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2026-07-06 - 17:01
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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
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Mon Jul 06, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
157522721630,2sleep30-21swapper/311:09:493
148323821130,1sleep10-21swapper/110:08:551
146679821000,2sleep30-21swapper/309:55:023
15436922840,2sleep30-21swapper/310:49:453
1251253993721,11cyclictest1429064-21unin-run09:30:000
1251254992926,2cyclictest1578581-21latency_hist11:10:021
1251253992917,5cyclictest1614293-21kthreadcore11:34:480
1251253992720,2cyclictest0-21swapper/011:50:030
1251254992516,3cyclictest1645087-21ssh11:54:561
125125499244,6cyclictest1278037-21cron07:30:011
1251254992320,2cyclictest660-21dbus-daemon11:40:011
1251253992312,6cyclictest0-21swapper/012:19:420
1251255992220,1cyclictest0-21swapper/210:15:022
1251254992219,2cyclictest765-1atopacctd09:45:011
1251254992218,2cyclictest1399680-21systemd09:10:031
1251253992215,2cyclictest0-21swapper/011:40:020
125125399221,16cyclictest1303605-21diskstats07:54:460
492398210,3rtkit-daemon1247-21mta-sts-daemon12:37:160
1251255992118,1cyclictest0-21swapper/210:44:482
125125399217,8cyclictest0-21swapper/009:49:410
1251253992117,3cyclictest1242-21mta-sts-daemon09:44:510
1251255992017,1cyclictest0-21swapper/208:30:012
1251254992017,2cyclictest1667961-21grep12:10:031
1251253992012,4cyclictest1695943-21kthreadcore12:29:500
1251253992010,5cyclictest0-21swapper/009:24:470
1251253992010,5cyclictest0-21swapper/009:24:470
3153791190,2phc2sys0-21swapper/310:06:303
3153791190,2phc2sys0-21swapper/309:25:303
1251255991917,1cyclictest0-21swapper/207:15:022
1251255991916,1cyclictest0-21swapper/209:40:012
1251255991916,1cyclictest0-21swapper/209:19:542
1251254991916,2cyclictest1563562-21latency_hist11:00:011
1251254991916,2cyclictest1246-21mta-sts-daemon09:46:151
1251254991915,3cyclictest1518393-21ptp4l-jitter10:29:541
1251254991913,2cyclictest67250irq/126-eno109:55:021
1251254991912,3cyclictest1251251-21cyclictest12:14:561
125125399198,6cyclictest0-21swapper/012:24:550
125125399198,6cyclictest0-21swapper/012:14:440
125125399198,6cyclictest0-21swapper/007:59:470
1251253991916,2cyclictest1257617-21fschecks_count07:15:020
1251253991915,3cyclictest765-1atopacctd11:14:480
3153791180,3phc2sys0-21swapper/311:30:193
1251255991816,1cyclictest0-21swapper/210:19:482
1251255991815,1cyclictest0-21swapper/209:10:012
1251255991815,1cyclictest0-21swapper/208:20:002
1251254991815,2cyclictest1655486-21cut12:04:471
1251254991815,2cyclictest1526439-21apt-config10:35:011
1251254991815,2cyclictest1264951-21needreboot07:19:501
125125499181,16cyclictest1585779-21awk11:15:001
1251254991811,3cyclictest1635201-21tail11:49:481
1251254991811,3cyclictest1423566-21aten_repower_fr09:29:421
125125399189,5cyclictest0-21swapper/011:04:480
125125399189,5cyclictest0-21swapper/011:04:480
125125399189,5cyclictest0-21swapper/010:59:490
125125399188,6cyclictest0-21swapper/012:09:490
125125399188,6cyclictest0-21swapper/011:24:500
125125399188,5cyclictest0-21swapper/010:44:500
125125399187,6cyclictest0-21swapper/010:26:470
1251253991815,2cyclictest781-21gmain08:59:470
1251253991815,2cyclictest1556173-21munin-plugin-st10:55:010
1251253991815,2cyclictest1488609-21mailstats10:09:540
1251253991815,2cyclictest0-21swapper/010:00:010
1251253991813,2cyclictest1242-21mta-sts-daemon09:36:290
3153791170,3phc2sys0-21swapper/312:02:053
3153791170,2phc2sys0-21swapper/310:59:003
3153791170,2phc2sys0-21swapper/310:33:383
1251255991715,1cyclictest0-21swapper/211:55:032
1251255991715,1cyclictest0-21swapper/207:20:012
1251255991714,1cyclictest0-21swapper/212:39:502
1251255991714,1cyclictest0-21swapper/212:24:562
1251255991714,1cyclictest0-21swapper/211:29:502
1251255991714,1cyclictest0-21swapper/209:49:532
1251255991714,1cyclictest0-21swapper/209:34:542
1251254991714,2cyclictest1689032-21latency12:24:511
1251254991714,2cyclictest1533542-21cut10:39:531
1251254991714,2cyclictest1444617-21systemd09:40:021
1251254991714,2cyclictest1355518-21kthreadcore08:34:501
1251254991714,2cyclictest1320590-21basename08:05:001
1251254991714,2cyclictest1-21systemd07:25:011
1251254991714,2cyclictest0-21swapper/112:00:011
1251254991714,1cyclictest0-21swapper/110:05:021
1251254991713,3cyclictest1624904-21aten_repower_cu11:44:411
1251254991713,3cyclictest1493738-21kthreadcore10:14:481
1251254991712,1cyclictest67250irq/126-eno112:34:431
125125399178,5cyclictest1523726-21kthreadcore10:34:490
125125399173,3cyclictest1237-21mta-sts-daemon07:24:310
125125399171,4cyclictest1351583-21apt-get08:34:420
1251253991714,2cyclictest1363002-21idleruntime-cro08:40:010
1251253991712,4cyclictest1260785-21sort07:19:440
1251253991712,2cyclictest1237-21mta-sts-daemon10:16:510
492398160,3rtkit-daemon1237-21mta-sts-daemon11:26:081
492398160,1rtkit-daemon0-21swapper/110:44:111
3153791161,4phc2sys0-21swapper/311:04:413
3153791161,4phc2sys0-21swapper/311:04:413
3153791160,3phc2sys0-21swapper/310:13:023
3153791160,2phc2sys0-21swapper/312:32:473
3153791160,2phc2sys0-21swapper/310:39:283
3153791160,2phc2sys0-21swapper/309:49:433
3153791160,1phc2sys0-21swapper/310:40:523
1251255991614,1cyclictest0-21swapper/211:59:482
1251255991614,1cyclictest0-21swapper/211:50:012
1251255991614,1cyclictest0-21swapper/208:05:022
1251255991613,1cyclictest0-21swapper/211:40:012
1251255991613,1cyclictest0-21swapper/211:11:482
1251255991613,1cyclictest0-21swapper/211:00:022
1251255991613,1cyclictest0-21swapper/210:54:432
1251255991613,1cyclictest0-21swapper/208:20:482
1251255991613,1cyclictest0-21swapper/208:15:012
125125599161,2cyclictest0-21swapper/207:29:412
125125499168,3cyclictest0-21swapper/110:20:481
125125499168,3cyclictest0-21swapper/109:24:421
125125499168,3cyclictest0-21swapper/109:24:421
125125499167,4cyclictest0-21swapper/109:34:481
1251254991613,2cyclictest1612655-21kthreadcore11:34:481
1251254991613,2cyclictest1571195-21systemd-run11:05:021
1251254991613,2cyclictest1571195-21systemd-run11:05:021
1251254991613,2cyclictest1548792-21turbostat.cron10:50:011
1251254991613,2cyclictest1414078-21grep09:19:571
1251254991613,2cyclictest1350930-21idleruntime-cro08:30:011
1251254991613,2cyclictest1237-21mta-sts-daemon12:19:501
1251254991612,3cyclictest1258285-21kthreadcore07:15:031
1251254991612,2cyclictest1326883-21sh08:10:021
125125399163,8cyclictest1463351-21cut09:54:490
1251253991614,2cyclictest171ktimers/012:34:080
1251253991613,2cyclictest1380347-21kthreadcore08:54:510
1251253991613,2cyclictest1370879-21irqrtprio08:49:480
1251253991613,2cyclictest1296246-21unixbench_singl07:44:570
1251253991613,2cyclictest1296246-21unixbench_singl07:44:570
1251253991613,2cyclictest1251251-21cyclictest12:04:460
1251253991610,2cyclictest1247-21mta-sts-daemon09:18:000
125125399160,10cyclictest660-21dbus-daemon08:20:010
3153791150,2phc2sys0-21swapper/312:28:033
3153791150,2phc2sys0-21swapper/311:54:523
3153791150,2phc2sys0-21swapper/309:33:243
1251255991513,1cyclictest0-21swapper/212:30:032
1251255991513,1cyclictest0-21swapper/211:25:012
1251255991513,1cyclictest0-21swapper/210:05:032
1251255991512,1cyclictest0-21swapper/210:40:012
1251255991512,1cyclictest0-21swapper/210:23:132
1251255991512,1cyclictest0-21swapper/207:40:012
1251255991512,1cyclictest0-21swapper/207:40:012
1251255991512,1cyclictest0-21swapper/207:24:532
1251255991511,2cyclictest0-21swapper/209:22:172
1251255991511,2cyclictest0-21swapper/209:22:172
1251254991512,2cyclictest1311910-21sed07:59:481
1251254991512,2cyclictest1246-21mta-sts-daemon09:10:301
1251254991512,2cyclictest1237-21mta-sts-daemon12:35:311
1251254991511,3cyclictest1511771-21kworker/u16:2+nfsiod10:54:401
1251254991511,3cyclictest1340027-21fschecks_count08:24:461
1251254991511,3cyclictest1292604-21kthreadcore07:44:491
1251254991511,3cyclictest1292604-21kthreadcore07:44:491
1251254991511,3cyclictest1247-21mta-sts-daemon08:45:011
1251254991511,3cyclictest1237-21mta-sts-daemon07:49:441
1251254991511,3cyclictest1237-21mta-sts-daemon07:34:481
1251254991511,2cyclictest1242-21mta-sts-daemon08:55:021
125125399154,6cyclictest0-21swapper/011:09:550
1251253991512,2cyclictest660-21dbus-daemon08:25:010
1251253991512,2cyclictest1640670-21grep11:54:470
1251253991512,2cyclictest1626059-21irqrtprio11:44:480
1251253991512,2cyclictest1246-21mta-sts-daemon10:04:090
1251253991511,3cyclictest1429715-21kworker/u16:3+nfsiod10:45:140
1251253991511,3cyclictest1366017-21kthreadcore08:44:500
3153791140,2phc2sys0-21swapper/312:39:073
3153791140,2phc2sys0-21swapper/312:11:033
3153791140,2phc2sys0-21swapper/311:14:043
3153791140,2phc2sys0-21swapper/310:26:163
3153791140,2phc2sys0-21swapper/308:04:423
125125599141,6cyclictest0-21swapper/210:00:022
125125599141,2cyclictest0-21swapper/209:00:022
1251255991412,1cyclictest0-21swapper/210:26:062
1251255991412,1cyclictest0-21swapper/210:10:012
1251255991412,1cyclictest0-21swapper/207:50:012
1251255991411,2cyclictest0-21swapper/207:44:432
1251255991411,2cyclictest0-21swapper/207:44:432
1251255991411,1cyclictest0-21swapper/212:19:532
1251255991411,1cyclictest0-21swapper/211:06:252
1251255991411,1cyclictest0-21swapper/210:49:442
1251255991411,1cyclictest0-21swapper/208:40:012
1251255991411,1cyclictest0-21swapper/208:00:002
125125499148,5cyclictest1246-21mta-sts-daemon08:57:091
125125499148,5cyclictest1237-21mta-sts-daemon11:22:001
1251254991411,2cyclictest660-21dbus-daemon07:10:031
1251254991411,2cyclictest1696849-21mailstats12:29:571
1251254991411,2cyclictest1588479-21if_enp1s011:19:461
1251254991411,2cyclictest1389821-21kthreadcore09:04:491
1251254991411,2cyclictest1370041-21cpuspeed_turbos08:49:441
1251254991411,2cyclictest1358256-21cut08:39:461
1251254991411,2cyclictest1251251-21cyclictest09:55:361
1251254991411,2cyclictest1242-21mta-sts-daemon10:18:081
125125399149,4cyclictest1242-21mta-sts-daemon11:57:190
125125399149,4cyclictest1237-21mta-sts-daemon10:11:570
125125399149,1cyclictest491rcuog/210:20:520
125125399148,2cyclictest0-21swapper/010:35:380
125125399143,6cyclictest0-21swapper/009:34:410
125125399142,7cyclictest0-21swapper/007:39:420
125125399142,7cyclictest0-21swapper/007:39:420
125125399141,7cyclictest660-21dbus-daemon07:35:030
1251253991411,2cyclictest1607517-21mailstats11:29:540
1251253991411,2cyclictest1401980-21gltestperf09:14:460
1251253991411,2cyclictest1392720-21phc2sys09:04:520
1251253991411,2cyclictest1348771-21kthreadcore08:29:490
1251253991411,2cyclictest1274483-21kthreadcore07:29:480
1251253991411,2cyclictest1246-21mta-sts-daemon09:09:540
1251253991410,3cyclictest1329029-21kthreadcore08:14:500
1251253991410,3cyclictest1302252-21unixbench-2d07:49:560
1251253991410,2cyclictest0-21swapper/007:10:020
3153791131,2phc2sys0-21swapper/310:20:403
3153791131,2phc2sys0-21swapper/307:34:563
3153791130,3phc2sys0-21swapper/309:36:023
3153791130,2phc2sys0-21swapper/309:41:533
3153791130,2phc2sys0-21swapper/309:11:593
125125599131,6cyclictest0-21swapper/211:04:412
125125599131,6cyclictest0-21swapper/211:04:412
1251255991311,1cyclictest0-21swapper/212:11:132
1251255991311,1cyclictest0-21swapper/211:20:012
1251255991311,1cyclictest0-21swapper/209:10:292
1251255991311,1cyclictest0-21swapper/208:50:012
1251255991311,1cyclictest0-21swapper/208:09:462
1251255991311,1cyclictest0-21swapper/207:35:032
1251255991310,2cyclictest0-21swapper/212:10:022
1251255991310,2cyclictest0-21swapper/212:01:122
1251255991310,1cyclictest0-21swapper/211:41:432
1251255991310,1cyclictest0-21swapper/211:34:482
1251255991310,1cyclictest0-21swapper/209:54:472
1251255991310,1cyclictest0-21swapper/209:29:102
1251255991310,1cyclictest0-21swapper/209:04:462
1251255991310,1cyclictest0-21swapper/208:54:542
1251255991310,1cyclictest0-21swapper/208:44:492
1251255991310,1cyclictest0-21swapper/207:54:502
1251255991310,1cyclictest0-21swapper/207:10:012
125125599130,9cyclictest13515502sleep208:34:422
125125599130,11cyclictest0-21swapper/212:33:222
1251254991310,2cyclictest1303202-21aten_repower_vo07:54:451
1251254991310,2cyclictest1246-21mta-sts-daemon08:18:521
1251254991310,1cyclictest1251251-21cyclictest07:38:511
1251254991310,1cyclictest1251251-21cyclictest07:38:511
125125499130,3cyclictest0-21swapper/108:14:441
1251253991310,2cyclictest4922-21rtkit-daemon08:08:330
1251253991310,2cyclictest1246-21mta-sts-daemon11:17:260
1251253991310,2cyclictest1237-21mta-sts-daemon08:04:470
3153791123,2phc2sys0-21swapper/311:20:213
3153791121,4phc2sys0-21swapper/308:34:433
3153791120,3phc2sys0-21swapper/307:44:433
3153791120,3phc2sys0-21swapper/307:44:433
3153791120,2phc2sys0-21swapper/312:20:533
3153791120,2phc2sys0-21swapper/311:15:203
3153791120,2phc2sys0-21swapper/310:15:553
3153791120,1phc2sys0-21swapper/311:42:253
125125599129,1cyclictest0-21swapper/210:32:132
125125599129,1cyclictest0-21swapper/209:42:372
3153791112,2phc2sys0-21swapper/309:18:323
3153791111,2phc2sys0-21swapper/307:54:523
3153791110,3phc2sys0-21swapper/310:03:523
3153791110,2phc2sys0-21swapper/308:24:423
3153791110,2phc2sys0-21swapper/307:49:483
3153791110,2phc2sys0-21swapper/307:39:563
3153791110,2phc2sys0-21swapper/307:39:563
3153791110,1phc2sys0-21swapper/308:49:353
3153791110,1phc2sys0-21swapper/308:26:183
3153791110,1phc2sys0-21swapper/308:13:443
16815052110,2sleep30-21swapper/312:19:513
3153791103,2phc2sys0-21swapper/308:54:513
3153791101,2phc2sys0-21swapper/311:35:163
3153791101,2phc2sys0-21swapper/307:14:493
3153791100,2phc2sys0-21swapper/312:06:303
3153791100,2phc2sys0-21swapper/311:46:303
3153791100,2phc2sys0-21swapper/309:59:443
3153791100,2phc2sys0-21swapper/309:22:293
3153791100,2phc2sys0-21swapper/309:22:293
3153791100,2phc2sys0-21swapper/309:05:023
3153791100,2phc2sys0-21swapper/307:19:253
3153791100,1phc2sys0-21swapper/309:05:443
3153791100,1phc2sys0-21swapper/308:19:073
315379191,3phc2sys0-21swapper/307:27:283
315379191,2phc2sys0-21swapper/311:25:063
315379191,2phc2sys0-21swapper/308:41:303
315379190,3phc2sys0-21swapper/308:59:443
315379190,2phc2sys0-21swapper/311:55:323
315379190,2phc2sys0-21swapper/310:52:233
315379190,2phc2sys0-21swapper/308:09:353
315379190,2phc2sys0-21swapper/307:56:573
315379190,2phc2sys0-21swapper/307:21:223
315379190,1phc2sys0-21swapper/308:37:013
315379190,1phc2sys0-21swapper/307:07:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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