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2026-07-09 - 15:48
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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 Thu Jul 09, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41631062960,1sleep50-21swapper/512:30:105
37904262960,1sleep73790427-21cat10:00:097
342442927262,7sleep50-21swapper/507:06:045
36750242620,1sleep73675025-21cat09:14:497
342463826048,7sleep40-21swapper/407:09:004
342466125823,30sleep70-21swapper/707:09:197
3424982994339,4cyclictest4058194-21kworker/u16:3+flush-8:011:54:495
342499499420,40cyclictest4120030-21latency_hist12:14:487
3424986994240,2cyclictest3922454-21kworker/u16:2+events_unbound11:24:396
3424986994037,2cyclictest3661585-21kworker/u16:5+events_unbound09:35:036
3424986993937,2cyclictest3814484-21kworker/u16:2+events_unbound10:26:236
3424994993832,5cyclictest3623536-21latency_hist08:49:497
3424986993836,2cyclictest3814484-21kworker/u16:2+events_unbound10:18:386
3424986993735,2cyclictest4058194-21kworker/u16:3+events_unbound12:07:146
3424986993735,2cyclictest3996430-21kworker/u16:4+events_unbound11:47:276
3424986993735,2cyclictest3661585-21kworker/u16:5+events_unbound09:18:116
3424986993734,2cyclictest3506390-21kworker/u16:2+flush-8:008:45:046
3424986993734,2cyclictest2677098-21kworker/u16:3+events_unbound07:19:516
3424986993634,2cyclictest4114882-21kworker/u16:2+events_unbound12:28:066
3424986993634,2cyclictest4058194-21kworker/u16:3+events_unbound11:59:196
3424986993634,2cyclictest4045163-21kworker/u16:1+events_unbound12:20:396
3424986993634,2cyclictest3833007-21kworker/u16:1+events_unbound10:49:116
3424986993634,2cyclictest3459255-21kworker/u16:1+events_unbound09:43:436
40536412340,1sleep40-21swapper/411:45:134
3424994993432,1cyclictest3943557-21ssh11:00:147
3424986993432,2cyclictest3860334-21kworker/u16:3+events_unbound11:31:436
3424986993432,2cyclictest3786106-21kworker/u16:4+events_unbound10:52:236
3424986993432,2cyclictest3633509-21kworker/u16:3+events_unbound09:10:396
36964872330,5chrt3696481-21ssh09:20:187
3424986993331,2cyclictest4154627-21kworker/u16:0+events_unbound12:32:036
3424986993331,2cyclictest3956865-21kworker/u16:0+events_unbound11:07:266
3424986993331,2cyclictest3661585-21kworker/u16:5+events_unbound09:23:266
342461323310,8sleep60-21swapper/607:08:376
3424986993230,2cyclictest3459255-21kworker/u16:1+events_unbound09:00:226
3424986993129,2cyclictest3487549-21kworker/u16:3+events_unbound07:39:516
3424986993129,2cyclictest3459255-21kworker/u16:1+events_unbound10:01:326
37014632300,1chrt3701464-21kthreadcore09:25:077
342499499300,28cyclictest908-21dbus-daemon07:29:497
3424986993028,2cyclictest4154627-21kworker/u16:0+events_unbound12:36:296
3424986993028,2cyclictest3956865-21kworker/u16:0+flush-8:012:11:586
3424986993028,2cyclictest3922454-21kworker/u16:2+flush-8:011:00:306
3424986993028,2cyclictest3860334-21kworker/u16:3+events_unbound11:29:426
3424986993028,2cyclictest3595571-21kworker/u16:0+events_unbound08:40:126
37627462290,1chrt3762748-21irqcore09:50:087
36411532290,1chrt3641154-21kthreadcore08:55:107
3424986992927,2cyclictest3956865-21kworker/u16:0+flush-8:012:00:236
3424986992927,2cyclictest3833007-21kworker/u16:1+flush-8:010:24:066
3424986992927,2cyclictest3786106-21kworker/u16:4+events_unbound10:10:166
3424986992927,2cyclictest3699477-21kworker/u16:2+events_unbound09:27:286
3424986992927,2cyclictest3661585-21kworker/u16:5+flush-8:009:31:276
3424986992927,2cyclictest3661585-21kworker/u16:5+events_unbound09:54:286
3424986992927,2cyclictest3467749-21kworker/u16:2+events_unbound07:32:596
3424986992927,2cyclictest3459255-21kworker/u16:1+events_unbound09:56:516
3424986992826,2cyclictest3459255-21kworker/u16:1+events_unbound07:27:156
3424986992826,2cyclictest2677098-21kworker/u16:3+events_unbound07:17:156
3424986992725,2cyclictest4120214-21kworker/u16:4+flush-8:012:17:156
3424986992725,2cyclictest4120214-21kworker/u16:4+flush-8:012:17:156
3424986992725,2cyclictest3860334-21kworker/u16:3+flush-8:010:41:106
3424986992725,2cyclictest3506390-21kworker/u16:2+events_unbound08:09:006
3424986992725,2cyclictest3435024-21kworker/u16:0+flush-8:007:35:196
3424986992725,2cyclictest2677098-21kworker/u16:3+events_unbound07:14:446
3424986992624,2cyclictest3922454-21kworker/u16:2+events_unbound11:16:096
3424986992624,2cyclictest3506390-21kworker/u16:2+events_unbound08:23:596
3424986992624,2cyclictest3459255-21kworker/u16:1+flush-8:008:59:476
3424986992624,2cyclictest3459255-21kworker/u16:1+flush-8:008:25:036
3424986992524,1cyclictest3833007-21kworker/u16:1+events_unbound10:38:406
3424986992523,2cyclictest3996430-21kworker/u16:4+events_unbound11:38:426
3424986992523,2cyclictest3860334-21kworker/u16:3+events_unbound11:39:566
3424986992523,2cyclictest3833007-21kworker/u16:1+events_unbound10:58:246
3424986992523,2cyclictest3786106-21kworker/u16:4+flush-8:010:31:326
3424986992523,2cyclictest3739563-21kworker/u16:0+events_unbound09:46:376
3424986992523,2cyclictest3575073-21kworker/u16:4+events_unbound08:33:596
3424986992523,2cyclictest3459255-21kworker/u16:1+events_unbound08:17:166
3424986992422,2cyclictest3459255-21kworker/u16:1+flush-8:008:10:026
3424986992422,2cyclictest3459255-21kworker/u16:1+flush-8:007:59:596
3424986992422,2cyclictest3459255-21kworker/u16:1+flush-8:007:59:596
3424986992422,2cyclictest3459255-21kworker/u16:1+events_unbound10:05:176
3424994992322,0cyclictest0-21swapper/712:36:157
3424986992320,2cyclictest3459255-21kworker/u16:1+flush-8:007:50:046
3424994992220,1cyclictest4130974-21ssh12:17:207
3424994992220,1cyclictest4130974-21ssh12:17:207
3424994992220,1cyclictest3822690-21ssh10:13:597
3424994992219,2cyclictest3476541-21ntpq07:30:157
342499499220,21cyclictest908-21dbus-daemon08:04:497
342499499220,21cyclictest908-21dbus-daemon08:04:497
3424986992220,2cyclictest3459255-21kworker/u16:1+flush-8:008:53:086
3424982992220,2cyclictest3415013-21kworker/u16:4+flush-8:007:24:495
41467572210,1chrt4146759-21sh12:25:077
3424994992119,1cyclictest0-21swapper/710:18:237
3424994992119,1cyclictest0-21swapper/709:35:147
3424994992118,2cyclictest4133639-21hddtemp_smartct12:20:047
3424994992118,2cyclictest3745776-21ntpq09:40:187
3424986992119,2cyclictest4057695-21kworker/u16:2+flush-8:011:51:046
3424986992119,2cyclictest3459255-21kworker/u16:1+flush-8:007:55:176
3424982992118,2cyclictest3786106-21kworker/u16:4+flush-8:010:44:555
3424994992019,0cyclictest0-21swapper/709:19:147
3424986992017,2cyclictest3651803-21kworker/u16:4+events_unbound09:04:596
3424982992016,4cyclictest3860334-21kworker/u16:3+flush-8:011:19:495
3424994991918,0cyclictest0-21swapper/707:15:187
3424994991917,1cyclictest0-21swapper/711:57:357
3424994991914,4cyclictest3959213-21latency_hist11:09:497
3424994991914,4cyclictest3909690-21latency_hist10:49:497
3424994991914,4cyclictest3761288-21latency_hist09:49:497
342499499190,17cyclictest4039343-21grep11:40:107
3424982991917,2cyclictest3786106-21kworker/u16:4+flush-8:010:15:195
3424994991817,0cyclictest0-21swapper/711:25:587
3424994991817,0cyclictest0-21swapper/711:16:357
3424994991815,2cyclictest3985275-21ps11:20:047
3424994991815,2cyclictest3870522-21ssh10:31:117
3424986991816,2cyclictest3956865-21kworker/u16:0+flush-8:011:14:486
3424986991816,2cyclictest3459255-21kworker/u16:1+flush-8:008:35:436
3424982991814,4cyclictest3459255-21kworker/u16:1+flush-8:008:29:505
3424994991716,0cyclictest0-21swapper/711:50:237
3424994991716,0cyclictest0-21swapper/711:45:597
3424994991716,0cyclictest0-21swapper/710:26:257
3424994991715,1cyclictest0-21swapper/707:45:157
3424994991711,5cyclictest3526188-21latency_hist07:59:497
342499499170,15cyclictest3927348-21grep10:55:107
342499499170,15cyclictest3575606-21cstates08:25:037
3424986991715,2cyclictest3487549-21kworker/u16:3+events_unbound07:47:506
3424994991614,1cyclictest3662535-21diskmemload10:41:267
3424994991514,0cyclictest0-21swapper/710:07:267
3424994991514,0cyclictest0-21swapper/708:50:057
3424994991512,2cyclictest3884509-21ssh10:39:027
342499499150,13cyclictest3960051-21expr11:10:027
3424982991513,2cyclictest3459255-21kworker/u16:1+flush-8:010:05:155
3424994991411,2cyclictest3555407-21munin-run08:14:497
3424982991413,1cyclictest0-21swapper/510:55:265
3424982991413,1cyclictest0-21swapper/509:42:075
3424982991413,1cyclictest0-21swapper/509:12:575
342498299140,1cyclictest0-21swapper/510:41:335
342498299140,1cyclictest0-21swapper/509:19:545
342498299140,14cyclictest0-21swapper/512:15:505
342498299140,14cyclictest0-21swapper/512:15:505
342498299140,14cyclictest0-21swapper/511:38:575
3424980991413,1cyclictest0-21swapper/411:51:154
3424980991413,1cyclictest0-21swapper/410:55:174
3424980991413,1cyclictest0-21swapper/410:35:254
3424980991413,1cyclictest0-21swapper/410:00:354
3424980991413,1cyclictest0-21swapper/409:36:274
3424980991413,1cyclictest0-21swapper/409:20:414
3424980991413,1cyclictest0-21swapper/407:20:054
342498099140,1cyclictest0-21swapper/411:59:084
342498099140,1cyclictest0-21swapper/410:42:214
342498099140,14cyclictest0-21swapper/412:20:154
342498099140,14cyclictest0-21swapper/411:31:234
342498099140,14cyclictest0-21swapper/411:02:414
342498099140,14cyclictest0-21swapper/409:44:494
342499499139,3cyclictest1274-21snmpd09:57:357
342499499139,3cyclictest1274-21snmpd07:53:327
342499499139,3cyclictest1274-21snmpd07:37:417
342499499139,3cyclictest1274-21snmpd07:10:077
342499499138,4cyclictest3644188-21cat09:00:047
342499499136,6cyclictest6240-21gvfs-afc-volume10:50:157
3424994991310,2cyclictest0-21swapper/709:30:157
3424994991310,2cyclictest0-21swapper/708:19:507
342499499130,12cyclictest1274-21snmpd08:43:367
342499499130,12cyclictest1274-21snmpd08:39:427
3424982991312,1cyclictest0-21swapper/512:29:055
3424982991312,1cyclictest0-21swapper/512:05:165
3424982991312,1cyclictest0-21swapper/511:59:455
3424982991312,1cyclictest0-21swapper/511:31:325
3424982991312,1cyclictest0-21swapper/509:58:505
3424982991312,1cyclictest0-21swapper/509:27:185
3424982991312,1cyclictest0-21swapper/508:55:085
342498299130,13cyclictest0-21swapper/511:03:195
3424980991312,1cyclictest0-21swapper/412:35:424
3424980991312,1cyclictest0-21swapper/411:44:474
3424980991312,1cyclictest0-21swapper/411:37:514
3424980991312,1cyclictest0-21swapper/411:28:144
3424980991312,1cyclictest0-21swapper/411:17:024
3424980991312,1cyclictest0-21swapper/410:27:044
3424980991312,1cyclictest0-21swapper/410:18:144
3424980991312,1cyclictest0-21swapper/409:14:134
3424980991312,1cyclictest0-21swapper/408:30:144
342499499128,3cyclictest1274-21snmpd09:06:517
342499499120,10cyclictest3449441-21cat07:20:057
3424982991211,1cyclictest0-21swapper/511:44:565
3424982991211,1cyclictest0-21swapper/510:25:195
342498299120,12cyclictest0-21swapper/508:09:255
3424980991211,1cyclictest0-21swapper/408:58:184
3424980991211,1cyclictest0-21swapper/407:42:194
342498099120,1cyclictest0-21swapper/408:13:034
342499499118,2cyclictest0-21swapper/712:05:027
342499499117,3cyclictest1274-21snmpd11:35:087
342499499117,3cyclictest1274-21snmpd10:20:177
342499499117,3cyclictest1274-21snmpd08:34:157
3424994991111,0cyclictest0-21swapper/712:01:417
3424994991110,0cyclictest0-21swapper/711:29:547
3424994991110,0cyclictest0-21swapper/708:05:027
342499499110,9cyclictest4157805-21tr12:30:007
342499499110,10cyclictest1274-21snmpd07:40:447
342498299118,3cyclictest4045163-21kworker/u16:1+flush-8:012:19:495
342498299118,2cyclictest1044-21lldpd09:07:505
3424982991110,1cyclictest0-21swapper/512:36:485
3424982991110,1cyclictest0-21swapper/512:10:195
3424982991110,1cyclictest0-21swapper/508:10:505
342498299110,11cyclictest0-21swapper/508:39:325
342498299110,11cyclictest0-21swapper/507:47:215
342498299110,11cyclictest0-21swapper/507:28:355
342498299110,11cyclictest0-21swapper/507:14:335
3424980991110,1cyclictest0-21swapper/412:27:594
3424980991110,1cyclictest0-21swapper/409:29:034
3424980991110,1cyclictest0-21swapper/408:43:104
3424980991110,1cyclictest0-21swapper/408:28:494
3424980991110,1cyclictest0-21swapper/408:03:264
3424980991110,1cyclictest0-21swapper/408:03:264
3424980991110,1cyclictest0-21swapper/407:26:524
342498099110,1cyclictest0-21swapper/407:52:534
342499499100,9cyclictest1274-21snmpd08:15:027
342498299109,1cyclictest0-21swapper/507:58:235
342498299109,1cyclictest0-21swapper/507:36:475
342498299108,2cyclictest3415013-21kworker/u16:4+flush-8:007:14:545
342498299107,2cyclictest1044-21lldpd08:17:505
342498099109,1cyclictest0-21swapper/411:09:384
342498099109,1cyclictest0-21swapper/410:48:494
342498099109,1cyclictest0-21swapper/409:51:454
342498099109,1cyclictest0-21swapper/407:12:504
34249829998,1cyclictest0-21swapper/509:34:435
34249829998,1cyclictest0-21swapper/508:41:545
34249829997,2cyclictest3786106-21kworker/u16:4+flush-8:010:32:155
34249809998,1cyclictest0-21swapper/410:54:484
34249809998,1cyclictest0-21swapper/410:09:244
34249809998,1cyclictest0-21swapper/408:15:254
34249809998,1cyclictest0-21swapper/407:33:394
34249809998,1cyclictest0-21swapper/407:19:374
34249829987,1cyclictest0-21swapper/511:09:475
34249829987,1cyclictest0-21swapper/508:00:175
34249829987,1cyclictest0-21swapper/508:00:175
34249829980,6cyclictest0-21swapper/508:51:145
34249809987,1cyclictest0-21swapper/412:31:364
34249809987,1cyclictest0-21swapper/408:45:044
34249809987,1cyclictest0-21swapper/408:04:514
34249809985,2cyclictest3819374-21sshd-session10:10:134
34249829976,1cyclictest0-21swapper/507:30:005
34249829975,1cyclictest0-21swapper/510:38:175
34249829973,3cyclictest3496908-21sshd-session07:44:145
34249829970,3cyclictest0-21swapper/511:23:405
34249809976,1cyclictest641ktimers/411:20:144
34249809974,2cyclictest1-21systemd10:24:494
34249809970,6cyclictest3603826-21chrt08:36:084
3685907260,1sleep50-21swapper/509:17:215
34249829964,2cyclictest3758836-21kworker/u16:2+events_unbound09:59:525
34249829963,2cyclictest5785-21gnome-shell09:44:595
34249829963,1cyclictest991rcuop/711:40:215
34249829960,3cyclictest4058194-21kworker/u16:3+nfsiod12:02:375
34249829960,3cyclictest0-21swapper/509:01:025
34249829960,1cyclictest0-21swapper/510:24:105
34249809965,1cyclictest0-21swapper/407:55:144
34249809964,1cyclictest40842622sleep412:00:054
34249809963,2cyclictest6624-21sshd12:12:134
34249809963,2cyclictest37840942sleep409:56:314
34249809963,2cyclictest37592902chrt09:46:204
34249809963,2cyclictest35739002chrt08:20:144
34249809960,5cyclictest5785-21gnome-shell09:06:484
34249809960,5cyclictest5785-21gnome-shell09:01:594
34249809960,3cyclictest4107295-21chrt12:09:014
34249809960,1cyclictest0-21swapper/410:30:294
34249829953,2cyclictest3595571-21kworker/u16:0+events_unbound08:45:035
34249829951,1cyclictest681rcuog/409:50:025
34249829951,1cyclictest201rcu_preempt11:25:055
34249829951,1cyclictest201rcu_preempt08:20:075
34249829950,4cyclictest3819972-21taskset10:10:175
34249829950,4cyclictest3734543-21taskset09:36:115
34249829950,4cyclictest3584998-21chrt08:29:525
34249829950,4cyclictest3507070-21taskset07:49:545
34249829950,3cyclictest0-21swapper/511:10:055
34249829950,2cyclictest0-21swapper/510:50:035
34249809950,5cyclictest0-21swapper/411:09:544
34249809950,5cyclictest0-21swapper/407:45:054
34249809950,4cyclictest4120468-21taskset12:14:544
34249809950,4cyclictest4120468-21taskset12:14:544
34249809950,4cyclictest3713318-21sshd09:30:044
34249809950,4cyclictest3675438-21sshd-session09:15:024
34249809950,4cyclictest3477865-21taskset07:34:554
34249809950,2cyclictest0-21swapper/408:49:504
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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