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2026-04-12 - 06:51
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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 Sun Apr 12, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2224625994845,2cyclictest2670961-21kworker/u16:0+events_unbound23:16:596
2224622994745,2cyclictest2438574-21kworker/u16:0+events_unbound21:17:215
2224622994643,2cyclictest2720061-21kworker/u16:2+events_unbound00:01:585
2224622994643,2cyclictest2400134-21kworker/u16:1+events_unbound21:36:595
222412924634,8sleep40-21swapper/418:58:574
2224627994439,4cyclictest650-21systemd-journal20:46:577
2224622994442,2cyclictest2493452-21kworker/u16:3+events_unbound21:50:075
2224625994340,2cyclictest2889231-21kworker/u16:3+events_unbound00:16:596
2224625994340,2cyclictest2889231-21kworker/u16:3+events_unbound00:11:586
2224622994341,2cyclictest2816844-21kworker/u16:3+flush-8:023:31:575
2224622994340,2cyclictest2493452-21kworker/u16:3+events_unbound21:28:475
2224622994240,2cyclictest2912657-21kworker/u16:4+events_unbound00:25:355
2224622994240,2cyclictest2720061-21kworker/u16:2+events_unbound00:09:595
2224622994240,2cyclictest2599928-21kworker/u16:1+events_unbound23:20:505
2224622994240,2cyclictest2400134-21kworker/u16:1+events_unbound21:35:185
22241232421,36sleep70-21swapper/718:58:527
2224622994139,2cyclictest2625349-21kworker/u16:2+events_unbound22:25:025
2224622994139,2cyclictest2625349-21kworker/u16:2+events_unbound22:17:275
2224622994139,2cyclictest2541773-21kworker/u16:2+events_unbound21:53:155
2224622994138,2cyclictest2438574-21kworker/u16:0+events_unbound21:06:585
2224625994038,2cyclictest2625349-21kworker/u16:2+events_unbound22:26:086
2224625994037,2cyclictest2720061-21kworker/u16:2+events_unbound23:41:586
2224622994038,2cyclictest2637360-21kworker/u16:4+events_unbound22:40:585
2224622994038,2cyclictest2599928-21kworker/u16:1+events_unbound22:06:085
2224622993937,2cyclictest2912657-21kworker/u16:4+events_unbound00:27:505
2224622993937,2cyclictest2720061-21kworker/u16:2+events_unbound23:37:305
2224622993937,2cyclictest2670961-21kworker/u16:0+events_unbound23:51:545
2224622993937,2cyclictest2670961-21kworker/u16:0+events_unbound22:33:075
2224625993836,2cyclictest2381418-21kworker/u16:4+flush-8:020:22:236
2224625993835,2cyclictest2670961-21kworker/u16:0+events_unbound22:37:076
2224622993836,2cyclictest2637360-21kworker/u16:4+events_unbound22:49:555
2224622993836,2cyclictest2637360-21kworker/u16:4+events_unbound22:27:255
2224622993836,2cyclictest2599928-21kworker/u16:1+events_unbound23:22:475
2224622993835,2cyclictest2670961-21kworker/u16:0+flush-8:023:57:075
2224622993835,2cyclictest2266393-21kworker/u16:2+events_unbound19:41:595
2224627993734,2cyclictest902-21dbus-daemon22:21:577
2224625993735,2cyclictest2599928-21kworker/u16:1+events_unbound22:34:076
2224625993735,2cyclictest2438574-21kworker/u16:0+flush-8:021:52:306
2224622993736,1cyclictest2599928-21kworker/u16:1+events_unbound22:07:075
2224622993735,2cyclictest2912657-21kworker/u16:4+events_unbound00:12:065
2224622993735,2cyclictest2599928-21kworker/u16:1+events_unbound22:59:025
2224622993735,2cyclictest2599928-21kworker/u16:1+events_unbound22:53:385
2224622993735,2cyclictest2438574-21kworker/u16:0+events_unbound21:16:075
2224622993734,2cyclictest2670961-21kworker/u16:0+events_unbound22:42:025
2224625993634,2cyclictest2541773-21kworker/u16:2+events_unbound21:41:566
2224625993634,2cyclictest2238443-21kworker/u16:0+events_unbound19:12:116
2224622993634,2cyclictest2817269-21kworker/u16:4+events_unbound23:44:075
2224622993634,2cyclictest2670961-21kworker/u16:0+events_unbound23:04:315
2224622993634,2cyclictest2599928-21kworker/u16:1+events_unbound23:30:305
222416823626,7sleep50-21swapper/518:59:305
2224627993531,3cyclictest2613330-21latency_hist22:06:577
2224627993530,4cyclictest2685199-21latency_hist22:36:577
2224627993529,5cyclictest650-21systemd-journal19:06:577
2224625993533,2cyclictest2599928-21kworker/u16:1+events_unbound23:16:556
2224625993533,2cyclictest2493452-21kworker/u16:3+events_unbound21:28:556
2224622993533,2cyclictest2720061-21kworker/u16:2+events_unbound23:12:435
2224622993533,2cyclictest2670961-21kworker/u16:0+events_unbound23:56:395
2224622993533,2cyclictest2599928-21kworker/u16:1+events_unbound23:09:105
2224622993533,2cyclictest2438574-21kworker/u16:0+events_unbound21:23:545
2224622993533,2cyclictest2266393-21kworker/u16:2+events_unbound21:04:065
2224622993533,2cyclictest2266393-21kworker/u16:2+events_unbound19:52:595
2224625993432,2cyclictest2889231-21kworker/u16:3+events_unbound00:05:586
2224625993432,2cyclictest2816844-21kworker/u16:3+events_unbound23:34:156
2224625993432,2cyclictest2670961-21kworker/u16:0+events_unbound22:28:276
2224625993432,2cyclictest2400134-21kworker/u16:1+flush-8:021:11:576
2224625993431,2cyclictest2266393-21kworker/u16:2+events_unbound21:01:596
2224622993432,2cyclictest2599928-21kworker/u16:1+events_unbound22:13:595
2224622993432,2cyclictest2541773-21kworker/u16:2+events_unbound21:43:075
222418723424,7sleep60-21swapper/618:59:476
2224625993331,2cyclictest2817269-21kworker/u16:4+events_unbound23:59:436
2224625993331,2cyclictest2720061-21kworker/u16:2+events_unbound23:39:596
2224625993331,2cyclictest2438574-21kworker/u16:0+events_unbound21:26:076
2224625993331,2cyclictest2266393-21kworker/u16:2+flush-8:019:56:586
2224625993330,2cyclictest2960274-21kworker/u16:1+events_unbound00:31:386
2224625993330,2cyclictest2817269-21kworker/u16:4+flush-8:023:52:026
2224622993331,2cyclictest2889231-21kworker/u16:3+events_unbound00:17:425
2224622993330,2cyclictest2541773-21kworker/u16:2+events_unbound21:57:075
2224625993231,1cyclictest2599928-21kworker/u16:1+events_unbound23:23:186
2224625993230,2cyclictest2720061-21kworker/u16:2+events_unbound23:49:596
2224625993230,2cyclictest2599928-21kworker/u16:1+events_unbound23:03:596
2224625993230,2cyclictest2599928-21kworker/u16:1+events_unbound22:06:556
2224625993230,2cyclictest2493452-21kworker/u16:3+events_unbound21:49:556
2224625993230,2cyclictest2266393-21kworker/u16:2+events_unbound21:15:266
2224625993229,2cyclictest2599928-21kworker/u16:1+flush-8:023:27:076
2224625993129,2cyclictest2670961-21kworker/u16:0+events_unbound22:47:586
2224625993129,2cyclictest2438574-21kworker/u16:0+events_unbound21:34:026
2224625993129,2cyclictest2400134-21kworker/u16:1+flush-8:020:46:526
2224625993128,2cyclictest2493452-21kworker/u16:3+flush-8:021:17:026
2224622993129,2cyclictest1535277-21kworker/u16:1+events_unbound19:10:435
2224627993029,0cyclictest0-21swapper/723:22:157
2224627993029,0cyclictest0-21swapper/719:32:157
2224627993025,4cyclictest2661267-21latency_hist22:26:577
2224625993028,2cyclictest2720061-21kworker/u16:2+events_unbound23:07:196
2224625993028,2cyclictest2599928-21kworker/u16:1+flush-8:022:57:506
2224625993028,2cyclictest2238443-21kworker/u16:0+flush-8:020:17:246
2224625993028,2cyclictest2238443-21kworker/u16:0+events_unbound20:11:596
2224622993028,2cyclictest2238443-21kworker/u16:0+events_unbound19:13:565
25531712290,1chrt2553172-21ssh21:41:507
2224625992928,1cyclictest2541773-21kworker/u16:2+events_unbound21:44:566
2224625992927,2cyclictest2946594-21kworker/u16:0+events_unbound00:24:076
2224625992927,2cyclictest2889231-21kworker/u16:3+events_unbound00:09:396
2224625992927,2cyclictest2599928-21kworker/u16:1+events_unbound22:07:546
2224618992927,2cyclictest2400134-21kworker/u16:1+events_unbound21:02:124
2224627992823,4cyclictest2924923-21latency_hist00:16:567
2224625992826,2cyclictest2670961-21kworker/u16:0+events_unbound22:54:076
2224625992826,2cyclictest2599928-21kworker/u16:1+events_unbound22:16:086
2224627992721,5cyclictest2400218-21latency_hist20:31:587
2224622992725,2cyclictest2238443-21kworker/u16:0+events_unbound19:57:275
2224622992725,2cyclictest1535277-21kworker/u16:1+events_unbound19:03:155
2224625992624,2cyclictest2599928-21kworker/u16:1+events_unbound22:45:596
2224622992624,2cyclictest2400134-21kworker/u16:1+flush-8:020:32:085
2224618992623,2cyclictest2720061-21kworker/u16:2+flush-8:023:12:144
2224627992524,0cyclictest0-21swapper/720:02:127
2224625992523,2cyclictest2599928-21kworker/u16:1+events_unbound22:21:546
2224618992521,3cyclictest2493452-21kworker/u16:3+flush-8:021:46:574
2224627992423,0cyclictest0-21swapper/719:07:127
2224625992422,2cyclictest2400134-21kworker/u16:1+events_unbound20:36:526
2224618992422,2cyclictest2817269-21kworker/u16:4+events_unbound23:57:114
2224618992422,2cyclictest2599928-21kworker/u16:1+flush-8:022:37:124
2224622992321,2cyclictest2238443-21kworker/u16:0+events_unbound19:37:235
2224618992321,2cyclictest1535277-21kworker/u16:1+events_unbound19:02:114
27800822220,1chrt2780080-21ssh23:15:107
2224618992220,2cyclictest2625349-21kworker/u16:2+events_unbound22:22:244
2224618992219,2cyclictest2400134-21kworker/u16:1+flush-8:020:47:224
2224627992120,0cyclictest0-21swapper/721:22:147
2224627992119,1cyclictest2782236-21ssh23:17:117
2224625992119,2cyclictest2541773-21kworker/u16:2+events_unbound21:58:396
2224622992119,2cyclictest2238443-21kworker/u16:0+events_unbound20:18:595
2224627992019,0cyclictest0-21swapper/719:47:207
222462799200,18cyclictest2442187-21cut20:52:167
222462799200,18cyclictest2442187-21cut20:52:167
2224622992018,2cyclictest2438574-21kworker/u16:0+events_unbound20:58:475
2224622992018,2cyclictest2381418-21kworker/u16:4+events_unbound20:28:515
2224622992018,2cyclictest2381418-21kworker/u16:4+events_unbound20:22:465
2224622992018,2cyclictest2314349-21kworker/u16:3+events_unbound20:06:075
2224618992018,2cyclictest2670961-21kworker/u16:0+events_unbound22:47:114
2224627991918,0cyclictest0-21swapper/722:42:187
2224622991917,2cyclictest2438574-21kworker/u16:0+flush-8:020:52:075
2224622991917,2cyclictest2438574-21kworker/u16:0+flush-8:020:52:075
2224622991917,2cyclictest2238443-21kworker/u16:0+events_unbound19:21:085
2224618991917,2cyclictest2493452-21kworker/u16:3+flush-8:021:17:124
2224618991917,2cyclictest2493452-21kworker/u16:3+events_unbound21:32:224
2224618991915,3cyclictest2599928-21kworker/u16:1+flush-8:023:02:384
222462799189,8cyclictest0-21swapper/722:12:207
222462799187,10cyclictest0-21swapper/723:27:097
2224627991818,0cyclictest0-21swapper/721:12:267
2224627991818,0cyclictest0-21swapper/721:07:137
2224627991817,0cyclictest0-21swapper/719:17:207
2224627991817,0cyclictest0-21swapper/700:17:247
2224627991811,6cyclictest0-21swapper/723:01:577
222462799180,17cyclictest2900870-21latency_hist00:06:567
2224622991815,2cyclictest2266393-21kworker/u16:2+events_unbound19:46:585
2224618991816,2cyclictest2599928-21kworker/u16:1+events_unbound23:27:224
2224618991816,2cyclictest2438574-21kworker/u16:0+flush-8:022:02:224
2224627991713,3cyclictest1267-21snmpd22:37:127
2224627991711,5cyclictest2876872-21latency_hist23:56:577
2224627991711,5cyclictest2275974-21latency_hist19:26:577
2224622991715,2cyclictest2400134-21kworker/u16:1+events_unbound20:41:355
2224622991715,2cyclictest2266393-21kworker/u16:2+events_unbound20:51:475
2224622991715,2cyclictest2238443-21kworker/u16:0+events_unbound20:16:545
2224622991715,2cyclictest1535277-21kworker/u16:1+events_unbound19:31:005
222462799168,7cyclictest0-21swapper/721:57:157
222462799168,7cyclictest0-21swapper/721:47:187
222462799167,8cyclictest0-21swapper/723:57:167
222462799167,8cyclictest0-21swapper/723:32:167
222462799167,7cyclictest0-21swapper/721:02:157
222462799166,8cyclictest0-21swapper/721:32:157
2224627991614,1cyclictest2839254-21ssh23:38:587
2224627991611,4cyclictest2733102-21latency_hist22:56:577
2224622991614,2cyclictest2266393-21kworker/u16:2+events_unbound19:32:075
2224618991614,2cyclictest2720061-21kworker/u16:2+flush-8:023:32:114
2224618991613,2cyclictest2699177-21kthreadcore22:42:144
222462799157,7cyclictest0-21swapper/722:27:167
222462799157,7cyclictest0-21swapper/722:07:117
222462799157,7cyclictest0-21swapper/721:52:197
222462799156,8cyclictest0-21swapper/721:27:147
222462799156,8cyclictest0-21swapper/700:22:187
2224627991512,2cyclictest0-21swapper/721:41:577
222462799150,1cyclictest0-21swapper/719:37:227
222462799150,14cyclictest1267-21snmpd00:27:097
2224622991513,2cyclictest2238443-21kworker/u16:0+events_unbound20:10:115
2224622991513,2cyclictest2238443-21kworker/u16:0+events_unbound20:10:115
2224618991512,3cyclictest1535277-21kworker/u16:1+flush-8:019:22:234
222461899150,1cyclictest0-21swapper/423:55:524
222462799149,4cyclictest1267-21snmpd20:38:247
222462799147,6cyclictest0-21swapper/700:07:087
222462799146,7cyclictest0-21swapper/723:42:167
222462799146,7cyclictest0-21swapper/722:57:107
2224627991411,2cyclictest0-21swapper/720:57:227
2224625991411,2cyclictest2266393-21kworker/u16:2+flush-8:019:37:236
2224622991412,2cyclictest1535277-21kworker/u16:1+events_unbound19:23:075
2224618991413,1cyclictest0-21swapper/421:08:544
2224618991413,1cyclictest0-21swapper/400:22:404
2224618991413,1cyclictest0-21swapper/400:07:224
2224618991411,2cyclictest2625349-21kworker/u16:2+events_unbound22:17:094
222461899140,14cyclictest0-21swapper/421:22:474
222461899140,14cyclictest0-21swapper/400:15:064
222462799139,3cyclictest1267-21snmpd20:13:367
222462799139,3cyclictest1267-21snmpd19:43:207
222462799137,5cyclictest2342888-21latency_hist20:01:577
222462799136,6cyclictest0-21swapper/723:47:197
222462799136,6cyclictest0-21swapper/723:11:387
222462799135,7cyclictest0-21swapper/722:48:587
222462799135,7cyclictest0-21swapper/721:17:187
2224625991311,2cyclictest2410178-21kworker/u16:3+events_unbound20:52:126
2224625991311,2cyclictest2410178-21kworker/u16:3+events_unbound20:52:126
2224625991311,2cyclictest2266393-21kworker/u16:2+events_unbound19:22:076
2224622991311,2cyclictest2266393-21kworker/u16:2+events_unbound20:42:595
2224618991312,1cyclictest0-21swapper/423:26:234
2224618991312,1cyclictest0-21swapper/423:18:584
2224618991312,1cyclictest0-21swapper/419:16:584
2224618991312,1cyclictest0-21swapper/400:18:534
2224618991311,2cyclictest2266393-21kworker/u16:2+events_unbound19:52:124
222461899130,13cyclictest0-21swapper/423:01:284
222461899130,0cyclictest0-21swapper/423:08:244
222462799129,2cyclictest1267-21snmpd19:30:077
222462799128,3cyclictest2380083-21ntpq20:17:227
222462799128,3cyclictest1267-21snmpd20:32:517
222462799128,3cyclictest1267-21snmpd20:11:207
222462799128,3cyclictest1267-21snmpd20:11:207
222462799120,2cyclictest2255934-21ntpq19:12:227
222462599124,7cyclictest0-21swapper/620:47:136
2224625991211,1cyclictest0-21swapper/620:02:326
2224625991211,1cyclictest0-21swapper/619:16:596
222461899129,2cyclictest2590015-21cpuspeed_turbos21:57:104
222461899129,2cyclictest2238443-21kworker/u16:0+events_unbound19:27:104
2224618991211,1cyclictest0-21swapper/423:50:114
2224618991211,1cyclictest0-21swapper/422:52:384
2224618991211,1cyclictest0-21swapper/420:54:524
2224618991211,1cyclictest0-21swapper/420:54:524
2224618991211,1cyclictest0-21swapper/420:30:554
2224618991211,1cyclictest0-21swapper/420:02:044
2224618991211,1cyclictest0-21swapper/419:42:024
2224618991211,1cyclictest0-21swapper/400:28:204
222461899120,1cyclictest0-21swapper/420:25:334
222461899120,1cyclictest0-21swapper/419:09:154
222462799117,3cyclictest2389690-21ntp_states20:22:257
222462799117,3cyclictest1267-21snmpd20:51:127
222462599119,2cyclictest2266393-21kworker/u16:2+flush-8:019:47:256
222462599118,3cyclictest2238443-21kworker/u16:0+flush-8:020:07:286
222462599118,3cyclictest2238443-21kworker/u16:0+flush-8:020:07:286
2224625991110,1cyclictest0-21swapper/619:52:186
2224625991110,1cyclictest0-21swapper/619:02:196
222461899119,2cyclictest2266393-21kworker/u16:2+events_unbound19:37:124
222461899119,2cyclictest2238443-21kworker/u16:0+events_unbound19:47:134
2224618991110,1cyclictest0-21swapper/423:46:334
2224618991110,1cyclictest0-21swapper/423:41:024
2224618991110,1cyclictest0-21swapper/422:11:204
2224618991110,1cyclictest0-21swapper/419:57:584
222461899110,11cyclictest0-21swapper/420:20:114
222462599108,2cyclictest2400134-21kworker/u16:1+events_unbound20:31:516
222462599108,2cyclictest2266393-21kworker/u16:2+flush-8:019:32:126
222462599108,2cyclictest2266393-21kworker/u16:2+events_unbound19:29:326
222462599107,2cyclictest2400134-21kworker/u16:1+flush-8:020:37:136
222461899109,1cyclictest0-21swapper/421:31:364
222461899109,1cyclictest0-21swapper/420:16:344
222461899107,2cyclictest2720061-21kworker/u16:2+flush-8:000:02:134
22246279996,2cyclictest924-21NetworkManager19:52:097
22246259997,2cyclictest2266393-21kworker/u16:2+events_unbound19:46:546
22246259997,1cyclictest0-21swapper/619:07:236
22246259994,4cyclictest2448928-21tune2fs20:57:126
22246189998,1cyclictest0-21swapper/421:38:234
22246189998,1cyclictest0-21swapper/420:32:394
22246189997,1cyclictest0-21swapper/419:32:164
22246189992,4cyclictest2423799-21kthreadcore20:42:164
22246189990,8cyclictest2626032-21cpuspeed_turbos22:12:094
22246189990,8cyclictest2568990-21kthreadcore21:47:164
22246189987,1cyclictest0-21swapper/419:13:114
22246189985,2cyclictest0-21swapper/422:32:174
22246189985,2cyclictest0-21swapper/421:52:134
22246189983,4cyclictest2483389-21grep21:12:144
22246189983,4cyclictest2452274-21cut20:57:164
22246189983,4cyclictest2415537-21cut20:37:184
22246189983,4cyclictest2353522-21gltestperf20:07:124
22246189983,4cyclictest2353522-21gltestperf20:07:124
22246189972,4cyclictest2662640-21irqcore22:27:144
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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