:393
9512993427,4cyclictest41-21ksoftirqd/311:15:023
9509993429,3cyclictest9-21ksoftirqd/011:00:210
9509993428,3cyclictest9-21ksoftirqd/012:05:190
9509993422,3cyclictest9-21ksoftirqd/011:20:230
139391340,1ptp4l0-21swapper/311:30:463
9512993327,4cyclictest41-21ksoftirqd/308:58:553
9512993327,4cyclictest41-21ksoftirqd/308:58:553
9509993328,3cyclictest9-21ksoftirqd/011:15:130
9509993328,3cyclictest9-21ksoftirqd/010:20:000
950999332,2cyclictest121rcu_preempt10:20:170
9509993319,5cyclictest9-21ksoftirqd/008:40:120
9512993227,3cyclictest41-21ksoftirqd/310:47:133
9512993227,3cyclictest41-21ksoftirqd/310:25:113
9512993227,3cyclictest41-21ksoftirqd/309:56:593
9512993227,3cyclictest41-21ksoftirqd/309:56:593
9512993226,4cyclictest41-21ksoftirqd/309:18:213
9512993226,4cyclictest41-21ksoftirqd/308:40:413
9512993226,4cyclictest41-21ksoftirqd/308:29:193
9512993226,4cyclictest41-21ksoftirqd/308:29:193
9512993226,4cyclictest41-21ksoftirqd/307:28:213
9512993226,4cyclictest41-21ksoftirqd/307:28:213
9512993226,4cyclictest41-21ksoftirqd/307:24:003
9512993219,10cyclictest41-21ksoftirqd/309:51:093
139391320,0ptp4l401ktimersoftd/312:38:103
139391320,0ptp4l401ktimersoftd/311:45:113
139391320,0ptp4l401ktimersoftd/310:30:173
139391320,0ptp4l401ktimersoftd/310:20:003
139391320,0ptp4l401ktimersoftd/310:13:553
139391320,0ptp4l401ktimersoftd/308:18:543
9512993126,3cyclictest41-21ksoftirqd/309:45:573
9512993125,4cyclictest41-21ksoftirqd/308:49:363
9512993125,4cyclictest41-21ksoftirqd/307:37:563
139391310,0ptp4l401ktimersoftd/308:32:583
139391310,0ptp4l401ktimersoftd/308:02:003
9512993025,3cyclictest41-21ksoftirqd/308:11:573
9512993024,4cyclictest41-21ksoftirqd/312:30:403
139391300,0ptp4l401ktimersoftd/310:51:323
139391300,0ptp4l401ktimersoftd/309:32:273
139391300,0ptp4l401ktimersoftd/308:21:183
139391300,0ptp4l401ktimersoftd/307:48:373
139391300,0ptp4l401ktimersoftd/307:33:473
9512992924,3cyclictest41-21ksoftirqd/308:37:533
9512992923,3cyclictest41-21ksoftirqd/308:53:253
139391290,0ptp4l401ktimersoftd/310:58:253
139391290,0ptp4l401ktimersoftd/310:58:243
139391290,0ptp4l401ktimersoftd/310:41:023
139391280,0ptp4l401ktimersoftd/309:08:343
9512992722,3cyclictest41-21ksoftirqd/311:11:383
9512992621,3cyclictest41-21ksoftirqd/312:07:083
9512992621,3cyclictest41-21ksoftirqd/310:23:363
9512992521,2cyclictest41-21ksoftirqd/310:02:363
139391240,0ptp4l401ktimersoftd/311:05:163
139391230,0ptp4l401ktimersoftd/307:55:053
139391230,0ptp4l401ktimersoftd/307:55:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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