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2026-07-11 - 23:28
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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 Sat Jul 11, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25229752980,1sleep40-21swapper/410:54:594
25892002640,1sleep72589201-21grep11:20:037
202434926049,7sleep50-21swapper/507:06:485
202444725621,30sleep70-21swapper/707:08:107
2024852994239,2cyclictest2409988-21kworker/u16:2+flush-8:010:24:416
2024848994139,2cyclictest2574009-21kworker/u16:3+events_unbound12:35:145
202485799400,38cyclictest2286617-21latency_hist09:19:417
2024848994038,2cyclictest2299063-21kworker/u16:0+events_unbound10:08:475
2024852993936,2cyclictest1995185-21kworker/u16:0+flush-8:007:14:416
2024848993937,2cyclictest2640810-21kworker/u16:0+events_unbound11:47:235
2024848993836,2cyclictest2299063-21kworker/u16:0+events_unbound10:15:475
2024848993836,2cyclictest2299063-21kworker/u16:0+events_unbound10:00:155
2024848993836,2cyclictest2100492-21kworker/u16:3+events_unbound09:50:475
2024848993735,2cyclictest2444799-21kworker/u16:3+events_unbound10:22:035
2024848993634,2cyclictest2640810-21kworker/u16:0+events_unbound11:57:115
2024848993634,2cyclictest2483239-21kworker/u16:0+events_unbound11:02:425
2024848993634,2cyclictest2409988-21kworker/u16:2+events_unbound10:37:355
2024848993634,2cyclictest2271071-21kworker/u16:1+flush-8:010:40:075
2024857993529,5cyclictest2619794-21latency_hist11:34:417
2024857993529,5cyclictest2619794-21latency_hist11:34:417
2024848993533,2cyclictest2574009-21kworker/u16:3+events_unbound12:14:235
2024848993533,2cyclictest2574009-21kworker/u16:3+events_unbound12:14:235
2024848993533,2cyclictest2444799-21kworker/u16:3+events_unbound10:54:235
2024848993533,2cyclictest2409988-21kworker/u16:2+events_unbound10:31:555
2024848993533,2cyclictest2271071-21kworker/u16:1+events_unbound09:56:325
2024848993533,2cyclictest2100492-21kworker/u16:3+events_unbound09:30:195
2024848993432,2cyclictest2574009-21kworker/u16:3+events_unbound11:40:195
2024848993432,2cyclictest2271071-21kworker/u16:1+events_unbound10:45:555
2024848993432,2cyclictest2271071-21kworker/u16:1+events_unbound09:48:595
2024839993431,2cyclictest2508958-21kworker/u16:2+flush-8:011:04:564
202447123423,8sleep40-21swapper/407:08:314
2024848993331,2cyclictest2694280-21kworker/u16:5+events_unbound12:28:145
2024848993331,2cyclictest2508958-21kworker/u16:2+events_unbound11:17:155
2024848993331,2cyclictest2483239-21kworker/u16:0+events_unbound11:28:275
2024848993331,2cyclictest2193597-21kworker/u16:0+events_unbound08:43:565
2024848993230,2cyclictest2694280-21kworker/u16:5+flush-8:012:15:385
2024848993230,2cyclictest2694280-21kworker/u16:5+events_unbound12:09:205
2024848993230,2cyclictest2299063-21kworker/u16:0+events_unbound09:43:395
2024848993230,2cyclictest2271071-21kworker/u16:1+events_unbound09:13:435
2024848993129,2cyclictest2533557-21kworker/u16:4+flush-8:011:05:225
2024848993028,2cyclictest2204854-21kworker/u16:2+events_unbound08:45:205
2024852992927,2cyclictest2100492-21kworker/u16:3+flush-8:009:34:576
2024848992927,2cyclictest2640810-21kworker/u16:0+events_unbound12:02:005
2024848992927,2cyclictest2574009-21kworker/u16:3+flush-8:012:29:475
2024848992927,2cyclictest2574009-21kworker/u16:3+events_unbound11:35:025
2024848992927,2cyclictest2574009-21kworker/u16:3+events_unbound11:35:025
2024848992927,2cyclictest2005562-21kworker/u16:4+events_unbound07:12:525
2024848992926,2cyclictest2125817-21kworker/u16:1+events_unbound08:34:435
202447322919,7sleep60-21swapper/607:08:336
2024852992825,2cyclictest2299063-21kworker/u16:0+flush-8:010:19:416
2024848992826,2cyclictest2656851-21kworker/u16:4+events_unbound12:23:585
2024848992826,2cyclictest2574009-21kworker/u16:3+events_unbound11:51:045
2024848992826,2cyclictest2508958-21kworker/u16:2+events_unbound10:57:095
2024848992826,2cyclictest2100492-21kworker/u16:3+events_unbound09:15:365
2024848992725,2cyclictest2582914-21kworker/u16:5+events_unbound11:31:495
2024848992725,2cyclictest2582914-21kworker/u16:5+events_unbound11:31:495
2024848992725,2cyclictest2299063-21kworker/u16:0+events_unbound09:38:575
2024848992725,2cyclictest2271071-21kworker/u16:1+events_unbound10:12:325
2024848992624,2cyclictest2574009-21kworker/u16:3+events_unbound11:20:365
2024848992624,2cyclictest2409988-21kworker/u16:2+events_unbound10:25:495
2024848992624,2cyclictest2299063-21kworker/u16:0+flush-8:009:25:315
2024848992624,2cyclictest2299063-21kworker/u16:0+flush-8:009:25:315
2024848992624,2cyclictest2100492-21kworker/u16:3+events_unbound09:22:405
2024848992623,2cyclictest2100492-21kworker/u16:3+events_unbound07:54:435
2024848992623,2cyclictest2100492-21kworker/u16:3+events_unbound07:54:435
2024848992523,2cyclictest2483239-21kworker/u16:0+flush-8:011:10:265
2024848992523,2cyclictest2024614-21kworker/u16:1+events_unbound07:40:435
2024857992419,4cyclictest648-21systemd-journal12:19:417
2024848992422,2cyclictest2034491-21kworker/u16:3+events_unbound07:27:285
2024852992321,2cyclictest2299063-21kworker/u16:0+flush-8:010:01:186
2024848992321,2cyclictest2100492-21kworker/u16:3+events_unbound08:31:595
2024848992321,2cyclictest2034491-21kworker/u16:3+events_unbound07:23:555
2024848992220,2cyclictest2024614-21kworker/u16:1+events_unbound07:48:525
2024848992119,2cyclictest2100492-21kworker/u16:3+events_unbound09:06:585
2024848992118,2cyclictest2100492-21kworker/u16:3+flush-8:008:14:475
2024839992120,1cyclictest2483239-21kworker/u16:0+events_unbound11:27:174
2024839992119,2cyclictest2767855-21kworker/u16:1+flush-8:012:39:404
2024848992018,2cyclictest2193597-21kworker/u16:0+events_unbound08:50:275
2024848992018,2cyclictest2100492-21kworker/u16:3+flush-8:008:27:425
2024848992018,2cyclictest2100492-21kworker/u16:3+events_unbound08:22:525
2024848992018,2cyclictest1995185-21kworker/u16:0+events_unbound07:35:585
2024848991917,2cyclictest2125817-21kworker/u16:1+events_unbound08:01:535
2024848991917,2cyclictest2024614-21kworker/u16:1+events_unbound07:15:585
2024857991817,0cyclictest0-21swapper/710:13:277
2024852991816,2cyclictest2100492-21kworker/u16:3+flush-8:008:40:066
2024852991815,3cyclictest2299063-21kworker/u16:0+flush-8:009:29:566
2024848991816,2cyclictest2100492-21kworker/u16:3+events_unbound08:59:385
2024848991816,2cyclictest2100492-21kworker/u16:3+events_unbound08:11:535
2024848991816,2cyclictest1995185-21kworker/u16:0+events_unbound07:52:345
202485799170,1cyclictest0-21swapper/707:45:087
202485799170,16cyclictest0-21swapper/707:20:057
2024852991715,2cyclictest2100492-21kworker/u16:3+flush-8:008:14:576
2024839991714,2cyclictest2024614-21kworker/u16:1+flush-8:007:35:074
2024857991613,2cyclictest1274-21snmpd10:58:107
2024857991613,2cyclictest0-21swapper/709:54:427
202485799160,14cyclictest0-21swapper/707:55:077
202485799160,14cyclictest0-21swapper/707:55:077
202485299160,15cyclictest0-21swapper/607:40:016
202483999160,15cyclictest2261462-21timerwakeupswit09:05:094
2024857991512,2cyclictest0-21swapper/712:35:097
2024857991512,2cyclictest0-21swapper/711:49:417
2024857991511,3cyclictest1274-21snmpd12:18:497
2024848991513,2cyclictest2249750-21kworker/u16:4+events_unbound09:01:475
2024848991513,2cyclictest2034491-21kworker/u16:3+events_unbound07:31:465
202485799149,4cyclictest2744484-21cat12:24:577
202485799143,9cyclictest2439331-21kthreadcore10:20:007
202485799143,9cyclictest1274-21snmpd11:36:027
202485799143,9cyclictest1274-21snmpd11:36:027
2024857991412,1cyclictest2508431-21sh10:48:517
2024857991412,1cyclictest0-21swapper/708:39:597
2024857991412,1cyclictest0-21swapper/708:20:007
2024857991410,3cyclictest1274-21snmpd08:35:227
202485799140,1cyclictest0-21swapper/707:35:077
2024852991413,1cyclictest0-21swapper/612:26:006
2024852991413,1cyclictest0-21swapper/611:35:336
2024852991413,1cyclictest0-21swapper/611:35:336
2024852991413,1cyclictest0-21swapper/611:19:386
2024852991413,1cyclictest0-21swapper/611:04:116
2024852991413,1cyclictest0-21swapper/610:49:416
2024852991413,1cyclictest0-21swapper/610:09:106
2024852991413,1cyclictest0-21swapper/609:48:126
2024852991413,1cyclictest0-21swapper/609:17:556
202485299140,14cyclictest0-21swapper/610:50:096
202485299140,14cyclictest0-21swapper/610:28:436
2024848991412,2cyclictest2005562-21kworker/u16:4+events_unbound08:08:575
2024839991412,2cyclictest2100492-21kworker/u16:3+flush-8:009:44:464
202483999140,1cyclictest0-21swapper/409:27:234
202483999140,1cyclictest0-21swapper/409:27:234
202485799139,3cyclictest1274-21snmpd10:26:367
202485799139,3cyclictest1274-21snmpd10:15:187
202485799139,3cyclictest1274-21snmpd09:49:517
202485799138,4cyclictest2558152-21latency_hist11:09:417
2024857991312,0cyclictest0-21swapper/710:39:517
2024857991312,0cyclictest0-21swapper/710:04:517
2024857991312,0cyclictest0-21swapper/709:00:017
2024857991311,1cyclictest0-21swapper/711:54:547
2024857991311,1cyclictest0-21swapper/711:44:547
2024857991311,1cyclictest0-21swapper/709:35:027
2024857991311,1cyclictest0-21swapper/707:15:047
2024857991310,1cyclictest2301636-21ssh09:25:007
2024857991310,1cyclictest2301636-21ssh09:25:007
2024852991312,1cyclictest0-21swapper/609:58:266
2024852991311,2cyclictest2409988-21kworker/u16:2+flush-8:010:35:176
2024852991311,2cyclictest2100492-21kworker/u16:3+flush-8:009:28:596
2024852991311,2cyclictest2100492-21kworker/u16:3+flush-8:009:28:596
202485299130,12cyclictest0-21swapper/608:44:496
202485799129,2cyclictest1274-21snmpd10:32:587
202485799129,2cyclictest1274-21snmpd09:48:067
202485799129,2cyclictest1274-21snmpd07:41:037
202485799129,2cyclictest0-21swapper/709:39:417
202485799129,1cyclictest0-21swapper/709:10:087
202485799128,3cyclictest1274-21snmpd12:08:577
202485799128,3cyclictest1274-21snmpd10:34:437
202485799128,3cyclictest1274-21snmpd09:09:207
202485799128,3cyclictest1274-21snmpd08:57:147
202485799128,3cyclictest1274-21snmpd08:18:467
202485799126,5cyclictest983-21gmain11:09:587
202485799126,5cyclictest6534-21gmain08:09:557
202485799126,5cyclictest6064-21gmain11:24:577
202485799126,5cyclictest1959208-21gmain09:19:547
2024857991210,1cyclictest0-21swapper/707:30:067
202485799120,11cyclictest2543385-21sh11:00:227
202485799120,11cyclictest1274-21snmpd11:15:117
202485299129,2cyclictest2295586-21needreboot09:20:026
202485299128,3cyclictest2253360-21cat09:04:566
2024852991210,2cyclictest86-21ksoftirqd/607:50:036
202483999129,3cyclictest2444799-21kworker/u16:3+flush-8:010:34:414
2024839991211,1cyclictest0-21swapper/407:20:004
202483999120,12cyclictest0-21swapper/412:17:494
202483999120,12cyclictest0-21swapper/412:02:034
202483999120,12cyclictest0-21swapper/411:47:134
202485799119,1cyclictest2756627-21fschecks_count12:29:567
202485799119,1cyclictest0-21swapper/708:49:587
202485799119,1cyclictest0-21swapper/707:49:597
202485799118,2cyclictest6480-21wpa_supplicant08:45:047
202485799118,2cyclictest1274-21snmpd08:07:517
202485799118,2cyclictest0-21swapper/709:30:017
202485799117,3cyclictest6064-21gmain10:49:587
202485799117,3cyclictest2643875-21ssh11:43:457
202485799117,3cyclictest1274-21snmpd10:01:247
202485799115,5cyclictest983-21gmain12:00:587
2024857991110,0cyclictest0-21swapper/708:24:597
202485299119,2cyclictest86-21ksoftirqd/609:40:096
202485299119,2cyclictest2005562-21kworker/u16:4+flush-8:007:55:116
202485299119,2cyclictest2005562-21kworker/u16:4+flush-8:007:55:116
202485299118,2cyclictest0-21swapper/607:35:026
202485299117,3cyclictest2130339-21grep07:59:596
2024852991110,1cyclictest0-21swapper/608:39:086
2024852991110,1cyclictest0-21swapper/608:10:086
2024839991110,1cyclictest0-21swapper/411:50:044
2024839991110,1cyclictest0-21swapper/408:34:444
2024839991110,1cyclictest0-21swapper/408:32:504
2024839991110,1cyclictest0-21swapper/407:27:444
202483999110,1cyclictest0-21swapper/407:43:114
202483999110,1cyclictest0-21swapper/407:18:354
202483999110,11cyclictest0-21swapper/409:03:444
202483999110,11cyclictest0-21swapper/407:56:064
202483999110,11cyclictest0-21swapper/407:56:064
202485799109,0cyclictest0-21swapper/707:24:587
202485799108,1cyclictest0-21swapper/707:59:537
202485799107,2cyclictest0-21swapper/707:09:427
202485799106,3cyclictest1274-21snmpd08:29:467
202485799104,4cyclictest2706692-21cpuspeed12:09:537
202485799104,4cyclictest2706692-21cpuspeed12:09:537
202485299109,1cyclictest0-21swapper/608:50:016
202485299109,1cyclictest0-21swapper/607:31:496
202485299104,5cyclictest0-21swapper/608:20:026
202485299100,9cyclictest2097855-21ps07:45:006
202485299100,4cyclictest2135912-21/usr/sbin/munin08:05:046
202485299100,2cyclictest2055357-21grep07:20:026
202483999109,1cyclictest0-21swapper/412:19:424
202483999109,1cyclictest0-21swapper/410:05:044
202483999109,1cyclictest0-21swapper/409:20:174
202483999109,1cyclictest0-21swapper/407:11:204
202483999106,3cyclictest2136597-21grep08:04:554
202483999100,10cyclictest0-21swapper/409:39:574
2330100290,1chrt0-21swapper/409:35:014
20248529997,2cyclictest86-21ksoftirqd/612:35:076
20248529997,2cyclictest86-21ksoftirqd/612:19:566
20248529997,2cyclictest86-21ksoftirqd/612:17:286
20248529997,2cyclictest86-21ksoftirqd/612:00:026
20248529997,2cyclictest86-21ksoftirqd/611:54:356
20248529997,2cyclictest86-21ksoftirqd/611:20:066
20248529997,2cyclictest86-21ksoftirqd/611:09:356
20248529997,2cyclictest86-21ksoftirqd/610:42:316
20248529997,2cyclictest86-21ksoftirqd/609:49:566
20248529997,2cyclictest2582914-21kworker/u16:5+flush-8:011:39:566
20248529996,2cyclictest2061317-21cut07:24:596
20248529995,3cyclictest2251188-21netstat09:00:046
20248529994,4cyclictest2185322-21cat08:29:566
20248529994,1cyclictest0-21swapper/611:30:526
20248529994,1cyclictest0-21swapper/611:30:526
20248529990,8cyclictest2605295-21taskset11:25:556
20248529990,8cyclictest2262620-21grep09:09:546
20248529990,8cyclictest2175539-21hddtemp_smartct08:24:566
20248529990,2cyclictest2532611-21taskset10:58:066
20248529990,2cyclictest2238624-21cut08:55:026
20248399998,1cyclictest0-21swapper/408:11:244
20248399996,2cyclictest0-21swapper/407:50:024
20248399995,3cyclictest2210193-21kthreadcore08:40:004
20248399994,4cyclictest2224113-21tune2fs08:49:554
20248399994,4cyclictest2170305-21cut08:20:014
20248529986,2cyclictest86-21ksoftirqd/612:06:466
20248529986,2cyclictest86-21ksoftirqd/611:45:536
20248529986,2cyclictest86-21ksoftirqd/611:12:326
20248529986,2cyclictest2694280-21kworker/u16:5+flush-8:012:30:066
20248529984,3cyclictest2037962-21irqcore07:14:446
20248399986,1cyclictest0-21swapper/408:24:554
20248399986,1cyclictest0-21swapper/407:45:034
20248399984,3cyclictest2069938-21kthreadcore07:30:004
20248399983,4cyclictest2315569-21grep09:30:014
20248399983,4cyclictest2275927-21cut09:14:594
20248399983,4cyclictest2268062-21cut09:10:024
20248399983,4cyclictest2234985-21cut08:55:004
20248399983,4cyclictest2214373-21tune2fs08:44:574
20248399980,7cyclictest2126789-21tune2fs07:59:544
20248529975,2cyclictest86-21ksoftirqd/610:29:516
20248529974,2cyclictest0-21swapper/610:10:336
20248529971,6cyclictest0-21swapper/611:54:526
20248529970,7cyclictest0-21swapper/612:10:216
20248529970,7cyclictest0-21swapper/612:10:216
20248399973,3cyclictest5785-21gnome-shell11:40:504
20248399973,3cyclictest2155763-21expr08:14:544
20248399970,6cyclictest0-21swapper/412:08:044
20248399965,1cyclictest0-21swapper/412:14:354
20248399965,1cyclictest0-21swapper/412:14:354
20248399965,1cyclictest0-21swapper/411:00:154
20248399965,1cyclictest0-21swapper/410:00:204
20248399963,2cyclictest26698682sleep411:54:554
20248399963,2cyclictest2458952-21pool-gnome-soft10:28:424
20248399963,2cyclictest23706072sleep409:50:174
20248399961,3cyclictest0-21swapper/411:10:054
20248399960,5cyclictest5902-21gsd-housekeepin11:20:344
20248399960,5cyclictest0-21swapper/412:24:424
20248399960,1cyclictest0-21swapper/411:15:014
20248399960,1cyclictest0-21swapper/410:11:554
20248399951,3cyclictest5785-21gnome-shell10:39:514
20248399950,5cyclictest0-21swapper/412:30:224
20248399950,5cyclictest0-21swapper/411:29:444
20248399950,5cyclictest0-21swapper/411:29:444
20248399950,5cyclictest0-21swapper/410:45:224
20248399950,4cyclictest5785-21gnome-shell10:19:514
20248399950,4cyclictest2513882-21taskset10:50:024
20248399950,4cyclictest2472361-21taskset10:34:484
20248399950,2cyclictest0-21swapper/409:55:064
20248399950,1cyclictest0-21swapper/411:34:464
20248399950,1cyclictest0-21swapper/411:34:464
20248399950,1cyclictest0-21swapper/410:15:174
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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