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2026-08-07 - 01:51
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack0slot2.osadl.org (updated Fri Aug 07, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34364632700,1sleep40-21swapper/423:31:574
285002625948,8sleep40-21swapper/419:07:464
284994025848,7sleep50-21swapper/519:06:355
2850380995247,4cyclictest3184043-21latency_hist21:48:267
2850376994440,3cyclictest3497593-21kworker/u16:2+flush-8:000:33:266
2850376994440,3cyclictest3497593-21kworker/u16:2+flush-8:000:33:266
2850376994139,2cyclictest2999264-21kworker/u16:3+flush-8:020:23:266
28409492413,31sleep70-21swapper/719:03:407
2850380993836,1cyclictest3087462-21diskmemload00:22:407
33646972360,1sleep60-21swapper/623:03:066
2850380993635,0cyclictest0-21swapper/723:23:547
2850380993635,0cyclictest0-21swapper/700:05:497
2850380993634,1cyclictest0-21swapper/723:31:497
2850376993634,2cyclictest3437339-21kworker/u16:1+events_unbound23:54:096
2850380993534,0cyclictest0-21swapper/721:12:187
2850380993432,1cyclictest3087462-21diskmemload21:50:137
2850380993432,1cyclictest3087462-21diskmemload21:50:137
2850380993430,3cyclictest125-21kswapd022:08:267
2850380993332,0cyclictest0-21swapper/721:21:107
284987523322,8sleep60-21swapper/619:05:406
2850380993231,0cyclictest0-21swapper/723:42:067
2850376993230,2cyclictest3316786-21kworker/u16:4+events_unbound23:48:496
2850376993230,2cyclictest3184514-21kworker/u16:2+flush-8:022:03:266
2850376993230,2cyclictest2796538-21kworker/u16:2+flush-8:019:13:276
2850380993130,0cyclictest0-21swapper/723:51:417
2850380993130,0cyclictest0-21swapper/723:38:067
2850380993130,0cyclictest0-21swapper/723:15:537
2850380993130,0cyclictest0-21swapper/723:03:287
2850380993130,0cyclictest0-21swapper/722:16:467
2850380993130,0cyclictest0-21swapper/721:32:217
2850380993129,1cyclictest0-21swapper/721:36:587
285038099310,29cyclictest3292582-21latency_hist22:33:267
2850376993127,3cyclictest2796538-21kworker/u16:2+flush-8:019:53:276
2850380993029,0cyclictest0-21swapper/722:34:337
2850380993029,0cyclictest0-21swapper/722:01:147
2850380993029,0cyclictest0-21swapper/721:28:107
2850380993029,0cyclictest0-21swapper/721:14:457
2850380993029,0cyclictest0-21swapper/700:12:337
2850380993028,1cyclictest3496045-21ssh23:55:417
2850376993028,2cyclictest3316786-21kworker/u16:4+events_unbound23:33:446
2850380992928,0cyclictest0-21swapper/723:20:017
2850380992928,0cyclictest0-21swapper/722:09:467
2850380992927,1cyclictest3087462-21diskmemload23:12:227
2850380992927,1cyclictest3087462-21diskmemload23:12:227
2850380992923,5cyclictest3068048-21latency_hist20:58:277
2850376992927,2cyclictest3497593-21kworker/u16:2+events_unbound00:04:296
2850376992927,2cyclictest2971187-21kworker/u16:2+flush-8:020:48:226
2850376992927,2cyclictest2960761-21kworker/u16:1+flush-8:022:38:476
2850380992827,0cyclictest0-21swapper/700:29:147
2850380992827,0cyclictest0-21swapper/700:29:147
2850380992726,0cyclictest0-21swapper/722:55:417
2850380992726,0cyclictest0-21swapper/719:41:387
2850376992725,2cyclictest3497593-21kworker/u16:2+events_unbound00:27:466
2850376992725,2cyclictest2971187-21kworker/u16:2+events_unbound20:33:466
2850376992725,2cyclictest2960761-21kworker/u16:1+events_unbound20:03:416
2850380992625,0cyclictest0-21swapper/722:41:217
2850380992625,0cyclictest0-21swapper/721:42:137
2850376992623,2cyclictest2796538-21kworker/u16:2+flush-8:019:13:276
2850380992524,0cyclictest0-21swapper/700:02:597
2850376992523,2cyclictest3497593-21kworker/u16:2+events_unbound00:36:026
2850376992523,2cyclictest3388954-21kworker/u16:1+events_unbound23:16:016
2850380992423,0cyclictest0-21swapper/722:46:507
2850376992422,2cyclictest3184514-21kworker/u16:2+flush-8:022:19:056
2850380992221,0cyclictest0-21swapper/722:25:167
2850380992221,0cyclictest0-21swapper/720:27:377
2850380992218,3cyclictest3197902-21kthreadcore21:53:467
2850376992220,2cyclictest2960761-21kworker/u16:1+flush-8:021:38:526
2850372992220,2cyclictest3362629-21kworker/u16:0+flush-8:023:13:515
2850380992120,0cyclictest0-21swapper/722:52:087
2850380992120,0cyclictest0-21swapper/719:10:377
2850380992119,1cyclictest3087462-21diskmemload00:34:117
2850376992118,2cyclictest2960761-21kworker/u16:1+events_unbound20:28:386
2850376992118,2cyclictest2960761-21kworker/u16:1+events_unbound20:28:386
2850380992019,0cyclictest0-21swapper/723:46:257
2850376992018,2cyclictest2999264-21kworker/u16:3+flush-8:020:28:216
2850376992017,3cyclictest2960761-21kworker/u16:1+flush-8:020:48:476
2850380991918,0cyclictest0-21swapper/720:48:577
2850380991918,0cyclictest0-21swapper/720:47:417
2850380991918,0cyclictest0-21swapper/720:20:547
2850380991918,0cyclictest0-21swapper/720:06:037
2850380991918,0cyclictest0-21swapper/700:14:447
2850380991916,2cyclictest3266852-21ssh22:20:157
2850376991917,2cyclictest3184514-21kworker/u16:2+flush-8:022:08:506
2850380991817,0cyclictest0-21swapper/720:39:427
2850380991817,0cyclictest0-21swapper/719:37:307
2850380991817,0cyclictest0-21swapper/700:24:487
2850380991812,5cyclictest3077757-21latency_hist21:03:267
2850376991816,2cyclictest3401464-21kworker/u16:2+flush-8:023:29:106
2850376991816,2cyclictest3316786-21kworker/u16:4+events_unbound23:43:556
285037299180,1cyclictest0-21swapper/522:20:515
2850380991716,0cyclictest0-21swapper/719:23:307
2850370991717,0cyclictest0-21swapper/400:24:424
2850380991615,0cyclictest0-21swapper/720:36:217
2850376991614,2cyclictest3362629-21kworker/u16:0+events_unbound00:02:376
2850376991613,3cyclictest2893339-21kworker/u16:3+flush-8:019:53:476
285037299160,16cyclictest0-21swapper/523:24:425
285037299160,15cyclictest0-21swapper/519:58:575
285037299160,13cyclictest0-21swapper/523:34:575
2850380991514,0cyclictest0-21swapper/723:00:157
2850380991514,0cyclictest0-21swapper/719:20:367
2850380991514,0cyclictest0-21swapper/719:16:507
285038099150,13cyclictest0-21swapper/719:58:537
2850376991514,1cyclictest2850130-21kworker/u16:1+flush-8:019:18:526
2850376991513,2cyclictest3316786-21kworker/u16:4+flush-8:022:54:376
2850376991513,2cyclictest2960761-21kworker/u16:1+events_unbound21:18:476
2850376991512,2cyclictest2960761-21kworker/u16:1+flush-8:020:03:226
285037699150,1cyclictest0-21swapper/623:11:436
285037699150,1cyclictest0-21swapper/623:11:436
285037699150,1cyclictest0-21swapper/621:28:476
2850372991513,2cyclictest0-21swapper/522:56:575
285037299150,1cyclictest0-21swapper/523:08:475
285037299150,1cyclictest0-21swapper/523:08:475
285037299150,1cyclictest0-21swapper/500:33:455
285037299150,15cyclictest0-21swapper/522:46:425
285037299150,14cyclictest0-21swapper/522:08:495
285037299150,0cyclictest0-21swapper/521:55:375
285037299150,0cyclictest0-21swapper/521:22:405
285037099152,13cyclictest0-21swapper/400:09:334
285037099150,15cyclictest65-21ksoftirqd/423:20:024
34368052140,1sleep50-21swapper/523:32:395
2850376991413,1cyclictest0-21swapper/623:39:206
2850376991413,1cyclictest0-21swapper/622:51:436
2850376991413,1cyclictest0-21swapper/622:04:446
2850376991412,2cyclictest2971187-21kworker/u16:2+events_unbound20:13:486
2850376991412,2cyclictest2971187-21kworker/u16:2+events_unbound20:08:426
2850376991412,2cyclictest2960761-21kworker/u16:1+flush-8:020:38:476
2850376991412,2cyclictest2960761-21kworker/u16:1+events_unbound21:13:506
2850376991410,3cyclictest3058378-21kworker/u16:4+flush-8:020:58:526
285037699140,14cyclictest0-21swapper/621:50:426
285037699140,14cyclictest0-21swapper/621:50:426
285037699140,14cyclictest0-21swapper/621:38:156
2850372991413,1cyclictest0-21swapper/523:59:525
2850372991412,2cyclictest0-21swapper/522:08:145
285037299140,14cyclictest0-21swapper/523:06:445
285037299140,14cyclictest0-21swapper/522:35:315
285037299140,14cyclictest0-21swapper/500:09:485
2850370991413,1cyclictest2979719-21ps20:08:594
285037099140,1cyclictest65-21ksoftirqd/421:29:314
285037099140,1cyclictest0-21swapper/422:13:594
285037099140,14cyclictest0-21swapper/423:53:564
285037099140,14cyclictest0-21swapper/422:27:044
285037099140,14cyclictest0-21swapper/422:05:564
285037099140,14cyclictest0-21swapper/421:54:544
285037099140,14cyclictest0-21swapper/421:10:074
285038099139,3cyclictest1302-21snmpd20:17:277
2850376991313,0cyclictest0-21swapper/623:24:316
2850376991312,1cyclictest0-21swapper/619:45:416
2850376991312,1cyclictest0-21swapper/619:45:416
2850376991311,2cyclictest3241677-21kworker/u16:0+flush-8:022:23:376
2850376991311,2cyclictest3087504-21kworker/u16:2+flush-8:021:23:426
2850376991311,2cyclictest2960761-21kworker/u16:1+flush-8:022:28:276
2850376991311,2cyclictest2960761-21kworker/u16:1+events_unbound22:33:446
285037699130,13cyclictest0-21swapper/621:44:436
285037299139,1cyclictest0-21swapper/500:23:215
2850372991312,1cyclictest0-21swapper/522:49:145
2850372991312,1cyclictest0-21swapper/522:18:195
2850372991310,1cyclictest0-21swapper/520:33:195
2850372991310,1cyclictest0-21swapper/520:33:195
285037299130,13cyclictest0-21swapper/523:46:185
285037299130,13cyclictest0-21swapper/522:42:085
285037299130,13cyclictest0-21swapper/522:25:545
285037299130,13cyclictest0-21swapper/521:47:065
285037299130,0cyclictest0-21swapper/522:59:005
285037099138,4cyclictest3001129-21cat20:23:404
2850370991312,1cyclictest0-21swapper/423:13:534
285037099130,13cyclictest0-21swapper/423:48:444
285037099130,13cyclictest0-21swapper/421:39:274
34909592120,1sleep50-21swapper/523:53:465
285038099129,2cyclictest1302-21snmpd20:32:307
285038099129,2cyclictest1302-21snmpd20:32:307
285038099125,2cyclictest6124-21gmain19:52:097
285037699121,4cyclictest6391-21gdbus21:55:196
2850376991211,1cyclictest0-21swapper/600:23:006
2850376991210,2cyclictest3497878-21kworker/u16:3+flush-8:000:08:426
285037699120,12cyclictest0-21swapper/619:36:416
285037299129,1cyclictest0-21swapper/523:53:055
2850372991211,1cyclictest0-21swapper/523:22:395
2850372991211,1cyclictest0-21swapper/519:23:285
2850372991211,1cyclictest0-21swapper/519:20:195
2850372991210,2cyclictest0-21swapper/521:41:355
2850372991210,2cyclictest0-21swapper/520:51:555
285037299120,1cyclictest0-21swapper/519:48:235
285037299120,1cyclictest0-21swapper/519:48:235
285037299120,11cyclictest0-21swapper/520:38:315
285037099129,1cyclictest201rcu_preempt00:03:534
285037099128,3cyclictest3534983-21cat00:13:434
285037099128,1cyclictest201rcu_preempt21:45:044
285037099122,4cyclictest631rcuc/423:38:444
285037099122,4cyclictest3338554-21awk22:48:584
285037099121,4cyclictest2865840-21cut19:13:454
2850370991211,1cyclictest3422096-21strings23:23:484
2850370991211,1cyclictest0-21swapper/423:09:474
2850370991211,1cyclictest0-21swapper/423:09:474
2850370991211,1cyclictest0-21swapper/421:51:544
2850370991211,1cyclictest0-21swapper/421:51:544
2850370991211,1cyclictest0-21swapper/421:19:354
2850370991211,1cyclictest0-21swapper/419:30:384
2850370991211,1cyclictest0-21swapper/400:32:534
2850370991211,1cyclictest0-21swapper/400:32:534
2850370991211,1cyclictest0-21swapper/400:22:004
285037099120,1cyclictest0-21swapper/421:05:054
285037099120,1cyclictest0-21swapper/420:52:284
285037099120,1cyclictest0-21swapper/420:34:584
285037099120,12cyclictest0-21swapper/419:54:274
285038099117,3cyclictest1302-21snmpd19:46:027
285038099117,3cyclictest1302-21snmpd19:46:027
2850380991110,0cyclictest0-21swapper/721:04:537
285037699119,2cyclictest3058378-21kworker/u16:4+events_unbound21:03:546
285037699116,4cyclictest3328363-21chrt22:47:356
2850376991110,1cyclictest0-21swapper/623:20:256
2850376991110,1cyclictest0-21swapper/622:15:186
2850376991110,1cyclictest0-21swapper/619:39:516
285037699110,3cyclictest2885190-21kthreadcore19:23:446
285037299118,2cyclictest3517875-21kthreadcore00:03:475
2850372991111,0cyclictest0-21swapper/522:30:565
2850372991110,1cyclictest0-21swapper/520:59:305
2850372991110,1cyclictest0-21swapper/520:28:075
2850372991110,1cyclictest0-21swapper/519:16:045
2850372991110,1cyclictest0-21swapper/500:16:345
285037299110,11cyclictest0-21swapper/519:54:135
285037299110,11cyclictest0-21swapper/519:49:585
285037299110,11cyclictest0-21swapper/519:34:025
285037099119,2cyclictest0-21swapper/400:34:564
285037099119,1cyclictest2796538-21kworker/u16:2+flush-8:019:08:374
285037099119,1cyclictest0-21swapper/422:43:474
285037099114,4cyclictest631rcuc/419:43:384
285037099114,4cyclictest631rcuc/419:43:384
2850370991110,1cyclictest0-21swapper/422:53:484
2850370991110,1cyclictest0-21swapper/422:35:234
2850370991110,1cyclictest0-21swapper/422:28:484
2850370991110,1cyclictest0-21swapper/422:19:304
2850370991110,1cyclictest0-21swapper/422:08:564
2850370991110,1cyclictest0-21swapper/421:58:534
2850370991110,1cyclictest0-21swapper/421:02:334
2850370991110,1cyclictest0-21swapper/420:53:444
2850370991110,1cyclictest0-21swapper/420:45:224
2850370991110,1cyclictest0-21swapper/420:14:474
2850370991110,1cyclictest0-21swapper/419:25:544
285037099110,4cyclictest3015424-21kthreadcore20:28:464
285037099110,4cyclictest3015424-21kthreadcore20:28:464
285037099110,11cyclictest0-21swapper/420:40:104
285037099110,11cyclictest0-21swapper/420:07:324
285037099110,11cyclictest0-21swapper/419:38:034
285038099106,3cyclictest1302-21snmpd19:58:147
285038099106,3cyclictest1302-21snmpd19:30:117
285038099105,4cyclictest6124-21gmain20:08:417
285037699105,4cyclictest3365942-21tune2fs23:03:406
285037699104,5cyclictest0-21swapper/600:13:466
285037699100,9cyclictest3088377-21cstates21:08:396
285037699100,3cyclictest3061448-21kthreadcore20:53:446
285037299109,1cyclictest0-21swapper/521:29:365
285037299109,1cyclictest0-21swapper/521:17:095
285037299108,2cyclictest2960761-21kworker/u16:1+flush-8:021:03:415
285037099109,1cyclictest3354036-21fschecks_time22:58:404
285037099109,1cyclictest0-21swapper/423:33:444
285037099109,1cyclictest0-21swapper/421:33:434
285037099109,1cyclictest0-21swapper/421:13:354
285037099109,1cyclictest0-21swapper/420:18:494
285037099109,1cyclictest0-21swapper/419:58:484
285037099109,1cyclictest0-21swapper/419:48:524
285037099109,1cyclictest0-21swapper/419:38:464
285037099108,1cyclictest3365355-21/usr/sbin/munin23:03:384
285037099107,1cyclictest201rcu_preempt23:58:564
285037099104,1cyclictest0-21swapper/423:47:104
28503769998,1cyclictest0-21swapper/619:29:176
28503729998,1cyclictest0-21swapper/520:56:585
28503729998,1cyclictest0-21swapper/519:32:285
28503729990,4cyclictest32105172cut21:58:435
28503709998,1cyclictest0-21swapper/421:23:404
28503709998,1cyclictest0-21swapper/419:18:424
28503709991,2cyclictest3305836-21fschecks_time22:38:424
28503729987,1cyclictest0-21swapper/520:15:405
28503729986,1cyclictest0-21swapper/500:23:465
28503729983,4cyclictest3574318-21grep00:28:465
28503729983,4cyclictest3574318-21grep00:28:465
28503729983,4cyclictest3192685-21tr21:48:495
28503729983,4cyclictest3192685-21tr21:48:495
28503729983,4cyclictest3132518-21cut21:23:495
28503729983,4cyclictest3090395-21cut21:08:445
28503729983,4cyclictest3039570-21cat20:43:405
28503729983,4cyclictest2966845-21kthreadcore20:03:475
28503729983,4cyclictest2913407-21cut19:38:415
28503729983,3cyclictest3452125-21cut23:38:455
28503729975,1cyclictest0-21swapper/520:18:405
28503729974,2cyclictest3148488-21cpuspeed_turbos21:33:395
28503729973,3cyclictest2971504-21cat20:08:385
28503729973,3cyclictest2852223-21kthreadcore19:08:435
28503729950,4cyclictest3019812-21cpu20:33:405
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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