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2025-11-16 - 00:01
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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 all highest latencies:
System rackdslot2.osadl.org (updated Sat Nov 15, 2025 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263452234167,23sleep00-21swapper/007:09:190
242152207173,23sleep30-21swapper/307:05:043
263172206172,23sleep20-21swapper/207:08:572
260592205172,22sleep10-21swapper/107:06:191
13669110163,30phc2sys0-21swapper/307:10:013
212132670,2sleep10-21swapper/112:35:221
26701996223,4cyclictest33-21ksoftirqd/212:00:202
26701995931,3cyclictest33-21ksoftirqd/209:40:192
26702995828,7cyclictest41-21ksoftirqd/307:25:123
26702995828,4cyclictest41-21ksoftirqd/312:05:223
26702995821,4cyclictest41-21ksoftirqd/310:00:283
26702995728,3cyclictest41-21ksoftirqd/310:25:213
26702995627,3cyclictest41-21ksoftirqd/311:05:193
26701995618,8cyclictest33-21ksoftirqd/207:30:292
26702995525,7cyclictest41-21ksoftirqd/309:28:093
26702995525,4cyclictest41-21ksoftirqd/310:55:253
26701995526,4cyclictest33-21ksoftirqd/207:10:272
26701995524,9cyclictest33-21ksoftirqd/209:30:012
26701995523,9cyclictest33-21ksoftirqd/209:05:152
26702995425,7cyclictest41-21ksoftirqd/309:40:173
26702995424,3cyclictest41-21ksoftirqd/309:15:363
26702995422,9cyclictest41-21ksoftirqd/311:35:313
26702995422,6cyclictest41-21ksoftirqd/310:20:183
26702995422,4cyclictest41-21ksoftirqd/310:10:163
26702995420,8cyclictest41-21ksoftirqd/308:05:003
26701995424,9cyclictest33-21ksoftirqd/207:20:162
101262540,1sleep10-21swapper/112:10:271
26702995323,3cyclictest41-21ksoftirqd/311:20:013
26701995326,3cyclictest33-21ksoftirqd/208:55:162
26701995325,3cyclictest33-21ksoftirqd/208:00:212
26701995324,8cyclictest33-21ksoftirqd/209:30:172
26701995323,9cyclictest33-21ksoftirqd/210:45:232
26701995323,7cyclictest33-21ksoftirqd/212:00:002
26701995322,9cyclictest33-21ksoftirqd/208:45:172
26701995321,10cyclictest33-21ksoftirqd/207:40:202
26702995237,2cyclictest41-21ksoftirqd/307:40:183
26702995227,3cyclictest41-21ksoftirqd/311:55:253
26702995226,3cyclictest41-21ksoftirqd/307:37:513
26702995223,10cyclictest41-21ksoftirqd/312:35:183
26702995222,3cyclictest41-21ksoftirqd/312:15:003
26702995213,8cyclictest41-21ksoftirqd/310:30:183
26701995226,4cyclictest33-21ksoftirqd/211:44:472
26701995225,8cyclictest33-21ksoftirqd/207:55:242
26701995225,4cyclictest33-21ksoftirqd/209:35:192
26701995222,9cyclictest33-21ksoftirqd/208:20:192
26701995222,10cyclictest33-21ksoftirqd/211:35:172
26701995217,4cyclictest33-21ksoftirqd/207:52:262
26701995217,3cyclictest33-21ksoftirqd/209:13:342
26701995215,4cyclictest33-21ksoftirqd/211:46:152
26701995214,8cyclictest33-21ksoftirqd/211:02:002
26702995120,4cyclictest41-21ksoftirqd/308:40:233
26701995128,3cyclictest33-21ksoftirqd/207:45:152
26701995126,3cyclictest33-21ksoftirqd/210:08:142
26701995122,9cyclictest33-21ksoftirqd/208:10:272
26701995121,8cyclictest33-21ksoftirqd/210:35:202
26701995121,10cyclictest33-21ksoftirqd/208:05:202
26702995024,3cyclictest41-21ksoftirqd/309:10:273
26702995022,3cyclictest41-21ksoftirqd/308:50:233
26702995020,4cyclictest41-21ksoftirqd/310:15:473
26702995018,4cyclictest41-21ksoftirqd/311:30:223
26702995017,4cyclictest41-21ksoftirqd/308:10:243
26702995017,4cyclictest41-21ksoftirqd/307:20:253
26701995014,3cyclictest33-21ksoftirqd/208:50:152
26702994922,4cyclictest41-21ksoftirqd/307:45:193
26702994921,4cyclictest41-21ksoftirqd/310:00:013
26702994919,4cyclictest41-21ksoftirqd/312:20:153
26702994917,7cyclictest41-21ksoftirqd/311:40:163
26701994922,4cyclictest33-21ksoftirqd/212:15:002
26699994915,4cyclictest9-21ksoftirqd/008:40:140
211592490,2sleep321161-21awk11:25:283
26702994821,4cyclictest41-21ksoftirqd/308:15:243
26702994821,3cyclictest41-21ksoftirqd/310:45:173
26702994820,15cyclictest41-21ksoftirqd/311:45:203
26702994818,4cyclictest41-21ksoftirqd/309:00:213
26702994817,4cyclictest41-21ksoftirqd/310:50:293
26702994817,4cyclictest41-21ksoftirqd/307:50:273
26702994816,3cyclictest41-21ksoftirqd/310:05:183
26701994834,3cyclictest33-21ksoftirqd/208:40:272
26701994820,3cyclictest33-21ksoftirqd/212:30:222
26699994815,5cyclictest9-21ksoftirqd/007:55:280
2670299476,8cyclictest41-21ksoftirqd/310:40:173
2670299476,8cyclictest41-21ksoftirqd/310:40:173
26702994719,4cyclictest41-21ksoftirqd/311:00:173
26702994718,4cyclictest41-21ksoftirqd/309:33:083
26702994717,8cyclictest41-21ksoftirqd/310:35:253
26701994724,11cyclictest33-21ksoftirqd/210:15:152
26701994717,7cyclictest33-21ksoftirqd/209:03:042
26701994713,7cyclictest33-21ksoftirqd/212:07:542
2670299466,7cyclictest41-21ksoftirqd/312:25:263
26702994631,3cyclictest41-21ksoftirqd/308:20:163
26702994627,8cyclictest41-21ksoftirqd/308:30:203
26702994627,10cyclictest41-21ksoftirqd/307:57:493
26702994614,10cyclictest41-21ksoftirqd/308:35:153
26702994613,4cyclictest41-21ksoftirqd/309:45:243
26702994612,8cyclictest41-21ksoftirqd/312:00:253
26702994611,6cyclictest41-21ksoftirqd/311:10:173
26701994630,3cyclictest33-21ksoftirqd/210:20:202
26701994626,3cyclictest33-21ksoftirqd/211:25:242
26701994625,9cyclictest33-21ksoftirqd/208:15:192
26701994618,9cyclictest33-21ksoftirqd/210:00:192
26701994618,8cyclictest33-21ksoftirqd/212:15:152
26701994618,8cyclictest33-21ksoftirqd/209:55:142
26701994610,3cyclictest33-21ksoftirqd/211:15:242
26702994524,11cyclictest41-21ksoftirqd/307:15:213
26702994514,3cyclictest41-21ksoftirqd/309:05:193
26702994511,5cyclictest41-21ksoftirqd/311:50:173
2670199456,7cyclictest33-21ksoftirqd/210:55:422
26701994527,6cyclictest33-21ksoftirqd/210:55:012
26701994516,4cyclictest33-21ksoftirqd/210:12:162
26701994515,4cyclictest33-21ksoftirqd/208:35:162
26700994540,3cyclictest2607-21cron08:35:001
26702994431,6cyclictest41-21ksoftirqd/309:21:383
26702994427,8cyclictest41-21ksoftirqd/307:30:153
26702994425,8cyclictest41-21ksoftirqd/312:15:183
2670199446,9cyclictest33-21ksoftirqd/212:35:182
2670199445,3cyclictest33-21ksoftirqd/209:50:232
26701994425,10cyclictest33-21ksoftirqd/209:20:292
26701994416,9cyclictest33-21ksoftirqd/207:15:272
26702994330,3cyclictest41-21ksoftirqd/308:05:143
26702994329,2cyclictest41-21ksoftirqd/309:50:143
2670299432,8cyclictest41-21ksoftirqd/308:45:153
26702994314,14cyclictest41-21ksoftirqd/308:29:473
26701994321,6cyclictest33-21ksoftirqd/212:25:012
26701994315,9cyclictest33-21ksoftirqd/210:25:172
2670299424,3cyclictest121rcu_preempt12:30:213
26702994224,8cyclictest41-21ksoftirqd/308:55:193
26701994222,12cyclictest33-21ksoftirqd/211:10:152
2670199421,5cyclictest0-21swapper/207:35:152
26701994215,3cyclictest33-21ksoftirqd/210:41:242
26701994215,3cyclictest33-21ksoftirqd/210:41:242
2669999427,6cyclictest9-21ksoftirqd/009:35:000
26699994223,8cyclictest9-21ksoftirqd/009:28:550
2669999420,3cyclictest121rcu_preempt11:00:000
26702994129,3cyclictest41-21ksoftirqd/309:35:143
2670199417,3cyclictest33-21ksoftirqd/207:28:312
26701994128,3cyclictest33-21ksoftirqd/211:50:292
26701994127,2cyclictest33-21ksoftirqd/208:25:162
26701994126,3cyclictest33-21ksoftirqd/208:30:572
2670199404,2cyclictest121rcu_preempt11:22:122
2670199402,6cyclictest33-21ksoftirqd/212:25:142
26701994025,3cyclictest33-21ksoftirqd/209:15:192
26702993924,4cyclictest41-21ksoftirqd/311:20:203
2670199392,9cyclictest33-21ksoftirqd/209:45:172
26701993922,9cyclictest33-21ksoftirqd/211:05:202
26701993820,9cyclictest33-21ksoftirqd/211:35:002
2670199380,5cyclictest0-21swapper/210:30:152
26699993823,5cyclictest9-21ksoftirqd/008:35:240
26699993822,4cyclictest9-21ksoftirqd/010:05:220
26699993723,5cyclictest9-21ksoftirqd/008:34:560
26699993720,5cyclictest9-21ksoftirqd/007:50:140
2669999366,8cyclictest9-21ksoftirqd/008:30:000
26699993621,5cyclictest9-21ksoftirqd/008:10:170
26699993620,4cyclictest9-21ksoftirqd/011:25:000
2669999358,11cyclictest9-21ksoftirqd/009:40:000
2669999357,4cyclictest9-21ksoftirqd/007:35:000
2669999356,8cyclictest9-21ksoftirqd/012:40:000
2669999353,6cyclictest121rcu_preempt10:11:530
26699993521,5cyclictest9-21ksoftirqd/007:35:200
26699993521,4cyclictest9-21ksoftirqd/011:05:310
26699993519,5cyclictest9-21ksoftirqd/012:25:180
26699993518,5cyclictest9-21ksoftirqd/007:45:000
26699993517,5cyclictest9-21ksoftirqd/009:14:590
2669999346,6cyclictest9-21ksoftirqd/007:15:260
2669999344,2cyclictest121rcu_preempt11:45:220
26699993429,3cyclictest9-21ksoftirqd/007:30:010
26699993429,2cyclictest9-21ksoftirqd/010:40:160
26699993429,2cyclictest9-21ksoftirqd/010:40:160
26699993428,4cyclictest9-21ksoftirqd/007:49:450
26699993420,4cyclictest9-21ksoftirqd/011:55:140
26699993410,5cyclictest9-21ksoftirqd/012:20:000
2669999337,3cyclictest9-21ksoftirqd/010:20:260
2669999336,3cyclictest9-21ksoftirqd/009:40:160
2669999336,3cyclictest9-21ksoftirqd/007:20:270
2669999333,6cyclictest9-21ksoftirqd/008:15:210
2669999333,2cyclictest121rcu_preempt10:30:120
26699993329,3cyclictest9-21ksoftirqd/009:50:000
26699993328,3cyclictest9-21ksoftirqd/010:45:230
26699993328,3cyclictest9-21ksoftirqd/010:00:000
26699993321,4cyclictest9-21ksoftirqd/008:50:150
2669999331,8cyclictest9-21ksoftirqd/012:15:000
26699993318,4cyclictest9-21ksoftirqd/011:00:270
26699993318,4cyclictest9-21ksoftirqd/008:20:160
26699993317,4cyclictest9-21ksoftirqd/012:20:260
26700993226,4cyclictest25-21ksoftirqd/112:24:321
26700993226,4cyclictest25-21ksoftirqd/110:24:561
26700993226,4cyclictest25-21ksoftirqd/109:56:481
26700993226,4cyclictest25-21ksoftirqd/109:21:541
26700993226,4cyclictest25-21ksoftirqd/109:16:491
26700993226,4cyclictest25-21ksoftirqd/108:05:111
2669999326,2cyclictest9-21ksoftirqd/012:00:210
2669999326,2cyclictest121rcu_preempt11:35:260
2669999325,3cyclictest121rcu_preempt10:15:230
2669999324,3cyclictest9-21ksoftirqd/011:45:000
2669999324,3cyclictest121rcu_preempt11:20:000
26699993227,3cyclictest9-21ksoftirqd/009:05:000
26699993226,4cyclictest9-21ksoftirqd/011:34:390
2669999322,5cyclictest9-21ksoftirqd/009:50:230
26699993223,3cyclictest9-21ksoftirqd/010:00:300
2669999322,2cyclictest121rcu_preempt10:35:240
26699993220,4cyclictest9-21ksoftirqd/008:00:220
2669999321,6cyclictest9-21ksoftirqd/011:50:350
26699993214,10cyclictest9-21ksoftirqd/010:25:220
26700993125,4cyclictest25-21ksoftirqd/111:09:491
26700993125,4cyclictest25-21ksoftirqd/110:55:371
26700993125,4cyclictest25-21ksoftirqd/109:10:351
26700993125,4cyclictest25-21ksoftirqd/108:14:251
26700993125,4cyclictest25-21ksoftirqd/108:00:101
26700993125,4cyclictest25-21ksoftirqd/107:13:491
2669999317,3cyclictest9-21ksoftirqd/008:05:260
2669999316,6cyclictest9-21ksoftirqd/009:09:590
26699993127,3cyclictest9-21ksoftirqd/010:50:180
26699993115,5cyclictest9-21ksoftirqd/011:25:150
26699993115,5cyclictest9-21ksoftirqd/011:10:270
26700993025,3cyclictest25-21ksoftirqd/109:31:191
26700993025,3cyclictest25-21ksoftirqd/108:47:081
26700993024,4cyclictest25-21ksoftirqd/112:28:531
26700993024,4cyclictest25-21ksoftirqd/110:35:401
26700993024,4cyclictest25-21ksoftirqd/109:44:011
26700993024,4cyclictest25-21ksoftirqd/108:35:451
2669999308,3cyclictest9-21ksoftirqd/009:15:160
2669999305,6cyclictest9-21ksoftirqd/007:15:000
26699993026,2cyclictest9-21ksoftirqd/012:05:140
26699993026,2cyclictest9-21ksoftirqd/009:20:210
26699993013,5cyclictest9-21ksoftirqd/008:45:220
26700992924,3cyclictest25-21ksoftirqd/111:21:081
26700992924,3cyclictest25-21ksoftirqd/107:56:591
26700992923,4cyclictest25-21ksoftirqd/112:08:341
26700992923,4cyclictest25-21ksoftirqd/111:42:261
26700992923,4cyclictest25-21ksoftirqd/111:34:531
26700992923,4cyclictest25-21ksoftirqd/111:20:011
26700992923,4cyclictest25-21ksoftirqd/110:13:241
26700992923,4cyclictest25-21ksoftirqd/108:15:351
2669999292,3cyclictest9-21ksoftirqd/008:55:230
26700992823,3cyclictest25-21ksoftirqd/110:48:361
26700992823,3cyclictest25-21ksoftirqd/110:33:591
26700992823,3cyclictest25-21ksoftirqd/110:00:501
26700992823,3cyclictest25-21ksoftirqd/109:29:271
26700992822,4cyclictest25-21ksoftirqd/111:52:571
26700992822,4cyclictest25-21ksoftirqd/108:24:581
26700992822,4cyclictest25-21ksoftirqd/107:38:081
2669999281,5cyclictest9-21ksoftirqd/012:30:190
26700992722,3cyclictest25-21ksoftirqd/111:48:391
26700992722,3cyclictest25-21ksoftirqd/111:15:001
26700992722,3cyclictest25-21ksoftirqd/110:52:441
26700992722,3cyclictest25-21ksoftirqd/107:17:331
26700992721,4cyclictest25-21ksoftirqd/112:19:101
26700992721,4cyclictest25-21ksoftirqd/111:39:311
26700992721,4cyclictest25-21ksoftirqd/107:23:271
26700992621,3cyclictest25-21ksoftirqd/112:03:111
26700992621,3cyclictest25-21ksoftirqd/111:03:511
26700992621,3cyclictest25-21ksoftirqd/110:44:341
26700992621,3cyclictest25-21ksoftirqd/110:44:341
26700992621,3cyclictest25-21ksoftirqd/108:50:371
26700992620,4cyclictest25-21ksoftirqd/109:07:181
26700992520,3cyclictest25-21ksoftirqd/111:28:041
26700992520,3cyclictest25-21ksoftirqd/108:56:291
26700992520,3cyclictest25-21ksoftirqd/107:51:411
26700992520,3cyclictest25-21ksoftirqd/107:49:111
26700992520,3cyclictest25-21ksoftirqd/107:43:411
26700992519,4cyclictest25-21ksoftirqd/112:34:461
26700992519,4cyclictest25-21ksoftirqd/109:04:091
26700992419,3cyclictest25-21ksoftirqd/111:58:031
26700992419,3cyclictest25-21ksoftirqd/110:18:131
26700992418,4cyclictest25-21ksoftirqd/108:43:031
26700992317,4cyclictest25-21ksoftirqd/110:29:331
26700992217,3cyclictest25-21ksoftirqd/110:06:171
26700992217,3cyclictest25-21ksoftirqd/109:52:271
26700992217,3cyclictest25-21ksoftirqd/108:26:181
26700992216,4cyclictest25-21ksoftirqd/109:38:351
26700992114,4cyclictest4521-21df09:45:151
26700992015,3cyclictest2843-21rt-features07:25:251
26700991914,3cyclictest25-21ksoftirqd/107:30:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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