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2026-09-02 - 22:24
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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 Wed Sep 02, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
135039125722,30sleep70-21swapper/707:05:117
135066225141,7sleep40-21swapper/407:07:494
1351093994843,4cyclictest1637313-21latency_hist09:29:337
1351093994640,5cyclictest1500624-21latency_hist08:24:327
1351093993332,0cyclictest0-21swapper/710:44:347
1351093993331,1cyclictest0-21swapper/710:49:537
1351093993230,1cyclictest2005483-21ssh11:58:187
1351093993230,1cyclictest1588099-21diskmemload11:59:447
135066323221,8sleep50-21swapper/507:07:505
13506122327,8sleep60-21swapper/607:07:106
1351093993130,0cyclictest0-21swapper/709:54:277
135109399310,29cyclictest1955038-21ssh11:35:547
1351091993025,2cyclictest1707839-21kworker/u16:4+events_unbound09:59:456
1351093992927,1cyclictest2041970-21ssh12:12:427
1351093992926,1cyclictest0-21swapper/708:44:337
1351093992826,1cyclictest0-21swapper/709:38:547
1351093992726,0cyclictest0-21swapper/712:34:337
1351093992726,0cyclictest0-21swapper/711:14:307
1351093992625,0cyclictest0-21swapper/710:24:427
1351093992625,0cyclictest0-21swapper/709:59:337
1351090992523,2cyclictest1646299-21kworker/u16:1+events_unbound10:41:465
1351090992523,2cyclictest1276903-21kworker/u16:1+events_unbound07:45:025
1351093992419,4cyclictest1748140-21latency_hist10:14:337
1351091992422,2cyclictest1646299-21kworker/u16:1+events_unbound10:09:436
1351091992422,2cyclictest1558924-21kworker/u16:2+flush-8:009:49:576
1351091992422,2cyclictest1558924-21kworker/u16:2+events_unbound09:25:156
1351090992422,2cyclictest1785170-21kworker/u16:2+events_unbound10:49:465
1351090992422,2cyclictest1597227-21kworker/u16:3+events_unbound10:16:065
1351093992322,0cyclictest0-21swapper/711:19:577
1351093992322,0cyclictest0-21swapper/710:22:137
1351091992321,2cyclictest1920340-21kworker/u16:5+events_unbound11:54:456
1351090992321,2cyclictest1920340-21kworker/u16:5+events_unbound12:05:465
1351090992321,2cyclictest1920340-21kworker/u16:5+events_unbound12:01:145
1351090992321,2cyclictest1920340-21kworker/u16:5+events_unbound11:46:335
1351090992321,2cyclictest1785170-21kworker/u16:2+events_unbound10:47:265
1351090992321,2cyclictest1558924-21kworker/u16:2+events_unbound09:45:425
1351090992320,2cyclictest1858860-21kworker/u16:3+events_unbound11:53:295
1351093992221,0cyclictest0-21swapper/711:25:257
1351093992221,0cyclictest0-21swapper/710:14:407
1351093992220,1cyclictest1724695-21ssh10:04:467
135109399220,20cyclictest1871109-21latency_hist11:04:327
1351091992220,2cyclictest1858860-21kworker/u16:3+flush-8:011:50:016
1351091992219,2cyclictest1858860-21kworker/u16:3+events_unbound11:39:406
1351090992220,2cyclictest1920340-21kworker/u16:5+events_unbound12:14:415
1351090992220,2cyclictest1920340-21kworker/u16:5+events_unbound11:35:265
1351090992220,2cyclictest1920255-21kworker/u16:2+events_unbound11:31:225
1351090992220,2cyclictest1597227-21kworker/u16:3+events_unbound09:22:215
1351093992120,0cyclictest0-21swapper/710:56:457
1351093992119,1cyclictest1969761-21ssh11:44:377
1351093992118,2cyclictest1648869-21ssh09:33:187
135109399210,19cyclictest1161-21lldpd10:41:107
1351091992119,2cyclictest1451071-21kworker/u16:0+events_unbound08:18:356
1351091992118,2cyclictest1558924-21kworker/u16:2+flush-8:009:09:496
1351090992119,2cyclictest1858860-21kworker/u16:3+events_unbound11:59:255
1351090992119,2cyclictest1785170-21kworker/u16:2+events_unbound11:01:495
1351090992119,2cyclictest1785170-21kworker/u16:2+events_unbound10:34:105
1351090992119,2cyclictest1707839-21kworker/u16:4+events_unbound10:26:415
1351090992119,2cyclictest1646299-21kworker/u16:1+events_unbound10:12:465
1351090992119,2cyclictest1597227-21kworker/u16:3+events_unbound09:39:295
1351090992119,2cyclictest1578528-21kworker/u16:4+events_unbound09:11:265
1351090992119,2cyclictest1509385-21kworker/u16:3+events_unbound08:56:355
1351090992116,2cyclictest1858860-21kworker/u16:3+events_unbound12:20:315
1351093992019,0cyclictest0-21swapper/712:23:417
1351093992019,0cyclictest0-21swapper/707:44:287
1351091992018,2cyclictest1707839-21kworker/u16:4+events_unbound10:58:266
1351091992018,2cyclictest1509385-21kworker/u16:3+events_unbound08:59:336
1351091992018,2cyclictest1276903-21kworker/u16:1+flush-8:007:34:486
1351090992018,2cyclictest1707839-21kworker/u16:4+events_unbound10:35:585
1351090992018,2cyclictest1646299-21kworker/u16:1+events_unbound09:44:055
1351090992018,2cyclictest1597227-21kworker/u16:3+events_unbound10:01:095
1351090992018,2cyclictest1276903-21kworker/u16:1+events_unbound07:15:025
1351090992017,2cyclictest1785170-21kworker/u16:2+events_unbound11:14:375
1351093991918,0cyclictest0-21swapper/711:15:297
1351093991918,0cyclictest0-21swapper/709:10:307
1351091991917,2cyclictest1785170-21kworker/u16:2+events_unbound11:04:146
1351091991917,2cyclictest1597227-21kworker/u16:3+events_unbound09:39:436
1351091991917,2cyclictest1509385-21kworker/u16:3+flush-8:009:04:566
1351091991917,2cyclictest1509385-21kworker/u16:3+flush-8:009:04:566
1351091991917,2cyclictest1276903-21kworker/u16:1+flush-8:007:44:576
1351090991917,2cyclictest2055354-21kworker/u16:4+events_unbound12:26:135
1351090991917,2cyclictest2018524-21kworker/u16:1+events_unbound12:12:265
1351090991917,2cyclictest1920340-21kworker/u16:5+events_unbound11:41:065
1351090991917,2cyclictest1707839-21kworker/u16:4+events_unbound10:05:585
1351090991917,2cyclictest1451071-21kworker/u16:0+events_unbound08:18:115
1351090991916,2cyclictest1597227-21kworker/u16:3+events_unbound09:29:355
1351093991817,0cyclictest0-21swapper/712:33:467
1351093991817,0cyclictest0-21swapper/712:33:467
1351093991817,0cyclictest0-21swapper/712:05:237
1351093991817,0cyclictest0-21swapper/710:35:507
1351093991814,3cyclictest1624751-21seq09:24:057
1351093991814,3cyclictest1277-21snmpd07:25:207
1351091991816,2cyclictest1509385-21kworker/u16:3+events_unbound08:58:566
1351091991816,2cyclictest1341069-21kworker/u16:3+flush-8:007:49:536
1351091991816,2cyclictest1341069-21kworker/u16:3+events_unbound07:39:476
1351091991816,2cyclictest1287124-21kworker/u16:0+events_unbound07:16:026
1351091991816,2cyclictest1276903-21kworker/u16:1+events_unbound08:46:396
1351091991815,2cyclictest1276903-21kworker/u16:1+flush-8:008:24:586
1351090991816,2cyclictest1858787-21kworker/u16:1+events_unbound11:21:425
1351090991816,2cyclictest1785170-21kworker/u16:2+events_unbound11:11:325
1351090991816,2cyclictest1646299-21kworker/u16:1+events_unbound10:22:055
1351090991816,2cyclictest1558924-21kworker/u16:2+events_unbound09:51:015
1351090991816,2cyclictest1530159-21kworker/u16:0+events_unbound08:43:435
1351090991816,2cyclictest1276903-21kworker/u16:1+events_unbound08:35:015
1351093991716,0cyclictest0-21swapper/710:32:467
1351093991715,1cyclictest2079765-21ssh12:29:307
1351093991715,1cyclictest1588099-21diskmemload11:53:007
1351093991715,1cyclictest0-21swapper/711:29:447
1351093991715,1cyclictest0-21swapper/707:49:507
1351093991714,2cyclictest1611265-21ssh09:16:577
1351093991711,5cyclictest1568641-21latency_hist08:59:327
1351091991715,2cyclictest1785170-21kworker/u16:2+flush-8:011:13:376
1351091991715,2cyclictest1597227-21kworker/u16:3+flush-8:009:19:436
1351091991715,2cyclictest1558924-21kworker/u16:2+events_unbound09:44:556
1351091991715,2cyclictest1509385-21kworker/u16:3+events_unbound08:41:326
1351091991715,2cyclictest1461786-21kworker/u16:4+events_unbound08:21:036
1351091991715,2cyclictest1384407-21kworker/u16:2+flush-8:007:55:316
1351091991714,2cyclictest1276903-21kworker/u16:1+events_unbound08:09:336
1351090991715,2cyclictest1858860-21kworker/u16:3+events_unbound12:32:015
1351090991715,2cyclictest1858860-21kworker/u16:3+events_unbound12:32:015
1351090991715,2cyclictest1597227-21kworker/u16:3+events_unbound09:55:505
1351090991715,2cyclictest1341069-21kworker/u16:3+events_unbound07:40:345
1351090991715,2cyclictest1276903-21kworker/u16:1+events_unbound08:12:195
1351093991615,0cyclictest0-21swapper/708:10:427
1351093991614,1cyclictest0-21swapper/709:57:537
1351093991614,1cyclictest0-21swapper/709:44:527
1351091991614,2cyclictest1920255-21kworker/u16:2+flush-8:011:29:536
1351091991614,2cyclictest1905580-21kworker/u16:0+flush-8:011:19:576
1351091991614,2cyclictest1858787-21kworker/u16:1+flush-8:011:14:596
1351091991614,2cyclictest1384407-21kworker/u16:2+flush-8:007:24:596
1351091991613,2cyclictest1597227-21kworker/u16:3+flush-8:009:14:526
1351091991613,2cyclictest1287124-21kworker/u16:0+flush-8:007:14:336
1351091991610,6cyclictest1920255-21kworker/u16:2+flush-8:011:25:036
1351090991614,2cyclictest1576588-21kworker/u16:1+events_unbound09:01:465
1351090991614,2cyclictest1384407-21kworker/u16:2+events_unbound08:01:075
1351090991614,2cyclictest1341069-21kworker/u16:3+events_unbound07:38:295
1351091991513,2cyclictest1858860-21kworker/u16:3+flush-8:011:44:426
1351091991513,2cyclictest1509385-21kworker/u16:3+events_unbound08:52:276
1351091991513,2cyclictest1276903-21kworker/u16:1+events_unbound08:31:426
1351091991512,2cyclictest1341069-21kworker/u16:3+events_unbound07:29:396
1351090991513,2cyclictest1920255-21kworker/u16:2+events_unbound11:28:265
1351090991513,2cyclictest1858787-21kworker/u16:1+events_unbound11:08:055
1351090991513,2cyclictest1341069-21kworker/u16:3+events_unbound07:52:355
1351090991513,2cyclictest1287124-21kworker/u16:0+events_unbound07:12:495
1351090991513,2cyclictest1276903-21kworker/u16:1+events_unbound08:50:515
1351090991513,2cyclictest1276903-21kworker/u16:1+events_unbound08:27:185
1351090991513,2cyclictest1276903-21kworker/u16:1+events_unbound07:25:435
1351086991514,1cyclictest0-21swapper/409:22:234
1351093991411,2cyclictest0-21swapper/709:04:467
1351093991411,2cyclictest0-21swapper/709:04:467
135109399140,1cyclictest0-21swapper/707:19:577
1351091991413,1cyclictest0-21swapper/610:50:286
1351091991413,1cyclictest0-21swapper/610:32:116
1351091991412,2cyclictest1920340-21kworker/u16:5+flush-8:011:59:546
1351091991412,2cyclictest1858860-21kworker/u16:3+events_unbound11:04:536
1351091991412,2cyclictest1707839-21kworker/u16:4+events_unbound10:20:206
1351091991412,2cyclictest1646299-21kworker/u16:1+events_unbound10:46:456
1351091991412,2cyclictest1341069-21kworker/u16:3+events_unbound08:00:246
135109199140,1cyclictest0-21swapper/610:16:166
135109199140,1cyclictest0-21swapper/609:34:486
135109199140,14cyclictest0-21swapper/612:29:006
135109199140,14cyclictest0-21swapper/608:34:536
135109099145,2cyclictest76-21ksoftirqd/508:04:475
1351090991413,1cyclictest1374823-21/usr/sbin/munin07:19:455
1351090991413,1cyclictest0-21swapper/510:56:135
1351090991412,2cyclictest2018524-21kworker/u16:1+events_unbound12:36:155
1351090991412,2cyclictest1530159-21kworker/u16:0+events_unbound09:05:335
1351090991412,2cyclictest1530159-21kworker/u16:0+events_unbound09:05:335
1351090991412,2cyclictest1461786-21kworker/u16:4+events_unbound08:23:185
1351090991412,2cyclictest1276903-21kworker/u16:1+events_unbound08:33:395
135109099140,14cyclictest0-21swapper/509:17:515
1351086991413,1cyclictest0-21swapper/412:31:434
1351086991413,1cyclictest0-21swapper/412:31:434
1351086991413,1cyclictest0-21swapper/412:28:154
1351086991413,1cyclictest0-21swapper/412:18:384
1351086991413,1cyclictest0-21swapper/410:15:314
135108699140,1cyclictest0-21swapper/412:37:524
135108699140,1cyclictest0-21swapper/410:25:364
135108699140,1cyclictest0-21swapper/408:34:584
135108699140,14cyclictest0-21swapper/412:02:524
135108699140,14cyclictest0-21swapper/410:48:564
135108699140,14cyclictest0-21swapper/410:20:334
135108699140,14cyclictest0-21swapper/409:48:434
135108699140,14cyclictest0-21swapper/408:19:574
135109399139,3cyclictest1277-21snmpd08:00:247
135109399139,3cyclictest1277-21snmpd07:39:027
135109399138,4cyclictest5988-21gmain07:59:337
1351093991312,0cyclictest0-21swapper/711:40:417
1351093991311,1cyclictest0-21swapper/709:39:417
1351093991310,2cyclictest1277-21snmpd12:18:487
1351093991310,2cyclictest1277-21snmpd07:15:417
135109399130,11cyclictest1360731-21latency_hist07:14:337
135109199139,3cyclictest1700095-21cat09:54:496
1351091991312,1cyclictest0-21swapper/612:19:236
1351091991312,1cyclictest0-21swapper/612:07:056
1351091991311,2cyclictest2018524-21kworker/u16:1+events_unbound12:38:386
135109199130,13cyclictest0-21swapper/610:38:016
135109199130,13cyclictest0-21swapper/609:34:016
135109199130,0cyclictest0-21swapper/610:05:236
1351090991311,2cyclictest1394105-21kworker/u16:4+events_unbound07:31:255
1351090991311,2cyclictest1384407-21kworker/u16:2+events_unbound07:56:355
1351090991311,1cyclictest1546088-21cut08:44:525
1351090991311,1cyclictest0-21swapper/509:24:505
1351086991312,1cyclictest0-21swapper/412:09:014
1351086991312,1cyclictest0-21swapper/411:45:324
1351086991312,1cyclictest0-21swapper/411:37:014
1351086991312,1cyclictest0-21swapper/411:21:344
1351086991312,1cyclictest0-21swapper/409:41:464
1351086991312,1cyclictest0-21swapper/409:09:564
135108699130,13cyclictest0-21swapper/411:32:464
135108699130,13cyclictest0-21swapper/411:16:314
135108699130,13cyclictest0-21swapper/409:58:014
135108699130,12cyclictest0-21swapper/407:59:374
135109399129,2cyclictest1277-21snmpd08:04:547
135109399128,3cyclictest5988-21gmain07:29:537
135109399128,3cyclictest1277-21snmpd09:04:107
135109399127,3cyclictest5731-21gmain08:29:457
135109399125,6cyclictest5907-21gmain08:49:537
135109399120,1cyclictest0-21swapper/711:04:567
1351091991210,2cyclictest1276903-21kworker/u16:1+flush-8:007:19:536
135109199120,1cyclictest0-21swapper/608:04:376
1351086991211,1cyclictest0-21swapper/412:12:294
1351086991211,1cyclictest0-21swapper/411:49:474
1351086991211,1cyclictest0-21swapper/411:41:164
1351086991211,1cyclictest0-21swapper/411:11:294
1351086991211,1cyclictest0-21swapper/409:52:584
1351086991211,1cyclictest0-21swapper/407:19:544
135108699120,12cyclictest0-21swapper/407:19:064
135109399114,6cyclictest5988-21gmain08:44:457
135109399110,2cyclictest1490003-21ntp_states08:14:587
135109199115,6cyclictest86-21ksoftirqd/612:31:596
135109199115,6cyclictest86-21ksoftirqd/612:31:596
135109199115,6cyclictest1946344-21irqcore11:34:476
1351091991110,1cyclictest0-21swapper/612:13:146
1351091991110,1cyclictest0-21swapper/610:39:356
1351086991110,1cyclictest0-21swapper/412:22:064
1351086991110,1cyclictest0-21swapper/411:25:494
1351086991110,1cyclictest0-21swapper/411:06:264
1351086991110,1cyclictest0-21swapper/410:43:534
1351086991110,1cyclictest0-21swapper/410:38:034
1351086991110,1cyclictest0-21swapper/410:10:284
1351086991110,1cyclictest0-21swapper/409:28:134
1351086991110,1cyclictest0-21swapper/408:49:554
1351086991110,1cyclictest0-21swapper/408:31:284
1351086991110,1cyclictest0-21swapper/408:13:484
1351086991110,1cyclictest0-21swapper/407:33:364
135108699110,11cyclictest0-21swapper/408:56:034
135108699110,11cyclictest0-21swapper/408:28:004
135108699110,10cyclictest0-21swapper/408:59:484
135109399106,3cyclictest5994-21gmain08:34:537
135109399106,3cyclictest1277-21snmpd08:26:067
135109399100,9cyclictest1277-21snmpd07:44:447
135109199108,2cyclictest1646299-21kworker/u16:1+flush-8:010:24:516
135109199106,3cyclictest2056319-21tune2fs12:19:466
135108699109,1cyclictest0-21swapper/411:01:234
135108699109,1cyclictest0-21swapper/410:50:314
135108699109,1cyclictest0-21swapper/410:05:254
135108699109,1cyclictest0-21swapper/409:59:354
135108699109,1cyclictest0-21swapper/409:34:504
135108699109,1cyclictest0-21swapper/409:34:034
135108699109,1cyclictest0-21swapper/408:46:264
135108699109,1cyclictest0-21swapper/407:50:474
13510869998,1cyclictest0-21swapper/409:16:334
13510869998,1cyclictest0-21swapper/409:06:284
13510869998,1cyclictest0-21swapper/409:06:284
13510869998,1cyclictest0-21swapper/408:40:184
13510869998,1cyclictest0-21swapper/408:17:174
13510869998,1cyclictest0-21swapper/407:29:024
13510869994,4cyclictest1468367-21cut08:04:534
13510869986,1cyclictest0-21swapper/410:54:514
13510869986,1cyclictest0-21swapper/407:40:014
13510869986,1cyclictest0-21swapper/407:34:494
13510869985,2cyclictest1424525-21kthreadcore07:44:514
13510869984,3cyclictest1443293-21grep07:54:474
13510869983,4cyclictest1994483-21wc11:54:444
13510869983,4cyclictest1787440-21cat10:29:494
13510869983,4cyclictest1356843-21grep07:09:524
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