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2026-06-29 - 07:55
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Mon Jun 29, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13008021620,2sleep30-21swapper/322:05:033
4388521190,2sleep30-21swapper/321:05:033
5127121000,2sleep30-21swapper/321:10:043
3507782790,1sleep0350776-21ssh00:33:170
4095848993431,1cyclictest0-21swapper/221:50:032
4095844993124,2cyclictest67250irq/126-eno122:40:011
4095844992724,2cyclictest263373-21cut23:35:021
4095848992624,1cyclictest0-21swapper/223:05:022
4095844992521,3cyclictest4156330-21kthreadcore20:00:011
4095844992521,3cyclictest4156330-21kthreadcore20:00:011
4095842992522,2cyclictest302376-21kthreadcore00:00:040
12562250,1sleep01265-21kthreadcore20:30:010
4095848992422,1cyclictest0-21swapper/221:30:022
3153791247,2phc2sys0-21swapper/323:42:043
4095844992320,2cyclictest263820-21kthreadcore23:35:041
4095842992320,2cyclictest271165-21/usr/sbin/munin23:40:010
4095842992320,2cyclictest1-21systemd21:00:000
4095848992210,9cyclictest0-21swapper/223:45:002
4095844992219,2cyclictest660-21dbus-daemon22:10:001
4095842992219,2cyclictest361526-21kthreadcore00:40:020
4095842992219,2cyclictest242577-21kthreadcore23:20:020
4095842992219,2cyclictest154213-21kthreadcore22:20:020
4095842992219,2cyclictest1020-21runrttasks22:25:030
4095848992118,1cyclictest0-21swapper/223:30:032
4095848992118,1cyclictest0-21swapper/223:30:032
4095848992118,1cyclictest0-21swapper/220:55:002
4095848992118,1cyclictest0-21swapper/220:45:002
4095848992117,2cyclictest0-21swapper/200:30:012
409584299215,8cyclictest0-21swapper/021:19:550
4095842992118,2cyclictest28920-21sed20:55:010
4095842992118,2cyclictest279709-21kthreadcore23:45:010
4095842992118,2cyclictest262966-21apt-key23:35:010
4095842992118,2cyclictest101307-21kthreadcore21:45:030
4095842992113,7cyclictest765-1atopacctd00:05:060
4095842992113,4cyclictest180695-21aten2.4-expect22:39:540
4095842992110,6cyclictest0-21swapper/021:10:070
1359932210,2sleep20-21swapper/222:09:552
4095844992018,1cyclictest251869-21kthreadcore23:25:031
4095844992017,2cyclictest660-21dbus-daemon21:15:021
4095844992017,2cyclictest347417-21kthreadcore00:30:021
4095844992017,2cyclictest211242-21turbostat23:00:011
4095844992017,2cyclictest191280-21cut22:45:021
4095844992017,2cyclictest0-21swapper/119:20:011
4095842992017,2cyclictest4095832-21cyclictest20:15:010
4095842992017,2cyclictest1-21systemd22:15:010
4095842992013,6cyclictest0-21swapper/021:50:050
2023462200,1sleep10-21swapper/122:53:421
4095848991917,1cyclictest0-21swapper/222:15:022
4095848991917,1cyclictest0-21swapper/219:15:012
4095848991916,1cyclictest0-21swapper/221:40:012
4095848991916,1cyclictest0-21swapper/221:22:232
4095848991916,1cyclictest0-21swapper/200:00:022
4095848991915,2cyclictest0-21swapper/221:55:082
409584499199,3cyclictest100177-21kthreadcore21:45:021
4095844991916,2cyclictest4188766-21kthreadcore20:25:021
4095844991916,2cyclictest200234-21latency22:50:021
4095844991916,2cyclictest152099-21kthreadcore22:20:011
4095844991916,2cyclictest129983-21kthreadcore22:05:021
4095844991916,2cyclictest0-21swapper/123:30:011
4095844991916,2cyclictest0-21swapper/123:30:011
4095844991916,2cyclictest0-21swapper/122:30:011
4095844991916,2cyclictest0-21swapper/119:15:021
4095844991915,3cyclictest4124133-21sh19:35:001
4095844991915,3cyclictest228632-21kthreadcore23:10:021
4095844991915,2cyclictest67250irq/126-eno121:30:021
409584299198,6cyclictest220390-21kthreadcore23:05:020
4095842991916,2cyclictest94488-21kthreadcore21:40:030
4095842991916,2cyclictest4987-21kthreadcore20:35:010
4095842991916,2cyclictest288739-21kthreadcore23:50:030
3153791191,2phc2sys0-21swapper/323:26:413
3153791191,2phc2sys0-21swapper/323:26:413
409584899189,7cyclictest0-21swapper/223:55:012
409584899189,6cyclictest4157527-21taskset20:00:022
409584899189,6cyclictest4157527-21taskset20:00:022
409584899189,1cyclictest0-21swapper/221:45:012
4095848991816,1cyclictest0-21swapper/223:00:032
4095848991816,1cyclictest0-21swapper/221:00:002
4095848991816,1cyclictest0-21swapper/220:15:022
4095848991815,1cyclictest0-21swapper/223:20:012
4095848991815,1cyclictest0-21swapper/221:50:072
4095848991815,1cyclictest0-21swapper/220:50:002
4095848991815,1cyclictest0-21swapper/220:25:012
4095848991814,2cyclictest0-21swapper/200:40:022
4095848991813,2cyclictest0-21swapper/219:20:002
4095844991816,1cyclictest0-21swapper/121:20:021
4095844991815,2cyclictest85271-21wc21:35:011
4095844991815,2cyclictest37521-21sort21:00:021
4095844991815,2cyclictest312110-21mailstats00:05:051
4095844991815,2cyclictest285395-21/usr/sbin/munin23:49:591
4095844991815,2cyclictest233678-21kthreadcore23:15:011
4095844991815,2cyclictest123773-21kthreadcore22:00:031
4095844991815,2cyclictest1020-21runrttasks22:30:081
4095844991815,2cyclictest0-21swapper/121:40:031
409584299189,8cyclictest0-21swapper/023:09:530
4095842991815,2cyclictest77339-21kthreadcore21:30:010
4095842991815,2cyclictest230038-21grep23:10:040
4095842991810,4cyclictest0-21swapper/000:15:010
3153791180,2phc2sys0-21swapper/300:33:583
409584899179,1cyclictest0-21swapper/223:14:562
4095848991715,1cyclictest0-21swapper/222:45:022
4095848991715,1cyclictest0-21swapper/222:30:032
4095848991715,1cyclictest0-21swapper/222:25:022
4095848991715,1cyclictest0-21swapper/221:35:022
4095848991715,1cyclictest0-21swapper/221:10:022
4095848991715,1cyclictest0-21swapper/220:35:012
4095848991715,1cyclictest0-21swapper/219:30:022
4095848991714,1cyclictest0-21swapper/223:25:002
4095848991714,1cyclictest0-21swapper/222:49:552
4095848991714,1cyclictest0-21swapper/222:36:352
4095848991714,1cyclictest0-21swapper/221:05:012
4095848991714,1cyclictest0-21swapper/220:20:022
4095848991714,1cyclictest0-21swapper/200:24:592
4095848991714,1cyclictest0-21swapper/200:20:022
4095844991715,1cyclictest0-21swapper/121:10:011
4095844991714,2cyclictest660-21dbus-daemon22:25:011
4095844991714,2cyclictest4163400-21kthreadcore20:05:021
4095844991714,2cyclictest4151952-21cut19:55:021
4095844991714,2cyclictest4132681-21kthreadcore19:40:011
4095844991714,2cyclictest297823-21sh23:55:121
4095844991714,2cyclictest274-21systemd-journal00:40:011
4095844991714,2cyclictest22669-21kernelversion20:50:001
4095844991714,2cyclictest0-21swapper/119:50:011
4095844991713,3cyclictest39445-21unixbench-2d21:00:081
4095844991713,3cyclictest293314-21kthreadcore23:55:011
4095844991713,3cyclictest275088-21kworker/u16:3+nfsiod00:24:111
4095844991712,3cyclictest144288-21irqcore22:15:001
4095844991712,3cyclictest116719-21grep21:55:021
4095844991711,5cyclictest571-21rpcbind19:27:291
409584299175,6cyclictest0-21swapper/022:04:550
4095842991715,1cyclictest293806-21grep23:55:000
4095842991714,2cyclictest49332-21kthreadcore21:10:020
4095842991714,2cyclictest4148041-21fschecks_time19:54:570
4095842991714,2cyclictest4144241-21munin-run19:50:020
4095842991714,2cyclictest4137143-21kthreadcore19:45:010
4095842991714,2cyclictest4125065-21kthreadcore19:35:020
4095842991714,2cyclictest344609-21gltestperf00:29:580
4095842991714,2cyclictest23398-21kthreadcore20:50:010
4095842991714,2cyclictest0-21swapper/023:25:000
4095842991714,2cyclictest0-21swapper/022:35:010
4095842991713,2cyclictest0-21swapper/020:20:020
4095842991711,5cyclictest135989-21aten_repower_po22:09:550
3153791170,3phc2sys0-21swapper/320:15:083
3153791170,2phc2sys0-21swapper/321:32:543
409584899169,2cyclictest0-21swapper/221:15:012
409584899168,1cyclictest0-21swapper/222:55:012
409584899168,1cyclictest0-21swapper/222:35:012
409584899167,1cyclictest0-21swapper/219:25:012
4095848991614,1cyclictest0-21swapper/223:35:042
4095848991614,1cyclictest0-21swapper/223:10:002
4095848991614,1cyclictest0-21swapper/222:20:022
4095848991614,1cyclictest0-21swapper/220:40:002
4095848991614,1cyclictest0-21swapper/220:30:032
4095848991614,1cyclictest0-21swapper/200:05:032
4095848991613,1cyclictest0-21swapper/219:50:082
4095848991613,1cyclictest0-21swapper/200:15:012
4095844991613,2cyclictest70684-21kthreadcore21:25:021
4095844991613,2cyclictest4174379-21kthreadcore20:15:011
4095844991613,2cyclictest4137030-21kthreadcore19:45:011
4095844991613,2cyclictest4111360-21fschecks_time19:24:571
4095844991613,2cyclictest311112-21kthreadcore00:05:011
4095844991613,2cyclictest281650-21kthreadcore23:45:021
4095844991613,2cyclictest237523-21needreboot23:15:051
4095844991613,2cyclictest1489-21latency20:30:021
4095844991613,2cyclictest0-21swapper/100:15:021
4095844991611,2cyclictest67250irq/126-eno100:33:451
409584299169,6cyclictest0-21swapper/023:00:020
409584299169,2cyclictest492398rtkit-daemon21:59:070
409584299168,3cyclictest65284-21cut21:20:040
409584299167,5cyclictest0-21swapper/021:50:000
4095842991614,1cyclictest198817-21latency_hist22:50:010
4095842991613,2cyclictest85669-21kthreadcore21:35:010
4095842991613,2cyclictest4189084-21kthreadcore20:25:030
4095842991613,2cyclictest4166390-21cpuspeed_turbos20:09:570
4095842991613,2cyclictest4160392-21gltestperf20:04:580
4095842991613,2cyclictest4120697-21kthreadcore19:30:020
4095842991613,2cyclictest4095832-21cyclictest20:45:000
4095842991613,2cyclictest326956-21pmu-power00:15:060
4095842991613,2cyclictest164122-21unixbench_singl22:25:100
4095842991613,2cyclictest1-21systemd19:23:560
4095842991613,2cyclictest0-21swapper/020:00:010
4095842991613,2cyclictest0-21swapper/020:00:010
4095842991612,2cyclictest340870-21kthreadcore00:25:030
4095842991611,1cyclictest492398rtkit-daemon23:27:100
4095842991611,1cyclictest492398rtkit-daemon23:27:100
4095842991610,5cyclictest190029-21kthreadcore22:45:010
4095842991610,1cyclictest601rcuop/322:54:530
3153791160,2phc2sys0-21swapper/300:39:183
4095848991513,1cyclictest0-21swapper/220:10:032
4095848991513,1cyclictest0-21swapper/219:40:022
4095848991512,2cyclictest0-21swapper/219:35:022
4095848991512,1cyclictest0-21swapper/220:01:142
4095848991511,2cyclictest0-21swapper/219:44:392
409584899150,3cyclictest0-21swapper/200:10:012
4095844991512,2cyclictest4181117-21kthreadcore20:20:021
4095844991512,2cyclictest1237-21mta-sts-daemon20:45:011
4095844991512,2cyclictest106051-21cstates21:49:551
4095844991512,2cyclictest1020-21runrttasks00:15:551
4095844991511,3cyclictest4166384-21cpuspeed_turbos20:09:571
4095844991510,4cyclictest728-21wpa_supplicant20:34:471
409584299151,8cyclictest9340-21apt-get20:39:520
4095842991512,2cyclictest738-21gdbus19:35:070
4095842991512,2cyclictest4102734-21kthreadcore19:15:020
4095842991512,2cyclictest4095857-21kthreadcore19:10:010
3153791150,2phc2sys0-21swapper/322:59:573
3153791150,2phc2sys0-21swapper/300:05:083
41657912140,3sleep30-21swapper/320:06:213
4095848991412,1cyclictest0-21swapper/223:49:592
4095848991412,1cyclictest0-21swapper/223:32:132
4095848991412,1cyclictest0-21swapper/219:10:012
4095848991411,2cyclictest0-21swapper/221:15:082
4095844991411,2cyclictest7378-21kthreadcore20:35:031
4095844991411,2cyclictest27776-21cpuspeed_turbos20:54:561
4095844991411,2cyclictest215852-21unixbench-2d23:00:101
409584299148,5cyclictest275088-21kworker/u16:3-rpciod00:04:200
4095842991411,2cyclictest38376-21kthreadcore21:00:030
3153791142,2phc2sys0-21swapper/320:59:563
3153791140,4phc2sys0-21swapper/322:19:443
3153791140,3phc2sys0-21swapper/321:19:553
3153791140,2phc2sys0-21swapper/323:49:303
3153791140,2phc2sys0-21swapper/323:32:463
3153791140,2phc2sys0-21swapper/321:22:143
3153791140,1phc2sys0-21swapper/319:59:323
3153791140,1phc2sys0-21swapper/319:59:323
4095848991311,1cyclictest0-21swapper/222:00:072
4095848991311,1cyclictest0-21swapper/219:49:562
4095848991311,1cyclictest0-21swapper/200:30:042
4095842991310,2cyclictest1246-21mta-sts-daemon19:17:060
3153791132,2phc2sys0-21swapper/323:15:033
3153791130,5phc2sys0-21swapper/322:10:033
3153791130,4phc2sys0-21swapper/323:36:483
3153791130,4phc2sys0-21swapper/323:16:323
3153791130,3phc2sys0-21swapper/323:03:433
3153791130,2phc2sys0-21swapper/323:52:103
409584499123,6cyclictest501rcuop/219:10:021
3153791120,3phc2sys0-21swapper/321:29:563
3153791120,3phc2sys0-21swapper/320:50:023
3153791120,2phc2sys0-21swapper/322:41:273
3153791120,2phc2sys0-21swapper/321:49:533
3153791120,2phc2sys0-21swapper/320:10:453
3153791120,1phc2sys0-21swapper/319:49:343
3153791120,1phc2sys0-21swapper/319:32:473
1350082120,4sleep30-21swapper/322:07:283
41907182113,4sleep30-21swapper/320:29:533
3153791115,2phc2sys0-21swapper/300:16:453
3153791111,5phc2sys0-21swapper/320:39:533
3153791111,4phc2sys0-21swapper/319:09:533
3153791111,2phc2sys0-21swapper/322:25:003
3153791111,2phc2sys0-21swapper/320:04:533
3153791110,2phc2sys0-21swapper/322:31:413
3153791110,2phc2sys0-21swapper/321:55:023
3153791110,2phc2sys0-21swapper/320:44:533
3153791110,2phc2sys0-21swapper/319:23:013
3153791110,2phc2sys0-21swapper/300:13:463
3153791110,1phc2sys0-21swapper/323:08:413
3153791110,1phc2sys0-21swapper/321:35:333
1793202110,2sleep30-21swapper/322:36:063
3153791101,2phc2sys0-21swapper/323:24:003
3153791101,2phc2sys0-21swapper/321:42:403
3153791101,2phc2sys0-21swapper/320:20:053
3153791101,2phc2sys0-21swapper/319:39:563
3153791100,3phc2sys0-21swapper/319:14:553
3153791100,3phc2sys0-21swapper/300:20:143
3153791100,2phc2sys0-21swapper/322:52:413
3153791100,2phc2sys0-21swapper/322:47:523
3153791100,2phc2sys0-21swapper/322:30:013
3153791100,2phc2sys0-21swapper/321:57:593
3153791100,2phc2sys0-21swapper/320:31:273
3153791100,2phc2sys0-21swapper/319:25:063
3153791100,2phc2sys0-21swapper/319:16:163
3153791100,2phc2sys0-21swapper/300:25:123
3153791100,2phc2sys0-21swapper/300:00:233
315379191,4phc2sys0-21swapper/319:54:533
315379190,2phc2sys0-21swapper/323:56:273
315379190,2phc2sys0-21swapper/321:01:443
315379190,2phc2sys0-21swapper/320:54:553
315379190,2phc2sys0-21swapper/319:44:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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