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2026-07-16 - 14:38
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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 Thu Jul 16, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
297892925722,30sleep70-21swapper/707:06:117
297890724131,7sleep50-21swapper/507:05:535
297914623727,7sleep60-21swapper/607:09:156
297890523424,7sleep40-21swapper/407:05:524
2979460993230,2cyclictest3039452-21kworker/u16:4+events_unbound08:00:206
2979460993129,2cyclictest3377324-21kworker/u16:5+events_unbound10:32:286
2979457993129,2cyclictest3414399-21kworker/u16:1+flush-8:011:00:165
2979457993129,2cyclictest3414399-21kworker/u16:1+flush-8:011:00:165
2979460993028,2cyclictest3537730-21kworker/u16:3+events_unbound11:33:276
2979460993028,2cyclictest3377324-21kworker/u16:5+events_unbound10:28:036
2979460993028,2cyclictest3225599-21kworker/u16:2+events_unbound09:48:546
2979460993028,2cyclictest3139187-21kworker/u16:2+events_unbound08:33:416
2979457993028,2cyclictest3599183-21kworker/u16:1+flush-8:012:10:205
2979460992927,2cyclictest3522039-21kworker/u16:2+events_unbound11:24:026
2979460992927,2cyclictest3158173-21kworker/u16:0+events_unbound10:48:106
2979460992927,2cyclictest3090171-21kworker/u16:1+events_unbound09:02:256
2979460992826,2cyclictest3685672-21kworker/u16:1+events_unbound12:23:216
2979460992826,2cyclictest3599183-21kworker/u16:1+events_unbound12:09:056
2979460992826,2cyclictest3476053-21kworker/u16:3+events_unbound11:09:546
2979460992826,2cyclictest3377324-21kworker/u16:5+events_unbound10:51:186
2979460992826,2cyclictest3303232-21kworker/u16:3+events_unbound10:09:526
2979460992826,2cyclictest3225599-21kworker/u16:2+events_unbound09:53:006
2979460992826,2cyclictest3225599-21kworker/u16:2+events_unbound09:29:076
2979460992826,2cyclictest3039452-21kworker/u16:4+events_unbound07:58:256
2979460992826,2cyclictest3039452-21kworker/u16:4+events_unbound07:52:216
2979457992826,2cyclictest3197010-21kworker/u16:3+events_unbound09:20:045
2979460992725,2cyclictest3698000-21kworker/u16:4+events_unbound12:27:316
2979460992725,2cyclictest3599379-21kworker/u16:2+events_unbound11:49:346
2979460992725,2cyclictest3275642-21kworker/u16:1+flush-8:009:41:216
2979460992725,2cyclictest3158173-21kworker/u16:0+events_unbound12:01:146
2979457992725,2cyclictest3090171-21kworker/u16:1+events_unbound08:25:175
2979460992624,2cyclictest3599379-21kworker/u16:2+events_unbound11:59:156
2979460992624,2cyclictest3377324-21kworker/u16:5+events_unbound11:03:456
2979460992624,2cyclictest3377324-21kworker/u16:5+events_unbound11:03:456
2979460992624,2cyclictest3158173-21kworker/u16:0+events_unbound11:41:226
2979460992624,2cyclictest3090171-21kworker/u16:1+events_unbound08:17:366
2979460992523,2cyclictest3599379-21kworker/u16:2+flush-8:011:53:476
2979460992523,2cyclictest3599379-21kworker/u16:2+events_unbound12:37:116
2979460992523,2cyclictest3275642-21kworker/u16:1+events_unbound10:06:376
2979460992523,2cyclictest3275642-21kworker/u16:1+events_unbound10:00:226
2979460992523,2cyclictest3158173-21kworker/u16:0+flush-8:010:35:296
2979460992523,2cyclictest3158173-21kworker/u16:0+events_unbound11:07:066
2979460992523,2cyclictest3100203-21kworker/u16:3+events_unbound08:38:406
2979460992523,2cyclictest3090171-21kworker/u16:1+events_unbound08:46:536
2979460992523,2cyclictest2993265-21kworker/u16:3+events_unbound07:17:186
2979457992523,2cyclictest3090171-21kworker/u16:1+flush-8:008:24:115
2979457992521,3cyclictest3586846-21latency_hist11:39:495
2979460992422,2cyclictest3599379-21kworker/u16:2+events_unbound12:16:406
2979460992422,2cyclictest3537731-21kworker/u16:4+events_unbound11:26:076
2979460992422,2cyclictest3377324-21kworker/u16:5+events_unbound10:22:256
2979460992422,2cyclictest3225599-21kworker/u16:2+events_unbound09:56:316
2979460992422,2cyclictest3158173-21kworker/u16:0+events_unbound10:42:156
2979460992422,2cyclictest3158173-21kworker/u16:0+events_unbound10:16:216
2979460992422,2cyclictest3158173-21kworker/u16:0+events_unbound09:35:426
2979460992422,2cyclictest3090171-21kworker/u16:1+events_unbound08:42:216
2979460992422,2cyclictest3051315-21kworker/u16:0+events_unbound07:47:286
2979460992422,2cyclictest3039452-21kworker/u16:4+events_unbound07:36:496
2979460992422,2cyclictest2989350-21kworker/u16:1+events_unbound07:33:146
2979460992422,2cyclictest2906505-21kworker/u16:2+events_unbound07:40:106
2979460992321,2cyclictest3698000-21kworker/u16:4+events_unbound12:31:066
2979460992321,2cyclictest3377324-21kworker/u16:5+events_unbound10:57:276
2979460992321,2cyclictest3377324-21kworker/u16:5+events_unbound10:57:276
2979460992321,2cyclictest3225599-21kworker/u16:2+events_unbound09:23:476
2979460992321,2cyclictest2906505-21kworker/u16:2+events_unbound08:09:416
2979460992321,2cyclictest2906505-21kworker/u16:2+events_unbound07:28:136
2979460992321,2cyclictest2906505-21kworker/u16:2+events_unbound07:11:386
2979457992321,2cyclictest3090171-21kworker/u16:1+flush-8:009:05:055
2979457992320,3cyclictest3275642-21kworker/u16:1+flush-8:009:40:075
2979457992320,2cyclictest3599379-21kworker/u16:2+flush-8:012:05:075
2979463992217,4cyclictest648-21systemd-journal11:29:447
2979460992220,2cyclictest3158173-21kworker/u16:0+events_unbound08:53:576
2979460992220,2cyclictest3119238-21kworker/u16:0+events_unbound08:23:086
2979460992220,2cyclictest3090171-21kworker/u16:1+events_unbound08:27:536
2979460992220,2cyclictest2989350-21kworker/u16:1+events_unbound07:22:496
2979454992218,3cyclictest3302868-21latency_hist09:44:504
2979463992119,1cyclictest0-21swapper/711:34:497
2979460992119,2cyclictest3414399-21kworker/u16:1+events_unbound11:17:276
2979460992119,2cyclictest3100203-21kworker/u16:3+events_unbound08:11:136
2979457992119,2cyclictest3698000-21kworker/u16:4+events_unbound12:25:045
297946399200,18cyclictest6561-21fwupd08:18:447
2979460992018,2cyclictest3225599-21kworker/u16:2+events_unbound09:15:566
2979460992018,2cyclictest3197010-21kworker/u16:3+events_unbound09:30:516
2979457992018,2cyclictest3537731-21kworker/u16:4+flush-8:011:25:155
2979457992018,2cyclictest3275642-21kworker/u16:1+events_unbound10:05:035
2979457992018,2cyclictest3158173-21kworker/u16:0+flush-8:011:39:505
2979457992017,2cyclictest3365152-21kworker/u16:4+events_unbound10:25:035
2979454992017,2cyclictest3377324-21kworker/u16:5+flush-8:010:39:594
2979460991917,2cyclictest3158173-21kworker/u16:0+events_unbound09:09:136
2979460991917,2cyclictest3139187-21kworker/u16:2+events_unbound08:56:376
2979460991917,2cyclictest3139187-21kworker/u16:2+events_unbound08:56:376
2979457991917,2cyclictest3275642-21kworker/u16:1+events_unbound09:45:135
297946399180,17cyclictest0-21swapper/710:00:137
2979460991816,2cyclictest3537730-21kworker/u16:3+flush-8:011:35:416
2979457991816,2cyclictest3414399-21kworker/u16:1+events_unbound11:15:115
2979463991715,1cyclictest0-21swapper/711:00:137
2979463991715,1cyclictest0-21swapper/711:00:137
2979457991715,2cyclictest3658758-21kworker/u16:3+flush-8:012:19:485
2979457991715,2cyclictest3275642-21kworker/u16:1+flush-8:009:55:165
2979457991715,2cyclictest2989350-21kworker/u16:1+flush-8:007:30:155
2979454991710,6cyclictest3327640-21latency_hist09:54:494
297945499170,2cyclictest0-21swapper/411:05:084
2979463991614,1cyclictest0-21swapper/711:05:067
2979463991612,3cyclictest1302-21snmpd08:43:417
297946399160,2cyclictest3423194-21ssh10:30:147
297946399160,14cyclictest648-21systemd-journal07:59:447
2979457991614,2cyclictest3537731-21kworker/u16:4+events_unbound11:30:025
2979457991614,2cyclictest3377324-21kworker/u16:5+flush-8:010:55:275
2979457991614,2cyclictest3377324-21kworker/u16:5+flush-8:010:55:275
297945499169,6cyclictest3697934-21cat12:24:484
297945499169,6cyclictest3315237-21latency_hist09:49:494
297945499160,15cyclictest3072844-21cut07:55:094
297945499160,0cyclictest0-21swapper/410:31:424
2979463991514,0cyclictest0-21swapper/712:36:327
2979463991511,3cyclictest1302-21snmpd12:23:387
2979457991514,1cyclictest0-21swapper/510:18:345
2979457991513,2cyclictest3303232-21kworker/u16:3+events_unbound10:10:165
2979457991513,2cyclictest3158173-21kworker/u16:0+flush-8:010:54:445
2979457991513,2cyclictest3158173-21kworker/u16:0+events_unbound10:40:125
297945799150,1cyclictest3152580-21kthreadcore08:35:085
297945499150,1cyclictest0-21swapper/409:15:144
297946399146,7cyclictest6530-21gmain09:16:527
297946399140,1cyclictest0-21swapper/708:45:127
297946399140,1cyclictest0-21swapper/707:35:147
297946399140,12cyclictest3288487-21ssh09:36:197
2979457991413,1cyclictest0-21swapper/512:34:005
2979457991412,2cyclictest3414399-21kworker/u16:1+flush-8:011:05:175
2979457991412,2cyclictest3225599-21kworker/u16:2+events_unbound09:27:415
2979457991411,3cyclictest3090171-21kworker/u16:1+flush-8:009:10:155
297945799140,1cyclictest0-21swapper/511:55:125
297945799140,14cyclictest0-21swapper/511:13:075
297945799140,14cyclictest0-21swapper/510:22:405
2979454991412,2cyclictest0-21swapper/410:35:204
2979454991411,3cyclictest0-21swapper/408:21:004
297945499140,13cyclictest0-21swapper/411:09:524
297945499140,12cyclictest0-21swapper/410:54:064
297945499140,11cyclictest0-21swapper/408:00:594
297946399139,3cyclictest1302-21snmpd12:00:077
297946399139,3cyclictest1302-21snmpd11:51:197
297946399139,3cyclictest1302-21snmpd11:43:377
297946399139,3cyclictest1302-21snmpd09:54:377
297946399139,3cyclictest1302-21snmpd08:24:557
297946399137,5cyclictest6124-21gmain08:10:087
297946399130,12cyclictest3636090-21turbostat11:59:497
297946399130,11cyclictest0-21swapper/707:15:137
2979457991312,1cyclictest0-21swapper/512:34:575
2979457991312,1cyclictest0-21swapper/510:37:015
2979457991312,1cyclictest0-21swapper/510:32:555
2979457991312,1cyclictest0-21swapper/509:30:195
2979457991311,2cyclictest3197010-21kworker/u16:3+events_unbound09:00:045
2979457991311,2cyclictest3158173-21kworker/u16:0+flush-8:009:15:125
2979454991311,2cyclictest0-21swapper/409:20:554
2979454991310,2cyclictest3218194-21kthreadcore09:10:054
297945499130,4cyclictest3358678-21kthreadcore10:05:094
297945499130,13cyclictest0-21swapper/410:17:414
297946399129,2cyclictest1302-21snmpd07:45:127
297946399129,2cyclictest1302-21snmpd07:28:357
297946399129,2cyclictest1302-21snmpd07:10:407
297946399129,2cyclictest0-21swapper/710:45:187
297946399128,3cyclictest1302-21snmpd10:58:547
297946399128,3cyclictest1302-21snmpd10:58:547
297946399128,3cyclictest1302-21snmpd10:23:297
297946399128,3cyclictest1302-21snmpd09:05:087
297946399128,3cyclictest1302-21snmpd08:34:107
297946399127,4cyclictest1302-21snmpd09:11:477
2979463991211,0cyclictest0-21swapper/712:11:577
297946399120,3cyclictest3267105-21hddtemp_smartct09:30:047
297946399120,2cyclictest3708933-21ssh12:27:417
297946399120,2cyclictest3660108-21ssh12:08:347
297946399120,11cyclictest1302-21snmpd09:56:467
2979460991210,2cyclictest3658758-21kworker/u16:3+events_unbound12:12:286
2979457991211,1cyclictest0-21swapper/512:01:315
2979457991211,1cyclictest0-21swapper/510:00:075
2979457991210,2cyclictest3158173-21kworker/u16:0+flush-8:008:45:125
297945799120,12cyclictest0-21swapper/508:00:555
297945799120,12cyclictest0-21swapper/507:26:525
297945499129,2cyclictest0-21swapper/412:35:044
297945499123,8cyclictest3719557-21cat12:30:164
297945499123,8cyclictest3656199-21cut12:05:114
297945499123,8cyclictest3629124-21cut11:55:074
297945499123,8cyclictest3601586-21tr11:45:054
297945499123,8cyclictest3369244-21cut10:10:084
297945499123,5cyclictest3070657-21perf07:54:494
297945499122,4cyclictest3645190-21ntp_kernel_pll_12:00:144
2979454991211,1cyclictest0-21swapper/411:34:274
2979454991211,1cyclictest0-21swapper/411:27:124
2979454991211,1cyclictest0-21swapper/410:47:194
2979454991210,2cyclictest0-21swapper/408:59:104
2979454991210,2cyclictest0-21swapper/408:59:104
297945499120,1cyclictest0-21swapper/408:53:574
297945499120,12cyclictest0-21swapper/411:38:334
297945499120,12cyclictest0-21swapper/411:20:544
297945499120,12cyclictest0-21swapper/410:26:304
297945499120,12cyclictest0-21swapper/410:21:184
297945499120,12cyclictest0-21swapper/409:27:424
297945499120,11cyclictest3352319-21idleruntime-cro10:04:494
297946399119,1cyclictest0-21swapper/711:20:167
297946399118,2cyclictest1302-21snmpd10:27:117
297946399118,2cyclictest1302-21snmpd09:49:077
297946399118,2cyclictest1302-21snmpd09:41:277
297946399118,2cyclictest1302-21snmpd09:28:577
297946399118,2cyclictest1302-21snmpd08:04:307
297946399117,3cyclictest6233-21gvfs-afc-volume11:10:067
297946399117,3cyclictest1302-21snmpd12:16:447
297946399117,3cyclictest1302-21snmpd10:50:057
297946399117,3cyclictest1302-21snmpd10:08:407
297946399117,3cyclictest1302-21snmpd09:20:277
297946399117,3cyclictest1302-21snmpd08:05:007
297946399117,3cyclictest1302-21snmpd07:20:387
297946399115,5cyclictest6233-21gvfs-afc-volume11:17:317
297946399115,4cyclictest3366006-21rm10:10:057
297946399110,2cyclictest3584399-21ssh11:35:327
297946399110,10cyclictest3387049-21rm10:15:387
297946399110,10cyclictest1302-21snmpd08:52:237
297946399110,10cyclictest1302-21snmpd08:21:587
297946399110,10cyclictest1302-21snmpd07:51:247
297946399110,10cyclictest1302-21snmpd07:43:157
297945799118,2cyclictest3119243-21packagekit-dnf-08:18:465
2979457991110,1cyclictest0-21swapper/511:22:255
2979457991110,1cyclictest0-21swapper/510:47:165
2979457991110,1cyclictest0-21swapper/508:40:495
2979457991110,1cyclictest0-21swapper/507:57:465
2979457991110,1cyclictest0-21swapper/507:35:235
2979457991110,1cyclictest0-21swapper/507:17:155
297945799110,11cyclictest0-21swapper/508:30:245
297945499118,2cyclictest0-21swapper/412:15:034
297945499113,7cyclictest3588950-21tr11:40:064
297945499113,7cyclictest3113289-21cut08:15:094
297945499113,7cyclictest2995298-21cut07:15:064
297945499112,8cyclictest3038291-21tr07:35:104
297945499112,4cyclictest3212440-21grep09:05:094
297945499112,4cyclictest3161326-21kthreadcore08:40:084
297945499112,4cyclictest3099213-21cat08:05:194
297945499112,4cyclictest3021423-21cat07:25:174
297945499111,4cyclictest3054458-21kthreadcore07:45:074
2979454991110,1cyclictest0-21swapper/411:53:134
2979454991110,1cyclictest0-21swapper/408:14:424
2979454991110,1cyclictest0-21swapper/407:41:164
2979454991110,1cyclictest0-21swapper/407:31:394
297945499110,10cyclictest0-21swapper/408:49:494
297945499110,0cyclictest0-21swapper/409:34:004
297946399107,2cyclictest1302-21snmpd07:30:297
297946399107,2cyclictest0-21swapper/712:30:017
297946399107,2cyclictest0-21swapper/711:45:047
297946399106,3cyclictest1302-21snmpd10:36:027
297946399106,3cyclictest1302-21snmpd09:01:297
297946399106,3cyclictest1302-21snmpd08:55:087
297946399106,3cyclictest1302-21snmpd08:55:087
297946399106,3cyclictest1302-21snmpd08:38:347
297946399100,1cyclictest3449759-21sh10:42:257
297946099103,6cyclictest0-21swapper/609:09:566
297945799109,1cyclictest0-21swapper/511:51:165
297945799109,1cyclictest0-21swapper/511:46:515
297945799109,1cyclictest0-21swapper/508:56:545
297945799109,1cyclictest0-21swapper/508:56:545
297945799108,2cyclictest2906505-21kworker/u16:2+events_unbound07:50:025
297945799100,0cyclictest0-21swapper/508:14:385
297945499104,5cyclictest3528911-21kthreadcore11:15:074
297945499104,5cyclictest3490580-21kthreadcore11:00:064
297945499104,5cyclictest3490580-21kthreadcore11:00:064
297945499104,5cyclictest2980476-21if_p4p107:10:054
297945499103,6cyclictest3142105-21cut08:30:074
297945499102,3cyclictest3663217-21tr12:10:084
297945499102,3cyclictest3283256-21cut09:35:094
297945499102,3cyclictest3155946-21cut08:35:104
297945499102,3cyclictest3135857-21cut08:25:094
297945499102,3cyclictest3007563-21kthreadcore07:20:104
297945499100,4cyclictest3705122-21grep12:25:084
297945499100,4cyclictest3476718-21expr10:55:014
297945499100,4cyclictest3476718-21expr10:55:014
297945499100,4cyclictest3336445-21cat09:55:104
297945499100,4cyclictest3201986-21kthreadcore09:00:094
29794579998,1cyclictest0-21swapper/507:42:195
29794579997,2cyclictest3090171-21kworker/u16:1+flush-8:008:05:165
29794579994,4cyclictest3059694-21wc07:45:105
29794579987,1cyclictest0-21swapper/509:49:525
29794579987,1cyclictest0-21swapper/508:53:165
29794579985,2cyclictest2980427-21gltestperf07:10:045
29794579984,3cyclictest3278767-21cpuspeed_turbos09:35:025
29794579984,3cyclictest3011930-21grep07:20:205
29794579975,1cyclictest0-21swapper/512:20:035
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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