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2026-03-26 - 05:26
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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 Thu Mar 26, 2026 01:02:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
897499247238,5cyclictest2454-21CPU2
897499247238,5cyclictest2454-21CPU2
897499247238,5cyclictest2454-21CPU2
897699229213,12cyclictest0-21swapper/1121:15:203
897699229213,12cyclictest0-21swapper/1121:15:203
897499219213,4cyclictest2466-21CPU2
897499219213,4cyclictest2466-21CPU2
897499215209,5cyclictest0-21swapper/1023:05:502
897499215209,5cyclictest0-21swapper/1023:05:492
897499215204,9cyclictest755-21systemd-journal22:49:042
897499215204,9cyclictest755-21systemd-journal22:49:042
897499213201,4cyclictest2454-21CPU2
897499213201,4cyclictest2454-21CPU2
897499207197,8cyclictest2375-21systemd-cgroups23:00:292
897499207197,8cyclictest2375-21systemd-cgroups23:00:292
897499207197,8cyclictest2375-21systemd-cgroups23:00:292
897499207194,10cyclictest0-21swapper/1022:42:452
897499207194,10cyclictest0-21swapper/1022:42:442
897499207194,10cyclictest0-21swapper/1022:42:442
897499204196,6cyclictest0-21swapper/1023:20:362
897499204196,6cyclictest0-21swapper/1023:20:362
897699203196,5cyclictest0-21swapper/1100:22:133
897699203196,5cyclictest0-21swapper/1100:22:133
897699203196,5cyclictest0-21swapper/1100:22:123
897699201194,6cyclictest0-21swapper/1121:45:263
897699201194,6cyclictest0-21swapper/1121:45:263
897699200192,7cyclictest0-21swapper/1121:26:243
897699200192,7cyclictest0-21swapper/1121:26:233
897499199191,5cyclictest0-21swapper/1022:50:432
897499199191,5cyclictest0-21swapper/1022:50:432
900899196189,5cyclictest0-21swapper/3819:10:1832
897699196184,10cyclictest0-21swapper/1121:10:553
897699196184,10cyclictest0-21swapper/1121:10:553
897699196179,12cyclictest0-21swapper/1121:44:343
897699196179,12cyclictest0-21swapper/1121:44:343
897699196179,12cyclictest0-21swapper/1121:44:343
899999195190,4cyclictest0-21swapper/3021:03:1424
897699195187,5cyclictest2456-21CPU3
897699195187,5cyclictest2456-21CPU3
897699195181,10cyclictest37351-21CPU3
897699195181,10cyclictest37351-21CPU3
897699195169,22cyclictest0-21swapper/1100:10:053
897699195169,22cyclictest0-21swapper/1100:10:053
897699195169,22cyclictest0-21swapper/1100:10:043
896499195192,2cyclictest0-21swapper/120:40:171
896499195192,2cyclictest0-21swapper/120:40:171
897499194186,6cyclictest0-21swapper/1022:33:302
897499194186,6cyclictest0-21swapper/1022:33:302
897499194186,6cyclictest0-21swapper/1022:33:302
897699193179,12cyclictest0-21swapper/1120:20:193
897699193179,12cyclictest0-21swapper/1120:20:193
900899191147,24cyclictest0-21swapper/3821:44:2632
900899191147,24cyclictest0-21swapper/3821:44:2632
900899191147,24cyclictest0-21swapper/3821:44:2632
899099191172,16cyclictest0-21swapper/2223:15:4515
899099191172,16cyclictest0-21swapper/2223:15:4515
897699191183,7cyclictest0-21swapper/1100:20:013
897699191183,7cyclictest0-21swapper/1100:20:003
897699191183,5cyclictest4398-21qemu-system-x8621:50:073
897699191183,5cyclictest4398-21qemu-system-x8621:50:073
897699191166,14cyclictest0-21swapper/1123:04:583
897699191166,14cyclictest0-21swapper/1123:04:583
897699191166,14cyclictest0-21swapper/1123:04:583
897499191185,4cyclictest0-21swapper/1023:12:182
897499191185,4cyclictest0-21swapper/1023:12:182
897499191185,4cyclictest0-21swapper/1023:12:182
896499191184,4cyclictest0-21swapper/121:38:321
896499191184,4cyclictest0-21swapper/121:38:321
900899190174,14cyclictest0-21swapper/3821:13:3832
900899190174,14cyclictest0-21swapper/3821:13:3832
897699190178,5cyclictest0-21swapper/1121:35:023
897699190178,5cyclictest0-21swapper/1121:35:013
897699190178,5cyclictest0-21swapper/1121:35:013
897699190172,8cyclictest0-21swapper/1121:20:093
897699190172,8cyclictest0-21swapper/1121:20:093
896499189185,2cyclictest0-21swapper/123:32:121
896499189185,2cyclictest0-21swapper/123:32:121
896499189185,2cyclictest0-21swapper/123:32:121
897699188176,9cyclictest0-21swapper/1123:57:433
897699188176,9cyclictest0-21swapper/1123:57:433
897699188176,9cyclictest0-21swapper/1123:57:433
897699188172,7cyclictest0-21swapper/1100:27:263
897699188172,7cyclictest0-21swapper/1100:27:263
897699188172,7cyclictest0-21swapper/1100:27:253
900899187171,13cyclictest0-21swapper/3821:29:1432
900899187171,13cyclictest0-21swapper/3821:29:1332
897699187178,7cyclictest0-21swapper/1119:55:263
897699187178,7cyclictest0-21swapper/1119:55:263
897699187177,4cyclictest0-21swapper/1100:37:313
897699187177,4cyclictest0-21swapper/1100:37:303
897699187177,4cyclictest0-21swapper/1100:37:303
897699186177,5cyclictest0-21swapper/1121:39:493
897699186177,5cyclictest0-21swapper/1121:39:483
896799186183,2cyclictest0-21swapper/420:35:1934
896799186183,2cyclictest0-21swapper/420:35:1934
897699185177,5cyclictest0-21swapper/1100:30:343
897699185177,5cyclictest0-21swapper/1100:30:343
899799184173,5cyclictest0-21swapper/2922:58:5322
899799184173,5cyclictest0-21swapper/2922:58:5322
897199184161,18cyclictest0-21swapper/723:21:5437
897199184161,18cyclictest0-21swapper/723:21:5437
900899182174,6cyclictest0-21swapper/3819:30:3732
900899182174,6cyclictest0-21swapper/3819:30:3732
896699182167,12cyclictest755-21systemd-journal22:31:0623
896699182167,12cyclictest755-21systemd-journal22:31:0623
896699182167,12cyclictest755-21systemd-journal22:31:0523
899099181149,22cyclictest0-21swapper/2223:51:0815
899099181149,22cyclictest0-21swapper/2223:51:0815
896699181165,12cyclictest0-21swapper/323:35:0923
896699181165,12cyclictest0-21swapper/323:35:0923
896699181147,31cyclictest3545-21CPU23
896699181147,31cyclictest3545-21CPU23
896499181164,15cyclictest0-21swapper/119:15:051
896499181143,31cyclictest0-21swapper/122:40:521
896499181143,31cyclictest0-21swapper/122:40:521
896499181143,31cyclictest0-21swapper/122:40:511
900899180166,9cyclictest0-21swapper/3800:13:3832
900899180166,9cyclictest0-21swapper/3800:13:3832
900899180142,16cyclictest0-21swapper/3822:34:1932
900899180142,16cyclictest0-21swapper/3822:34:1932
900899180142,16cyclictest0-21swapper/3822:34:1932
900899179154,10cyclictest0-21swapper/3822:35:4732
900899179154,10cyclictest0-21swapper/3822:35:4732
900899179154,10cyclictest0-21swapper/3822:35:4732
898199179171,4cyclictest37354-21CPU6
898199179171,4cyclictest37354-21CPU6
897699179172,5cyclictest0-21swapper/1119:25:183
897699179172,5cyclictest0-21swapper/1119:25:183
897699179170,6cyclictest0-21swapper/1120:55:153
897699179170,6cyclictest0-21swapper/1120:55:153
897699179152,9cyclictest171rcu_preempt19:44:373
897699179152,9cyclictest171rcu_preempt19:44:363
896899179175,2cyclictest0-21swapper/520:35:1435
896899179175,2cyclictest0-21swapper/520:35:1435
900899178165,6cyclictest3610-21CPU32
899799178173,4cyclictest0-21swapper/2922:10:3322
899799178173,4cyclictest0-21swapper/2922:10:3222
8980991781,5cyclictest2459-21CPU5
8980991781,5cyclictest2459-21CPU5
900399177166,4cyclictest0-21swapper/3322:35:1727
900399177166,4cyclictest0-21swapper/3322:35:1727
900399177166,4cyclictest0-21swapper/3322:35:1627
899099177160,7cyclictest0-21swapper/2221:01:2515
897699177172,4cyclictest0-21swapper/1120:11:303
897499177151,24cyclictest0-21swapper/1000:30:492
897499177151,24cyclictest0-21swapper/1000:30:482
897099177169,4cyclictest2466-21CPU36
897099177169,4cyclictest2466-21CPU36
897099177169,4cyclictest2466-21CPU36
900899176160,7cyclictest0-21swapper/3823:50:3132
900899176160,7cyclictest0-21swapper/3823:50:3132
897699176170,4cyclictest0-21swapper/1120:52:383
897699176170,4cyclictest0-21swapper/1120:52:383
897699176169,5cyclictest0-21swapper/1120:15:243
897699176169,5cyclictest0-21swapper/1120:15:233
896399176173,2cyclictest0-21swapper/020:36:450
896399176173,2cyclictest0-21swapper/020:36:450
900899175142,14cyclictest0-21swapper/3820:06:4632
900899175142,14cyclictest0-21swapper/3820:06:4632
898499175165,8cyclictest29585-21fschecks_count23:45:179
898499175165,8cyclictest29585-21fschecks_count23:45:179
897699175167,6cyclictest0-21swapper/1121:09:593
897699175167,6cyclictest0-21swapper/1121:09:593
900899174162,5cyclictest0-21swapper/3800:39:5832
900899174162,5cyclictest0-21swapper/3800:39:5832
900899174162,5cyclictest0-21swapper/3800:39:5732
900899174137,16cyclictest0-21swapper/3800:18:1432
900899174137,16cyclictest0-21swapper/3800:18:1332
900899174136,15cyclictest0-21swapper/3823:25:4432
900899174136,15cyclictest0-21swapper/3823:25:4432
899599174150,14cyclictest0-21swapper/2721:46:1720
899599174150,14cyclictest0-21swapper/2721:46:1720
899599174133,18cyclictest0-21swapper/2723:52:1320
899599174133,18cyclictest0-21swapper/2723:52:1320
897699174165,7cyclictest0-21swapper/1100:00:273
897699174165,7cyclictest0-21swapper/1100:00:273
897699174165,7cyclictest0-21swapper/1100:00:263
896699174163,9cyclictest0-21swapper/322:28:4723
896699174163,9cyclictest0-21swapper/322:28:4723
900899173152,9cyclictest0-21swapper/3800:26:1432
900899173152,9cyclictest0-21swapper/3800:26:1432
900899173152,9cyclictest0-21swapper/3800:26:1432
900899173138,13cyclictest0-21swapper/3821:21:4232
900899173138,13cyclictest0-21swapper/3821:21:4132
899099173153,6cyclictest0-21swapper/2223:58:5115
899099173153,6cyclictest0-21swapper/2223:58:5115
899099173153,6cyclictest0-21swapper/2223:58:5115
8980991731,2cyclictest0-21swapper/1300:20:195
8980991731,2cyclictest0-21swapper/1300:20:185
8980991731,2cyclictest0-21swapper/1300:20:185
897699173167,4cyclictest0-21swapper/1119:30:223
897699173167,4cyclictest0-21swapper/1119:30:213
896399173165,6cyclictest0-21swapper/023:18:230
896399173165,6cyclictest0-21swapper/023:18:230
900899172154,4cyclictest171rcu_preempt22:14:3132
900899172154,4cyclictest171rcu_preempt22:14:3032
898499172160,9cyclictest2466-21CPU9
898499172160,9cyclictest2466-21CPU9
8980991722,4cyclictest3547-21CPU5
8980991722,4cyclictest3547-21CPU5
897699172167,4cyclictest0-21swapper/1119:40:023
897699172167,4cyclictest0-21swapper/1119:40:023
897699172140,8cyclictest171rcu_preempt22:04:283
897699172140,8cyclictest171rcu_preempt22:04:283
896499172165,2cyclictest0-21swapper/100:36:111
896499172165,2cyclictest0-21swapper/100:36:111
896499172165,2cyclictest0-21swapper/100:36:101
899799171156,13cyclictest0-21swapper/2923:26:4422
899799171156,13cyclictest0-21swapper/2923:26:4422
897699171154,15cyclictest0-21swapper/1123:53:233
897699171154,15cyclictest0-21swapper/1123:53:223
896699171160,7cyclictest0-21swapper/322:50:0023
896699171160,7cyclictest0-21swapper/322:50:0023
896499171164,5cyclictest0-21swapper/122:22:071
896499171164,5cyclictest0-21swapper/122:22:071
896499171164,5cyclictest0-21swapper/122:22:071
896499171142,10cyclictest0-21swapper/120:45:301
896499171142,10cyclictest0-21swapper/120:45:301
899799170146,11cyclictest37265-21CPU22
899799170146,11cyclictest37265-21CPU22
897699170165,4cyclictest0-21swapper/1120:27:453
897699170165,4cyclictest0-21swapper/1120:27:453
897699170157,9cyclictest0-21swapper/1120:34:593
897699170157,9cyclictest0-21swapper/1120:34:583
896699170160,7cyclictest0-21swapper/322:17:4823
896699170160,7cyclictest0-21swapper/322:17:4723
896699170160,7cyclictest0-21swapper/322:17:4723
899199169155,7cyclictest0-21swapper/2323:49:3316
899199169155,7cyclictest0-21swapper/2323:49:3316
899099169161,5cyclictest0-21swapper/2200:33:1815
899099169161,5cyclictest0-21swapper/2200:33:1715
899099169153,11cyclictest0-21swapper/2222:35:3515
899099169153,11cyclictest0-21swapper/2222:35:3515
899099169153,11cyclictest0-21swapper/2222:35:3515
898499169163,5cyclictest0-21swapper/1721:13:139
898499169163,5cyclictest0-21swapper/1721:13:129
898499169160,6cyclictest0-21swapper/1723:08:479
898499169160,6cyclictest0-21swapper/1723:08:479
897699169163,5cyclictest0-21swapper/1120:50:043
897699169123,32cyclictest3609-21CPU3
897699169123,32cyclictest3609-21CPU3
897699169123,32cyclictest3609-21CPU3
897399169159,7cyclictest0-21swapper/923:18:2339
897399169159,7cyclictest0-21swapper/923:18:2239
897199169131,27cyclictest0-21swapper/700:20:5937
897199169131,27cyclictest0-21swapper/700:20:5837
897199169131,27cyclictest0-21swapper/700:20:5837
896799169163,4cyclictest0-21swapper/400:38:2434
896799169163,4cyclictest0-21swapper/400:38:2334
896799169163,4cyclictest0-21swapper/400:38:2334
896699169161,5cyclictest30689-21bash22:20:4423
896699169161,5cyclictest30689-21bash22:20:4323
896699169161,5cyclictest30689-21bash22:20:4323
896699169154,5cyclictest0-21swapper/323:29:4323
896699169154,5cyclictest0-21swapper/323:29:4323
896699169151,12cyclictest0-21swapper/322:54:5423
896699169151,12cyclictest0-21swapper/322:54:5323
900899168150,9cyclictest0-21swapper/3822:01:3632
900899168150,9cyclictest0-21swapper/3822:01:3632
900899168148,14cyclictest0-21swapper/3821:34:4432
900899168148,14cyclictest0-21swapper/3821:34:4332
900899168148,14cyclictest0-21swapper/3821:34:4332
900299168128,31cyclictest0-21swapper/3220:33:2226
900299168128,31cyclictest0-21swapper/3220:33:2226
899999168143,22cyclictest0-21swapper/3021:30:3724
899999168143,22cyclictest0-21swapper/3021:30:3724
899999168143,22cyclictest0-21swapper/3021:30:3624
899599168132,26cyclictest0-21swapper/2700:18:1020
899599168132,26cyclictest0-21swapper/2700:18:0920
899399168112,48cyclictest0-21swapper/2521:50:0418
899399168112,48cyclictest0-21swapper/2521:50:0418
899099168145,12cyclictest0-21swapper/2200:18:0815
899099168145,12cyclictest0-21swapper/2200:18:0715
898499168161,5cyclictest3535-21qemu-system-x8623:37:339
898499168161,5cyclictest3535-21qemu-system-x8623:37:339
897499168157,9cyclictest0-21swapper/1000:13:192
897499168157,9cyclictest0-21swapper/1000:13:182
899099167134,17cyclictest0-21swapper/2200:29:3615
899099167134,17cyclictest0-21swapper/2200:29:3615
899099167134,17cyclictest0-21swapper/2200:29:3515
897199167140,16cyclictest0-21swapper/722:31:1237
897199167140,16cyclictest0-21swapper/722:31:1237
897199167140,16cyclictest0-21swapper/722:31:1237
896799167154,5cyclictest0-21swapper/421:53:4334
896799167154,5cyclictest0-21swapper/421:53:4334
896699167150,9cyclictest0-21swapper/321:17:0523
896699167150,9cyclictest0-21swapper/321:17:0423
896499167144,10cyclictest0-21swapper/122:53:301
896499167144,10cyclictest0-21swapper/122:53:301
896399167158,7cyclictest0-21swapper/000:34:490
896399167158,7cyclictest0-21swapper/000:34:490
900899166156,8cyclictest0-21swapper/3800:33:3332
900899166156,8cyclictest0-21swapper/3800:33:3332
899599166148,9cyclictest0-21swapper/2721:25:5920
899599166148,9cyclictest0-21swapper/2721:25:5820
897699166156,8cyclictest0-21swapper/1121:05:043
897499166150,7cyclictest0-21swapper/1000:00:492
897499166150,7cyclictest0-21swapper/1000:00:482
897499166150,7cyclictest0-21swapper/1000:00:482
900899165145,12cyclictest171rcu_preempt23:45:5232
900899165145,12cyclictest171rcu_preempt23:45:5232
900899165140,20cyclictest0-21swapper/3823:03:5632
900899165140,20cyclictest0-21swapper/3823:03:5632
900899165140,20cyclictest0-21swapper/3823:03:5632
9006991652,157cyclictest3546-21CPU30
9006991652,157cyclictest3546-21CPU30
899799165155,8cyclictest0-21swapper/2923:30:2522
899799165155,8cyclictest0-21swapper/2923:30:2422
899799165155,8cyclictest0-21swapper/2923:30:2422
899799165154,7cyclictest0-21swapper/2921:58:5222
899799165154,7cyclictest0-21swapper/2921:58:5222
899799165154,7cyclictest0-21swapper/2921:58:5222
899399165114,39cyclictest0-21swapper/2523:10:4618
899399165114,39cyclictest0-21swapper/2523:10:4518
899399165114,39cyclictest0-21swapper/2523:10:4518
899099165119,36cyclictest0-21swapper/2222:19:1615
899099165119,36cyclictest0-21swapper/2222:19:1615
899099165119,36cyclictest0-21swapper/2222:19:1615
899099165117,31cyclictest3609-21CPU15
899099165117,31cyclictest3609-21CPU15
897699165158,5cyclictest0-21swapper/1120:49:183
897699165156,7cyclictest0-21swapper/1120:05:353
897699165156,7cyclictest0-21swapper/1120:05:353
897699165151,6cyclictest0-21swapper/1120:00:203
897699165151,6cyclictest0-21swapper/1120:00:203
897699165117,22cyclictest2464-21CPU3
897699165117,22cyclictest2464-21CPU3
900899164159,4cyclictest0-21swapper/3819:10:0232
900899164159,4cyclictest0-21swapper/3819:10:0132
899799164156,7cyclictest0-21swapper/2923:14:2722
899799164156,7cyclictest0-21swapper/2923:14:2722
899799164156,7cyclictest0-21swapper/2923:14:2722
899799164156,3cyclictest3548-21CPU22
899799164156,3cyclictest3548-21CPU22
899799164156,3cyclictest3548-21CPU22
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899099164141,11cyclictest0-21swapper/2222:06:3315
899099164141,11cyclictest0-21swapper/2222:06:3315
899099164130,31cyclictest37265-21CPU15
899099164130,31cyclictest37265-21CPU15
899099164130,31cyclictest37265-21CPU15
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897699164148,5cyclictest0-21swapper/1123:41:283
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900899163140,12cyclictest0-21swapper/3821:56:4732
900899163140,12cyclictest0-21swapper/3821:56:4732
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900899163140,11cyclictest0-21swapper/3823:30:3432
899799163149,3cyclictest4407-21CPU22
899799163149,3cyclictest4407-21CPU22
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899099163129,19cyclictest0-21swapper/2219:20:3215
898499163129,27cyclictest0-21swapper/1700:34:479
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897499163148,6cyclictest0-21swapper/1023:32:212
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897499163148,6cyclictest0-21swapper/1023:32:202
896799163134,11cyclictest0-21swapper/423:23:3834
896799163134,11cyclictest0-21swapper/423:23:3834
896699163144,12cyclictest0-21swapper/322:58:5323
896699163144,12cyclictest0-21swapper/322:58:5323
896499163142,10cyclictest0-21swapper/121:56:021
896499163142,10cyclictest0-21swapper/121:56:021
896499163142,10cyclictest0-21swapper/121:56:021
896399163159,2cyclictest0-21swapper/023:04:570
896399163159,2cyclictest0-21swapper/023:04:570
896399163159,2cyclictest0-21swapper/023:04:570
900899162155,4cyclictest4238-21sshd21:36:4332
900899162155,4cyclictest4238-21sshd21:36:4332
899399162146,14cyclictest0-21swapper/2521:31:3818
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