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2025-12-09 - 05:58
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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 rackcslot6.osadl.org (updated Tue Dec 09, 2025 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304124521060,3sleep549-21ksoftirqd/519:05:135
3043754999318,45cyclictest0-21swapper/400:28:154
3043775999229,34cyclictest0-21swapper/721:23:157
304347928442,13sleep20-21swapper/219:09:062
3043775998315,37cyclictest0-21swapper/719:43:157
3043762998315,38cyclictest0-21swapper/520:48:165
3043775998216,36cyclictest0-21swapper/720:03:167
3043762998216,36cyclictest0-21swapper/520:38:155
3043762998215,38cyclictest0-21swapper/521:33:155
3043762998215,36cyclictest0-21swapper/519:28:155
3043762998215,36cyclictest0-21swapper/519:28:155
3043762998116,35cyclictest0-21swapper/520:13:165
3043762998115,35cyclictest0-21swapper/522:33:155
304322728141,27sleep00-21swapper/019:05:330
3043762998025,36cyclictest0-21swapper/521:48:165
3043762998015,36cyclictest0-21swapper/500:03:165
33580822780,0sleep00-21swapper/000:20:220
31600042780,0sleep00-21swapper/021:40:570
31503232770,2sleep763-21ksoftirqd/721:34:567
32185042760,0sleep20-21swapper/222:29:372
304327727446,14sleep40-21swapper/419:06:184
32729652730,2sleep010-21ksoftirqd/023:12:380
304372199738,35cyclictest0-21swapper/019:53:160
33477662720,0sleep10-21swapper/100:12:531
32864132720,0sleep00-21swapper/023:24:060
304324827045,12sleep30-21swapper/319:05:523
304336226943,13sleep70-21swapper/719:07:267
304082226942,13sleep60-21swapper/619:05:076
31084872670,0sleep50-21swapper/520:50:175
304349826647,13sleep10-21swapper/119:09:211
3043762996334,29cyclictest0-21swapper/500:18:165
30571472610,0sleep70-21swapper/719:30:017
30571472610,0sleep70-21swapper/719:30:007
3043721994516,29cyclictest0-21swapper/023:28:150
3043721994117,24cyclictest0-21swapper/019:18:160
3043747993511,24cyclictest0-21swapper/320:15:593
304377599339,24cyclictest0-21swapper/721:47:587
304375499328,24cyclictest0-21swapper/419:43:584
304373899328,24cyclictest0-21swapper/200:11:582
304377599317,24cyclictest0-21swapper/722:49:597
3043729993115,15cyclictest0-21swapper/119:23:151
304377099306,24cyclictest0-21swapper/621:19:596
3043762993014,15cyclictest0-21swapper/519:38:155
3043729993014,15cyclictest0-21swapper/120:28:161
304372199306,24cyclictest0-21swapper/000:32:590
3043775992913,15cyclictest0-21swapper/723:58:167
3043762992914,15cyclictest0-21swapper/519:48:165
3043738992913,15cyclictest0-21swapper/220:23:152
3043729992913,15cyclictest0-21swapper/121:28:161
3043729992913,15cyclictest0-21swapper/100:38:161
3043721992913,15cyclictest0-21swapper/021:08:160
304377599286,12cyclictest63-21ksoftirqd/722:53:167
304377599284,24cyclictest0-21swapper/721:15:587
3043754992811,16cyclictest3304411-21ssh23:38:154
3043729992711,15cyclictest0-21swapper/121:18:161
3043729992711,15cyclictest0-21swapper/119:33:161
32289282260,0sleep549-21ksoftirqd/522:36:465
32029072260,1sleep6551rcuc/622:15:236
30889092260,0sleep50-21swapper/520:20:125
304377599262,24cyclictest0-21swapper/722:28:587
3043775992610,15cyclictest0-21swapper/723:03:157
304375499269,16cyclictest0-21swapper/423:48:154
304375499269,16cyclictest0-21swapper/423:48:154
304373899262,24cyclictest0-21swapper/223:04:592
3043729992610,15cyclictest0-21swapper/120:08:151
3043729992610,15cyclictest0-21swapper/119:58:161
304372199262,24cyclictest0-21swapper/022:04:580
304372199262,24cyclictest0-21swapper/021:30:580
304377599259,15cyclictest0-21swapper/720:18:157
304377599259,15cyclictest0-21swapper/700:08:157
3043770992525,0cyclictest0-21swapper/621:20:206
304375499251,24cyclictest0-21swapper/420:55:594
304375499251,24cyclictest0-21swapper/420:55:584
33084482240,1sleep73308451-21timerwakeupswit23:40:237
32779432240,0sleep121-21ksoftirqd/123:15:511
3043770992423,1cyclictest0-21swapper/623:54:086
304377099240,24cyclictest0-21swapper/621:32:596
304375499248,15cyclictest0-21swapper/421:53:154
304372999248,15cyclictest0-21swapper/120:43:161
33067792230,0sleep50-21swapper/523:40:145
304377599237,15cyclictest0-21swapper/722:18:167
3043775992322,1cyclictest2107-21gnome-shell20:48:587
304376299237,15cyclictest0-21swapper/522:13:165
304376299236,16cyclictest0-21swapper/523:13:155
3043738992322,1cyclictest2107-21gnome-shell23:18:582
3043738992322,1cyclictest2107-21gnome-shell21:40:592
3043738992322,1cyclictest2107-21gnome-shell00:01:592
33160302220,0sleep20-21swapper/223:47:072
33160302220,0sleep20-21swapper/223:47:072
304377599220,0cyclictest0-21swapper/721:56:227
3043770992221,1cyclictest2107-21gnome-shell20:07:586
3043770992220,1cyclictest2107-21gnome-shell21:53:596
304372199226,15cyclictest0-21swapper/022:48:150
216999220,0rtkit-daemon0-21swapper/022:54:474
3043775992120,1cyclictest63-21ksoftirqd/719:10:217
3043775992120,1cyclictest2107-21gnome-shell21:43:597
3043770992120,1cyclictest0-21swapper/622:08:156
3043754992111,5cyclictest986-21runrttasks22:34:524
3043721992121,0cyclictest2107-21gnome-shell19:28:590
3043721992121,0cyclictest2107-21gnome-shell19:28:580
3043721992121,0cyclictest0-21swapper/023:17:320
31980952200,0sleep00-21swapper/022:12:050
304377099204,8cyclictest0-21swapper/600:00:176
3043770992019,1cyclictest2107-21gnome-shell22:20:596
3043770992019,1cyclictest2107-21gnome-shell22:20:596
3043754992019,1cyclictest42-21ksoftirqd/422:09:054
3043754992018,1cyclictest2107-21gnome-shell20:20:584
3043747992020,0cyclictest0-21swapper/322:08:073
3043738992019,1cyclictest2107-21gnome-shell22:45:582
3043729992019,1cyclictest21-21ksoftirqd/122:23:151
3043729992019,1cyclictest21-21ksoftirqd/122:23:151
216999200,10rtkit-daemon0-21swapper/022:23:400
216999200,10rtkit-daemon0-21swapper/022:23:390
32632642190,0sleep60-21swapper/623:05:156
304377599193,15cyclictest0-21swapper/722:03:167
3043754991919,0cyclictest0-21swapper/421:08:584
3043738991911,6cyclictest823-21earlyoom22:04:482
3043729991919,0cyclictest0-21swapper/122:17:591
31205932180,1sleep335-21ksoftirqd/321:10:173
30928502180,0sleep50-21swapper/520:25:165
3043775991818,0cyclictest0-21swapper/721:37:597
3043775991818,0cyclictest0-21swapper/720:32:587
304377099189,9cyclictest0-21swapper/622:58:156
304377099187,11cyclictest0-21swapper/622:28:156
304377099181,7cyclictest0-21swapper/622:38:156
3043770991817,1cyclictest56-21ksoftirqd/600:22:576
3043770991817,1cyclictest2107-21gnome-shell20:42:586
3043770991812,6cyclictest0-21swapper/623:33:156
3043770991812,6cyclictest0-21swapper/620:58:166
3043770991812,6cyclictest0-21swapper/620:58:166
3043770991811,7cyclictest0-21swapper/623:43:156
304377099181,17cyclictest0-21swapper/621:58:166
3043770991811,7cyclictest0-21swapper/621:13:166
304377099180,18cyclictest0-21swapper/623:18:166
304376299182,14cyclictest0-21swapper/500:33:155
3043762991818,0cyclictest0-21swapper/523:25:585
3043762991817,1cyclictest49-21ksoftirqd/522:08:055
304375499182,15cyclictest0-21swapper/400:13:154
304374799182,15cyclictest0-21swapper/321:43:153
3043738991816,1cyclictest3121774-21grep21:10:232
3043729991818,0cyclictest0-21swapper/120:58:481
3043729991818,0cyclictest0-21swapper/120:58:471
3043729991817,1cyclictest2107-21gnome-shell22:44:581
3043729991817,1cyclictest0-21swapper/120:10:581
31499022170,2sleep335-21ksoftirqd/321:34:193
3043775991717,0cyclictest0-21swapper/722:36:587
3043775991716,1cyclictest2107-21gnome-shell22:57:597
3043775991716,1cyclictest2107-21gnome-shell20:27:587
3043770991716,1cyclictest2107-21gnome-shell23:59:586
3043770991715,1cyclictest56-21ksoftirqd/623:13:316
3043770991714,2cyclictest0-21swapper/623:02:086
3043754991716,1cyclictest42-21ksoftirqd/422:46:394
304373899171,15cyclictest0-21swapper/220:53:162
3043729991716,1cyclictest2107-21gnome-shell00:15:581
3043729991716,1cyclictest0-21swapper/121:03:161
304372999171,2cyclictest121rcu_preempt22:26:411
304372199171,12cyclictest0-21swapper/023:07:110
216999170,1rtkit-daemon2168-21rtkit-daemon23:44:130
32681052160,0sleep10-21swapper/123:09:331
3043775991616,0cyclictest0-21swapper/719:17:587
3043775991615,1cyclictest2107-21gnome-shell21:27:587
3043775991614,1cyclictest63-21ksoftirqd/723:18:287
3043770991613,2cyclictest0-21swapper/619:53:016
3043762991614,1cyclictest0-21swapper/500:12:255
304373899160,9cyclictest0-21swapper/223:23:152
304372999163,1cyclictest121rcu_preempt21:47:131
304372999161,1cyclictest121rcu_preempt23:36:461
216999160,2rtkit-daemon823-21earlyoom21:20:160
304377599157,5cyclictest587-21systemd-journal20:10:007
304377599152,13cyclictest2061775-21kworker/7:119:48:207
3043775991515,0cyclictest0-21swapper/719:32:487
304377599150,0cyclictest0-21swapper/700:16:527
3043770991515,0cyclictest0-21swapper/622:48:586
3043754991514,1cyclictest42-21ksoftirqd/400:17:414
304375499150,15cyclictest0-21swapper/421:04:594
304375499150,14cyclictest0-21swapper/400:34:184
304375499150,0cyclictest0-21swapper/419:58:594
3043729991515,0cyclictest0-21swapper/123:13:581
3043729991514,1cyclictest2107-21gnome-shell20:24:591
304372999150,15cyclictest0-21swapper/120:38:591
3043721991514,1cyclictest2107-21gnome-shell20:57:590
3043721991514,1cyclictest2107-21gnome-shell20:57:580
3043721991511,3cyclictest891-21gdbus00:10:000
33128602140,0sleep00-21swapper/023:45:140
33128602140,0sleep00-21swapper/023:45:130
33091222140,0sleep10-21swapper/123:41:061
304377599143,9cyclictest2107-21gnome-shell23:32:597
304377599142,11cyclictest3332369-21smartctl00:00:187
3043775991413,1cyclictest63-21ksoftirqd/723:48:097
3043775991413,1cyclictest63-21ksoftirqd/723:48:097
3043775991413,1cyclictest2107-21gnome-shell20:59:597
3043775991413,1cyclictest2107-21gnome-shell20:59:587
3043775991412,1cyclictest63-21ksoftirqd/721:51:367
304377599140,14cyclictest0-21swapper/722:05:307
304377099148,3cyclictest0-21swapper/623:49:026
304377099148,3cyclictest0-21swapper/623:49:026
304377099147,5cyclictest0-21swapper/621:35:356
304377099147,3cyclictest0-21swapper/600:31:216
3043770991413,1cyclictest0-21swapper/623:38:416
3043770991413,1cyclictest0-21swapper/622:13:196
304376299141,7cyclictest937-21lldpd23:01:435
3043754991413,1cyclictest3133715-21modprobe21:20:194
3043754991413,1cyclictest3119272-21diskmemload22:28:084
304374799140,14cyclictest0-21swapper/319:45:073
3043738991412,1cyclictest31543152sleep221:36:432
304372999143,1cyclictest121rcu_preempt23:02:451
304372999141,2cyclictest121rcu_preempt22:59:391
304372999141,1cyclictest121rcu_preempt23:56:481
304372999140,1cyclictest121rcu_preempt22:12:451
304372999140,13cyclictest0-21swapper/119:13:151
304372199142,1cyclictest121rcu_preempt22:50:470
304372199141,10cyclictest0-21swapper/020:33:150
304372199140,0cyclictest0-21swapper/021:55:260
216999140,0rtkit-daemon0-21swapper/023:51:404
33803922130,0sleep50-21swapper/500:39:265
33778942130,1sleep40-21swapper/400:35:574
33549952130,1sleep30-21swapper/300:19:143
32709882130,0sleep20-21swapper/223:10:222
31743252130,1sleep13119272-21diskmemload21:53:401
3043775991313,0cyclictest0-21swapper/723:06:377
3043775991312,1cyclictest63-21ksoftirqd/723:28:147
3043775991312,1cyclictest63-21ksoftirqd/719:20:127
3043775991312,1cyclictest63-21ksoftirqd/700:35:247
3043775991312,1cyclictest63-21ksoftirqd/700:32:147
3043775991310,1cyclictest63-21ksoftirqd/722:34:427
304377599130,13cyclictest0-21swapper/723:53:487
304377599130,13cyclictest0-21swapper/721:12:577
304377599130,0cyclictest0-21swapper/722:10:217
304377099137,3cyclictest0-21swapper/621:40:406
304377099136,3cyclictest3119272-21diskmemload23:27:206
304377099133,9cyclictest0-21swapper/621:00:166
3043770991313,0cyclictest0-21swapper/620:02:586
3043770991312,1cyclictest0-21swapper/622:31:336
3043770991312,1cyclictest0-21swapper/621:48:176
304376299133,7cyclictest937-21lldpd21:18:585
304376299133,1cyclictest0-21swapper/520:55:185
304376299133,1cyclictest0-21swapper/520:55:185
3043762991313,0cyclictest0-21swapper/523:45:445
3043762991313,0cyclictest0-21swapper/523:45:445
3043762991313,0cyclictest0-21swapper/523:23:275
3043762991313,0cyclictest0-21swapper/521:26:035
3043762991312,1cyclictest3119272-21diskmemload22:17:075
304376299130,13cyclictest0-21swapper/523:58:255
304376299130,13cyclictest0-21swapper/523:30:575
304376299130,13cyclictest0-21swapper/522:57:175
304376299130,13cyclictest0-21swapper/521:37:555
304376299130,13cyclictest0-21swapper/521:23:565
304376299130,12cyclictest0-21swapper/519:54:595
304376299130,0cyclictest0-21swapper/500:25:445
304375499134,8cyclictest0-21swapper/421:15:274
3043754991313,0cyclictest0-21swapper/423:41:474
3043754991313,0cyclictest0-21swapper/419:28:564
3043754991313,0cyclictest0-21swapper/419:28:554
3043754991312,1cyclictest42-21ksoftirqd/421:11:544
3043754991312,1cyclictest0-21swapper/422:56:154
304375499130,13cyclictest0-21swapper/422:20:204
304375499130,13cyclictest0-21swapper/422:20:194
304375499130,13cyclictest0-21swapper/421:39:504
304375499130,0cyclictest0-21swapper/423:24:144
304375499130,0cyclictest0-21swapper/421:44:434
304374799130,13cyclictest0-21swapper/322:30:153
3043738991313,0cyclictest0-21swapper/222:09:292
3043738991312,1cyclictest2107-21gnome-shell21:19:582
304373899130,13cyclictest0-21swapper/223:58:072
304373899130,13cyclictest0-21swapper/223:53:522
304373899130,13cyclictest0-21swapper/223:36:192
304373899130,13cyclictest0-21swapper/221:24:162
3043729991313,0cyclictest0-21swapper/122:34:041
304372999130,1cyclictest121rcu_preempt23:21:221
304372999130,13cyclictest0-21swapper/123:45:091
304372999130,13cyclictest0-21swapper/123:45:081
304372999130,13cyclictest0-21swapper/123:34:331
304372999130,13cyclictest0-21swapper/122:36:511
304372199133,5cyclictest3298748-21kworker/0:100:00:150
304372199133,3cyclictest0-21swapper/021:25:180
3043721991312,1cyclictest0-21swapper/000:10:040
304372199130,0cyclictest0-21swapper/022:18:310
216999130,0rtkit-daemon0-21swapper/422:34:410
33054712120,0sleep30-21swapper/323:39:483
32304482120,1sleep00-21swapper/022:38:570
3043775991212,0cyclictest0-21swapper/723:22:057
3043775991212,0cyclictest0-21swapper/722:40:587
3043775991212,0cyclictest0-21swapper/722:21:367
3043775991212,0cyclictest0-21swapper/722:21:357
3043775991211,1cyclictest63-21ksoftirqd/700:25:587
304377599121,11cyclictest2061775-21kworker/7:120:52:167
304377599120,12cyclictest0-21swapper/719:50:117
304377099127,4cyclictest0-21swapper/622:54:496
304377099127,4cyclictest0-21swapper/622:40:306
304377099127,4cyclictest0-21swapper/600:14:296
304377099126,3cyclictest3119272-21diskmemload23:23:296
3043770991212,0cyclictest0-21swapper/620:48:006
3043770991211,1cyclictest0-21swapper/600:16:256
304377099120,0cyclictest0-21swapper/621:25:126
3043762991212,0cyclictest0-21swapper/520:30:265
3043762991212,0cyclictest0-21swapper/519:43:385
304376299120,1cyclictest0-21swapper/522:03:025
304376299120,12cyclictest0-21swapper/523:19:435
304376299120,12cyclictest0-21swapper/523:06:245
304376299120,12cyclictest0-21swapper/521:00:135
3043754991212,0cyclictest0-21swapper/421:58:414
3043754991212,0cyclictest0-21swapper/421:27:584
3043754991211,1cyclictest0-21swapper/423:12:214
3043754991211,1cyclictest0-21swapper/422:42:564
304374799126,5cyclictest829-21irqbalance21:21:463
304374799126,5cyclictest3055507-21perl19:25:153
304374799126,5cyclictest3055507-21perl19:25:153
304374799120,12cyclictest0-21swapper/322:53:483
304374799120,12cyclictest0-21swapper/321:53:013
3043738991212,0cyclictest0-21swapper/222:40:222
3043738991212,0cyclictest0-21swapper/221:52:042
3043738991212,0cyclictest0-21swapper/200:05:452
304373899120,1cyclictest0-21swapper/223:40:332
304373899120,12cyclictest0-21swapper/222:21:212
304373899120,12cyclictest0-21swapper/222:21:202
304373899120,12cyclictest0-21swapper/221:27:022
304373899120,12cyclictest0-21swapper/200:38:352
304373899120,0cyclictest0-21swapper/222:14:222
3043729991212,0cyclictest0-21swapper/123:26:071
3043729991212,0cyclictest0-21swapper/121:43:311
3043729991212,0cyclictest0-21swapper/100:09:021
3043729991212,0cyclictest0-21swapper/100:02:021
3043729991211,1cyclictest2107-21gnome-shell00:23:581
3043729991211,1cyclictest0-21swapper/121:56:501
304372999120,12cyclictest0-21swapper/119:39:561
3043721991212,0cyclictest0-21swapper/021:12:010
3043721991211,1cyclictest0-21swapper/023:30:190
3043721991211,1cyclictest0-21swapper/021:35:050
216999120,8rtkit-daemon2168-21rtkit-daemon21:54:330
216999120,1rtkit-daemon817-21avahi-daemon19:16:004
216999120,1rtkit-daemon2168-21rtkit-daemon20:06:480
216999120,0rtkit-daemon0-21swapper/421:48:134
216999120,0rtkit-daemon0-21swapper/421:45:560
216999120,0rtkit-daemon0-21swapper/400:36:150
33226772110,2sleep30-21swapper/323:52:463
30977332110,0sleep30-21swapper/320:35:003
304377599112,7cyclictest621rcuc/700:11:147
3043775991111,0cyclictest0-21swapper/723:36:537
3043775991111,0cyclictest0-21swapper/700:23:127
3043775991110,1cyclictest63-21ksoftirqd/723:10:147
3043775991110,1cyclictest63-21ksoftirqd/720:35:187
304377099119,2cyclictest0-21swapper/600:06:036
304377099114,5cyclictest0-21swapper/619:55:206
304377099113,5cyclictest0-21swapper/600:28:396
3043770991111,0cyclictest0-21swapper/600:36:456
3043770991110,1cyclictest56-21ksoftirqd/619:28:026
3043770991110,1cyclictest56-21ksoftirqd/619:28:026
3043770991110,1cyclictest0-21swapper/620:34:096
304377099110,11cyclictest0-21swapper/621:08:276
304377099110,11cyclictest0-21swapper/620:24:436
3043762991111,0cyclictest0-21swapper/521:58:155
3043762991111,0cyclictest0-21swapper/521:40:035
3043762991111,0cyclictest0-21swapper/521:10:365
3043762991111,0cyclictest0-21swapper/520:16:085
3043762991111,0cyclictest0-21swapper/500:05:255
304375499112,4cyclictest121rcu_preempt23:28:484
3043754991111,0cyclictest0-21swapper/422:10:334
3043754991111,0cyclictest0-21swapper/422:03:354
3043754991111,0cyclictest0-21swapper/419:34:184
3043754991110,1cyclictest0-21swapper/421:30:054
304374799113,5cyclictest823-21earlyoom22:27:553
304374799112,6cyclictest3046830-21munin-node20:54:103
304374799111,6cyclictest901-21NetworkManager21:19:323
3043747991111,0cyclictest0-21swapper/323:49:073
3043747991111,0cyclictest0-21swapper/323:49:073
3043747991111,0cyclictest0-21swapper/323:11:043
3043747991111,0cyclictest0-21swapper/321:37:523
3043747991111,0cyclictest0-21swapper/321:25:313
3043747991111,0cyclictest0-21swapper/300:35:163
304374799110,11cyclictest0-21swapper/323:16:343
304374799110,11cyclictest0-21swapper/321:07:383
304374799110,11cyclictest0-21swapper/319:41:073
304374799110,11cyclictest0-21swapper/300:21:283
304373899111,9cyclictest3053959-21kworker/2:022:56:502
304373899111,1cyclictest121rcu_preempt22:36:482
3043738991111,0cyclictest0-21swapper/222:31:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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