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2026-04-15 - 02:15
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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 Wed Apr 15, 2026 01:02:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
416199216205,7cyclictest37267-21CPU32
416199216205,7cyclictest37267-21CPU32
416199216205,7cyclictest37267-21CPU32
412299209198,9cyclictest0-21swapper/1120:15:193
412299209198,9cyclictest0-21swapper/1120:15:193
416199208195,11cyclictest2327-21qemu-system-x8621:20:1832
416199208195,11cyclictest2327-21qemu-system-x8621:20:1832
416199208195,11cyclictest2327-21qemu-system-x8621:20:1832
416199207202,3cyclictest33210-21sshd21:56:0632
416199207202,3cyclictest33210-21sshd21:56:0632
416199202194,6cyclictest0-21swapper/3823:45:0132
416199202194,6cyclictest0-21swapper/3823:45:0132
416199202190,10cyclictest0-21swapper/3822:51:4732
416199202190,10cyclictest0-21swapper/3822:51:4732
416199202190,10cyclictest0-21swapper/3822:51:4732
416199201192,6cyclictest0-21swapper/3822:15:2732
416199201192,6cyclictest0-21swapper/3822:15:2732
416199201186,9cyclictest0-21swapper/3822:22:2432
416199201186,9cyclictest0-21swapper/3822:22:2432
416199201186,9cyclictest0-21swapper/3822:22:2432
416199200190,8cyclictest0-21swapper/3822:08:2932
416199200190,8cyclictest0-21swapper/3822:08:2932
416199200190,8cyclictest0-21swapper/3822:08:2932
416199199191,6cyclictest0-21swapper/3822:45:2232
416199199191,6cyclictest0-21swapper/3822:45:2232
414299199194,4cyclictest0-21swapper/2220:16:2715
414299199194,4cyclictest0-21swapper/2220:16:2715
416199197190,5cyclictest0-21swapper/3820:35:1932
414299197192,4cyclictest0-21swapper/2200:02:5315
414299197192,4cyclictest0-21swapper/2200:02:5315
414299197192,4cyclictest0-21swapper/2200:02:5315
412299195188,5cyclictest0-21swapper/1100:23:063
412299195188,5cyclictest0-21swapper/1100:23:063
412299195183,9cyclictest0-21swapper/1100:06:593
412299195183,9cyclictest0-21swapper/1100:06:593
412299195183,9cyclictest0-21swapper/1100:06:593
416199194185,5cyclictest0-21swapper/3822:56:1732
416199194185,5cyclictest0-21swapper/3822:56:1732
413199194191,2cyclictest0-21swapper/1721:41:589
413199194191,2cyclictest0-21swapper/1721:41:589
416199193184,5cyclictest0-21swapper/3823:25:2132
416199193184,5cyclictest0-21swapper/3823:25:2132
416199193183,4cyclictest0-21swapper/3823:35:4232
416199193183,4cyclictest0-21swapper/3823:35:4232
412299193186,5cyclictest15302-21systemd-cgroups00:28:103
412299193186,5cyclictest15302-21systemd-cgroups00:28:103
412299193183,6cyclictest0-21swapper/1100:30:273
412299193183,6cyclictest0-21swapper/1100:30:273
412299193183,6cyclictest0-21swapper/1100:30:273
416199192185,5cyclictest22795-21sshd22:40:1632
416199192185,5cyclictest22795-21sshd22:40:1532
416199192182,6cyclictest0-21swapper/3822:32:0932
416199192182,6cyclictest0-21swapper/3822:32:0932
416199192178,10cyclictest0-21swapper/3823:46:4432
416199192178,10cyclictest0-21swapper/3823:46:4432
416199191184,5cyclictest17480-21nfsd22:30:0732
416199191183,5cyclictest0-21swapper/3820:18:4832
416199191183,5cyclictest0-21swapper/3820:18:4832
416199190184,4cyclictest0-21swapper/3823:11:1932
416199190184,4cyclictest0-21swapper/3823:11:1932
416199190183,5cyclictest0-21swapper/3822:11:0732
416199190183,5cyclictest0-21swapper/3822:11:0732
415599190136,41cyclictest0-21swapper/3422:52:0428
415599190136,41cyclictest0-21swapper/3422:52:0328
415599190136,41cyclictest0-21swapper/3422:52:0328
412299190184,4cyclictest0-21swapper/1100:13:033
412299190184,4cyclictest0-21swapper/1100:13:033
412299190184,4cyclictest0-21swapper/1100:13:033
411699190176,6cyclictest0-21swapper/600:37:3436
411699190176,6cyclictest0-21swapper/600:37:3436
411699190176,6cyclictest0-21swapper/600:37:3436
416199189182,4cyclictest0-21swapper/3822:01:2332
416199189182,4cyclictest0-21swapper/3822:01:2332
416199189179,8cyclictest0-21swapper/3823:52:2132
416199189179,8cyclictest0-21swapper/3823:52:2132
411799189170,11cyclictest0-21swapper/722:38:3937
411799189170,11cyclictest0-21swapper/722:38:3937
411799189170,11cyclictest0-21swapper/722:38:3937
416199188182,4cyclictest0-21swapper/3823:31:4232
416199188182,4cyclictest0-21swapper/3823:31:4232
416199188181,5cyclictest0-21swapper/3823:03:1532
416199188181,5cyclictest0-21swapper/3823:03:1532
416199187181,4cyclictest0-21swapper/3820:00:0132
416199187181,4cyclictest0-21swapper/3820:00:0132
416199187180,5cyclictest0-21swapper/3823:09:3132
416199187180,5cyclictest0-21swapper/3823:09:3032
416199187178,4cyclictest0-21swapper/3821:49:4332
416199187178,4cyclictest0-21swapper/3821:49:4332
416199187178,4cyclictest0-21swapper/3821:49:4332
414499186134,37cyclictest0-21swapper/2400:08:4817
414499186134,37cyclictest0-21swapper/2400:08:4817
414499186134,37cyclictest0-21swapper/2400:08:4817
411399186177,6cyclictest0-21swapper/322:20:4223
411399186177,6cyclictest0-21swapper/322:20:4223
411399186177,6cyclictest0-21swapper/322:20:4223
411399186151,15cyclictest171rcu_preempt22:30:1223
411399186151,15cyclictest171rcu_preempt22:30:1223
416199185178,4cyclictest0-21swapper/3822:26:0632
413299185181,2cyclictest0-21swapper/1821:10:2010
413299185181,2cyclictest0-21swapper/1821:10:2010
413299185181,2cyclictest0-21swapper/1821:10:2010
412299185179,4cyclictest0-21swapper/1100:04:373
412299185179,4cyclictest0-21swapper/1100:04:373
412299185179,4cyclictest0-21swapper/1100:04:373
416199184177,5cyclictest0-21swapper/3819:30:2132
416199184177,5cyclictest0-21swapper/3819:30:2132
415399184148,4cyclictest0-21swapper/3200:13:4626
415399184148,4cyclictest0-21swapper/3200:13:4626
415399184148,4cyclictest0-21swapper/3200:13:4626
416199183172,9cyclictest6118-21ystemctl00:02:3832
416199183172,9cyclictest6118-21ystemctl00:02:3732
416199183172,9cyclictest6118-21ystemctl00:02:3732
416199182175,5cyclictest0-21swapper/3821:51:1632
416199182175,5cyclictest0-21swapper/3821:51:1632
41409918292,64cyclictest0-21swapper/2021:17:0113
41409918292,64cyclictest0-21swapper/2021:17:0113
414299181176,4cyclictest0-21swapper/2220:24:0215
414299181176,4cyclictest0-21swapper/2220:24:0215
411699181166,7cyclictest0-21swapper/621:46:4736
411699181166,7cyclictest0-21swapper/621:46:4736
411699181166,7cyclictest0-21swapper/621:46:4736
416199180171,7cyclictest0-21swapper/3822:39:0432
416199180171,7cyclictest0-21swapper/3822:39:0432
416199180171,7cyclictest0-21swapper/3822:39:0432
416199180168,11cyclictest0-21swapper/3823:15:4332
416199180168,11cyclictest0-21swapper/3823:15:4332
416199180141,36cyclictest0-21swapper/3820:40:1532
416199180141,36cyclictest0-21swapper/3820:40:1532
41539918095,74cyclictest3543-21CPU26
41539918095,74cyclictest3543-21CPU26
415399180176,3cyclictest0-21swapper/3200:33:0726
415399180176,3cyclictest0-21swapper/3200:33:0726
415399180176,3cyclictest0-21swapper/3200:33:0726
414599180130,17cyclictest0-21swapper/2522:34:5418
414599180130,17cyclictest0-21swapper/2522:34:5418
412299180175,4cyclictest0-21swapper/1100:17:333
412299180175,4cyclictest0-21swapper/1100:17:333
411399180145,11cyclictest171rcu_preempt21:39:3323
411399180145,11cyclictest171rcu_preempt21:39:3323
411399180138,32cyclictest3545-21CPU23
411399180138,32cyclictest3545-21CPU23
411199180172,5cyclictest0-21swapper/100:35:351
411199180172,5cyclictest0-21swapper/100:35:351
411199180172,5cyclictest0-21swapper/100:35:351
412299179160,10cyclictest171rcu_preempt22:36:033
412299179160,10cyclictest171rcu_preempt22:36:033
412299179160,10cyclictest171rcu_preempt22:36:033
411799179121,53cyclictest2461-21CPU37
411799179121,53cyclictest2461-21CPU37
411399179147,15cyclictest171rcu_preempt23:07:1223
411399179147,15cyclictest171rcu_preempt23:07:1223
411399179108,49cyclictest4407-21CPU23
411399179108,49cyclictest4407-21CPU23
416199178173,4cyclictest0-21swapper/3821:26:5732
416199178173,4cyclictest0-21swapper/3821:26:5732
416199178171,5cyclictest0-21swapper/3819:30:0332
416199178171,5cyclictest0-21swapper/3819:30:0332
416199178170,4cyclictest0-21swapper/3819:45:5032
416199178170,4cyclictest0-21swapper/3819:45:4932
416199178166,10cyclictest0-21swapper/3820:00:2332
416199178166,10cyclictest0-21swapper/3820:00:2332
414099178170,6cyclictest0-21swapper/2022:07:3513
414099178170,6cyclictest0-21swapper/2022:07:3513
414099178170,6cyclictest0-21swapper/2022:07:3513
414099178131,45cyclictest0-21swapper/2021:35:1813
414099178131,45cyclictest0-21swapper/2021:35:1813
411799178141,17cyclictest171rcu_preempt22:10:3337
411799178141,17cyclictest171rcu_preempt22:10:3337
411399178172,4cyclictest0-21swapper/319:18:1923
411399178172,4cyclictest0-21swapper/319:18:1923
411399178138,15cyclictest0-21swapper/320:34:3323
411399178130,27cyclictest37353-21CPU23
411399178130,27cyclictest37353-21CPU23
411199178168,6cyclictest0-21swapper/123:27:081
411199178168,6cyclictest0-21swapper/123:27:081
415399177154,21cyclictest0-21swapper/3221:31:2326
415399177154,21cyclictest0-21swapper/3221:31:2326
415399177154,21cyclictest0-21swapper/3221:31:2326
414299177158,10cyclictest0-21swapper/2220:13:3815
414299177158,10cyclictest0-21swapper/2220:13:3815
412299177172,4cyclictest0-21swapper/1119:12:463
412299177172,4cyclictest0-21swapper/1119:12:463
411799177129,20cyclictest0-21swapper/721:14:3637
411799177129,20cyclictest0-21swapper/721:14:3637
411799177129,20cyclictest0-21swapper/721:14:3637
411699177167,8cyclictest0-21swapper/622:16:4736
411699177167,8cyclictest0-21swapper/622:16:4736
411399177118,51cyclictest3610-21CPU23
411399177118,51cyclictest3610-21CPU23
411199177167,6cyclictest0-21swapper/121:28:461
411199177167,6cyclictest0-21swapper/121:28:461
414599176170,3cyclictest0-21swapper/2519:10:1418
414599176170,3cyclictest0-21swapper/2519:10:1418
412299176170,4cyclictest0-21swapper/1120:41:263
412299176170,4cyclictest0-21swapper/1120:41:253
411399176145,24cyclictest3544-21CPU23
411399176145,24cyclictest3544-21CPU23
414999175171,2cyclictest0-21swapper/2820:55:1821
414999175171,2cyclictest0-21swapper/2820:55:1821
414599175146,9cyclictest171rcu_preempt21:00:0118
414599175146,9cyclictest171rcu_preempt21:00:0118
4144991753,82cyclictest3544-21CPU17
4144991753,82cyclictest3544-21CPU17
412299175167,4cyclictest3545-21CPU3
412299175167,4cyclictest3545-21CPU3
412299175166,7cyclictest0-21swapper/1120:26:393
412299175166,7cyclictest0-21swapper/1120:26:393
412299175133,38cyclictest3545-21CPU3
412299175133,38cyclictest3545-21CPU3
411799175161,7cyclictest0-21swapper/721:23:4337
411799175161,7cyclictest0-21swapper/721:23:4337
411799175161,7cyclictest0-21swapper/721:23:4337
411799175158,9cyclictest0-21swapper/722:23:0937
411799175158,9cyclictest0-21swapper/722:23:0937
411799175158,9cyclictest0-21swapper/722:23:0937
411699175160,2cyclictest0-21swapper/621:56:3336
411699175160,2cyclictest0-21swapper/621:56:3336
411399175134,16cyclictest0-21swapper/323:47:0323
411399175134,16cyclictest0-21swapper/323:47:0323
411399175133,12cyclictest0-21swapper/300:02:2223
411399175133,12cyclictest0-21swapper/300:02:2223
411399175133,12cyclictest0-21swapper/300:02:2223
411299175162,8cyclictest0-21swapper/222:22:1812
411299175162,8cyclictest0-21swapper/222:22:1812
411299175162,8cyclictest0-21swapper/222:22:1812
416199174166,4cyclictest2466-21CPU32
412299174158,14cyclictest0-21swapper/1123:51:163
412299174158,14cyclictest0-21swapper/1123:51:163
412299174126,42cyclictest37351-21CPU3
412299174126,42cyclictest37351-21CPU3
411399174149,10cyclictest171rcu_preempt21:55:5023
411399174149,10cyclictest171rcu_preempt21:55:5023
411399174131,18cyclictest0-21swapper/323:50:1523
411399174131,18cyclictest0-21swapper/323:50:1523
411199174135,11cyclictest0-21swapper/121:43:311
411199174135,11cyclictest0-21swapper/121:43:311
416199173168,4cyclictest0-21swapper/3819:50:5432
416199173168,4cyclictest0-21swapper/3819:50:5432
416199173147,9cyclictest0-21swapper/3800:13:4632
416199173147,9cyclictest0-21swapper/3800:13:4632
416199173147,9cyclictest0-21swapper/3800:13:4632
414099173163,9cyclictest0-21swapper/2023:11:3313
414099173163,9cyclictest0-21swapper/2023:11:3313
414099173134,35cyclictest2461-21CPU13
414099173134,35cyclictest2461-21CPU13
411799173148,7cyclictest171rcu_preempt00:04:5037
411799173148,7cyclictest171rcu_preempt00:04:5037
411799173148,7cyclictest171rcu_preempt00:04:5037
411699173162,9cyclictest0-21swapper/621:17:2336
411699173162,9cyclictest0-21swapper/621:17:2336
411399173146,10cyclictest171rcu_preempt20:00:4723
411399173146,10cyclictest171rcu_preempt20:00:4723
411399173137,17cyclictest0-21swapper/322:39:0123
411399173137,17cyclictest0-21swapper/322:39:0023
411399173137,17cyclictest0-21swapper/322:39:0023
415399172159,11cyclictest0-21swapper/3223:00:4426
415399172159,11cyclictest0-21swapper/3223:00:4426
414299172126,20cyclictest0-21swapper/2221:14:2415
414299172126,20cyclictest0-21swapper/2221:14:2315
414299172126,20cyclictest0-21swapper/2221:14:2315
412299172153,16cyclictest0-21swapper/1120:15:013
412299172153,16cyclictest0-21swapper/1120:15:013
411799172133,16cyclictest171rcu_preempt21:43:1337
411799172133,16cyclictest171rcu_preempt21:43:1337
411799172117,23cyclictest0-21swapper/700:14:5437
411799172117,23cyclictest0-21swapper/700:14:5437
411799172117,23cyclictest0-21swapper/700:14:5437
411399172150,7cyclictest171rcu_preempt22:29:1123
411399172150,7cyclictest171rcu_preempt22:29:1123
411399172148,9cyclictest171rcu_preempt22:50:0523
411399172148,9cyclictest171rcu_preempt22:50:0523
411399172148,9cyclictest171rcu_preempt19:51:4823
411399172148,9cyclictest171rcu_preempt19:51:4723
411399172148,14cyclictest0-21swapper/323:31:0923
411399172148,14cyclictest0-21swapper/323:31:0923
411399172146,10cyclictest171rcu_preempt21:21:0023
411399172146,10cyclictest171rcu_preempt21:21:0023
411399172146,10cyclictest171rcu_preempt21:21:0023
411399172144,18cyclictest0-21swapper/322:56:5123
411399172144,18cyclictest0-21swapper/322:56:5123
411399172126,18cyclictest0-21swapper/322:12:5923
411399172126,18cyclictest0-21swapper/322:12:5923
411399172121,26cyclictest0-21swapper/300:25:4623
411399172121,26cyclictest0-21swapper/300:25:4623
411399172119,25cyclictest3547-21CPU23
411399172119,25cyclictest3547-21CPU23
411199172164,6cyclictest0-21swapper/100:31:591
411199172164,6cyclictest0-21swapper/100:31:581
411199172164,6cyclictest0-21swapper/100:31:581
414599171141,12cyclictest171rcu_preempt23:58:0818
414599171141,12cyclictest171rcu_preempt23:58:0818
414599171141,12cyclictest171rcu_preempt23:58:0818
414599171118,29cyclictest0-21swapper/2520:36:4218
414499171133,36cyclictest0-21swapper/2423:04:3617
414499171133,36cyclictest0-21swapper/2423:04:3617
414299171141,11cyclictest0-21swapper/2222:39:3415
414299171141,11cyclictest0-21swapper/2222:39:3315
414299171141,11cyclictest0-21swapper/2222:39:3315
412299171164,6cyclictest0-21swapper/1119:20:183
412299171164,6cyclictest0-21swapper/1119:20:183
412299171162,8cyclictest0-21swapper/1119:20:043
411799171120,18cyclictest0-21swapper/721:58:0337
411799171120,18cyclictest0-21swapper/721:58:0337
411399171153,7cyclictest1430-21polkitd21:17:3123
411399171153,7cyclictest1430-21polkitd21:17:3123
411399171141,15cyclictest0-21swapper/321:25:3323
411399171141,15cyclictest0-21swapper/321:25:3323
411399171136,10cyclictest171rcu_preempt19:40:1123
411399171130,13cyclictest0-21swapper/321:50:5123
411399171130,13cyclictest0-21swapper/321:50:5123
411199171161,8cyclictest0-21swapper/123:05:101
411199171161,8cyclictest0-21swapper/123:05:101
416299170162,6cyclictest0-21swapper/3923:47:2233
416299170162,6cyclictest0-21swapper/3923:47:2233
416199170163,5cyclictest0-21swapper/3820:28:5432
416199170163,5cyclictest0-21swapper/3820:28:5432
416199170162,7cyclictest0-21swapper/3820:30:2732
415099170160,5cyclictest0-21swapper/2922:02:4122
415099170160,5cyclictest0-21swapper/2922:02:4122
4144991700,164cyclictest0-21swapper/2422:10:5417
4144991700,164cyclictest0-21swapper/2422:10:5417
414299170132,22cyclictest3610-21CPU15
414299170132,22cyclictest3610-21CPU15
414299170132,22cyclictest3610-21CPU15
412499170154,5cyclictest0-21swapper/1323:15:165
412499170154,5cyclictest0-21swapper/1323:15:165
411799170158,11cyclictest0-21swapper/721:32:2537
411799170158,11cyclictest0-21swapper/721:32:2537
411799170158,11cyclictest0-21swapper/721:32:2537
411799170146,9cyclictest171rcu_preempt21:26:1937
411799170146,9cyclictest171rcu_preempt21:26:1937
411699170164,4cyclictest0-21swapper/623:51:1236
411699170164,4cyclictest0-21swapper/623:51:1136
411699170161,8cyclictest0-21swapper/621:24:2736
411699170161,8cyclictest0-21swapper/621:24:2736
411699170161,8cyclictest0-21swapper/621:24:2736
411399170165,3cyclictest0-21swapper/319:59:1323
411399170165,3cyclictest0-21swapper/319:59:1323
411399170134,16cyclictest0-21swapper/323:59:5823
411399170134,16cyclictest0-21swapper/323:59:5723
411399170134,16cyclictest0-21swapper/323:59:5723
414599169141,8cyclictest171rcu_preempt21:12:3918
414599169141,8cyclictest171rcu_preempt21:12:3918
414599169141,8cyclictest171rcu_preempt21:12:3918
414599169120,16cyclictest0-21swapper/2519:45:4618
414599169120,16cyclictest0-21swapper/2519:45:4618
414299169134,9cyclictest0-21swapper/2222:40:5915
414299169134,9cyclictest0-21swapper/2222:40:5915
412799169164,3cyclictest0-21swapper/1522:40:157
412799169164,3cyclictest0-21swapper/1522:40:157
411799169139,25cyclictest0-21swapper/723:13:0037
411799169139,25cyclictest0-21swapper/723:13:0037
411799169139,12cyclictest171rcu_preempt20:53:0537
411799169139,12cyclictest171rcu_preempt20:53:0437
411799169136,10cyclictest171rcu_preempt00:19:4037
411799169136,10cyclictest171rcu_preempt00:19:4037
411799169123,30cyclictest0-21swapper/723:56:3837
411799169123,30cyclictest0-21swapper/723:56:3837
411799169123,30cyclictest0-21swapper/723:56:3837
411699169142,22cyclictest0-21swapper/621:35:1036
411699169142,22cyclictest0-21swapper/621:35:1036
411699169133,23cyclictest0-21swapper/623:44:4836
411699169133,23cyclictest0-21swapper/623:44:4836
411399169140,15cyclictest0-21swapper/300:23:2123
411399169140,15cyclictest0-21swapper/300:23:2123
411399169139,25cyclictest37356-21CPU23
411399169139,25cyclictest37356-21CPU23
411399169110,39cyclictest0-21swapper/322:40:3823
411399169110,39cyclictest0-21swapper/322:40:3823
415399168144,7cyclictest0-21swapper/3200:15:4426
415399168144,7cyclictest0-21swapper/3200:15:4426
414599168145,13cyclictest171rcu_preempt21:58:0718
414599168145,13cyclictest171rcu_preempt21:58:0718
414599168130,13cyclictest0-21swapper/2521:19:0318
414599168130,13cyclictest0-21swapper/2521:19:0318
414599168118,25cyclictest0-21swapper/2522:46:2218
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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