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2026-07-17 - 17:42
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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 792 highest latencies:
System rack0slot2.osadl.org (updated Fri Jul 17, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8981152960,1sleep7898114-21nfs_client11:10:147
10969052950,1sleep71096906-21rm12:31:087
10327282940,1sleep40-21swapper/412:05:084
35527125621,30sleep70-21swapper/707:07:187
35531625443,7sleep50-21swapper/507:07:565
355728994240,2cyclictest572712-21kworker/u16:0+flush-8:012:15:004
35523823726,8sleep40-21swapper/407:06:514
355733993634,2cyclictest582847-21kworker/u16:3+events_unbound09:19:476
355728993634,2cyclictest572712-21kworker/u16:0+flush-8:011:44:594
355728993532,2cyclictest572712-21kworker/u16:0+flush-8:011:30:034
355733993432,2cyclictest765622-21kworker/u16:4+events_unbound11:57:466
355733993432,2cyclictest572712-21kworker/u16:0+flush-8:012:34:596
355728993431,2cyclictest827542-21kworker/u16:1+events_unbound10:59:554
355728993430,3cyclictest572712-21kworker/u16:0+flush-8:011:40:104
355733993230,2cyclictest572712-21kworker/u16:0+events_unbound10:51:216
355733993230,2cyclictest1046532-21kworker/u16:1+events_unbound12:18:586
355728993230,2cyclictest373502-21kworker/u16:3+flush-8:007:25:014
35529923221,8sleep60-21swapper/607:07:416
355733993129,2cyclictest586769-21kworker/u16:4+events_unbound09:09:206
355733993129,2cyclictest1046532-21kworker/u16:1+events_unbound12:31:426
355733993125,6cyclictest765622-21kworker/u16:4+events_unbound10:24:296
9293772300,1chrt929378-21kthreadcore11:25:047
355733993028,2cyclictest572712-21kworker/u16:0+flush-8:009:34:116
355733992927,2cyclictest713434-21kworker/u16:3+events_unbound10:19:226
355733992927,2cyclictest572712-21kworker/u16:0+flush-8:011:47:176
355733992927,2cyclictest572712-21kworker/u16:0+events_unbound11:38:136
355733992927,2cyclictest572712-21kworker/u16:0+events_unbound10:47:586
355733992927,2cyclictest1024947-21kworker/u16:6+events_unbound12:20:106
355728992927,2cyclictest689593-21kworker/u16:2+flush-8:009:50:114
4959362280,1chrt0-21swapper/408:19:584
355733992826,2cyclictest960202-21kworker/u16:2+events_unbound11:42:026
355733992826,2cyclictest827542-21kworker/u16:1+events_unbound10:57:016
355733992826,2cyclictest765622-21kworker/u16:4+events_unbound12:03:536
355733992826,2cyclictest713434-21kworker/u16:3+flush-8:010:08:496
355733992826,2cyclictest713434-21kworker/u16:3+flush-8:010:08:496
355733992826,2cyclictest626922-21kworker/u16:1+flush-8:009:46:136
355733992826,2cyclictest626922-21kworker/u16:1+events_unbound09:36:426
355733992826,2cyclictest572712-21kworker/u16:0+events_unbound12:12:046
355733992826,2cyclictest465900-21kworker/u16:1+events_unbound08:23:016
355733992826,2cyclictest465900-21kworker/u16:1+events_unbound08:04:476
355733992826,2cyclictest447792-21kworker/u16:4+events_unbound08:19:366
355733992825,2cyclictest524611-21kworker/u16:3+events_unbound08:39:596
355728992826,2cyclictest713434-21kworker/u16:3+events_unbound10:07:154
355728992826,2cyclictest713434-21kworker/u16:3+events_unbound10:07:154
355728992826,2cyclictest365474-21kworker/u16:2+flush-8:007:39:464
355728992825,2cyclictest572712-21kworker/u16:0+events_unbound10:54:484
355733992725,2cyclictest765622-21kworker/u16:4+events_unbound11:49:576
355733992725,2cyclictest765622-21kworker/u16:4+events_unbound11:24:546
355733992725,2cyclictest765622-21kworker/u16:4+events_unbound10:28:026
355733992725,2cyclictest572712-21kworker/u16:0+flush-8:011:10:566
355733992725,2cyclictest572712-21kworker/u16:0+flush-8:010:00:176
355733992725,2cyclictest572712-21kworker/u16:0+events_unbound10:12:276
355733992725,2cyclictest418007-21kworker/u16:0+events_unbound07:41:256
355733992725,2cyclictest345912-21kworker/u16:0+events_unbound07:21:006
355733992725,2cyclictest345912-21kworker/u16:0+events_unbound07:14:006
355728992725,2cyclictest778005-21kworker/u16:5+flush-8:010:38:514
10363272270,1chrt1036328-21sh12:08:087
7382342260,1chrt738232-21ssh10:05:467
7382342260,1chrt738232-21ssh10:05:467
355733992625,1cyclictest765622-21kworker/u16:4+events_unbound10:37:466
355733992624,2cyclictest827542-21kworker/u16:1+events_unbound10:59:496
355733992624,2cyclictest778005-21kworker/u16:5+flush-8:010:44:096
355733992624,2cyclictest713434-21kworker/u16:3+flush-8:009:55:466
355733992624,2cyclictest689593-21kworker/u16:2+events_unbound09:51:416
355733992624,2cyclictest582847-21kworker/u16:3+events_unbound09:11:066
355733992624,2cyclictest467777-21kworker/u16:2+flush-8:009:00:476
355733992624,2cyclictest447792-21kworker/u16:4+events_unbound07:59:206
355733992624,2cyclictest365474-21kworker/u16:2+events_unbound07:46:156
355733992623,2cyclictest345912-21kworker/u16:0+events_unbound07:29:486
355728992624,2cyclictest689593-21kworker/u16:2+flush-8:010:03:204
355728992624,2cyclictest572712-21kworker/u16:0+flush-8:012:11:564
355737992524,0cyclictest0-21swapper/709:20:037
355733992523,2cyclictest765622-21kworker/u16:4+events_unbound11:31:386
355733992523,2cyclictest765622-21kworker/u16:4+events_unbound11:24:346
355733992523,2cyclictest586769-21kworker/u16:4+events_unbound09:42:066
355733992523,2cyclictest572712-21kworker/u16:0+events_unbound09:27:346
355733992523,2cyclictest465900-21kworker/u16:1+events_unbound08:29:086
355733992523,2cyclictest447792-21kworker/u16:4+events_unbound08:14:356
355733992523,2cyclictest365474-21kworker/u16:2+events_unbound07:38:376
355733992523,2cyclictest345912-21kworker/u16:0+events_unbound07:27:096
355728992523,2cyclictest765622-21kworker/u16:4+flush-8:011:35:194
355728992523,2cyclictest572712-21kworker/u16:0+flush-8:009:37:354
355728992523,2cyclictest572712-21kworker/u16:0+events_unbound12:37:144
355728992522,2cyclictest572712-21kworker/u16:0+flush-8:010:49:464
355728992521,2cyclictest365474-21kworker/u16:2+events_unbound07:40:014
355733992422,2cyclictest765622-21kworker/u16:4+events_unbound11:16:496
355733992422,2cyclictest582847-21kworker/u16:3+events_unbound09:17:256
355733992422,2cyclictest572712-21kworker/u16:0+events_unbound12:26:416
355733992422,2cyclictest572712-21kworker/u16:0+events_unbound10:33:266
355733992422,2cyclictest553654-21kworker/u16:4+events_unbound08:54:006
355731992422,2cyclictest765622-21kworker/u16:4+events_unbound11:14:565
355731992422,2cyclictest572712-21kworker/u16:0+flush-8:009:19:405
355731992422,2cyclictest572712-21kworker/u16:0+events_unbound12:35:035
355728992422,2cyclictest960202-21kworker/u16:2+flush-8:011:59:554
355728992422,2cyclictest572712-21kworker/u16:0+flush-8:010:50:524
355728992422,2cyclictest572712-21kworker/u16:0+flush-8:009:45:224
355728992421,2cyclictest467777-21kworker/u16:2+flush-8:008:35:044
355737992322,0cyclictest0-21swapper/709:17:197
355733992321,2cyclictest572712-21kworker/u16:0+events_unbound11:08:096
355733992321,2cyclictest495727-21kworker/u16:0+events_unbound08:31:216
355733992321,2cyclictest467777-21kworker/u16:2+events_unbound08:46:486
355733992321,2cyclictest465900-21kworker/u16:1+events_unbound08:04:296
355733992321,2cyclictest465900-21kworker/u16:1+events_unbound08:04:296
355733992321,2cyclictest408073-21kworker/u16:1+events_unbound07:52:406
355728992321,2cyclictest827542-21kworker/u16:1+flush-8:011:10:154
355728992321,2cyclictest765622-21kworker/u16:4+flush-8:011:23:554
355728992321,2cyclictest765622-21kworker/u16:4+flush-8:011:15:004
355728992321,2cyclictest762827-21kworker/u16:1+flush-8:010:20:154
355728992321,2cyclictest762827-21kworker/u16:1+events_unbound10:32:554
355728992321,2cyclictest626922-21kworker/u16:1+flush-8:009:30:564
355728992321,2cyclictest582847-21kworker/u16:3+events_unbound09:11:514
355733992220,2cyclictest572712-21kworker/u16:0+events_unbound12:04:486
355733992220,2cyclictest373502-21kworker/u16:3+events_unbound07:15:246
355731992220,2cyclictest765622-21kworker/u16:4+events_unbound11:54:405
355731992220,2cyclictest713434-21kworker/u16:3+flush-8:009:59:405
355728992220,2cyclictest572712-21kworker/u16:0+flush-8:009:25:084
355731992119,2cyclictest765622-21kworker/u16:4+events_unbound10:30:405
355728992119,2cyclictest197768-21kworker/u16:1+events_unbound07:14:594
355728992119,2cyclictest1046532-21kworker/u16:1+events_unbound12:33:554
355737992015,4cyclictest648-21systemd-journal09:14:457
355733992018,2cyclictest535404-21kworker/u16:1+events_unbound08:56:446
355733992018,2cyclictest495727-21kworker/u16:0+events_unbound08:38:376
355731992019,1cyclictest765622-21kworker/u16:4+events_unbound10:27:035
355731992018,2cyclictest913754-21kworker/u16:3+events_unbound11:49:355
355731992018,2cyclictest765622-21kworker/u16:4+flush-8:011:09:405
355731992018,2cyclictest765622-21kworker/u16:4+flush-8:010:35:045
355731992018,2cyclictest626922-21kworker/u16:1+flush-8:009:49:325
355728992018,2cyclictest913754-21kworker/u16:3+flush-8:011:54:554
355728992018,2cyclictest586769-21kworker/u16:4+flush-8:009:41:514
355728992018,2cyclictest1046532-21kworker/u16:1+flush-8:012:28:564
355731991917,2cyclictest913754-21kworker/u16:3+flush-8:011:56:005
355731991917,2cyclictest827542-21kworker/u16:1+flush-8:011:12:395
355731991917,2cyclictest765622-21kworker/u16:4+flush-8:011:40:595
355731991917,2cyclictest765622-21kworker/u16:4+flush-8:011:39:405
355731991917,2cyclictest765622-21kworker/u16:4+flush-8:010:53:275
355731991917,2cyclictest765622-21kworker/u16:4+events_unbound12:04:365
355731991917,2cyclictest689593-21kworker/u16:2+events_unbound10:04:365
355731991917,2cyclictest572712-21kworker/u16:0+events_unbound09:21:175
355731991917,2cyclictest447792-21kworker/u16:4+events_unbound08:19:535
355731991917,2cyclictest1024947-21kworker/u16:6+events_unbound12:25:215
355731991917,2cyclictest1024947-21kworker/u16:6+events_unbound12:18:195
355728991917,2cyclictest572712-21kworker/u16:0+events_unbound11:05:234
355728991917,2cyclictest572712-21kworker/u16:0+events_unbound09:54:484
355728991916,2cyclictest373502-21kworker/u16:3+flush-8:007:34:464
355737991815,2cyclictest1302-21snmpd10:34:277
355731991816,2cyclictest626922-21kworker/u16:1+events_unbound09:29:365
355731991816,2cyclictest572712-21kworker/u16:0+flush-8:010:55:555
355731991816,2cyclictest535404-21kworker/u16:1+events_unbound08:45:045
355731991816,2cyclictest418007-21kworker/u16:0+flush-8:007:44:515
355731991816,2cyclictest197768-21kworker/u16:1+flush-8:007:14:515
355731991816,2cyclictest1024947-21kworker/u16:6+events_unbound12:31:585
355731991815,2cyclictest765622-21kworker/u16:4+flush-8:011:22:225
355728991816,2cyclictest713434-21kworker/u16:3+events_unbound10:19:434
355728991815,2cyclictest1024947-21kworker/u16:6+events_unbound12:19:584
35573799170,15cyclictest1302-21snmpd11:22:317
355731991715,2cyclictest827542-21kworker/u16:1+flush-8:010:49:415
355731991715,2cyclictest827542-21kworker/u16:1+events_unbound11:00:465
355731991715,2cyclictest713434-21kworker/u16:3+events_unbound10:18:395
355731991715,2cyclictest689593-21kworker/u16:2+flush-8:010:20:565
355731991715,2cyclictest626922-21kworker/u16:1+events_unbound09:36:085
355731991715,2cyclictest586769-21kworker/u16:4+flush-8:009:10:275
355731991715,2cyclictest572712-21kworker/u16:0+flush-8:010:41:055
355731991715,2cyclictest1024947-21kworker/u16:6+flush-8:012:10:275
355731991715,2cyclictest1024947-21kworker/u16:6+flush-8:012:09:035
355728991715,2cyclictest913754-21kworker/u16:3+events_unbound11:54:114
355728991715,2cyclictest582847-21kworker/u16:3+flush-8:009:20:154
355728991715,2cyclictest467777-21kworker/u16:2+flush-8:008:34:464
355728991715,2cyclictest418007-21kworker/u16:0+events_unbound08:00:464
355728991715,2cyclictest418007-21kworker/u16:0+events_unbound08:00:464
355728991714,2cyclictest467777-21kworker/u16:2+flush-8:008:15:174
355731991614,2cyclictest765622-21kworker/u16:4+events_unbound11:31:075
355731991614,2cyclictest713434-21kworker/u16:3+flush-8:010:12:045
355731991614,2cyclictest572712-21kworker/u16:0+events_unbound11:26:435
355731991614,2cyclictest1046532-21kworker/u16:1+events_unbound12:21:245
355731991612,2cyclictest572712-21kworker/u16:0+flush-8:010:07:075
355731991612,2cyclictest572712-21kworker/u16:0+flush-8:010:07:075
355728991615,1cyclictest765622-21kworker/u16:4+events_unbound11:25:394
355728991615,1cyclictest765622-21kworker/u16:4+events_unbound10:42:204
355728991614,2cyclictest535404-21kworker/u16:1+flush-8:008:55:174
355737991513,1cyclictest0-21swapper/708:20:087
355737991512,2cyclictest0-21swapper/710:15:117
355731991513,2cyclictest626922-21kworker/u16:1+events_unbound09:31:095
355731991513,2cyclictest535404-21kworker/u16:1+events_unbound08:59:535
35573799148,5cyclictest827201-21turbostat10:44:457
355737991413,0cyclictest0-21swapper/712:04:067
355737991413,0cyclictest0-21swapper/711:30:137
355737991411,2cyclictest495340-21turbostat08:19:457
355737991410,2cyclictest429290-21kthreadcore07:45:047
35573799140,13cyclictest0-21swapper/710:22:347
355731991413,1cyclictest0-21swapper/509:41:195
355731991412,2cyclictest373502-21kworker/u16:3+events_unbound07:35:185
355731991412,2cyclictest345912-21kworker/u16:0+events_unbound07:29:055
355731991412,2cyclictest345912-21kworker/u16:0+events_unbound07:20:545
355728991413,1cyclictest0-21swapper/410:29:264
355728991413,1cyclictest0-21swapper/409:05:054
355728991412,2cyclictest582847-21kworker/u16:3+flush-8:009:16:114
35573799139,3cyclictest1302-21snmpd12:09:567
35573799139,3cyclictest1302-21snmpd11:48:507
35573799139,3cyclictest1302-21snmpd10:51:307
35573799139,3cyclictest1302-21snmpd10:26:357
35573799139,3cyclictest1302-21snmpd07:58:477
35573799139,3cyclictest1302-21snmpd07:26:467
35573799139,3cyclictest1302-21snmpd07:14:287
35573799138,4cyclictest477070-21cat08:10:007
35573799135,7cyclictest6233-21gvfs-afc-volume08:05:157
35573799132,9cyclictest399166-21df_inode07:29:597
355737991311,1cyclictest0-21swapper/707:20:127
355737991310,2cyclictest0-21swapper/707:50:157
35573799130,3cyclictest1084324-21ssh12:25:437
355731991311,2cyclictest626922-21kworker/u16:1+flush-8:009:50:195
355731991311,2cyclictest553654-21kworker/u16:4+events_unbound08:50:235
355731991311,2cyclictest524611-21kworker/u16:3+events_unbound08:40:215
35572899138,4cyclictest582766-21latency_hist09:04:464
355728991311,2cyclictest572712-21kworker/u16:0+events_unbound10:11:354
355728991311,2cyclictest553654-21kworker/u16:4+events_unbound08:53:564
355728991310,2cyclictest3858007-21kworker/u16:7+flush-8:007:14:454
35572899130,12cyclictest0-21swapper/407:54:554
35573799129,2cyclictest1302-21snmpd12:36:337
35573799129,2cyclictest1302-21snmpd11:38:347
35573799129,2cyclictest1302-21snmpd10:44:517
35573799129,2cyclictest0-21swapper/711:05:007
35573799129,2cyclictest0-21swapper/711:00:117
35573799128,3cyclictest1302-21snmpd11:15:137
35573799128,3cyclictest1302-21snmpd09:05:007
35573799128,3cyclictest1302-21snmpd09:01:397
35573799128,3cyclictest1302-21snmpd08:58:217
35573799128,3cyclictest1302-21snmpd08:36:457
35573799128,3cyclictest1302-21snmpd07:19:227
35573799127,4cyclictest1063273-21cat12:20:007
35573799125,6cyclictest6233-21gvfs-afc-volume08:00:147
35573799125,6cyclictest6233-21gvfs-afc-volume08:00:147
355737991211,1cyclictest0-21swapper/708:49:467
355737991210,1cyclictest0-21swapper/712:15:127
355737991210,1cyclictest0-21swapper/709:50:147
355737991210,1cyclictest0-21swapper/708:25:097
35573799120,2cyclictest639460-21ssh09:25:397
35573799120,11cyclictest654234-21turbostat09:34:457
35573799120,10cyclictest418826-21iostat_ios07:40:027
35573799120,10cyclictest1302-21snmpd11:49:507
355731991211,1cyclictest0-21swapper/508:30:035
355731991211,1cyclictest0-21swapper/507:33:555
355731991210,2cyclictest495727-21kworker/u16:0+events_unbound08:25:165
35572899129,2cyclictest365474-21kworker/u16:2+flush-8:007:49:464
35572899120,1cyclictest0-21swapper/408:07:224
35572899120,12cyclictest0-21swapper/408:11:054
35573799118,2cyclictest1302-21snmpd08:53:247
35573799117,3cyclictest1302-21snmpd08:43:397
35573799116,4cyclictest853060-21tune2fs10:55:007
35573799116,4cyclictest667936-21cat09:40:027
35573799116,4cyclictest1001510-21cat11:55:027
35573799110,3cyclictest745330-21sh10:10:077
35573799110,2cyclictest714110-21ssh09:56:407
35573799110,1cyclictest716265-21ssh09:59:497
35573799110,1cyclictest665833-21ssh09:38:257
35573799110,10cyclictest682502-21sh09:45:067
35573199119,2cyclictest553654-21kworker/u16:4+flush-8:008:54:465
35573199119,2cyclictest418007-21kworker/u16:0+flush-8:007:54:465
35573199119,2cyclictest418007-21kworker/u16:0+events_unbound07:54:005
35573199119,2cyclictest197768-21kworker/u16:1+events_unbound07:10:005
35573199110,11cyclictest0-21swapper/509:08:505
35573199110,11cyclictest0-21swapper/508:38:535
35573199110,0cyclictest0-21swapper/507:42:175
355728991110,1cyclictest0-21swapper/408:49:094
355728991110,1cyclictest0-21swapper/408:39:514
35573799108,1cyclictest0-21swapper/707:34:597
35573799105,5cyclictest6233-21gvfs-afc-volume10:36:127
35573799100,9cyclictest964555-21sed11:40:037
35573799100,9cyclictest523538-21ntpq08:30:137
35573199108,2cyclictest447792-21kworker/u16:4+flush-8:008:00:355
35573199108,2cyclictest447792-21kworker/u16:4+flush-8:008:00:355
35573199108,2cyclictest447137-21kworker/u16:3+events_unbound08:07:255
35572899108,2cyclictest465900-21kworker/u16:1+flush-8:008:24:464
35572899107,3cyclictest418007-21kworker/u16:0+flush-8:007:45:174
3557319997,2cyclictest467777-21kworker/u16:2+events_unbound08:09:595
3557319997,2cyclictest447792-21kworker/u16:4+events_unbound08:15:005
3557289976,1cyclictest0-21swapper/407:23:424
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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