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2026-05-08 - 13:25
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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 May 08, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147686221000,1sleep71476861-21rm09:44:397
17055852950,1sleep60-21swapper/611:18:476
17055852950,1sleep60-21swapper/611:18:476
1145938996158,2cyclictest1293794-21kworker/u16:0+events_unbound08:48:405
1145938996057,2cyclictest1293794-21kworker/u16:0+events_unbound08:33:415
1145938996057,2cyclictest1293794-21kworker/u16:0+events_unbound08:33:415
1145938995653,2cyclictest1513715-21kworker/u16:1+events_unbound10:38:565
1145938995653,2cyclictest1478994-21kworker/u16:2+events_unbound10:48:405
1145938995452,2cyclictest1293794-21kworker/u16:0+events_unbound08:38:545
114553425343,7sleep40-21swapper/407:06:594
1145938995250,2cyclictest1371136-21kworker/u16:2+events_unbound09:08:405
1145938994947,2cyclictest1216834-21kworker/u16:1+events_unbound08:23:555
1145938994745,2cyclictest1712407-21kworker/u16:5+events_unbound12:08:485
1145938994744,2cyclictest1216834-21kworker/u16:1+flush-8:007:43:395
1145933994644,2cyclictest1293794-21kworker/u16:0+flush-8:008:33:564
1145933994644,2cyclictest1293794-21kworker/u16:0+flush-8:008:33:564
1145938994542,2cyclictest1478994-21kworker/u16:2+events_unbound09:53:395
1145938994542,2cyclictest1478994-21kworker/u16:2+events_unbound09:53:395
1145938994442,2cyclictest1734383-21kworker/u16:1+flush-8:011:58:585
1145938994442,2cyclictest1734383-21kworker/u16:1+flush-8:011:58:585
1145933994340,2cyclictest1513715-21kworker/u16:1+flush-8:010:08:254
1145933994340,2cyclictest1226980-21kworker/u16:0+flush-8:007:53:524
1145938994240,2cyclictest1712407-21kworker/u16:5+events_unbound11:33:515
1145933994137,3cyclictest1216834-21kworker/u16:1+flush-8:007:58:524
11371972413,31sleep70-21swapper/707:03:427
1145942993937,2cyclictest1405761-21kworker/u16:2+flush-8:009:28:516
1145938993937,2cyclictest1734383-21kworker/u16:1+events_unbound12:18:125
1145938993836,2cyclictest1513715-21kworker/u16:1+events_unbound10:37:415
1145938993836,2cyclictest1513715-21kworker/u16:1+events_unbound10:27:535
1145938993836,2cyclictest1465884-21kworker/u16:0+flush-8:009:48:505
1145942993735,2cyclictest1322662-21kworker/u16:3+flush-8:009:59:336
1145938993735,2cyclictest1663291-21kworker/u16:4+events_unbound12:07:165
1145938993735,2cyclictest1663291-21kworker/u16:4+events_unbound12:07:165
1145938993735,2cyclictest1663291-21kworker/u16:4+events_unbound11:43:535
1145938993735,2cyclictest1513715-21kworker/u16:1+events_unbound10:47:205
1145938993735,2cyclictest1478994-21kworker/u16:2+events_unbound10:12:175
1145938993735,2cyclictest1351934-21kworker/u16:4+events_unbound09:18:545
1145938993734,2cyclictest1712407-21kworker/u16:5+flush-8:011:56:035
114558223727,7sleep50-21swapper/507:07:415
1145938993634,2cyclictest1696857-21kworker/u16:2+flush-8:011:23:565
1145938993634,2cyclictest1322662-21kworker/u16:3+flush-8:009:03:505
1145938993634,2cyclictest1322662-21kworker/u16:3+events_unbound09:17:285
1145938993634,2cyclictest1322662-21kworker/u16:3+events_unbound09:17:285
1145938993634,2cyclictest1168969-21kworker/u16:5+flush-8:007:33:545
1145942993530,5cyclictest1322662-21kworker/u16:3+flush-8:008:38:516
1145938993533,2cyclictest1734383-21kworker/u16:1+events_unbound11:49:565
1145938993533,2cyclictest1712407-21kworker/u16:5+events_unbound12:21:005
1145938993533,2cyclictest1478994-21kworker/u16:2+flush-8:010:58:535
1145938993533,2cyclictest1478994-21kworker/u16:2+events_unbound10:02:415
1145938993533,2cyclictest1427373-21kworker/u16:0+events_unbound09:26:045
1145938993533,2cyclictest1322662-21kworker/u16:3+events_unbound09:31:175
1145938993533,2cyclictest1246085-21kworker/u16:3+events_unbound08:14:255
1145938993432,2cyclictest1844756-21kworker/u16:0+events_unbound12:29:485
1145938993432,2cyclictest1663291-21kworker/u16:4+events_unbound11:11:125
1145938993432,2cyclictest1663291-21kworker/u16:4+events_unbound11:07:125
1145938993432,2cyclictest1513715-21kworker/u16:1+events_unbound10:17:165
1145938993432,2cyclictest1226980-21kworker/u16:0+flush-8:007:58:535
1145933993432,2cyclictest1147372-21kworker/u16:3+flush-8:007:13:574
1145938993331,2cyclictest1696857-21kworker/u16:2+events_unbound11:14:365
1145938993331,2cyclictest1663291-21kworker/u16:4+flush-8:011:18:565
1145938993331,2cyclictest1663291-21kworker/u16:4+flush-8:011:18:565
1145938993331,2cyclictest1322662-21kworker/u16:3+events_unbound10:04:165
1145938993331,2cyclictest1274615-21kworker/u16:2+events_unbound08:22:415
1145938993330,2cyclictest1226980-21kworker/u16:0+flush-8:007:53:415
1145933993331,2cyclictest1293794-21kworker/u16:0+flush-8:008:33:264
1145938993230,2cyclictest1712407-21kworker/u16:5+flush-8:012:23:535
1145938993230,2cyclictest1626376-21kworker/u16:0+events_unbound10:54:045
1145938993230,2cyclictest1478994-21kworker/u16:2+events_unbound10:30:335
1145938993230,2cyclictest1405761-21kworker/u16:2+flush-8:009:35:165
1145933993230,2cyclictest1612597-21kworker/u16:3+events_unbound10:48:564
114554523222,7sleep60-21swapper/607:07:096
1145938993129,2cyclictest1322662-21kworker/u16:3+flush-8:009:01:445
1145938993129,2cyclictest1216834-21kworker/u16:1+events_unbound08:03:555
1145938993129,2cyclictest1126884-21kworker/u16:0+flush-8:007:28:535
1145938993028,2cyclictest1322662-21kworker/u16:3+events_unbound09:44:205
1145938993028,2cyclictest1246085-21kworker/u16:3+events_unbound08:11:425
1145938993028,2cyclictest1126884-21kworker/u16:0+events_unbound07:28:255
1145933993028,2cyclictest1478994-21kworker/u16:2+flush-8:009:59:334
1145933993028,2cyclictest1322662-21kworker/u16:3+flush-8:009:23:544
1145938992927,2cyclictest1712407-21kworker/u16:5+events_unbound11:31:205
1145938992927,2cyclictest1478994-21kworker/u16:2+events_unbound10:18:545
1145938992927,2cyclictest1147372-21kworker/u16:3+events_unbound07:13:385
1145938992926,2cyclictest1226980-21kworker/u16:0+events_unbound07:48:275
1145938992926,2cyclictest1226980-21kworker/u16:0+events_unbound07:48:275
1145933992926,3cyclictest1216834-21kworker/u16:1+flush-8:008:03:434
1145933992926,2cyclictest1746697-21kworker/u16:0+flush-8:011:38:314
1145933992825,2cyclictest1513715-21kworker/u16:1+flush-8:010:58:324
1145948992722,4cyclictest1675528-21latency_hist11:08:267
1145938992725,2cyclictest1880915-21kworker/u16:2+events_unbound12:36:235
1145938992725,2cyclictest1274615-21kworker/u16:2+flush-8:008:48:255
1145938992725,2cyclictest1216834-21kworker/u16:1+flush-8:007:42:335
1145933992723,3cyclictest1082755-21kworker/u16:2+flush-8:007:18:574
1145938992624,2cyclictest1293794-21kworker/u16:0+flush-8:008:28:445
1145933992624,2cyclictest1513715-21kworker/u16:1+flush-8:011:13:304
1145938992523,2cyclictest1734383-21kworker/u16:1+flush-8:011:38:555
1145938992523,2cyclictest1442132-21kworker/u16:1+events_unbound09:41:075
1145933992523,2cyclictest1126884-21kworker/u16:0+flush-8:007:28:584
1145938992422,2cyclictest1293794-21kworker/u16:0+flush-8:008:53:485
1145933992422,2cyclictest1478994-21kworker/u16:2+events_unbound10:18:444
1145938992321,2cyclictest1147372-21kworker/u16:3+flush-8:007:09:265
1145933992321,2cyclictest1734383-21kworker/u16:1+flush-8:012:08:504
1145933992321,2cyclictest1371136-21kworker/u16:2+flush-8:009:08:424
1145948992215,5cyclictest1896341-21latency_hist12:38:257
1145938992220,2cyclictest1082755-21kworker/u16:2+events_unbound07:20:345
14388552210,1chrt1438853-21ntpq09:28:527
1145933992118,3cyclictest1478994-21kworker/u16:2+flush-8:010:33:534
1145933992118,2cyclictest1227179-21kworker/u16:2+flush-8:007:48:424
1145933992118,2cyclictest1227179-21kworker/u16:2+flush-8:007:48:424
13702922200,1chrt1370291-21swap08:58:557
1145933992018,2cyclictest1734383-21kworker/u16:1+flush-8:011:59:014
1145933992018,2cyclictest1734383-21kworker/u16:1+flush-8:011:59:014
1145933992017,2cyclictest1126884-21kworker/u16:0+flush-8:007:38:514
1145948991913,5cyclictest1724614-21latency_hist11:28:257
1145933991917,2cyclictest1844756-21kworker/u16:0+events_unbound12:33:564
1145933991917,2cyclictest1734383-21kworker/u16:1+flush-8:012:28:324
1145933991917,2cyclictest1663291-21kworker/u16:4+flush-8:011:38:214
1145933991917,2cyclictest1293794-21kworker/u16:0+flush-8:009:13:414
1145933991917,2cyclictest1293794-21kworker/u16:0+flush-8:009:13:414
1145933991916,2cyclictest1478994-21kworker/u16:2+flush-8:009:53:534
1145933991916,2cyclictest1478994-21kworker/u16:2+flush-8:009:53:534
1145948991812,5cyclictest1429841-21latency_hist09:28:267
114594899180,16cyclictest1234-21snmpd12:28:097
114594899180,16cyclictest1234-21snmpd08:40:417
1145933991816,2cyclictest1663291-21kworker/u16:4+flush-8:011:53:534
1145933991816,2cyclictest1322662-21kworker/u16:3+flush-8:009:28:534
1145948991714,2cyclictest1234-21snmpd11:29:577
1145948991612,3cyclictest1636153-21ssh10:48:597
114594899160,14cyclictest1234-21snmpd08:53:417
1145933991614,2cyclictest1513715-21kworker/u16:1+flush-8:011:11:364
1145933991613,2cyclictest1513715-21kworker/u16:1+flush-8:011:08:264
114594899156,7cyclictest6382-21gvfs-afc-volume08:23:497
1145948991513,1cyclictest0-21swapper/707:48:447
1145948991513,1cyclictest0-21swapper/707:48:447
1145948991512,2cyclictest0-21swapper/708:48:447
1145948991512,2cyclictest0-21swapper/707:18:457
114594899150,14cyclictest0-21swapper/709:35:127
1145942991513,2cyclictest86-21ksoftirqd/607:53:396
1145942991513,2cyclictest1734383-21kworker/u16:1+flush-8:011:48:366
17580232140,0sleep60-21swapper/611:38:506
1145948991413,0cyclictest0-21swapper/711:16:447
1145948991412,1cyclictest0-21swapper/710:13:487
1145948991412,1cyclictest0-21swapper/709:58:567
1145948991411,2cyclictest0-21swapper/709:48:417
1145948991411,2cyclictest0-21swapper/709:18:257
1145948991411,2cyclictest0-21swapper/709:18:257
1145942991413,1cyclictest0-21swapper/612:04:496
1145942991413,1cyclictest0-21swapper/612:04:496
1145942991413,1cyclictest0-21swapper/611:29:396
1145942991413,1cyclictest0-21swapper/611:06:006
1145942991413,1cyclictest0-21swapper/609:35:026
114594299140,14cyclictest0-21swapper/612:29:536
114594299140,14cyclictest0-21swapper/610:27:046
114594299140,14cyclictest0-21swapper/608:48:506
1145933991413,1cyclictest0-21swapper/412:27:374
1145933991413,1cyclictest0-21swapper/412:21:474
1145933991413,1cyclictest0-21swapper/410:38:504
1145933991413,1cyclictest0-21swapper/409:36:244
1145933991412,2cyclictest1663291-21kworker/u16:4+flush-8:012:03:534
1145933991412,2cyclictest1663291-21kworker/u16:4+flush-8:012:03:534
1145933991412,2cyclictest1082755-21kworker/u16:2+events_unbound07:23:404
114594899139,3cyclictest1234-21snmpd11:48:097
114594899139,3cyclictest1234-21snmpd08:18:227
114594899138,4cyclictest6514-21gmain07:58:527
114594899137,5cyclictest6514-21gmain09:38:487
114594899137,5cyclictest1381838-21tune2fs09:08:407
114594899136,6cyclictest6514-21gmain11:23:117
114594899136,6cyclictest6514-21gmain11:23:117
1145948991311,1cyclictest1577366-21ssh10:28:267
1145948991311,1cyclictest0-21swapper/712:18:397
1145948991311,1cyclictest0-21swapper/712:08:497
1145948991311,1cyclictest0-21swapper/711:38:547
114594899130,11cyclictest1775012-21cat11:48:417
1145942991312,1cyclictest0-21swapper/612:17:546
1145942991312,1cyclictest0-21swapper/610:16:016
1145942991312,1cyclictest0-21swapper/610:05:376
1145942991312,1cyclictest0-21swapper/609:55:136
1145942991312,1cyclictest0-21swapper/609:55:136
1145942991312,1cyclictest0-21swapper/609:22:256
1145942991312,1cyclictest0-21swapper/609:08:426
114594299130,1cyclictest0-21swapper/607:13:186
1145933991312,1cyclictest0-21swapper/412:15:194
1145933991312,1cyclictest0-21swapper/411:28:394
1145933991312,1cyclictest0-21swapper/410:16:274
1145933991312,1cyclictest0-21swapper/409:46:394
1145933991311,2cyclictest1322662-21kworker/u16:3+flush-8:008:58:414
114593399130,13cyclictest0-21swapper/410:27:384
114594899129,2cyclictest1234-21snmpd10:29:507
114594899129,2cyclictest1234-21snmpd08:33:207
114594899129,2cyclictest0-21swapper/712:28:577
114594899129,2cyclictest0-21swapper/710:33:417
114594899128,3cyclictest1234-21snmpd08:09:437
114594899128,3cyclictest1234-21snmpd07:56:527
114594899128,3cyclictest1234-21snmpd07:43:347
114594899128,3cyclictest1234-21snmpd07:30:217
114594899128,3cyclictest1234-21snmpd07:28:157
114594899126,5cyclictest1322986-21turbostat08:38:267
114594899126,5cyclictest1322986-21turbostat08:38:267
1145948991210,1cyclictest0-21swapper/708:18:527
114594899120,11cyclictest1234-21snmpd11:01:447
114594899120,11cyclictest0-21swapper/707:35:427
1145942991211,1cyclictest0-21swapper/611:17:596
1145942991211,1cyclictest0-21swapper/609:45:176
1145942991211,1cyclictest0-21swapper/607:52:526
1145942991211,1cyclictest0-21swapper/607:52:526
114593399129,2cyclictest1513715-21kworker/u16:1+events_unbound10:28:444
1145933991211,1cyclictest0-21swapper/411:51:314
114594899119,1cyclictest0-21swapper/711:58:387
114594899119,1cyclictest0-21swapper/711:58:387
114594899119,1cyclictest0-21swapper/709:18:517
114594899118,3cyclictest6514-21gmain10:42:557
114594899118,2cyclictest1234-21snmpd12:13:457
114594899118,2cyclictest0-21swapper/707:13:487
114594899117,3cyclictest1234-21snmpd07:39:157
114594899116,5cyclictest6382-21gvfs-afc-volume10:08:017
114594899116,4cyclictest827-21dbus-daemon07:13:267
114594899116,4cyclictest6382-21gvfs-afc-volume10:20:057
114594899115,4cyclictest1528890-21grep10:08:377
114594899110,9cyclictest1790755-21kthreadcore11:53:487
114594899110,10cyclictest1749150-21latency_hist11:38:267
114594899110,10cyclictest1639157-21/usr/sbin/munin10:53:477
114594299119,2cyclictest86-21ksoftirqd/610:43:456
114594299110,11cyclictest0-21swapper/607:14:056
1145933991110,1cyclictest0-21swapper/408:51:004
114594899107,2cyclictest0-21swapper/711:08:407
114594899107,2cyclictest0-21swapper/710:43:537
114594899107,2cyclictest0-21swapper/708:43:437
114594899106,3cyclictest1234-21snmpd09:55:257
114594899106,3cyclictest1234-21snmpd09:55:257
114594899106,3cyclictest1234-21snmpd09:07:327
114594899105,4cyclictest827-21dbus-daemon08:08:267
114594899105,4cyclictest1811523-21tune2fs12:03:397
114594899105,4cyclictest1811523-21tune2fs12:03:397
114594299109,1cyclictest0-21swapper/610:53:236
114594299108,2cyclictest86-21ksoftirqd/612:33:386
114593399108,2cyclictest1465884-21kworker/u16:0+flush-8:009:48:564
114593399108,2cyclictest1168969-21kworker/u16:5+flush-8:007:43:474
11459429998,1cyclictest0-21swapper/607:37:446
11459429998,1cyclictest0-21swapper/607:26:046
11459429997,2cyclictest86-21ksoftirqd/612:27:246
11459429997,2cyclictest86-21ksoftirqd/612:22:146
11459429997,2cyclictest86-21ksoftirqd/612:11:286
11459429997,2cyclictest86-21ksoftirqd/612:00:006
11459429997,2cyclictest86-21ksoftirqd/612:00:006
11459429997,2cyclictest86-21ksoftirqd/610:43:216
11459429997,2cyclictest86-21ksoftirqd/610:28:516
11459429997,2cyclictest86-21ksoftirqd/610:18:416
11459429997,2cyclictest86-21ksoftirqd/609:24:066
11459429996,3cyclictest1696857-21kworker/u16:2+flush-8:011:24:076
11459429990,4cyclictest1685591-21taskset11:09:336
11459339998,1cyclictest0-21swapper/409:23:194
11459429986,2cyclictest86-21ksoftirqd/611:53:566
11459429986,2cyclictest86-21ksoftirqd/611:43:356
11459429986,2cyclictest86-21ksoftirqd/611:34:376
11459429986,2cyclictest86-21ksoftirqd/610:55:546
11459429986,2cyclictest86-21ksoftirqd/610:36:276
11459429986,2cyclictest86-21ksoftirqd/610:11:076
11459429986,2cyclictest86-21ksoftirqd/609:50:396
11459429986,2cyclictest86-21ksoftirqd/609:38:326
11459429986,2cyclictest86-21ksoftirqd/609:18:056
11459429986,2cyclictest86-21ksoftirqd/609:18:056
11459339983,4cyclictest1154936-21unixbench-2d07:08:524
11459429976,1cyclictest0-21swapper/608:08:466
11459429975,2cyclictest86-21ksoftirqd/609:03:496
11459429971,1cyclictest0-21swapper/610:59:206
11459429970,6cyclictest13529532sleep608:53:416
11459429970,2cyclictest5944-21gsd-housekeepin08:44:446
11459429970,1cyclictest0-21swapper/608:13:456
11459429970,0cyclictest0-21swapper/608:03:476
11459339975,2cyclictest1539093-21kworker/u16:0+flush-8:010:13:214
11459339975,2cyclictest1371136-21kworker/u16:2+flush-8:009:03:524
11459429962,1cyclictest0-21swapper/608:34:196
11459429962,1cyclictest0-21swapper/608:34:196
11459429962,1cyclictest0-21swapper/607:45:166
11459429960,6cyclictest0-21swapper/608:58:376
11459429960,6cyclictest0-21swapper/608:28:426
11459429960,6cyclictest0-21swapper/608:23:476
11459429960,6cyclictest0-21swapper/608:18:406
11459429960,6cyclictest0-21swapper/607:38:476
11459429960,6cyclictest0-21swapper/607:33:256
11459429960,6cyclictest0-21swapper/607:18:506
11459429960,1cyclictest0-21swapper/608:01:146
11459339964,1cyclictest0-21swapper/408:57:084
11459339963,2cyclictest641ktimers/408:18:384
11459339963,2cyclictest16231632sleep410:43:524
11459339961,5cyclictest1698364-21kworker/4:0-events11:18:434
11459339961,5cyclictest1698364-21kworker/4:0-events11:18:434
11459339960,1cyclictest0-21swapper/409:41:524
11459339960,1cyclictest0-21swapper/408:43:484
11459339950,5cyclictest0-21swapper/408:38:354
11459339950,5cyclictest0-21swapper/408:13:514
11459339950,4cyclictest1761787-21chrt11:43:294
11459339950,4cyclictest1639071-21chrt10:53:284
11459339950,4cyclictest1294510-21chrt08:23:354
11459339950,4cyclictest1274628-21chrt08:09:164
11459339950,4cyclictest1198255-21chrt07:33:274
11459339950,0cyclictest0-21swapper/411:23:414
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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