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2026-07-10 - 17:47
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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 Jul 10, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
128466721000,1sleep50-21swapper/512:00:035
10212532980,1sleep71021254-21sh10:13:387
9284802970,1sleep7928483-21cut09:35:077
7688702970,1sleep7768871-21kthreadcore08:20:077
6140292830,6chrt0-21swapper/607:04:576
62298525419,30sleep70-21swapper/707:08:047
62301224636,7sleep50-21swapper/507:08:265
623394994341,2cyclictest1302695-21kworker/u16:0+events_unbound12:20:006
623394994239,2cyclictest1083121-21kworker/u16:2+events_unbound10:40:006
623394994037,2cyclictest785625-21kworker/u16:4+events_unbound08:40:166
623389994038,2cyclictest752714-21kworker/u16:2+events_unbound09:33:085
623394993937,2cyclictest922506-21kworker/u16:1+events_unbound09:54:036
623394993937,2cyclictest895343-21kworker/u16:0+events_unbound11:01:286
623389993937,2cyclictest960017-21kworker/u16:2+events_unbound09:57:535
623394993836,2cyclictest969092-21kworker/u16:3+events_unbound10:16:256
623394993836,2cyclictest895343-21kworker/u16:0+events_unbound10:24:446
623394993835,2cyclictest922506-21kworker/u16:1+events_unbound09:44:596
623394993835,2cyclictest922506-21kworker/u16:1+events_unbound09:44:596
623389993836,2cyclictest922506-21kworker/u16:1+events_unbound09:48:405
623389993836,2cyclictest922506-21kworker/u16:1+events_unbound09:48:405
623389993836,2cyclictest895343-21kworker/u16:0+events_unbound10:31:325
623394993735,2cyclictest972340-21kworker/u16:5+events_unbound10:00:286
623394993735,2cyclictest895343-21kworker/u16:0+events_unbound11:52:486
623394993735,2cyclictest895343-21kworker/u16:0+events_unbound11:52:486
623394993735,2cyclictest895343-21kworker/u16:0+events_unbound11:36:396
623394993735,2cyclictest895343-21kworker/u16:0+events_unbound11:09:006
623394993735,2cyclictest785625-21kworker/u16:4+events_unbound09:25:486
623394993735,2cyclictest752714-21kworker/u16:2+events_unbound09:17:286
623394993735,2cyclictest752714-21kworker/u16:2+events_unbound09:10:166
623394993735,2cyclictest1231668-21kworker/u16:1+events_unbound12:02:526
623394993735,2cyclictest1182387-21kworker/u16:4+events_unbound11:34:126
623394993735,2cyclictest1009581-21kworker/u16:1+events_unbound10:28:236
623394993735,2cyclictest1009581-21kworker/u16:1+events_unbound10:28:236
623394993734,2cyclictest1231669-21kworker/u16:2+events_unbound11:55:196
623389993735,2cyclictest972340-21kworker/u16:5+events_unbound10:07:045
623389993735,2cyclictest969092-21kworker/u16:3+events_unbound10:04:365
623389993735,2cyclictest785625-21kworker/u16:4+flush-8:009:50:005
623389993735,2cyclictest1302695-21kworker/u16:0+events_unbound12:22:035
623389993735,2cyclictest1105810-21kworker/u16:3+events_unbound11:10:515
623394993634,2cyclictest972340-21kworker/u16:5+events_unbound10:09:006
623394993634,2cyclictest895343-21kworker/u16:0+events_unbound11:17:246
623394993634,2cyclictest895343-21kworker/u16:0+events_unbound11:11:486
623394993634,2cyclictest895343-21kworker/u16:0+events_unbound10:53:516
623394993634,2cyclictest785625-21kworker/u16:4+events_unbound09:22:136
623394993634,2cyclictest1302695-21kworker/u16:0+events_unbound12:07:166
623394993634,2cyclictest1231668-21kworker/u16:1+events_unbound12:13:436
623394993634,2cyclictest1231668-21kworker/u16:1+events_unbound11:49:196
623394993634,2cyclictest1009581-21kworker/u16:1+events_unbound10:48:286
623394993634,2cyclictest1009581-21kworker/u16:1+events_unbound10:32:276
623389993634,2cyclictest895343-21kworker/u16:0+events_unbound11:17:595
623389993634,2cyclictest1105810-21kworker/u16:3+events_unbound11:08:525
62307623626,7sleep40-21swapper/407:09:224
623394993533,2cyclictest895343-21kworker/u16:0+events_unbound11:29:446
623394993533,2cyclictest1277605-21kworker/u16:3+events_unbound12:19:116
623394993533,2cyclictest1105810-21kworker/u16:3+events_unbound11:21:366
623394993533,2cyclictest1083121-21kworker/u16:2+events_unbound10:55:196
623389993533,2cyclictest895343-21kworker/u16:0+events_unbound09:36:165
623389993533,2cyclictest1330442-21kworker/u16:4+events_unbound12:28:425
623389993533,2cyclictest1105810-21kworker/u16:3+events_unbound11:28:525
623394993432,2cyclictest960017-21kworker/u16:2+events_unbound09:56:436
623394993432,2cyclictest895343-21kworker/u16:0+events_unbound09:40:166
623394993432,2cyclictest895343-21kworker/u16:0+events_unbound09:37:286
623394993432,2cyclictest1231669-21kworker/u16:2+events_unbound11:43:436
623389993432,2cyclictest1277605-21kworker/u16:3+events_unbound12:16:275
623389993432,2cyclictest1182387-21kworker/u16:4+flush-8:011:35:005
623389993432,2cyclictest1083121-21kworker/u16:2+events_unbound10:46:195
623389993432,2cyclictest1009581-21kworker/u16:1+events_unbound10:21:155
623394993331,2cyclictest895343-21kworker/u16:0+events_unbound10:11:526
623394993331,2cyclictest656306-21kworker/u16:0+events_unbound07:25:086
623394993331,2cyclictest1330442-21kworker/u16:4+events_unbound12:33:276
623394993331,2cyclictest1330442-21kworker/u16:4+events_unbound12:33:276
623394993331,2cyclictest1083121-21kworker/u16:2+events_unbound10:39:396
623389993331,2cyclictest895343-21kworker/u16:0+events_unbound11:50:595
623389993331,2cyclictest895343-21kworker/u16:0+events_unbound11:50:595
623389993331,2cyclictest785625-21kworker/u16:4+events_unbound09:39:515
623389993331,2cyclictest1105810-21kworker/u16:3+events_unbound11:40:435
623389993230,2cyclictest898037-21kworker/u16:3+events_unbound09:26:395
9978482310,1chrt997850-21grep10:04:567
623394993129,2cyclictest922506-21kworker/u16:1+events_unbound09:34:136
623394993129,2cyclictest695526-21kworker/u16:0+flush-8:007:59:406
623394993128,2cyclictest1367439-21kworker/u16:2+flush-8:012:35:366
623389993129,2cyclictest895343-21kworker/u16:0+events_unbound11:20:315
623389993129,2cyclictest895343-21kworker/u16:0+events_unbound10:40:415
623389993129,2cyclictest752714-21kworker/u16:2+flush-8:009:15:045
623389993129,2cyclictest698691-21kworker/u16:2+events_unbound07:54:485
623389993129,2cyclictest1302695-21kworker/u16:0+events_unbound12:31:535
623389993129,2cyclictest1302695-21kworker/u16:0+events_unbound12:31:535
623389993129,2cyclictest1231668-21kworker/u16:1+events_unbound12:38:385
623394993028,2cyclictest613441-21kworker/u16:4+events_unbound07:20:566
623394993027,2cyclictest752714-21kworker/u16:2+events_unbound09:07:126
623394993027,2cyclictest752714-21kworker/u16:2+events_unbound09:07:126
623394993027,2cyclictest695526-21kworker/u16:0+flush-8:008:04:566
623389993028,2cyclictest969092-21kworker/u16:3+events_unbound10:29:235
623389993028,2cyclictest969092-21kworker/u16:3+events_unbound10:29:235
623389993028,2cyclictest764568-21kworker/u16:3+events_unbound08:20:575
623389993028,2cyclictest763692-21kworker/u16:1+flush-8:008:25:115
623389993028,2cyclictest1231668-21kworker/u16:1+events_unbound12:13:085
623389993027,2cyclictest895343-21kworker/u16:0+events_unbound11:30:335
623398992928,0cyclictest0-21swapper/709:26:207
623398992927,1cyclictest1330818-21ssh12:19:527
623398992923,5cyclictest744012-21latency_hist08:09:457
623389992927,2cyclictest841751-21kworker/u16:1+events_unbound09:13:395
623389992927,2cyclictest785625-21kworker/u16:4+events_unbound09:20:125
623389992927,2cyclictest785625-21kworker/u16:4+events_unbound08:46:165
623389992927,2cyclictest764568-21kworker/u16:3+events_unbound08:34:445
623389992927,2cyclictest752714-21kworker/u16:2+events_unbound08:36:125
623389992927,2cyclictest695526-21kworker/u16:0+events_unbound08:18:175
623389992927,2cyclictest1231668-21kworker/u16:1+events_unbound11:57:315
623389992927,2cyclictest1105810-21kworker/u16:3+events_unbound10:53:255
623394992826,2cyclictest841751-21kworker/u16:1+events_unbound09:00:126
623394992826,2cyclictest575224-21kworker/u16:3+flush-8:007:14:506
623389992826,2cyclictest969092-21kworker/u16:3+events_unbound10:18:135
623389992826,2cyclictest895343-21kworker/u16:0+events_unbound11:00:045
623389992826,2cyclictest613441-21kworker/u16:4+events_unbound07:14:175
623389992826,2cyclictest1231668-21kworker/u16:1+events_unbound12:07:375
623389992826,2cyclictest1182387-21kworker/u16:4+events_unbound11:49:335
623389992825,2cyclictest666429-21kworker/u16:1+events_unbound07:29:595
623398992726,0cyclictest0-21swapper/710:40:337
623394992725,2cyclictest752714-21kworker/u16:2+flush-8:008:50:116
623394992725,2cyclictest666429-21kworker/u16:1+events_unbound07:53:576
623394992725,2cyclictest1302695-21kworker/u16:0+events_unbound12:28:286
623389992725,2cyclictest972340-21kworker/u16:5+flush-8:010:10:425
623389992725,2cyclictest724562-21kworker/u16:4+events_unbound08:05:195
623389992725,2cyclictest666429-21kworker/u16:1+events_unbound07:46:165
623389992724,2cyclictest613441-21kworker/u16:4+flush-8:007:49:465
623394992624,2cyclictest669609-21kworker/u16:2+flush-8:007:30:116
623389992624,2cyclictest895343-21kworker/u16:0+events_unbound10:59:335
623389992624,2cyclictest752714-21kworker/u16:2+events_unbound08:55:155
623389992624,2cyclictest575224-21kworker/u16:3+flush-8:007:42:165
623389992624,2cyclictest575224-21kworker/u16:3+events_unbound07:24:175
623398992523,1cyclictest1155204-21ssh11:05:307
623394992524,1cyclictest764568-21kworker/u16:3+events_unbound08:20:076
623394992523,2cyclictest752714-21kworker/u16:2+events_unbound08:35:566
623394992522,2cyclictest695526-21kworker/u16:0+flush-8:007:45:026
623389992523,2cyclictest969092-21kworker/u16:3+events_unbound10:36:255
623389992523,2cyclictest724562-21kworker/u16:4+events_unbound08:12:085
623389992523,2cyclictest613441-21kworker/u16:4+flush-8:007:15:175
8850452240,1sleep40-21swapper/409:18:534
623398992423,0cyclictest0-21swapper/711:20:277
623398992421,2cyclictest884804-21rm09:18:287
623398992419,4cyclictest873176-21latency_hist09:14:457
623389992422,2cyclictest656306-21kworker/u16:0+flush-8:007:25:245
623389992421,2cyclictest752714-21kworker/u16:2+flush-8:008:40:045
623398992322,0cyclictest0-21swapper/708:38:057
623398992321,1cyclictest860831-21diskmemload10:55:277
623398992221,0cyclictest0-21swapper/708:34:317
623398992221,0cyclictest0-21swapper/708:27:317
623398992220,1cyclictest976860-21kthreadcore09:55:057
623394992220,2cyclictest724562-21kworker/u16:4+flush-8:008:16:576
623394992220,2cyclictest724227-21kworker/u16:3+events_unbound08:03:576
623389992220,2cyclictest752714-21kworker/u16:2+events_unbound08:53:125
623389992219,2cyclictest669609-21kworker/u16:2+flush-8:007:34:475
623398992120,0cyclictest0-21swapper/709:40:307
623394992119,2cyclictest752714-21kworker/u16:2+events_unbound08:58:196
623398992019,0cyclictest0-21swapper/709:51:367
623398992018,1cyclictest860831-21diskmemload11:55:057
623398992017,2cyclictest1256963-21cpuspeed_turbos11:49:567
623398992017,2cyclictest1256963-21cpuspeed_turbos11:49:567
623394992018,2cyclictest752714-21kworker/u16:2+events_unbound08:45:526
623394992017,2cyclictest752714-21kworker/u16:2+flush-8:008:24:556
623394992017,2cyclictest613441-21kworker/u16:4+flush-8:007:09:526
623389992018,2cyclictest785625-21kworker/u16:4+events_unbound09:04:195
623398991918,0cyclictest0-21swapper/709:06:597
623398991918,0cyclictest0-21swapper/709:06:597
623398991918,0cyclictest0-21swapper/708:51:117
623398991918,0cyclictest0-21swapper/708:43:537
623398991918,0cyclictest0-21swapper/708:03:287
623398991918,0cyclictest0-21swapper/707:40:197
623398991918,0cyclictest0-21swapper/707:19:557
623398991817,0cyclictest0-21swapper/708:12:417
623398991817,0cyclictest0-21swapper/707:30:117
623398991816,1cyclictest661933-21cut07:25:097
62339899180,16cyclictest1237350-21grep11:40:067
623394991816,2cyclictest575224-21kworker/u16:3+flush-8:007:40:446
623389991816,2cyclictest841751-21kworker/u16:1+events_unbound09:05:195
623389991816,2cyclictest841751-21kworker/u16:1+events_unbound09:05:195
623389991816,2cyclictest695526-21kworker/u16:0+flush-8:008:00:085
7941402170,1sleep40-21swapper/408:35:024
623398991716,0cyclictest0-21swapper/712:25:307
623398991716,0cyclictest0-21swapper/709:00:287
623398991715,1cyclictest0-21swapper/709:33:507
623398991714,2cyclictest1274-21snmpd07:36:447
62339899170,15cyclictest1302185-21latency12:05:097
623398991615,0cyclictest0-21swapper/711:35:147
623394991614,2cyclictest785625-21kworker/u16:4+events_unbound08:32:276
623398991514,0cyclictest0-21swapper/707:54:277
623398991514,0cyclictest0-21swapper/707:13:017
623398991512,2cyclictest1104615-21kthreadcore10:45:097
62339899150,13cyclictest704699-21taskset07:45:217
623394991513,2cyclictest695526-21kworker/u16:0+flush-8:008:10:476
623398991413,0cyclictest0-21swapper/711:32:237
623398991413,0cyclictest0-21swapper/708:59:317
623398991413,0cyclictest0-21swapper/707:18:357
623398991412,1cyclictest994184-21ssh10:00:167
623398991412,1cyclictest1133399-21ssh10:59:547
62338599146,3cyclictest0-21swapper/407:29:454
62338599141,13cyclictest0-21swapper/409:44:054
62338599141,13cyclictest0-21swapper/409:00:064
62339899138,4cyclictest1356364-21cat12:29:587
62339899138,4cyclictest1356364-21cat12:29:587
62339899138,4cyclictest1035473-21cat10:20:007
623398991311,1cyclictest894465-21ssh09:20:117
623398991311,1cyclictest1181599-21ssh11:18:347
623398991311,1cyclictest1109452-21ssh10:50:007
623385991312,1cyclictest0-21swapper/411:19:184
623385991312,1cyclictest0-21swapper/409:48:204
623385991312,1cyclictest0-21swapper/409:48:204
62338599130,1cyclictest0-21swapper/411:47:544
62339899128,3cyclictest1274-21snmpd12:19:307
62339899128,3cyclictest1274-21snmpd12:11:367
62339899126,5cyclictest6240-21gvfs-afc-volume10:25:387
62339899126,5cyclictest6240-21gvfs-afc-volume10:25:387
623398991211,1cyclictest1169193-21ssh11:13:237
623398991210,1cyclictest1205995-21ssh11:27:597
623398991210,1cyclictest0-21swapper/709:44:597
623398991210,1cyclictest0-21swapper/709:44:597
623394991210,2cyclictest575224-21kworker/u16:3+flush-8:007:35:066
623385991211,1cyclictest0-21swapper/411:24:594
623385991211,1cyclictest0-21swapper/410:14:404
623385991211,1cyclictest0-21swapper/409:59:514
62338599120,1cyclictest0-21swapper/410:49:494
62338599120,12cyclictest0-21swapper/412:32:084
62338599120,12cyclictest0-21swapper/412:32:084
62338599120,12cyclictest0-21swapper/411:22:094
62338599120,12cyclictest0-21swapper/407:19:124
62338599120,0cyclictest0-21swapper/410:44:094
62339899118,2cyclictest1274-21snmpd12:00:477
62339899118,2cyclictest1274-21snmpd10:32:187
62339899117,3cyclictest813365-21cat08:45:017
62339899117,3cyclictest1274-21snmpd12:39:287
62339899117,3cyclictest1274-21snmpd10:36:037
62339899117,3cyclictest1274-21snmpd08:16:307
62339899117,3cyclictest1274-21snmpd07:58:487
62339899115,4cyclictest1023768-21grep10:15:037
62338599114,6cyclictest971988-21chrt09:54:194
62338599114,6cyclictest1132684-21chrt10:59:194
62338599113,7cyclictest872935-21chrt09:14:204
62338599111,10cyclictest0-21swapper/408:59:094
623385991110,1cyclictest0-21swapper/410:48:244
623385991110,1cyclictest0-21swapper/408:48:074
623385991110,1cyclictest0-21swapper/407:21:054
62338599110,11cyclictest0-21swapper/408:31:244
62338599110,11cyclictest0-21swapper/408:27:374
62338599110,11cyclictest0-21swapper/408:23:504
62338599110,11cyclictest0-21swapper/407:39:424
62338599110,0cyclictest0-21swapper/409:58:264
62339899105,4cyclictest1249693-21grep11:45:057
62338599109,1cyclictest0-21swapper/411:10:074
62338599109,1cyclictest0-21swapper/409:36:594
62338599104,5cyclictest909276-21chrt09:27:594
62338599104,5cyclictest812125-21chrt08:44:074
62338599104,5cyclictest675659-21chrt07:32:364
62338599104,5cyclictest623985-21cstates07:09:584
62338599104,5cyclictest1353089-21chrt12:26:144
62338599104,5cyclictest1291350-21chrt12:01:144
62338599103,6cyclictest743690-21chrt08:05:214
62338599103,6cyclictest1057315-21sshd-session10:27:094
62338599103,6cyclictest1057315-21sshd-session10:27:094
62338599103,6cyclictest1007980-21chrt10:07:024
6233859998,1cyclictest0-21swapper/410:16:344
6233859994,4cyclictest5785-21gnome-shell10:33:554
6233859994,4cyclictest1341788-21taskset12:23:024
6233859993,5cyclictest860764-21taskset09:08:594
6233859993,5cyclictest860764-21taskset09:08:594
6233859993,5cyclictest754123-21chrt08:14:514
6233859993,5cyclictest714623-21chrt07:52:474
6233859993,5cyclictest705010-21taskset07:49:434
6233859993,5cyclictest695104-21chrt07:41:504
6233859993,5cyclictest1266964-21taskset11:51:364
6233859993,5cyclictest1266964-21taskset11:51:364
6233859993,5cyclictest1044369-21chrt10:21:044
6233859993,2cyclictest0-21swapper/411:05:054
6233859992,5cyclictest0-21swapper/412:10:044
6233859990,9cyclictest641ktimers/409:30:554
6233859986,2cyclictest0-21swapper/411:55:044
6233859984,3cyclictest831359-21chrt08:51:214
6233859983,4cyclictest753471-21chrt08:11:064
6233859983,4cyclictest733142-21chrt08:00:094
6233859983,4cyclictest5785-21gnome-shell11:37:544
6233859983,4cyclictest1303812-21chrt12:06:274
6233859983,4cyclictest1241756-21taskset11:40:464
6233859983,4cyclictest1217277-21sshd-session11:31:104
6233859983,4cyclictest1144710-21chrt11:03:444
6233859983,4cyclictest1082054-21sshd-session10:37:104
6233859982,5cyclictest1326860-21sshd-session12:15:094
6233859976,1cyclictest0-21swapper/409:19:514
6233859975,2cyclictest0-21swapper/412:34:464
6233859972,4cyclictest716373-21chrt07:55:044
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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