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2026-05-15 - 22:08
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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 Fri May 15, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323392205170,23sleep30-21swapper/307:07:053
323152200167,23sleep10-21swapper/107:06:471
325592199166,22sleep00-21swapper/007:09:500
323432197164,22sleep20-21swapper/207:07:072
404996228,4cyclictest9-21ksoftirqd/008:50:120
75912600,3sleep00-21swapper/009:30:260
407995913,4cyclictest41-21ksoftirqd/312:15:213
406995924,4cyclictest33-21ksoftirqd/209:05:162
40599576,8cyclictest25-21ksoftirqd/108:25:191
406995636,11cyclictest33-21ksoftirqd/212:40:002
405995621,4cyclictest25-21ksoftirqd/107:36:491
40599545,8cyclictest25-21ksoftirqd/107:45:141
40599544,8cyclictest25-21ksoftirqd/107:30:271
40599540,7cyclictest5484-21idleruntime-cro10:35:001
18972540,2sleep00-21swapper/008:15:240
40599535,7cyclictest25-21ksoftirqd/111:35:231
405995349,2cyclictest231rcuc/111:44:391
40599532,5cyclictest241ktimersoftd/109:15:001
405995319,7cyclictest25-21ksoftirqd/112:12:161
40599530,7cyclictest25488-21turbostat10:10:001
407995215,4cyclictest41-21ksoftirqd/309:00:233
406995221,9cyclictest33-21ksoftirqd/211:55:152
40599520,7cyclictest26846-21strings11:15:231
40599514,8cyclictest25-21ksoftirqd/107:10:161
40599513,6cyclictest25-21ksoftirqd/112:25:231
405995119,7cyclictest25-21ksoftirqd/108:05:041
40599511,7cyclictest32451-21grep10:20:251
40599511,6cyclictest25-21ksoftirqd/108:30:231
40599511,6cyclictest241ktimersoftd/109:30:171
407995018,10cyclictest41-21ksoftirqd/307:10:183
40599505,7cyclictest25-21ksoftirqd/108:55:111
40599504,6cyclictest241ktimersoftd/112:00:261
40599503,6cyclictest25-21ksoftirqd/108:40:241
40599503,5cyclictest25-21ksoftirqd/107:40:251
40599502,6cyclictest25-21ksoftirqd/107:55:151
40599501,7cyclictest241ktimersoftd/111:55:151
40599494,7cyclictest25-21ksoftirqd/108:45:161
40599494,7cyclictest25-21ksoftirqd/108:00:261
40599491,6cyclictest1316-21grep12:35:111
40599490,8cyclictest241ktimersoftd/109:50:001
40599490,46cyclictest241ktimersoftd/110:15:181
404994930,7cyclictest9-21ksoftirqd/012:20:000
40799482,3cyclictest121rcu_preempt09:55:173
40699483,9cyclictest33-21ksoftirqd/209:15:002
40599486,7cyclictest25-21ksoftirqd/109:00:241
40599485,8cyclictest25-21ksoftirqd/110:35:141
40599485,7cyclictest25-21ksoftirqd/111:25:271
40599483,6cyclictest25-21ksoftirqd/107:50:191
40599482,8cyclictest25-21ksoftirqd/108:35:241
405994819,9cyclictest25-21ksoftirqd/111:45:221
40599481,6cyclictest25-21ksoftirqd/107:25:171
40599481,6cyclictest241ktimersoftd/108:50:151
40599480,7cyclictest241ktimersoftd/107:15:011
407994713,5cyclictest41-21ksoftirqd/307:45:143
40599475,9cyclictest25-21ksoftirqd/109:05:141
40599475,8cyclictest25-21ksoftirqd/108:10:111
40599473,7cyclictest25-21ksoftirqd/107:20:271
40599472,6cyclictest25-21ksoftirqd/111:05:251
40599472,6cyclictest241ktimersoftd/109:55:131
40599472,5cyclictest241ktimersoftd/112:20:251
405994719,8cyclictest25-21ksoftirqd/110:50:251
40599471,6cyclictest241ktimersoftd/111:50:121
40599470,5cyclictest241ktimersoftd/109:15:151
40599470,44cyclictest241ktimersoftd/110:45:141
40599470,44cyclictest241ktimersoftd/110:45:141
407994632,4cyclictest41-21ksoftirqd/308:40:003
40599465,9cyclictest25-21ksoftirqd/110:10:141
40599465,7cyclictest25-21ksoftirqd/112:31:251
40599465,7cyclictest25-21ksoftirqd/112:31:251
40599465,7cyclictest25-21ksoftirqd/109:35:191
40599465,6cyclictest25-21ksoftirqd/111:30:241
40599464,7cyclictest25-21ksoftirqd/109:50:211
40599464,4cyclictest25-21ksoftirqd/110:40:201
40599460,7cyclictest241ktimersoftd/110:55:251
40799451,5cyclictest41-21ksoftirqd/308:40:343
40799450,3cyclictest121rcu_preempt07:15:013
406994527,9cyclictest33-21ksoftirqd/212:20:202
40599456,7cyclictest25-21ksoftirqd/109:25:121
40599456,6cyclictest25-21ksoftirqd/108:20:261
40599455,7cyclictest25-21ksoftirqd/110:25:131
40599454,7cyclictest25-21ksoftirqd/111:20:151
40599453,5cyclictest241ktimersoftd/111:15:001
40599451,6cyclictest241ktimersoftd/112:15:161
40599450,8cyclictest241ktimersoftd/109:40:201
404994520,8cyclictest9-21ksoftirqd/008:40:000
40799441,5cyclictest41-21ksoftirqd/311:57:353
40799441,5cyclictest41-21ksoftirqd/310:53:203
40799440,6cyclictest41-21ksoftirqd/311:03:233
40699441,8cyclictest33-21ksoftirqd/209:25:122
40599445,6cyclictest25-21ksoftirqd/108:15:141
40599442,6cyclictest25-21ksoftirqd/112:05:141
40599441,6cyclictest241ktimersoftd/109:20:181
40599440,7cyclictest25-21ksoftirqd/111:04:081
404994426,4cyclictest9-21ksoftirqd/011:45:000
138491440,0ptp4l401ktimersoftd/310:55:223
138491440,0ptp4l401ktimersoftd/307:40:153
40799435,2cyclictest121rcu_preempt09:50:003
407994315,5cyclictest41-21ksoftirqd/308:10:233
407994310,8cyclictest41-21ksoftirqd/312:05:143
40799430,5cyclictest41-21ksoftirqd/307:57:173
40599432,5cyclictest21115-21runrttasks10:00:141
138491430,0ptp4l401ktimersoftd/311:50:233
40799426,33cyclictest2922-21latency_hist11:35:013
40799421,5cyclictest41-21ksoftirqd/311:47:243
40799421,5cyclictest41-21ksoftirqd/310:42:403
40799421,5cyclictest41-21ksoftirqd/310:38:083
40799421,4cyclictest41-21ksoftirqd/308:58:203
406994236,3cyclictest33-21ksoftirqd/208:40:002
138491420,0ptp4l401ktimersoftd/311:21:023
138491420,0ptp4l401ktimersoftd/309:10:203
40799414,3cyclictest121rcu_preempt08:25:193
40799411,5cyclictest41-21ksoftirqd/312:01:563
40799411,4cyclictest41-21ksoftirqd/310:46:143
40799411,4cyclictest41-21ksoftirqd/310:46:143
40799410,5cyclictest41-21ksoftirqd/310:15:053
40799410,5cyclictest41-21ksoftirqd/309:51:383
40799410,5cyclictest41-21ksoftirqd/308:47:283
40799410,5cyclictest41-21ksoftirqd/307:23:273
406994125,5cyclictest33-21ksoftirqd/210:15:122
406994111,4cyclictest33-21ksoftirqd/210:10:272
404994126,4cyclictest9-21ksoftirqd/007:40:170
404994124,7cyclictest9-21ksoftirqd/009:50:000
404994124,5cyclictest9-21ksoftirqd/008:14:590
407994027,11cyclictest41-21ksoftirqd/309:20:003
40799401,4cyclictest41-21ksoftirqd/308:17:353
40799400,4cyclictest41-21ksoftirqd/312:23:593
40699404,6cyclictest121rcu_preempt10:40:142
406994036,2cyclictest33-21ksoftirqd/212:20:002
406994035,3cyclictest33-21ksoftirqd/212:30:002
406994035,3cyclictest33-21ksoftirqd/209:40:002
404994028,4cyclictest9-21ksoftirqd/009:55:170
404994025,7cyclictest9-21ksoftirqd/009:10:000
404994025,5cyclictest9-21ksoftirqd/008:30:120
138491400,1ptp4l401ktimersoftd/309:41:033
134991400,1getstats32530-1kworker/3:2H12:30:053
134991400,1getstats32530-1kworker/3:2H12:30:043
40799394,3cyclictest41-21ksoftirqd/308:04:413
407993933,4cyclictest41-21ksoftirqd/311:15:003
40799391,3cyclictest41-21ksoftirqd/311:35:183
40799390,8cyclictest41-21ksoftirqd/310:10:173
406993935,2cyclictest33-21ksoftirqd/208:50:002
406993923,4cyclictest33-21ksoftirqd/207:20:002
404993934,3cyclictest9-21ksoftirqd/008:05:000
404993923,4cyclictest9-21ksoftirqd/010:10:170
404993920,5cyclictest9-21ksoftirqd/011:50:000
138491390,0ptp4l401ktimersoftd/309:25:143
407993833,3cyclictest41-21ksoftirqd/310:30:003
407993833,2cyclictest41-21ksoftirqd/311:15:273
40799382,8cyclictest41-21ksoftirqd/307:25:243
40799381,8cyclictest41-21ksoftirqd/308:34:563
40799381,3cyclictest41-21ksoftirqd/310:04:223
40799380,4cyclictest41-21ksoftirqd/307:54:563
406993833,3cyclictest33-21ksoftirqd/209:55:132
406993833,3cyclictest33-21ksoftirqd/209:00:212
406993832,3cyclictest33-21ksoftirqd/207:40:002
406993825,5cyclictest33-21ksoftirqd/208:50:132
406993823,7cyclictest33-21ksoftirqd/212:05:222
406993821,5cyclictest33-21ksoftirqd/211:40:012
40499383,4cyclictest15353-21cut10:54:590
404993834,2cyclictest9-21ksoftirqd/010:50:000
404993834,2cyclictest9-21ksoftirqd/010:50:000
404993833,3cyclictest9-21ksoftirqd/007:50:000
404993824,4cyclictest9-21ksoftirqd/011:05:120
404993823,5cyclictest9-21ksoftirqd/008:24:530
404993821,5cyclictest9-21ksoftirqd/007:20:150
404993816,8cyclictest9-21ksoftirqd/008:50:000
404993813,7cyclictest9-21ksoftirqd/007:35:130
407993731,3cyclictest41-21ksoftirqd/312:10:273
407993731,3cyclictest41-21ksoftirqd/311:05:263
40799371,5cyclictest41-21ksoftirqd/308:54:543
40799371,5cyclictest41-21ksoftirqd/308:23:303
40799371,4cyclictest41-21ksoftirqd/310:32:223
406993732,2cyclictest33-21ksoftirqd/210:05:172
406993731,3cyclictest33-21ksoftirqd/207:15:012
40699372,4cyclictest33-21ksoftirqd/207:45:002
406993724,5cyclictest33-21ksoftirqd/208:55:222
406993712,13cyclictest33-21ksoftirqd/210:45:222
406993712,13cyclictest33-21ksoftirqd/210:45:222
404993732,3cyclictest9-21ksoftirqd/008:45:010
404993732,3cyclictest9-21ksoftirqd/007:55:000
404993731,4cyclictest9-21ksoftirqd/008:28:520
404993731,3cyclictest9-21ksoftirqd/011:05:000
404993715,8cyclictest9-21ksoftirqd/010:10:000
138491370,0ptp4l401ktimersoftd/307:30:143
407993631,3cyclictest41-21ksoftirqd/312:25:003
40799361,4cyclictest41-21ksoftirqd/309:23:023
407993614,10cyclictest41-21ksoftirqd/311:40:143
40799360,9cyclictest41-21ksoftirqd/309:05:143
406993632,3cyclictest33-21ksoftirqd/207:25:002
406993632,2cyclictest33-21ksoftirqd/211:35:002
406993632,2cyclictest33-21ksoftirqd/209:20:142
406993632,2cyclictest33-21ksoftirqd/208:40:252
406993631,3cyclictest33-21ksoftirqd/211:10:132
406993631,3cyclictest33-21ksoftirqd/207:55:232
406993631,2cyclictest33-21ksoftirqd/210:35:272
406993630,4cyclictest33-21ksoftirqd/212:03:452
406993630,4cyclictest33-21ksoftirqd/208:27:542
40699362,7cyclictest33-21ksoftirqd/211:05:132
406993623,5cyclictest33-21ksoftirqd/211:45:252
406993622,3cyclictest33-21ksoftirqd/209:50:222
40499363,3cyclictest9-21ksoftirqd/012:35:000
40499363,3cyclictest9-21ksoftirqd/012:35:000
404993632,3cyclictest9-21ksoftirqd/012:40:000
404993632,2cyclictest9-21ksoftirqd/012:00:000
404993631,3cyclictest9-21ksoftirqd/009:50:120
404993631,3cyclictest9-21ksoftirqd/008:05:160
404993623,4cyclictest9-21ksoftirqd/007:15:230
404993622,4cyclictest9-21ksoftirqd/009:15:130
404993620,7cyclictest9-21ksoftirqd/009:40:010
404993619,5cyclictest9-21ksoftirqd/009:10:150
404993619,5cyclictest9-21ksoftirqd/008:55:110
404993618,8cyclictest9-21ksoftirqd/007:55:130
404993617,7cyclictest9-21ksoftirqd/011:15:220
40499361,2cyclictest0-21swapper/007:30:010
40799353,3cyclictest121rcu_preempt10:05:173
407993531,3cyclictest41-21ksoftirqd/307:35:183
407993530,3cyclictest41-21ksoftirqd/311:25:143
407993530,3cyclictest41-21ksoftirqd/310:20:123
40799351,5cyclictest41-21ksoftirqd/312:37:113
40799351,5cyclictest41-21ksoftirqd/309:33:573
40799351,4cyclictest41-21ksoftirqd/308:09:243
40699354,3cyclictest33-21ksoftirqd/210:50:122
40699354,3cyclictest33-21ksoftirqd/208:31:442
40699353,3cyclictest33-21ksoftirqd/207:45:232
406993532,2cyclictest33-21ksoftirqd/211:00:182
406993531,2cyclictest33-21ksoftirqd/211:20:122
406993531,2cyclictest33-21ksoftirqd/209:35:002
406993530,3cyclictest33-21ksoftirqd/210:00:012
406993530,3cyclictest33-21ksoftirqd/208:20:162
406993530,3cyclictest33-21ksoftirqd/208:05:192
406993530,3cyclictest33-21ksoftirqd/207:32:072
406993529,4cyclictest33-21ksoftirqd/211:53:142
406993529,4cyclictest33-21ksoftirqd/211:25:092
406993529,4cyclictest33-21ksoftirqd/207:25:292
406993529,3cyclictest33-21ksoftirqd/210:55:182
406993524,5cyclictest33-21ksoftirqd/210:30:232
406993521,6cyclictest33-21ksoftirqd/210:20:172
40699351,3cyclictest33-21ksoftirqd/210:29:262
40699350,3cyclictest121rcu_preempt11:45:002
404993531,3cyclictest9-21ksoftirqd/011:30:000
404993531,2cyclictest9-21ksoftirqd/012:14:590
404993531,2cyclictest9-21ksoftirqd/010:30:000
404993531,2cyclictest9-21ksoftirqd/010:20:130
404993531,2cyclictest9-21ksoftirqd/007:15:000
404993530,3cyclictest9-21ksoftirqd/011:20:260
404993530,3cyclictest9-21ksoftirqd/009:25:000
404993530,2cyclictest9-21ksoftirqd/011:55:000
404993529,4cyclictest9-21ksoftirqd/009:44:060
404993529,3cyclictest9-21ksoftirqd/010:05:000
404993528,5cyclictest9-21ksoftirqd/010:19:440
404993528,4cyclictest23280-21cstates09:00:130
40799341,8cyclictest41-21ksoftirqd/309:35:133
406993431,2cyclictest33-21ksoftirqd/208:15:192
406993431,2cyclictest33-21ksoftirqd/208:00:232
406993429,3cyclictest33-21ksoftirqd/212:15:002
406993429,3cyclictest33-21ksoftirqd/209:45:152
406993429,3cyclictest33-21ksoftirqd/209:40:122
406993429,3cyclictest33-21ksoftirqd/207:50:172
40699341,3cyclictest121rcu_preempt08:10:132
404993429,3cyclictest9-21ksoftirqd/007:30:140
404993429,2cyclictest9-21ksoftirqd/012:30:010
404993429,2cyclictest9-21ksoftirqd/011:10:120
404993428,4cyclictest9-21ksoftirqd/010:44:360
40499342,2cyclictest121rcu_preempt12:20:230
40499342,2cyclictest121rcu_preempt10:35:140
404993419,4cyclictest9-21ksoftirqd/011:30:200
404993418,5cyclictest9-21ksoftirqd/012:00:260
404993417,7cyclictest9-21ksoftirqd/011:35:010
406993328,3cyclictest33-21ksoftirqd/211:20:012
40699331,7cyclictest121rcu_preempt12:30:112
40699331,7cyclictest121rcu_preempt12:30:112
404993317,8cyclictest9-21ksoftirqd/010:55:150
404993317,8cyclictest9-21ksoftirqd/010:30:140
404993314,8cyclictest9-21ksoftirqd/012:05:180
406993228,3cyclictest33-21ksoftirqd/209:15:142
404993214,8cyclictest9-21ksoftirqd/009:25:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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