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2026-08-27 - 00:39
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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 Wed Aug 26, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
181525322470,2sleep30-21swapper/309:50:023
175379121070,2sleep30-21swapper/309:15:023
19493392340,1sleep10-21swapper/111:07:131
17966032340,2sleep30-21swapper/309:39:593
157918099240,2cyclictest1724188-21dump-pmu-power08:55:010
1579180992213,5cyclictest2099870-21runrttasks12:34:030
1579180992114,6cyclictest1579178-21cyclictest11:29:530
1579182992017,1cyclictest0-21swapper/211:53:092
1579182992017,1cyclictest0-21swapper/210:20:092
1579181992012,3cyclictest935-21wpa_supplicant07:30:021
1579180992016,2cyclictest777-21avahi-daemon08:05:030
157918099201,14cyclictest1827189-21aten_repower_po09:59:460
1579181991912,3cyclictest1802003-21kthreadcore09:44:591
1579180991917,1cyclictest2108999-21ssh12:39:350
1579180991913,1cyclictest1885404-21ssh10:30:000
1579180991912,6cyclictest2016985-21kthreadcore11:45:000
1579180991912,6cyclictest1933187-21cpuspeed10:59:540
157918099191,1cyclictest2056094-21apt-get12:09:350
2213291180,3phc2sys0-21swapper/311:58:343
157918199188,5cyclictest0-21swapper/110:34:011
1579181991814,3cyclictest1780099-21wc09:30:011
1579181991813,4cyclictest1789202-21ptp4l09:35:031
1579181991811,5cyclictest1654612-21tr08:04:591
1579181991811,3cyclictest1917651-21kthreadcore10:49:581
157918099186,7cyclictest0-21swapper/010:34:360
1579180991815,2cyclictest1188-21runrttasks10:06:460
1579180991814,2cyclictest1983013-21grep11:25:030
1579180991813,3cyclictest1608400-21latency_hist07:30:010
1579180991812,5cyclictest1579178-21cyclictest09:14:550
1579180991810,7cyclictest0-21swapper/009:55:000
2213291170,4phc2sys0-21swapper/307:19:353
2213291170,3phc2sys0-21swapper/311:04:363
2213291170,2phc2sys0-21swapper/312:32:513
2213291170,2phc2sys0-21swapper/311:20:263
2213291170,2phc2sys0-21swapper/307:34:533
157918299171,8cyclictest17654042sleep209:24:362
1579182991713,2cyclictest0-21swapper/211:00:012
157918299171,12cyclictest0-21swapper/209:59:352
1579181991714,2cyclictest1997621-21kthreadcore11:35:001
1579181991714,2cyclictest1745056-21sh09:10:011
1579181991713,3cyclictest2062095-21pmu-power12:10:021
1579181991713,3cyclictest1683507-21processes08:25:011
1579181991713,3cyclictest1667392-21kthreadcore08:14:581
1579181991711,5cyclictest1705955-21grep08:44:551
1579181991711,4cyclictest2036010-21switchtime11:55:031
1579181991711,2cyclictest82050irq/121-eno110:20:021
157918099179,2cyclictest1615675-21munin-run07:35:030
157918099177,8cyclictest376-21systemd-journal12:30:040
1579180991713,3cyclictest1623473-21cpuspeed_turbos07:44:530
157918099170,9cyclictest1766375-21if_err_eno109:24:560
157918099170,16cyclictest0-21swapper/011:33:470
2213291160,3phc2sys0-21swapper/311:13:183
2213291160,2phc2sys0-21swapper/312:27:093
2213291160,2phc2sys0-21swapper/307:50:023
2213291160,2phc2sys0-21swapper/307:14:563
1579182991614,1cyclictest0-21swapper/210:10:032
1579182991613,1cyclictest0-21swapper/212:13:512
1579182991613,1cyclictest0-21swapper/211:16:542
1579182991613,1cyclictest0-21swapper/209:04:092
1579182991612,1cyclictest0-21swapper/212:05:092
157918199169,3cyclictest2017543-21kthreadcore11:45:001
157918199164,7cyclictest1876363-21cut10:25:001
157918199161,6cyclictest1819052-21tail09:54:561
157918199161,4cyclictest0-21swapper/112:05:021
1579181991613,2cyclictest24472-21rtkit-daemon11:27:501
1579181991612,3cyclictest1689964-21latency08:29:591
1579181991612,3cyclictest1683488-21kworker/u16:0+nfsiod11:14:181
157918199160,9cyclictest1676785-21908:20:021
157918099169,3cyclictest2032176-21ssh11:54:570
157918099169,2cyclictest0-21swapper/010:20:050
157918099167,2cyclictest0-21swapper/009:30:000
157918099164,7cyclictest1912844-21cat10:45:080
157918099164,7cyclictest0-21swapper/009:34:430
157918099164,7cyclictest0-21swapper/009:34:430
1579180991613,2cyclictest778-21dbus-daemon08:40:010
1579180991613,2cyclictest2077739-21kthreadcore12:20:000
1579180991613,2cyclictest1595912-21aten_repower_en07:24:390
1579180991612,3cyclictest2039676-21irqcore11:59:550
1579180991612,3cyclictest1744918-21kworker/u16:3+nfsiod11:11:440
1579180991612,3cyclictest1630261-21cpuspeed_turbos07:49:520
1579180991611,4cyclictest1579178-21cyclictest09:19:460
1579180991611,1cyclictest2020605-21ssh11:49:050
2213291150,4phc2sys0-21swapper/309:56:363
2213291150,2phc2sys0-21swapper/312:21:563
2213291150,2phc2sys0-21swapper/312:13:073
2213291150,2phc2sys0-21swapper/310:56:293
2213291150,2phc2sys0-21swapper/310:43:023
2213291150,1phc2sys0-21swapper/311:40:553
1579182991513,1cyclictest0-21swapper/212:25:052
1579182991513,1cyclictest0-21swapper/212:04:572
1579182991513,1cyclictest0-21swapper/211:40:232
1579182991512,2cyclictest0-21swapper/208:25:022
1579182991512,1cyclictest0-21swapper/211:35:042
1579182991512,1cyclictest0-21swapper/211:00:042
1579182991512,1cyclictest0-21swapper/210:04:582
1579182991512,1cyclictest0-21swapper/209:29:472
1579182991511,2cyclictest0-21swapper/209:54:092
157918199156,4cyclictest0-21swapper/112:14:421
157918199155,3cyclictest0-21swapper/109:59:351
1579181991512,2cyclictest797-21polkitd11:45:071
1579181991512,2cyclictest778-21dbus-daemon08:00:021
1579181991512,2cyclictest24472-21rtkit-daemon10:52:091
1579181991512,2cyclictest2003687-21tr11:39:531
1579181991512,2cyclictest1811523-21kthreadcore09:49:571
1579181991512,2cyclictest1728596-21kthreadcore08:59:591
1579181991512,2cyclictest1701605-21kthreadcore08:39:581
1579181991512,2cyclictest1-21systemd10:45:011
1579181991511,3cyclictest2104876-21kthreadcore12:34:591
1579181991511,3cyclictest1942987-21irqrtprio11:04:571
1579181991511,3cyclictest1902108-21kthreadcore10:39:571
1579181991511,3cyclictest1854559-21irqcore10:14:561
1579181991511,3cyclictest1840160-21kthreadcore10:05:001
1579181991511,3cyclictest1751938-21kthreadcore09:14:591
1579181991511,3cyclictest1744918-21kworker/u16:3+nfsiod10:06:111
1579181991511,3cyclictest1683488-21kworker/u16:0+nfsiod09:24:121
1579181991511,3cyclictest1658387-21irqcore08:09:571
1579181991511,3cyclictest1633010-21kthreadcore07:49:591
1579181991511,3cyclictest1624275-21irqcore07:44:561
1579181991511,3cyclictest1590164-21irqrtprio07:19:561
1579181991511,3cyclictest1584818-21kthreadcore07:14:591
157918099158,4cyclictest2045320-21runrttasks12:00:230
157918099157,2cyclictest0-21swapper/010:54:400
157918099156,4cyclictest0-21swapper/011:04:360
157918099156,2cyclictest0-21swapper/009:44:080
157918099155,7cyclictest0-21swapper/008:25:030
157918099153,7cyclictest0-21swapper/011:35:380
157918099153,7cyclictest0-21swapper/010:44:380
157918099151,8cyclictest1739243-21apt-get09:09:350
157918099151,8cyclictest1657285-21apt-get08:09:360
1579180991512,2cyclictest24616-21JS14:54:060
1579180991512,2cyclictest1676680-21proc_pri08:20:010
1579180991512,2cyclictest1591414-21kthreadcore07:19:570
1579180991511,3cyclictest2010958-21kworker/u16:1+nfsiod12:14:320
1579180991511,3cyclictest1900673-21kthreadcore10:39:570
1579180991511,3cyclictest1795055-21kthreadcore09:39:580
1579180991511,3cyclictest1728596-21kthreadcore08:59:590
1579180991511,3cyclictest1669403-21kthreadcore08:14:590
2213291141,6phc2sys0-21swapper/312:04:353
2213291141,3phc2sys0-21swapper/310:39:343
2213291140,4phc2sys0-21swapper/310:00:413
2213291140,3phc2sys0-21swapper/308:02:133
2213291140,2phc2sys0-21swapper/311:25:083
2213291140,2phc2sys0-21swapper/310:20:053
2213291140,2phc2sys0-21swapper/309:09:583
157918299145,5cyclictest0-21swapper/207:29:352
157918299141,9cyclictest0-21swapper/210:14:342
1579182991412,1cyclictest0-21swapper/212:00:032
1579182991412,1cyclictest0-21swapper/210:55:012
1579182991412,1cyclictest0-21swapper/209:49:422
1579182991412,1cyclictest0-21swapper/208:30:022
1579182991412,1cyclictest0-21swapper/207:49:592
1579182991411,1cyclictest0-21swapper/212:18:362
1579182991411,1cyclictest0-21swapper/210:44:552
1579182991411,1cyclictest0-21swapper/209:19:092
1579182991411,1cyclictest0-21swapper/208:04:352
1579182991410,3cyclictest0-21swapper/209:39:092
157918199148,4cyclictest1721296-21tr08:54:591
157918199148,2cyclictest82050irq/121-eno111:19:591
157918199148,2cyclictest82050irq/121-eno110:56:471
157918199145,8cyclictest1981014-1grep11:24:581
1579181991411,2cyclictest2078653-21sh12:20:011
1579181991411,2cyclictest1637904-21irqcore07:54:561
1579181991411,2cyclictest1-21systemd09:35:011
1579181991411,2cyclictest1-21systemd09:35:011
1579181991410,3cyclictest2110551-21kthreadcore12:39:571
1579181991410,3cyclictest2086512-21kthreadcore12:24:571
1579181991410,3cyclictest2040876-21kthreadcore11:59:571
1579181991410,3cyclictest1884814-21kthreadcore10:29:591
1579181991410,3cyclictest1761155-21kthreadcore09:19:591
1579181991410,3cyclictest1618905-21kthreadcore07:39:581
1579181991410,3cyclictest1611707-21kthreadcore07:34:571
157918199140,5cyclictest1733869-21tr09:04:571
157918099147,6cyclictest24615-21JS14:54:060
157918099144,2cyclictest0-21swapper/011:09:570
157918099143,3cyclictest0-21swapper/007:14:500
1579180991411,2cyclictest1859228-21tail10:15:010
1579180991411,2cyclictest1706371-21kthreadcore08:44:570
1579180991411,2cyclictest1696122-21kthreadcore08:35:000
1579180991411,2cyclictest1649216-21cat08:00:000
1579180991410,3cyclictest1851304-21kworker/u16:1+nfsiod10:17:360
1579180991410,3cyclictest1839154-21kthreadcore10:04:590
1579180991410,3cyclictest1717599-21kworker/u16:2+nfsiod09:45:490
1579180991410,3cyclictest1689371-21kthreadcore08:29:580
2213291131,5phc2sys0-21swapper/309:24:363
2213291131,4phc2sys0-21swapper/310:49:363
2213291130,4phc2sys0-21swapper/310:19:353
2213291130,3phc2sys0-21swapper/312:07:553
2213291130,2phc2sys0-21swapper/312:35:193
2213291130,2phc2sys0-21swapper/309:42:433
157918299139,3cyclictest0-21swapper/208:40:032
157918299139,2cyclictest0-21swapper/211:28:182
1579182991311,1cyclictest0-21swapper/212:35:042
1579182991311,1cyclictest0-21swapper/211:10:022
1579182991311,1cyclictest0-21swapper/210:39:532
1579182991311,1cyclictest0-21swapper/210:34:542
1579182991311,1cyclictest0-21swapper/210:29:572
1579182991311,1cyclictest0-21swapper/210:15:042
1579182991311,1cyclictest0-21swapper/209:35:032
1579182991311,1cyclictest0-21swapper/209:35:032
1579182991311,1cyclictest0-21swapper/207:40:022
1579182991311,1cyclictest0-21swapper/207:25:012
1579182991310,2cyclictest0-21swapper/208:44:572
1579182991310,1cyclictest0-21swapper/212:22:152
1579182991310,1cyclictest0-21swapper/211:15:012
1579182991310,1cyclictest0-21swapper/210:45:072
1579182991310,1cyclictest0-21swapper/208:54:542
1579182991310,1cyclictest0-21swapper/207:34:562
1579182991310,1cyclictest0-21swapper/207:19:542
157918199139,3cyclictest1713248-21kthreadcore08:49:581
1579181991310,2cyclictest2092439-21irqcore12:29:551
1579181991310,2cyclictest1691702-21cpuspeed_turbos08:34:541
1579181991310,2cyclictest1596031-21aten_repower_vo07:24:481
157918099131,7cyclictest0-21swapper/012:21:320
157918099131,7cyclictest0-21swapper/011:15:090
1579180991310,2cyclictest1733394-21irqcore09:04:560
157918099130,12cyclictest0-21swapper/008:48:250
2213291124,2phc2sys0-21swapper/308:59:573
2213291122,2phc2sys0-21swapper/308:44:533
2213291121,2phc2sys0-21swapper/307:40:003
2213291120,4phc2sys0-21swapper/308:39:353
2213291120,3phc2sys0-21swapper/311:06:023
2213291120,2phc2sys0-21swapper/311:30:133
2213291120,2phc2sys0-21swapper/310:13:533
2213291120,2phc2sys0-21swapper/309:53:063
2213291120,2phc2sys0-21swapper/309:17:373
2213291120,2phc2sys0-21swapper/309:03:403
157918299129,1cyclictest0-21swapper/212:34:522
157918299128,2cyclictest18000712sleep209:43:392
157918299128,2cyclictest0-21swapper/211:33:562
157918299127,3cyclictest16364562sleep207:50:122
157918299121,7cyclictest0-21swapper/208:14:362
157918299121,6cyclictest17471652sleep209:13:132
1579182991210,1cyclictest0-21swapper/211:45:052
1579182991210,1cyclictest0-21swapper/211:20:042
1579182991210,1cyclictest0-21swapper/209:10:032
1579182991210,1cyclictest0-21swapper/209:00:022
1579182991210,1cyclictest0-21swapper/208:46:382
1579182991210,1cyclictest0-21swapper/208:35:022
1579182991210,1cyclictest0-21swapper/208:19:522
1579182991210,1cyclictest0-21swapper/208:10:022
1579182991210,1cyclictest0-21swapper/207:59:562
1579182991210,1cyclictest0-21swapper/207:44:592
1579182991210,1cyclictest0-21swapper/207:14:582
1579182991210,1cyclictest0-21swapper/207:10:032
157918199126,5cyclictest778-21dbus-daemon07:10:021
157918099120,4cyclictest1573427-21/usr/sbin/munin07:10:020
2213291115,2phc2sys0-21swapper/311:37:183
2213291110,3phc2sys0-21swapper/308:49:583
2213291110,2phc2sys0-21swapper/311:54:343
2213291110,2phc2sys0-21swapper/308:09:563
2213291102,2phc2sys0-21swapper/309:34:553
2213291102,2phc2sys0-21swapper/309:34:553
2213291101,2phc2sys0-21swapper/310:26:123
2213291101,2phc2sys0-21swapper/308:15:033
2213291100,5phc2sys0-21swapper/308:29:353
2213291100,4phc2sys0-21swapper/307:44:363
2213291100,2phc2sys0-21swapper/312:15:033
2213291100,2phc2sys0-21swapper/311:48:093
2213291100,2phc2sys0-21swapper/311:17:023
2213291100,2phc2sys0-21swapper/310:54:563
2213291100,2phc2sys0-21swapper/310:35:013
2213291100,2phc2sys0-21swapper/310:08:553
2213291100,2phc2sys0-21swapper/309:26:303
2213291100,2phc2sys0-21swapper/308:24:533
2213291100,2phc2sys0-21swapper/307:50:343
2213291100,2phc2sys0-21swapper/307:25:053
2213291100,1phc2sys0-21swapper/307:56:203
221329190,2phc2sys0-21swapper/308:54:553
221329190,2phc2sys0-21swapper/308:34:563
221329190,2phc2sys0-21swapper/308:19:363
221329190,2phc2sys0-21swapper/307:22:563
221329190,2phc2sys0-21swapper/307:05:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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