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2026-04-03 - 08:51
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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 Fri Apr 03, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1258760992714,7cyclictest0-21swapper/023:21:070
1258760992714,7cyclictest0-21swapper/023:21:070
1258767992522,1cyclictest0-21swapper/219:10:012
1258760992516,5cyclictest1562948-21latency_hist22:50:020
1258762992320,2cyclictest1653421-21sh23:50:001
1258760992316,6cyclictest1457205-21runrttasks21:39:030
1258767992219,1cyclictest0-21swapper/223:20:002
1258762992219,2cyclictest1290-21dbus-daemon22:55:021
1258762992219,2cyclictest1290-21dbus-daemon00:25:011
1258762992216,2cyclictest134050irq/121-eno121:45:001
1258760992212,6cyclictest0-21swapper/022:56:130
1258760992118,2cyclictest1-21systemd22:10:000
1258760992117,2cyclictest1532945-21latency_hist22:30:010
125876099210,17cyclictest0-21swapper/021:41:200
1258767992017,1cyclictest0-21swapper/222:30:012
1258762992017,2cyclictest3824565-21in:imuxsock21:55:001
1258762992017,2cyclictest1548006-21grep22:40:011
1258762992010,3cyclictest0-21swapper/123:31:051
1258760992019,0cyclictest1721309-21ssh00:34:000
1258760992015,1cyclictest1708242-21irqcore00:26:130
1258760992012,5cyclictest1692262-21acpi00:16:060
2649091190,2phc2sys0-21swapper/322:21:273
125876799197,9cyclictest14882842sleep222:01:062
125876799195,8cyclictest0-21swapper/221:50:012
1258767991917,1cyclictest0-21swapper/221:45:012
1258767991917,1cyclictest0-21swapper/220:35:022
1258767991916,1cyclictest0-21swapper/223:11:182
1258767991916,1cyclictest0-21swapper/222:15:002
1258767991916,1cyclictest0-21swapper/200:15:002
1258767991915,2cyclictest0-21swapper/223:01:192
1258762991916,2cyclictest1602665-21cut23:16:131
1258762991916,2cyclictest1487755-21sh22:00:001
1258762991916,2cyclictest1472614-21grep21:50:001
1258762991916,2cyclictest1448784-21grep21:31:221
1258762991916,2cyclictest1387148-21apt-key20:50:001
125876099195,4cyclictest0-21swapper/022:15:010
1258760991917,1cyclictest1324175-21apt-get20:00:010
1258760991917,1cyclictest1290-21dbus-daemon23:35:000
1258760991917,1cyclictest0-21swapper/000:40:010
1258760991917,1cyclictest0-21swapper/000:40:010
125876099191,1cyclictest1364102-21kthreadcore20:31:120
1258760991911,2cyclictest1511601-21gltestperf22:16:110
383433398180,3rtkit-daemon3851705-21mta-sts-daemon19:22:341
2649091181,5phc2sys0-21swapper/320:31:063
2649091181,3phc2sys0-21swapper/321:06:083
13740742180,2sleep11374078-21unixbench_multi20:36:191
1258767991816,1cyclictest0-21swapper/222:40:022
1258767991815,1cyclictest0-21swapper/223:44:392
1258767991815,1cyclictest0-21swapper/223:25:002
1258767991815,1cyclictest0-21swapper/223:25:002
1258767991815,1cyclictest0-21swapper/200:30:002
1258762991815,2cyclictest3851875-21systemd-journal00:00:021
1258762991815,2cyclictest1496804-21ps22:06:121
1258762991815,2cyclictest1350037-21sort20:21:071
1258762991815,2cyclictest1286608-21gdbus19:30:011
1258762991815,2cyclictest0-21swapper/122:20:011
1258762991811,3cyclictest3851704-21mta-sts-daemon00:15:081
1258762991811,3cyclictest1578910-21/usr/sbin/munin23:01:111
1258762991811,2cyclictest0-21swapper/100:05:011
125876099181,4cyclictest0-21swapper/021:13:490
1258760991813,1cyclictest0-21swapper/019:26:060
2649091170,2phc2sys0-21swapper/322:49:143
2649091170,2phc2sys0-21swapper/321:59:593
2649091170,2phc2sys0-21swapper/321:10:093
1258767991715,1cyclictest0-21swapper/222:25:012
1258767991715,1cyclictest0-21swapper/219:56:182
1258767991714,1cyclictest0-21swapper/223:55:002
1258767991714,1cyclictest0-21swapper/223:36:132
1258767991714,1cyclictest0-21swapper/223:00:012
1258767991714,1cyclictest0-21swapper/222:31:192
1258767991714,1cyclictest0-21swapper/220:25:002
1258767991714,1cyclictest0-21swapper/200:35:012
1258767991714,1cyclictest0-21swapper/200:06:152
1258767991714,1cyclictest0-21swapper/200:05:012
125876299179,6cyclictest3851705-21mta-sts-daemon23:40:321
125876299179,3cyclictest0-21swapper/123:11:201
125876299175,7cyclictest1616678-21aten2.4-expect23:26:081
1258762991714,2cyclictest1677777-21sh00:06:121
1258762991714,2cyclictest1258757-21cyclictest21:05:011
1258762991714,2cyclictest0-21swapper/122:45:021
1258762991713,3cyclictest1265110-21latency_hist19:15:011
1258762991713,2cyclictest0-21swapper/100:30:021
1258762991711,2cyclictest134050irq/121-eno122:01:121
1258762991711,2cyclictest134050irq/121-eno121:11:081
125876099179,7cyclictest0-21swapper/022:01:060
125876099179,4cyclictest1551462-21kthreadcore22:41:160
125876099179,4cyclictest0-21swapper/023:36:100
125876099177,6cyclictest0-21swapper/000:25:010
1258760991715,1cyclictest1311612-21dump-pmu-power19:50:000
1258760991714,2cyclictest3851702-21mta-sts-daemon23:53:140
1258760991714,2cyclictest1533641-21aten2.4-expect22:31:090
1258760991714,2cyclictest1349780-21GUsbEventThread20:37:360
1258760991714,2cyclictest1343140-21dump-pmu-power20:15:000
1258760991714,2cyclictest1290-21dbus-daemon21:46:180
1258760991712,2cyclictest3851704-21mta-sts-daemon21:52:100
383433398160,2rtkit-daemon0-21swapper/122:22:371
2649091168,2phc2sys0-21swapper/322:09:213
2649091163,2phc2sys0-21swapper/300:06:253
2649091160,3phc2sys0-21swapper/322:01:033
2649091160,2phc2sys0-21swapper/323:37:523
2649091160,2phc2sys0-21swapper/322:34:103
2649091160,2phc2sys0-21swapper/321:28:283
2649091160,1phc2sys0-21swapper/320:10:423
1258767991614,1cyclictest0-21swapper/222:10:012
1258767991613,1cyclictest0-21swapper/223:57:272
1258767991613,1cyclictest0-21swapper/223:50:012
1258767991613,1cyclictest0-21swapper/221:30:012
1258767991613,1cyclictest0-21swapper/221:11:122
1258767991613,1cyclictest0-21swapper/221:01:092
1258767991613,1cyclictest0-21swapper/219:42:352
1258767991613,1cyclictest0-21swapper/200:16:122
1258767991612,2cyclictest0-21swapper/222:16:092
1258767991611,2cyclictest0-21swapper/222:54:492
125876299169,6cyclictest3851705-21mta-sts-daemon20:56:171
1258762991613,2cyclictest3827634-1atopacctd22:31:021
1258762991613,2cyclictest1557443-21kernelversion22:46:151
1258762991613,2cyclictest1434775-21diskmemload21:24:281
1258762991613,2cyclictest0-21swapper/122:55:031
1258762991613,1cyclictest3851702-21mta-sts-daemon23:35:291
1258762991611,4cyclictest1265210-21munin-node19:30:501
1258762991610,5cyclictest3851702-21mta-sts-daemon23:09:061
125876099168,4cyclictest1603868-21kthreadcore23:16:140
125876099167,5cyclictest1641237-21kthreadcore23:41:150
125876099165,6cyclictest0-21swapper/022:36:100
125876099164,1cyclictest191rcu_preempt21:56:150
125876099163,9cyclictest16-21ksoftirqd/023:46:150
1258760991614,1cyclictest1380748-21cut20:45:000
1258760991614,1cyclictest1258757-21cyclictest21:21:140
1258760991613,2cyclictest1682544-21unixbench_multi00:06:210
1258760991613,2cyclictest1525480-21systemd-run22:25:010
1258760991613,2cyclictest1290-21dbus-daemon20:21:000
1258760991613,2cyclictest1273814-21munin-plugin-st19:20:010
1258760991612,3cyclictest1586071-21kworker/u16:1+nfsiod00:11:100
1258760991611,2cyclictest3851704-21mta-sts-daemon23:11:530
2649091150,5phc2sys0-21swapper/319:06:053
2649091150,2phc2sys0-21swapper/323:07:303
2649091150,2phc2sys0-21swapper/322:39:563
2649091150,2phc2sys0-21swapper/321:39:113
2649091150,2phc2sys0-21swapper/300:30:253
1258767991513,1cyclictest0-21swapper/222:41:202
1258767991513,1cyclictest0-21swapper/222:00:022
1258767991513,1cyclictest0-21swapper/219:30:012
1258767991513,1cyclictest0-21swapper/219:15:012
1258767991512,1cyclictest0-21swapper/223:26:132
1258767991512,1cyclictest0-21swapper/221:31:102
1258767991512,1cyclictest0-21swapper/220:50:002
1258767991512,1cyclictest0-21swapper/220:04:562
1258767991511,2cyclictest0-21swapper/219:35:022
125876299158,3cyclictest1267998-21tail19:16:081
125876299154,1cyclictest134050irq/121-eno100:11:261
125876299153,7cyclictest1450774-21aten2.4-expect21:36:071
1258762991512,2cyclictest3851703-21mta-sts-daemon19:46:081
1258762991512,2cyclictest3851703-21mta-sts-daemon00:30:391
1258762991512,2cyclictest1440759-21proc_pri21:26:191
1258762991512,2cyclictest1348522-21pmu-power20:16:171
1258762991512,2cyclictest1348522-21pmu-power20:16:171
1258762991512,2cyclictest1290-21dbus-daemon20:10:011
1258762991512,2cyclictest0-21swapper/121:20:001
1258762991511,3cyclictest1728012-21timerandwakeup00:36:201
1258762991511,3cyclictest1728012-21timerandwakeup00:36:201
1258762991511,3cyclictest1531084-21pmu-power22:26:191
1258762991511,3cyclictest1337303-21aten_repower_cu20:11:071
125876099153,8cyclictest0-21swapper/022:51:120
1258760991513,1cyclictest1260537-21sed19:11:130
1258760991513,1cyclictest0-21swapper/020:50:010
1258760991512,2cyclictest3851702-21mta-sts-daemon21:16:430
1258760991512,2cyclictest1336982-21systemd20:10:000
1258760991512,2cyclictest1330797-21systemd-run20:05:010
1258760991512,2cyclictest1326-21systemd-logind19:55:010
1258760991512,2cyclictest1296-21polkitd21:30:010
1258760991512,1cyclictest0-21swapper/019:10:020
1258760991510,2cyclictest3851705-21mta-sts-daemon23:56:550
383433398140,7rtkit-daemon3851702-21mta-sts-daemon20:15:390
383433398140,7rtkit-daemon3851702-21mta-sts-daemon20:15:390
2649091143,2phc2sys0-21swapper/323:50:183
2649091141,6phc2sys0-21swapper/323:31:053
2649091141,2phc2sys0-21swapper/321:18:113
2649091140,3phc2sys0-21swapper/323:16:073
2649091140,1phc2sys0-21swapper/321:41:513
125876799142,7cyclictest0-21swapper/220:26:082
1258767991412,1cyclictest0-21swapper/221:00:002
1258767991412,1cyclictest0-21swapper/220:55:012
1258767991412,1cyclictest0-21swapper/220:36:182
1258767991412,1cyclictest0-21swapper/220:16:132
1258767991412,1cyclictest0-21swapper/220:16:132
1258767991412,1cyclictest0-21swapper/219:50:022
1258767991412,1cyclictest0-21swapper/200:21:132
1258767991411,1cyclictest0-21swapper/223:31:092
1258767991411,1cyclictest0-21swapper/222:46:112
1258767991411,1cyclictest0-21swapper/221:21:442
1258767991411,1cyclictest0-21swapper/221:16:172
1258767991411,1cyclictest0-21swapper/200:39:372
1258767991411,1cyclictest0-21swapper/200:39:372
125876299149,4cyclictest3834332-21rtkit-daemon20:53:531
125876299144,2cyclictest191rcu_preempt20:31:061
1258762991412,1cyclictest3851704-21mta-sts-daemon20:26:011
1258762991411,2cyclictest3851703-21mta-sts-daemon22:10:171
1258762991411,2cyclictest1411096-21kthreadcore21:06:171
1258762991411,2cyclictest1299567-21aten_repower_po19:41:081
1258762991411,2cyclictest1293914-21idleruntime19:36:101
1258762991410,3cyclictest3851703-21mta-sts-daemon23:54:331
1258762991410,3cyclictest1609102-21aten_repower_po23:21:091
1258762991410,3cyclictest1609102-21aten_repower_po23:21:091
1258762991410,3cyclictest1319381-21irqrtprio19:56:121
125876099148,2cyclictest1286869-21/usr/sbin/munin19:31:090
1258760991412,1cyclictest1394021-21head20:56:060
1258760991412,1cyclictest0-21swapper/021:10:000
1258760991411,2cyclictest3824500-21cron21:05:000
1258760991411,2cyclictest1617844-21kthreadcore23:26:150
1258760991411,2cyclictest1587191-21gltestperf23:06:110
1258760991411,2cyclictest1581872-21kthreadcore23:01:150
1258760991411,2cyclictest1450276-21sh21:35:020
1258760991411,2cyclictest1296051-21tr19:36:130
125876099140,9cyclictest1390096-21grep20:51:120
125876099140,7cyclictest1361945-21latency_hist20:30:000
2649091135,3phc2sys0-21swapper/300:30:013
2649091131,5phc2sys0-21swapper/319:31:063
2649091130,2phc2sys0-21swapper/323:22:183
2649091130,2phc2sys0-21swapper/323:22:183
2649091130,2phc2sys0-21swapper/322:53:433
2649091130,2phc2sys0-21swapper/300:39:163
2649091130,2phc2sys0-21swapper/300:39:163
125876799136,4cyclictest0-21swapper/219:36:062
1258767991311,1cyclictest0-21swapper/223:06:102
1258767991311,1cyclictest0-21swapper/221:40:012
1258767991311,1cyclictest0-21swapper/220:10:452
1258767991311,1cyclictest0-21swapper/219:55:012
1258767991311,1cyclictest0-21swapper/219:20:002
1258767991310,1cyclictest0-21swapper/220:06:102
125876299138,4cyclictest3851702-21mta-sts-daemon20:02:101
1258762991310,2cyclictest1375028-21aten_repower_vo20:41:081
1258762991310,2cyclictest1312644-21fschecks_time19:51:111
125876099135,7cyclictest1671686-21tr00:01:140
125876099134,5cyclictest0-21swapper/019:22:280
1258760991310,2cyclictest1304587-21ptp4l-jitter19:41:180
2649091121,5phc2sys0-21swapper/322:26:083
2649091121,2phc2sys0-21swapper/320:06:133
2649091121,2phc2sys0-21swapper/319:19:083
2649091120,2phc2sys0-21swapper/323:00:483
2649091120,2phc2sys0-21swapper/321:52:583
2649091120,2phc2sys0-21swapper/319:56:073
2649091120,1phc2sys0-21swapper/323:25:373
2649091120,1phc2sys0-21swapper/322:58:523
2649091120,1phc2sys0-21swapper/320:54:343
2649091120,1phc2sys0-21swapper/300:10:223
14726362120,6sleep30-21swapper/321:50:013
1258767991210,1cyclictest0-21swapper/221:51:152
1258767991210,1cyclictest0-21swapper/221:06:152
2649091112,2phc2sys0-21swapper/320:21:083
2649091110,3phc2sys0-21swapper/323:12:173
2649091110,2phc2sys0-21swapper/321:30:343
2649091110,1phc2sys0-21swapper/320:29:583
125876799119,1cyclictest0-21swapper/220:42:252
125876799119,1cyclictest0-21swapper/219:20:302
383433398100,6rtkit-daemon3851702-21mta-sts-daemon19:07:211
2649091101,2phc2sys0-21swapper/322:40:243
2649091101,2phc2sys0-21swapper/322:15:233
2649091101,2phc2sys0-21swapper/320:50:013
2649091101,2phc2sys0-21swapper/300:24:453
2649091100,2phc2sys0-21swapper/323:59:203
2649091100,2phc2sys0-21swapper/323:46:133
2649091100,2phc2sys0-21swapper/323:40:163
2649091100,2phc2sys0-21swapper/321:01:333
2649091100,2phc2sys0-21swapper/320:36:073
2649091100,2phc2sys0-21swapper/319:49:263
2649091100,2phc2sys0-21swapper/319:11:103
2649091100,2phc2sys0-21swapper/300:01:203
2649091100,1phc2sys0-21swapper/300:17:203
264909191,3phc2sys0-21swapper/320:16:063
264909191,3phc2sys0-21swapper/320:16:063
264909191,3phc2sys0-21swapper/319:40:013
264909191,2phc2sys0-21swapper/319:41:133
264909190,4phc2sys1286397-21chrt19:30:013
264909190,2phc2sys0-21swapper/322:10:053
264909190,2phc2sys0-21swapper/321:20:193
264909190,2phc2sys0-21swapper/320:44:553
264909190,2phc2sys0-21swapper/320:01:123
264909190,2phc2sys0-21swapper/319:51:103
264909190,2phc2sys0-21swapper/319:21:093
264909180,2phc2sys0-21swapper/320:55:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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