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2026-05-11 - 15:04
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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 rack6slot0.osadl.org (updated Mon May 11, 2026 13:03:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9323992071,2cyclictest0-21swapper/107:10:281
9323992071,2cyclictest0-21swapper/107:10:271
9323992030,4cyclictest17484-21nfsd07:40:511
9323992001,4cyclictest17484-21nfsd07:34:421
9323992001,4cyclictest17484-21nfsd07:34:421
9323991981,3cyclictest0-21swapper/107:15:261
9323991981,3cyclictest0-21swapper/107:15:261
93329919524,161cyclictest0-21swapper/910:30:1539
93329919524,161cyclictest0-21swapper/910:30:1539
9323991912,5cyclictest2456-21CPU1
9323991912,5cyclictest2456-21CPU1
9323991891,3cyclictest0-21swapper/107:24:411
9323991891,3cyclictest0-21swapper/107:24:411
934799188150,28cyclictest0-21swapper/2107:10:0214
934799188150,28cyclictest0-21swapper/2107:10:0214
9323991881,2cyclictest0-21swapper/107:46:331
93659918778,98cyclictest0-21swapper/3610:50:1230
93659918778,98cyclictest0-21swapper/3610:50:1230
93659918778,98cyclictest0-21swapper/3610:50:1230
93659918778,98cyclictest0-21swapper/3610:50:1130
933199184179,3cyclictest0-21swapper/811:36:0938
933199184179,3cyclictest0-21swapper/811:36:0938
932499184169,7cyclictest0-21swapper/211:24:0112
932499184169,7cyclictest0-21swapper/211:24:0112
932499184169,7cyclictest0-21swapper/211:24:0112
9328991832,126cyclictest1442-21gdbus10:07:3635
9328991832,126cyclictest1442-21gdbus10:07:3635
9328991832,126cyclictest1442-21gdbus10:07:3635
93329918260,114cyclictest0-21swapper/911:40:2539
93329918260,114cyclictest0-21swapper/911:40:2539
933399181157,14cyclictest0-21swapper/1010:19:132
933399181157,14cyclictest0-21swapper/1010:19:132
932899180146,30cyclictest372-21kswapd012:37:2835
932899180146,30cyclictest372-21kswapd012:37:2835
932899180146,30cyclictest372-21kswapd012:37:2835
936899179166,11cyclictest0-21swapper/3911:06:0233
936899179166,11cyclictest0-21swapper/3911:06:0233
934399179129,37cyclictest0-21swapper/1710:40:229
934399179129,37cyclictest0-21swapper/1710:40:229
9323991780,2cyclictest0-21swapper/107:27:001
9323991780,2cyclictest0-21swapper/107:26:591
933299177104,58cyclictest17482-21nfsd09:40:2739
933299177104,58cyclictest17482-21nfsd09:40:2739
933299176128,40cyclictest4408-21CPU39
933299176128,40cyclictest4408-21CPU39
933299176128,40cyclictest4408-21CPU39
932699176149,24cyclictest34093-21kworker/u81:4+events_unbound12:25:1334
932699176149,24cyclictest34093-21kworker/u81:4+events_unbound12:25:1334
932499175107,29cyclictest0-21swapper/211:58:0712
932499175107,29cyclictest0-21swapper/211:58:0712
932499175107,29cyclictest0-21swapper/211:58:0712
934699174163,9cyclictest0-21swapper/2009:39:0013
934699174163,9cyclictest0-21swapper/2009:39:0013
934699174163,9cyclictest0-21swapper/2009:39:0013
934699174163,9cyclictest0-21swapper/2009:39:0013
933399174141,29cyclictest37266-21CPU2
933399174141,29cyclictest37266-21CPU2
933399174141,29cyclictest37266-21CPU2
933399174141,29cyclictest37266-21CPU2
9332991730,169cyclictest2466-21CPU39
9332991730,169cyclictest2466-21CPU39
932499173151,11cyclictest171rcu_preempt07:47:0512
935699172167,3cyclictest1947-21kill10:00:1422
935699172167,3cyclictest1947-21kill10:00:1422
935699172167,3cyclictest1947-21kill10:00:1322
933199172166,4cyclictest0-21swapper/811:27:1738
933199172166,4cyclictest0-21swapper/811:27:1738
933199172166,4cyclictest0-21swapper/811:27:1738
936899171151,10cyclictest0-21swapper/3907:59:5633
936899171151,10cyclictest0-21swapper/3907:59:5633
9343991701,79cyclictest23570-21sshd10:50:179
9343991701,79cyclictest23570-21sshd10:50:179
9343991701,79cyclictest23570-21sshd10:50:179
9343991701,79cyclictest23570-21sshd10:50:179
9343991700,106cyclictest0-21swapper/1709:40:019
9343991700,106cyclictest0-21swapper/1709:40:019
9343991700,106cyclictest0-21swapper/1709:40:019
9343991700,106cyclictest0-21swapper/1709:40:019
9323991707,159cyclictest0-21swapper/109:50:191
9323991707,159cyclictest0-21swapper/109:50:191
936899169155,12cyclictest0-21swapper/3910:57:5133
936899169155,12cyclictest0-21swapper/3910:57:5133
936899169155,12cyclictest0-21swapper/3910:57:5133
935699169163,4cyclictest0-21swapper/2911:40:1622
935699169163,4cyclictest0-21swapper/2911:40:1622
935699169160,7cyclictest21502-21grep10:50:1322
935699169160,7cyclictest21502-21grep10:50:1322
935699169160,7cyclictest21502-21grep10:50:1322
935699169160,7cyclictest21502-21grep10:50:1222
935199169123,10cyclictest0-21swapper/2410:22:5917
935199169123,10cyclictest0-21swapper/2410:22:5917
935199169123,10cyclictest0-21swapper/2410:22:5917
93239916912,153cyclictest0-21swapper/107:50:141
93239916912,153cyclictest0-21swapper/107:50:131
93679916882,65cyclictest3610-21CPU32
93679916882,65cyclictest3610-21CPU32
93679916882,65cyclictest3610-21CPU32
935199168144,10cyclictest0-21swapper/2411:52:4117
935199168144,10cyclictest0-21swapper/2411:52:4117
933199168159,2cyclictest0-21swapper/809:39:3138
933199168159,2cyclictest0-21swapper/809:39:3138
933199168159,2cyclictest0-21swapper/809:39:3138
933199168159,2cyclictest0-21swapper/809:39:3138
933199168156,10cyclictest0-21swapper/809:11:4938
933199168156,10cyclictest0-21swapper/809:11:4938
933199168156,10cyclictest0-21swapper/809:11:4938
932499168138,8cyclictest171rcu_preempt07:55:2312
932499168138,8cyclictest171rcu_preempt07:55:2312
934399167128,37cyclictest0-21swapper/1709:25:339
934399167128,37cyclictest0-21swapper/1709:25:339
933299167122,43cyclictest0-21swapper/909:38:0139
933299167122,43cyclictest0-21swapper/909:38:0139
933299167122,43cyclictest0-21swapper/909:38:0139
933299167122,43cyclictest0-21swapper/909:38:0139
932499167156,6cyclictest0-21swapper/207:35:0412
934899166139,14cyclictest34093-21kworker/u81:4+events_unbound12:32:5715
934899166139,14cyclictest34093-21kworker/u81:4+events_unbound12:32:5715
933299166119,32cyclictest0-21swapper/911:09:4639
933299166119,32cyclictest0-21swapper/911:09:4639
93319916695,67cyclictest2466-21CPU38
93319916695,67cyclictest2466-21CPU38
93319916695,67cyclictest2466-21CPU38
932499166160,4cyclictest0-21swapper/207:17:3012
932499166160,4cyclictest0-21swapper/207:17:3012
935199165126,6cyclictest0-21swapper/2408:12:2317
935199165126,6cyclictest0-21swapper/2408:12:2317
933299165109,38cyclictest0-21swapper/912:09:3939
933299165109,38cyclictest0-21swapper/912:09:3939
933299165109,38cyclictest0-21swapper/912:09:3939
936899164150,13cyclictest0-21swapper/3909:47:2733
936899164150,13cyclictest0-21swapper/3909:47:2733
936899164136,12cyclictest0-21swapper/3911:12:0433
936899164136,12cyclictest0-21swapper/3911:12:0433
936899164136,12cyclictest0-21swapper/3911:12:0433
934399164116,33cyclictest0-21swapper/1709:12:319
934399164116,33cyclictest0-21swapper/1709:12:319
934399164116,33cyclictest0-21swapper/1709:12:319
93329916489,65cyclictest3544-21CPU39
93329916489,65cyclictest3544-21CPU39
933299164115,22cyclictest0-21swapper/909:00:3739
933299164115,22cyclictest0-21swapper/909:00:3739
9332991641,143cyclictest0-21swapper/910:05:1939
9332991641,143cyclictest0-21swapper/910:05:1939
9332991641,143cyclictest0-21swapper/910:05:1939
93249916491,60cyclictest37355-21CPU12
93249916491,60cyclictest37355-21CPU12
93249916491,60cyclictest37355-21CPU12
936899163149,11cyclictest0-21swapper/3907:10:1733
936899163149,11cyclictest0-21swapper/3907:10:1733
936799163150,11cyclictest0-21swapper/3811:06:0232
936799163150,11cyclictest0-21swapper/3811:06:0232
935399163131,3cyclictest0-21swapper/2612:00:3419
935399163131,3cyclictest0-21swapper/2612:00:3419
934399163111,39cyclictest0-21swapper/1710:28:069
934399163111,39cyclictest0-21swapper/1710:28:059
933199163144,5cyclictest0-21swapper/810:41:3438
933199163144,5cyclictest0-21swapper/810:41:3438
932499163122,18cyclictest0-21swapper/209:17:2312
932499163122,18cyclictest0-21swapper/209:17:2312
932499163122,18cyclictest0-21swapper/209:17:2312
936599162132,26cyclictest3547-21CPU30
936599162132,26cyclictest3547-21CPU30
934699162149,4cyclictest0-21swapper/2011:37:0513
934699162149,4cyclictest0-21swapper/2011:37:0513
9323991622,12cyclictest3547-21CPU1
9323991622,12cyclictest3547-21CPU1
936899161132,10cyclictest171rcu_preempt07:25:2933
936899161132,10cyclictest171rcu_preempt07:25:2933
935699161150,8cyclictest0-21swapper/2910:45:2022
935699161150,8cyclictest0-21swapper/2910:45:2022
935699161150,8cyclictest0-21swapper/2910:45:1922
935699161103,55cyclictest37354-21CPU22
935699161103,55cyclictest37354-21CPU22
93289916113,143cyclictest37263-21CPU35
93289916113,143cyclictest37263-21CPU35
93289916113,143cyclictest37263-21CPU35
9325991611,3cyclictest11338-21sshd10:45:1323
9325991611,3cyclictest11338-21sshd10:45:1323
9325991611,3cyclictest11338-21sshd10:45:1323
932499161144,9cyclictest0-21swapper/210:12:0612
932499161144,9cyclictest0-21swapper/210:12:0612
932499161118,13cyclictest0-21swapper/209:10:0412
932499161118,13cyclictest0-21swapper/209:10:0312
932499161103,14cyclictest0-21swapper/209:47:4612
932499161103,14cyclictest0-21swapper/209:47:4612
936899160147,4cyclictest0-21swapper/3911:03:2833
936899160147,4cyclictest0-21swapper/3911:03:2833
936899160147,4cyclictest0-21swapper/3911:03:2833
935699160152,6cyclictest0-21swapper/2909:48:5822
935699160152,6cyclictest0-21swapper/2909:48:5822
935699160137,17cyclictest0-21swapper/2912:03:1322
935699160137,17cyclictest0-21swapper/2912:03:1222
933299160102,48cyclictest0-21swapper/909:51:3739
933299160102,48cyclictest0-21swapper/909:51:3739
932499160141,11cyclictest171rcu_preempt11:49:0512
932499160141,11cyclictest171rcu_preempt11:49:0512
936799159131,16cyclictest171rcu_preempt11:52:0532
936799159131,16cyclictest171rcu_preempt11:52:0432
936599159103,48cyclictest0-21swapper/3609:40:1430
936599159103,48cyclictest0-21swapper/3609:40:1430
935199159143,13cyclictest0-21swapper/2410:46:3517
935199159143,13cyclictest0-21swapper/2410:46:3517
935199159143,13cyclictest0-21swapper/2410:46:3417
93469915969,75cyclictest0-21swapper/2011:44:0013
93469915969,75cyclictest0-21swapper/2011:44:0013
934399159116,33cyclictest0-21swapper/1712:05:439
934399159116,33cyclictest0-21swapper/1712:05:439
934399159116,33cyclictest0-21swapper/1712:05:439
9343991591,151cyclictest0-21swapper/1711:57:379
9343991591,151cyclictest0-21swapper/1711:57:379
9343991591,151cyclictest0-21swapper/1711:57:379
933299159119,28cyclictest0-21swapper/909:58:3239
933299159119,28cyclictest0-21swapper/909:58:3239
933299159111,37cyclictest0-21swapper/912:39:2939
933299159111,37cyclictest0-21swapper/912:39:2939
933299159111,37cyclictest0-21swapper/912:39:2839
933199159142,3cyclictest0-21swapper/810:52:0338
933199159142,3cyclictest0-21swapper/810:52:0338
933199159142,3cyclictest0-21swapper/810:52:0338
933199159142,3cyclictest0-21swapper/810:52:0338
932499159147,9cyclictest0-21swapper/208:11:1212
932499159147,9cyclictest0-21swapper/208:11:1212
932399159114,36cyclictest0-21swapper/110:23:181
932399159114,36cyclictest0-21swapper/110:23:181
932399159114,36cyclictest0-21swapper/110:23:171
936899158143,11cyclictest0-21swapper/3911:41:1733
936899158143,11cyclictest0-21swapper/3911:41:1733
936899158121,14cyclictest171rcu_preempt09:04:5333
936899158121,14cyclictest171rcu_preempt09:04:5333
935899158155,2cyclictest0-21swapper/3109:50:2025
935899158155,2cyclictest0-21swapper/3109:50:2025
935199158149,2cyclictest0-21swapper/2411:48:5517
935199158149,2cyclictest0-21swapper/2411:48:5517
934399158134,21cyclictest0-21swapper/1712:22:039
934399158134,21cyclictest0-21swapper/1712:22:039
933399158137,11cyclictest0-21swapper/1007:20:572
933399158137,11cyclictest0-21swapper/1007:20:572
933299158110,46cyclictest0-21swapper/911:32:2139
933299158110,46cyclictest0-21swapper/911:32:2139
93249915899,26cyclictest0-21swapper/210:01:4812
93249915899,26cyclictest0-21swapper/210:01:4812
93249915899,26cyclictest0-21swapper/210:01:4812
932499158139,10cyclictest171rcu_preempt07:27:0712
932499158139,10cyclictest171rcu_preempt07:27:0612
936799157145,10cyclictest0-21swapper/3811:36:0432
936799157145,10cyclictest0-21swapper/3811:36:0432
935199157133,5cyclictest0-21swapper/2412:39:2117
935199157133,5cyclictest0-21swapper/2412:39:2117
935199157133,5cyclictest0-21swapper/2412:39:2117
9325991572,4cyclictest3546-21CPU23
9325991572,4cyclictest3546-21CPU23
932499157135,13cyclictest0-21swapper/208:40:4412
932499157118,17cyclictest0-21swapper/209:11:3112
932499157118,17cyclictest0-21swapper/209:11:3112
932499157118,17cyclictest0-21swapper/209:11:3112
932499157114,18cyclictest0-21swapper/209:58:0712
932499157114,18cyclictest0-21swapper/209:58:0712
93689915699,54cyclictest3544-21CPU33
93689915699,54cyclictest3544-21CPU33
93689915699,54cyclictest3544-21CPU33
936899156137,10cyclictest0-21swapper/3912:11:1433
936899156137,10cyclictest0-21swapper/3912:11:1433
936799156139,7cyclictest0-21swapper/3812:19:2832
936799156139,7cyclictest0-21swapper/3812:19:2832
936799156132,12cyclictest0-21swapper/3809:16:4832
936799156132,12cyclictest0-21swapper/3809:16:4832
936799156132,12cyclictest0-21swapper/3809:16:4832
935499156147,7cyclictest0-21swapper/2711:14:5220
935499156147,7cyclictest0-21swapper/2711:14:5220
935499156147,7cyclictest0-21swapper/2711:14:5220
935199156140,11cyclictest0-21swapper/2410:44:2417
935199156140,11cyclictest0-21swapper/2410:44:2417
9343991561,97cyclictest0-21swapper/1708:25:209
9343991561,97cyclictest0-21swapper/1708:25:199
934399156112,33cyclictest0-21swapper/1710:01:159
934399156112,33cyclictest0-21swapper/1710:01:159
934399156112,33cyclictest0-21swapper/1710:01:159
933299156123,24cyclictest0-21swapper/911:24:4639
933299156123,24cyclictest0-21swapper/911:24:4639
933299156123,24cyclictest0-21swapper/911:24:4639
933299156122,29cyclictest0-21swapper/909:23:5239
933299156122,29cyclictest0-21swapper/909:23:5239
933299156122,29cyclictest0-21swapper/909:23:5139
933299156122,23cyclictest0-21swapper/909:30:3439
933299156122,23cyclictest0-21swapper/909:30:3439
933299156122,23cyclictest0-21swapper/909:30:3439
933299156102,46cyclictest0-21swapper/911:01:2439
933299156102,46cyclictest0-21swapper/911:01:2439
933299156102,46cyclictest0-21swapper/911:01:2339
932499156130,6cyclictest171rcu_preempt12:03:2612
932499156130,6cyclictest171rcu_preempt12:03:2612
932499156123,24cyclictest0-21swapper/207:20:1812
932499156123,24cyclictest0-21swapper/207:20:1812
936899155136,4cyclictest0-21swapper/3909:17:4633
936899155136,4cyclictest0-21swapper/3909:17:4633
936899155136,4cyclictest0-21swapper/3909:17:4633
936899155116,16cyclictest171rcu_preempt10:34:4433
936899155116,16cyclictest171rcu_preempt10:34:4433
936699155146,8cyclictest0-21swapper/3711:09:4431
936699155146,8cyclictest0-21swapper/3711:09:4431
9365991551,7cyclictest1369-21/usr/sbin/munin10:40:1630
9365991551,7cyclictest1369-21/usr/sbin/munin10:40:1630
935699155144,3cyclictest0-21swapper/2909:40:0022
935699155144,3cyclictest0-21swapper/2909:40:0022
935699155144,3cyclictest0-21swapper/2909:40:0022
935699155144,3cyclictest0-21swapper/2909:40:0022
935199155124,13cyclictest0-21swapper/2410:12:1417
935199155124,13cyclictest0-21swapper/2410:12:1417
934399155102,45cyclictest3542-21CPU9
934399155102,45cyclictest3542-21CPU9
934299155146,7cyclictest0-21swapper/1612:11:248
934299155146,7cyclictest0-21swapper/1612:11:248
933199155133,15cyclictest0-21swapper/811:57:2038
933199155133,15cyclictest0-21swapper/811:57:2038
933199155133,15cyclictest0-21swapper/811:57:1938
933199155131,15cyclictest0-21swapper/808:53:4538
933199155131,15cyclictest0-21swapper/808:53:4438
932999155148,6cyclictest0-21swapper/611:59:1736
932999155148,6cyclictest0-21swapper/611:59:1736
932999155148,6cyclictest0-21swapper/611:59:1736
936899154137,7cyclictest0-21swapper/3909:06:4933
936899154137,7cyclictest0-21swapper/3909:06:4933
936899154135,10cyclictest0-21swapper/3908:30:1033
936899154135,10cyclictest0-21swapper/3908:30:1033
936899154122,11cyclictest0-21swapper/3912:16:4133
936899154122,11cyclictest0-21swapper/3912:16:4133
936899154114,15cyclictest0-21swapper/3911:20:0633
936899154114,15cyclictest0-21swapper/3911:20:0633
936899154114,15cyclictest0-21swapper/3911:20:0633
936699154134,16cyclictest0-21swapper/3711:24:0031
936699154134,16cyclictest0-21swapper/3711:24:0031
936699154134,16cyclictest0-21swapper/3711:24:0031
9365991542,4cyclictest3610-21CPU30
9365991542,4cyclictest3610-21CPU30
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934699154100,50cyclictest37270-21CPU13
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935699153145,5cyclictest3548-21CPU22
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