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2026-05-08 - 03:30
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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 May 08, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29047232980,1sleep72904722-21cut21:38:527
32719032650,1sleep60-21swapper/600:10:136
2590671994947,2cyclictest3163135-21kworker/u16:2+events_unbound23:28:556
31497412460,0sleep60-21swapper/623:19:006
2590671994643,2cyclictest3028739-21kworker/u16:1+flush-8:023:03:436
2590671994643,2cyclictest2632810-21kworker/u16:2+events_unbound19:53:556
259017724636,7sleep50-21swapper/519:05:545
2590671994543,2cyclictest3285829-21kworker/u16:1+events_unbound00:33:566
2590673994443,0cyclictest0-21swapper/720:18:427
2590671994442,2cyclictest2885657-21kworker/u16:2+events_unbound21:44:006
2590671994442,2cyclictest2709407-21kworker/u16:1+flush-8:020:43:576
259029124333,7sleep40-21swapper/419:07:294
2590671994236,6cyclictest3163135-21kworker/u16:2+events_unbound00:29:346
2590671994038,2cyclictest3308074-21kworker/u16:0+events_unbound00:27:586
2590671994038,2cyclictest3163135-21kworker/u16:2+events_unbound23:50:116
2590671994038,2cyclictest3163135-21kworker/u16:2+events_unbound23:43:446
2590671994038,2cyclictest3149262-21kworker/u16:0+events_unbound23:37:156
2590671993937,2cyclictest2946610-21kworker/u16:0+events_unbound22:51:346
25903322395,29sleep70-21swapper/719:08:047
2590673993836,1cyclictest0-21swapper/720:33:437
2590673993835,2cyclictest3295099-21smartctl00:19:017
2590673993835,2cyclictest2749165-21perl20:28:427
2590671993837,1cyclictest2859899-21kworker/u16:0+events_unbound21:23:536
2590671993836,2cyclictest3176652-21kworker/u16:3+events_unbound23:40:156
2590671993836,2cyclictest3176652-21kworker/u16:3+events_unbound00:08:146
2590671993836,2cyclictest3163135-21kworker/u16:2+events_unbound23:28:026
2590673993736,0cyclictest0-21swapper/700:23:427
2590671993735,2cyclictest3176652-21kworker/u16:3+events_unbound00:18:516
2590671993735,2cyclictest2946610-21kworker/u16:0+events_unbound22:36:116
2590671993735,2cyclictest2946610-21kworker/u16:0+events_unbound22:04:356
2590671993735,2cyclictest2885657-21kworker/u16:2+events_unbound22:26:546
2590671993634,2cyclictest3237764-21kworker/u16:4+events_unbound00:02:016
2590671993634,2cyclictest3115975-21kworker/u16:4+events_unbound23:16:426
2590671993634,2cyclictest3115975-21kworker/u16:4+events_unbound23:11:596
2590671993634,2cyclictest2946610-21kworker/u16:0+events_unbound22:46:426
2590671993634,2cyclictest2946610-21kworker/u16:0+events_unbound22:21:026
2590671993634,2cyclictest2946610-21kworker/u16:0+events_unbound22:16:586
2590671993634,2cyclictest2885657-21kworker/u16:2+events_unbound21:52:076
2590671993634,2cyclictest2825011-21kworker/u16:2+events_unbound21:19:016
2590673993534,0cyclictest0-21swapper/723:38:437
2590673993532,2cyclictest2955189-21ntpq21:58:557
2590671993533,2cyclictest2872348-21kworker/u16:3+events_unbound21:33:196
2590671993533,2cyclictest2872348-21kworker/u16:3+events_unbound21:33:196
2590671993533,2cyclictest2709407-21kworker/u16:1+events_unbound20:53:276
2590671993533,2cyclictest2709407-21kworker/u16:1+events_unbound20:53:276
2590671993533,2cyclictest2690838-21kworker/u16:3+events_unbound19:58:546
2590671993533,2cyclictest2632810-21kworker/u16:2+flush-8:019:38:456
2590671993532,2cyclictest2690838-21kworker/u16:3+flush-8:020:23:446
2590660993532,2cyclictest3163135-21kworker/u16:2+flush-8:023:28:514
2590673993431,2cyclictest3252910-21kthreadcore00:03:467
2590671993432,2cyclictest3028739-21kworker/u16:1+events_unbound23:57:066
2590671993432,2cyclictest3028739-21kworker/u16:1+events_unbound23:01:596
2590671993432,2cyclictest2970523-21kworker/u16:3+events_unbound22:31:146
2590671993432,2cyclictest2885657-21kworker/u16:2+events_unbound22:08:596
2590671993432,2cyclictest2885657-21kworker/u16:2+events_unbound22:08:596
2590671993432,2cyclictest2885657-21kworker/u16:2+events_unbound21:41:556
2590671993432,2cyclictest2709407-21kworker/u16:1+events_unbound21:16:436
2590671993432,2cyclictest2632810-21kworker/u16:2+flush-8:020:05:356
2590671993431,2cyclictest2542079-21kworker/u16:0+events_unbound19:33:416
2590671993431,2cyclictest2542079-21kworker/u16:0+events_unbound19:18:426
259010823424,7sleep60-21swapper/619:04:586
2590671993331,2cyclictest2872348-21kworker/u16:3+events_unbound21:56:236
2590671993331,2cyclictest2709407-21kworker/u16:1+events_unbound20:15:366
2590673993231,0cyclictest0-21swapper/719:53:437
2590673993228,3cyclictest2864001-21kthreadcore21:23:467
2590671993230,2cyclictest3260874-21kworker/u16:0+events_unbound00:17:356
2590671993230,2cyclictest3260874-21kworker/u16:0+events_unbound00:17:356
2590671993230,2cyclictest3028739-21kworker/u16:1+events_unbound22:39:236
2590671993230,2cyclictest2709407-21kworker/u16:1+events_unbound21:11:466
2590673993130,0cyclictest0-21swapper/722:23:587
2590671993129,2cyclictest2885657-21kworker/u16:2+events_unbound21:36:396
2590671993129,2cyclictest2786944-21kworker/u16:0+flush-8:020:58:436
2590671993128,2cyclictest2690838-21kworker/u16:3+flush-8:020:08:456
2590673993028,1cyclictest0-21swapper/722:34:357
2590673993027,2cyclictest2617190-21kthreadcore19:18:487
2590671993028,2cyclictest2885657-21kworker/u16:2+events_unbound21:59:506
2590671993028,2cyclictest2709407-21kworker/u16:1+events_unbound20:56:316
2590671993028,2cyclictest2690838-21kworker/u16:3+events_unbound20:42:356
2590671993028,2cyclictest2542079-21kworker/u16:0+events_unbound19:18:116
2590671993028,2cyclictest2542079-21kworker/u16:0+events_unbound19:18:116
2590673992928,0cyclictest0-21swapper/721:38:077
2590673992927,1cyclictest0-21swapper/721:13:597
2590673992926,2cyclictest2824970-21diskmemload00:34:027
2590671992927,2cyclictest2632810-21kworker/u16:2+flush-8:019:43:446
2590673992823,4cyclictest3237289-21latency_hist23:58:287
259067399280,26cyclictest3225157-21latency_hist23:53:287
2590671992826,2cyclictest2632810-21kworker/u16:2+events_unbound20:21:286
2590671992826,2cyclictest2632810-21kworker/u16:2+events_unbound19:31:386
2590671992825,2cyclictest2970523-21kworker/u16:3+events_unbound22:53:356
31506432270,1chrt3150644-21ssh23:20:307
2590673992725,1cyclictest2834069-21ssh21:08:567
2590671992624,2cyclictest2690838-21kworker/u16:3+flush-8:020:33:496
2590671992624,2cyclictest2632810-21kworker/u16:2+events_unbound19:50:126
2590671992624,2cyclictest2600119-21kworker/u16:4+flush-8:019:23:486
2590668992624,2cyclictest2872348-21kworker/u16:3+flush-8:021:53:285
2590673992522,2cyclictest2979457-21ntpq22:08:577
2590673992522,2cyclictest2979457-21ntpq22:08:577
2590673992522,2cyclictest2943055-21ntpq21:53:537
2590673992521,3cyclictest3129838-21ps23:13:467
259067399240,23cyclictest1448-21dockerd22:59:287
259067399240,22cyclictest2745390-21cut20:23:497
2590668992421,3cyclictest3163135-21kworker/u16:2+flush-8:000:28:275
2590673992221,0cyclictest0-21swapper/719:38:517
2590673992219,2cyclictest3112793-21awk23:03:547
259067399220,20cyclictest3276716-21kthreadcore00:13:467
259067399220,20cyclictest3276716-21kthreadcore00:13:467
2590671992220,2cyclictest2690838-21kworker/u16:3+flush-8:021:03:486
2590660992219,2cyclictest3091725-21kworker/u16:2+flush-8:022:58:384
2590660992218,3cyclictest2542079-21kworker/u16:0+flush-8:019:38:544
2590673992120,0cyclictest0-21swapper/723:09:387
2590673992120,0cyclictest0-21swapper/722:29:387
2590673992119,1cyclictest3174375-21rm23:29:347
2590671992119,2cyclictest1886821-21kworker/u16:1+events_unbound19:11:076
29346672200,1sleep40-21swapper/421:53:394
259067399200,18cyclictest2824969-21latency_hist21:08:287
2590671992018,2cyclictest2690838-21kworker/u16:3+events_unbound20:32:036
2590668992017,2cyclictest2690838-21kworker/u16:3+flush-8:020:23:545
28014982190,0sleep72801501-21cut20:53:487
2590673991918,0cyclictest0-21swapper/721:32:277
2590673991918,0cyclictest0-21swapper/721:32:277
2590673991918,0cyclictest0-21swapper/700:28:417
259067399180,16cyclictest3201365-21cpuspeed_turbos23:43:407
2590673991716,0cyclictest0-21swapper/722:44:597
259067399170,15cyclictest3188336-21sshd-session23:37:537
2590673991615,0cyclictest0-21swapper/721:03:237
2590673991614,1cyclictest2968402-21ssh22:04:517
2590673991613,2cyclictest3005255-21ssh22:20:357
2590673991613,2cyclictest1234-21snmpd19:50:587
2590673991613,1cyclictest3163835-21ssh23:27:277
2590660991612,3cyclictest2885657-21kworker/u16:2+flush-8:021:33:494
2590660991513,2cyclictest3260874-21kworker/u16:0+flush-8:000:18:224
2590660991513,2cyclictest3260874-21kworker/u16:0+flush-8:000:18:224
2590660991512,2cyclictest2970523-21kworker/u16:3+flush-8:023:18:384
2590660991512,2cyclictest2921605-21kworker/u16:1+flush-8:021:48:394
2590660991512,2cyclictest2786944-21kworker/u16:0+flush-8:020:53:544
2590673991413,0cyclictest0-21swapper/722:54:187
2590673991413,0cyclictest0-21swapper/722:41:187
2590673991411,2cyclictest0-21swapper/722:13:577
2590673991411,2cyclictest0-21swapper/719:43:547
259067399140,12cyclictest2720433-21cat20:13:447
2590668991413,1cyclictest0-21swapper/523:31:555
2590660991413,1cyclictest0-21swapper/423:51:554
2590660991413,1cyclictest0-21swapper/422:06:364
2590660991413,1cyclictest0-21swapper/421:24:404
2590660991413,1cyclictest0-21swapper/419:32:154
2590660991413,1cyclictest0-21swapper/400:29:464
259066099140,1cyclictest0-21swapper/422:51:324
259066099140,1cyclictest0-21swapper/422:34:404
259066099140,14cyclictest0-21swapper/423:17:524
259066099140,14cyclictest0-21swapper/422:17:294
259067399139,3cyclictest1234-21snmpd20:48:297
259067399139,3cyclictest1234-21snmpd20:48:297
2590673991312,0cyclictest0-21swapper/720:04:387
259067399130,12cyclictest3271959-21sh00:10:197
2590668991312,1cyclictest0-21swapper/523:47:035
2590668991312,1cyclictest0-21swapper/522:43:215
2590668991312,1cyclictest0-21swapper/522:01:155
2590668991312,1cyclictest0-21swapper/521:37:365
2590668991312,1cyclictest0-21swapper/500:31:405
2590668991312,1cyclictest0-21swapper/500:17:195
2590668991312,1cyclictest0-21swapper/500:17:195
2590668991312,1cyclictest0-21swapper/500:02:395
259066899130,1cyclictest0-21swapper/522:25:515
259066899130,13cyclictest0-21swapper/523:21:495
259066899130,13cyclictest0-21swapper/523:01:295
259066899130,13cyclictest0-21swapper/521:17:265
2590660991312,1cyclictest0-21swapper/423:38:124
2590660991312,1cyclictest0-21swapper/421:44:044
259066099130,13cyclictest0-21swapper/423:27:294
259066099130,13cyclictest0-21swapper/422:26:574
259066099130,13cyclictest0-21swapper/421:16:474
259066099130,13cyclictest0-21swapper/420:44:374
259066099130,0cyclictest0-21swapper/422:43:204
259067399129,2cyclictest1234-21snmpd20:09:197
259067399129,2cyclictest0-21swapper/721:18:427
259067399128,3cyclictest1234-21snmpd20:38:357
259067399128,3cyclictest1234-21snmpd00:01:597
2590673991210,1cyclictest1234-21snmpd22:48:477
2590668991211,1cyclictest0-21swapper/523:11:155
259066899120,1cyclictest0-21swapper/520:16:155
2590660991211,1cyclictest0-21swapper/423:08:254
2590660991211,1cyclictest0-21swapper/400:04:044
259066099120,11cyclictest0-21swapper/421:03:334
259067399118,2cyclictest2600103-21basename19:13:287
259067399118,2cyclictest1234-21snmpd21:46:227
259067399118,2cyclictest1234-21snmpd19:25:007
259067399117,3cyclictest1234-21snmpd19:16:247
259067399117,3cyclictest1234-21snmpd19:16:247
259067399116,4cyclictest1234-21snmpd20:45:027
259067399110,10cyclictest1234-21snmpd21:50:497
259066899118,2cyclictest2709407-21kworker/u16:1+flush-8:020:49:335
259066899118,2cyclictest2709407-21kworker/u16:1+flush-8:020:49:335
2590668991110,1cyclictest0-21swapper/522:52:015
2590668991110,1cyclictest0-21swapper/521:26:255
2590668991110,1cyclictest0-21swapper/520:43:325
259067399108,1cyclictest0-21swapper/719:28:587
259067399106,3cyclictest1234-21snmpd19:35:547
259067399104,4cyclictest2690858-21grep19:58:387
259066899109,1cyclictest0-21swapper/522:34:125
259066899109,1cyclictest0-21swapper/521:03:245
259066099108,2cyclictest2690838-21kworker/u16:3+flush-8:021:18:544
259066099107,2cyclictest2859899-21kworker/u16:0+flush-8:021:43:284
259066099101,8cyclictest0-21swapper/419:58:224
25906689998,1cyclictest0-21swapper/522:13:245
25906689998,1cyclictest0-21swapper/522:13:245
25906689995,1cyclictest681rcuog/422:28:385
2680852280,0sleep40-21swapper/419:53:274
25906689983,4cyclictest2591095-21cut19:08:415
25906689982,1cyclictest0-21swapper/523:24:005
25906609985,2cyclictest2690838-21kworker/u16:3+flush-8:021:08:544
25906609983,4cyclictest2598606-21cut19:08:494
25906609980,1cyclictest0-21swapper/400:03:024
25906689972,4cyclictest2600572-21timerwakeupswit19:13:295
25906689972,4cyclictest2600572-21timerwakeupswit19:13:295
25906689972,2cyclictest681rcuog/400:21:165
25906689972,2cyclictest0-21swapper/522:57:285
25906689971,1cyclictest201rcu_preempt22:13:465
3332942260,1sleep50-21swapper/500:35:545
3236228260,1sleep40-21swapper/423:56:344
2859940260,1sleep50-21swapper/521:20:555
25906689964,2cyclictest3028739-21kworker/u16:1+nfsiod23:48:465
25906689964,1cyclictest0-21swapper/519:33:285
25906689963,2cyclictest3163135-21kworker/u16:2+flush-8:023:33:575
25906689963,2cyclictest29461152sleep521:58:225
25906689963,2cyclictest29091532sleep521:42:115
25906689962,3cyclictest5827-21JS15:59:265
25906689962,3cyclictest2885653-21systemd21:33:275
25906689962,3cyclictest2885653-21systemd21:33:275
25906689962,3cyclictest1886821-21kworker/u16:1+flush-8:019:53:595
25906689962,2cyclictest0-21swapper/519:25:245
25906689962,1cyclictest0-21swapper/519:20:045
25906689961,4cyclictest0-21swapper/522:04:295
25906689961,1cyclictest681rcuog/421:12:165
25906689960,4cyclictest0-21swapper/520:30:465
25906689960,4cyclictest0-21swapper/520:06:425
25906689960,2cyclictest0-21swapper/521:07:395
25906689960,2cyclictest0-21swapper/520:42:375
25906689960,2cyclictest0-21swapper/519:59:425
25906689960,2cyclictest0-21swapper/519:48:255
25906689960,2cyclictest0-21swapper/519:37:595
25906609965,1cyclictest0-21swapper/421:03:234
25906609964,2cyclictest1886821-21kworker/u16:1+events_unbound19:13:304
25906609964,2cyclictest1886821-21kworker/u16:1+events_unbound19:13:304
25906609964,1cyclictest3310058-21turbostat00:28:274
25906609963,2cyclictest30657742chrt22:45:244
25906609961,3cyclictest0-21swapper/419:23:494
25906609961,3cyclictest0-21swapper/400:19:474
25906609960,1cyclictest0-21swapper/423:41:344
25906609960,1cyclictest0-21swapper/422:58:014
25906609960,1cyclictest0-21swapper/420:38:424
25906609960,1cyclictest0-21swapper/420:18:314
25906609960,1cyclictest0-21swapper/420:11:534
25906609960,1cyclictest0-21swapper/419:36:254
25906609960,1cyclictest0-21swapper/419:18:394
25906689950,5cyclictest0-21swapper/519:40:015
25906689950,4cyclictest3261939-21chrt00:08:285
25906689950,4cyclictest3254307-21taskset00:03:475
25906689950,4cyclictest3198656-21taskset23:39:355
25906689950,4cyclictest3137032-21chrt23:13:545
25906689950,4cyclictest3104278-21taskset23:03:375
25906689950,4cyclictest3055735-21taskset22:43:335
25906689950,4cyclictest2910268-21taskset21:43:305
25906689950,4cyclictest2799125-21taskset20:53:465
25906689950,4cyclictest2758092-21taskset20:33:355
25906689950,4cyclictest2730498-21chrt20:18:445
25906689950,4cyclictest2710030-21chrt20:08:355
25906689950,4cyclictest2680535-21taskset19:49:125
25906689950,3cyclictest0-21swapper/523:54:385
25906609950,5cyclictest0-21swapper/423:43:434
25906609950,5cyclictest0-21swapper/423:08:374
25906609950,5cyclictest0-21swapper/421:28:304
25906609950,5cyclictest0-21swapper/421:28:304
25906609950,5cyclictest0-21swapper/400:33:294
25906609950,4cyclictest5944-21gsd-housekeepin00:09:234
25906609950,4cyclictest3019348-21taskset22:28:334
25906609950,4cyclictest2970768-21taskset22:08:304
25906609950,4cyclictest2970768-21taskset22:08:304
25906609950,4cyclictest2954908-21chrt21:58:524
25906609950,4cyclictest2758841-21taskset20:33:424
25906609950,4cyclictest2748478-21chrt20:28:374
25906609950,4cyclictest2739178-21chrt20:23:404
25906609950,4cyclictest2709315-21taskset20:04:014
25906609950,4cyclictest2690828-21taskset19:58:324
25906609950,4cyclictest2670463-21chrt19:43:584
25906609950,3cyclictest0-21swapper/422:18:494
25906609950,1cyclictest0-21swapper/420:48:364
25906609950,1cyclictest0-21swapper/420:48:364
25906609950,1cyclictest0-21swapper/420:13:334
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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