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2026-01-09 - 04:27
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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 Jan 09, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
109206521110,1sleep00-21swapper/022:38:090
84835221040,2sleep1848351-21wc20:00:001
8494472680,2sleep20-21swapper/220:03:012
8670392410,2sleep0867041-21aten_repower_cu20:18:020
785530992814,9cyclictest0-21swapper/021:48:140
785531992613,4cyclictest36-21ksoftirqd/121:23:101
785530992512,12cyclictest1251513-21kthreadcore00:08:070
2902298250,7rtkit-daemon1288-1atopacctd23:12:120
785530992418,5cyclictest927656-21perf21:05:000
78553099239,2cyclictest257-21systemd-journal20:20:320
78553099235,5cyclictest0-21swapper/021:58:130
785531992216,2cyclictest134050irq/121-eno100:05:011
785531992210,2cyclictest134050irq/121-eno121:43:061
78553099221,6cyclictest1-21systemd22:50:010
78553099220,9cyclictest860449-21latency_hist20:10:000
785532992118,1cyclictest0-21swapper/220:25:012
785531992117,3cyclictest0-21swapper/100:00:011
78553099218,2cyclictest0-21swapper/000:38:000
78553099216,9cyclictest0-21swapper/019:26:570
785530992116,4cyclictest1149174-21sh23:10:010
785530992115,5cyclictest257-21systemd-journal19:15:010
785530992115,5cyclictest171ktimers/000:14:240
785530992115,5cyclictest1085898-21runrttasks22:35:000
78553099211,3cyclictest1125119-21cut22:58:070
785530992111,9cyclictest1063105-21kthreadcore22:23:070
785530992111,9cyclictest1034478-21tail22:08:020
785530992111,8cyclictest996315-21latency_hist21:45:000
785530992110,10cyclictest955380-21kthreadcore21:23:080
785530992110,10cyclictest1133381-21tail23:03:010
2649091211,6phc2sys0-21swapper/322:18:023
785531992017,2cyclictest999769-21irqrtprio21:48:081
785531992017,2cyclictest1286-21avahi-daemon23:45:011
785531992017,2cyclictest1286-21avahi-daemon23:45:011
78553099205,6cyclictest0-21swapper/021:53:020
78553099205,5cyclictest1193849-21munin-run23:35:020
78553099204,7cyclictest897189-21latency_hist20:40:020
785530992014,5cyclictest1197287-21kthreadcore23:38:080
785530992011,8cyclictest935953-21ssh21:12:590
785530992010,8cyclictest1099576-21kthreadcore22:43:080
78553099200,5cyclictest12799181kthreadcore00:23:070
78553099200,1cyclictest0-21swapper/021:38:070
78553099200,19cyclictest0-21swapper/021:30:080
2649091201,2phc2sys0-21swapper/300:16:573
2649091200,5phc2sys0-21swapper/320:33:013
785532991917,1cyclictest0-21swapper/223:00:032
785532991916,1cyclictest0-21swapper/200:08:042
78553199198,2cyclictest134050irq/121-eno122:50:011
785531991916,2cyclictest1068207-21munin-plugin-st22:25:021
78553099199,9cyclictest1232066-21aten2.4-expect23:58:020
78553099197,3cyclictest785529-21cyclictest22:52:560
78553099197,2cyclictest0-21swapper/022:00:430
785530991913,5cyclictest862269-21kernelversion20:13:070
785530991913,5cyclictest785529-21cyclictest19:53:100
785530991913,5cyclictest1326-21systemd-logind19:45:010
785530991913,5cyclictest1059206-21latency_hist22:20:010
785530991912,5cyclictest818200-21munin-plugin-st19:35:000
785530991910,8cyclictest0-21swapper/020:55:010
785530991910,7cyclictest1287197-21irqrtprio00:28:070
2649091190,3phc2sys0-21swapper/323:10:473
2649091190,2phc2sys0-21swapper/323:59:053
785532991816,1cyclictest0-21swapper/221:50:012
78553199189,3cyclictest0-21swapper/122:53:051
78553199183,6cyclictest17350irq/127-ahci[0000:00:17.0]22:30:011
785531991815,2cyclictest967560-21kthreadcore21:28:091
785531991815,2cyclictest879112-21/usr/sbin/munin20:25:011
785531991815,2cyclictest816336-21kthreadcore19:33:071
785531991815,2cyclictest805816-21cron19:25:001
785531991815,2cyclictest0-21swapper/100:15:011
785531991814,3cyclictest906544-21kthreadcore20:48:091
785531991812,5cyclictest883760-21kthreadcore20:28:081
785531991811,5cyclictest1-21systemd00:10:011
78553099185,5cyclictest0-21swapper/023:18:080
78553099185,5cyclictest0-21swapper/000:33:100
78553099184,6cyclictest556554-21kworker/u16:0+xprtiod21:17:260
78553099184,6cyclictest1203862-21kworker/u16:3+xprtiod00:17:130
78553099182,7cyclictest67-21khungtaskd19:48:010
78553099181,9cyclictest802837-21cut19:23:070
78553099181,9cyclictest1216726-21kthreadcore23:48:080
785530991813,4cyclictest0-21swapper/021:00:010
785530991813,4cyclictest0-21swapper/020:30:010
785530991812,5cyclictest794559-21cpuspeed_turbos19:18:040
785530991812,5cyclictest1-21systemd23:51:450
785530991812,5cyclictest1203862-21kworker/u16:3-events_power_efficient23:45:000
785530991812,5cyclictest1203862-21kworker/u16:3-events_power_efficient23:45:000
785530991812,5cyclictest1175830-21latency_hist23:25:010
785530991811,6cyclictest1203862-21kworker/u16:3+nfsiod00:02:230
785530991811,6cyclictest1014491-21kworker/u16:1+nfsiod23:28:480
785530991811,5cyclictest1296-21polkitd22:30:000
785530991811,5cyclictest1047293-21kthreadcore22:13:090
785530991810,6cyclictest556554-21kworker/u16:0-rpciod21:27:430
78553099180,16cyclictest848346-21awk20:00:000
2649191180,1ptp4l0-21swapper/320:03:003
2649091180,2phc2sys0-21swapper/322:09:363
785532991714,1cyclictest0-21swapper/223:35:012
785532991714,1cyclictest0-21swapper/219:35:012
78553199179,2cyclictest0-21swapper/122:38:081
78553199178,5cyclictest1188365-21kernelversion23:33:071
78553199177,2cyclictest134050irq/121-eno122:58:071
78553199171,5cyclictest0-21swapper/122:18:021
785531991714,2cyclictest839603-21kthreadcore19:53:091
785531991714,2cyclictest1099903-21kthreadcore22:43:081
785531991714,2cyclictest0-21swapper/123:25:021
785531991713,3cyclictest787297-21kthreadcore19:13:071
78553099173,4cyclictest903813-21aten_repower_cu20:48:020
78553099171,7cyclictest0-21swapper/019:38:020
785530991711,5cyclictest886331-21gltestperf20:33:060
785530991711,5cyclictest848927-21aten_repower_cu20:02:590
785530991710,5cyclictest0-21swapper/020:45:000
2649091170,3phc2sys0-21swapper/323:22:053
2649091170,2phc2sys0-21swapper/322:38:373
2649091170,2phc2sys0-21swapper/321:32:293
2649091170,1phc2sys0-21swapper/322:26:153
785532991614,1cyclictest0-21swapper/200:05:022
785532991613,1cyclictest0-21swapper/223:58:132
785532991613,1cyclictest0-21swapper/223:23:052
78553199168,3cyclictest0-21swapper/123:53:021
78553199167,2cyclictest134050irq/121-eno121:58:031
78553199165,7cyclictest1268111-21/usr/sbin/munin00:18:031
785531991613,2cyclictest912570-21kthreadcore20:53:091
785531991613,2cyclictest351ktimers/121:53:231
785531991613,2cyclictest1288-1atopacctd21:32:431
785531991613,2cyclictest1288-1atopacctd20:45:001
785531991613,2cyclictest1183101-21mailstats23:28:131
785531991613,2cyclictest1166885-21idleruntime-cro23:20:001
785531991613,2cyclictest1134697-21kthreadcore23:03:071
785531991613,2cyclictest0-21swapper/123:50:011
785531991613,2cyclictest0-21swapper/121:40:001
785531991612,3cyclictest1286-21avahi-daemon21:00:001
785531991610,3cyclictest933683-21diskmemload00:39:521
785530991610,5cyclictest930332-21kthreadcore21:08:080
2649091161,2phc2sys0-21swapper/323:09:553
2649091160,4phc2sys0-21swapper/320:13:103
2649091160,4phc2sys0-21swapper/300:31:243
2649091160,3phc2sys0-21swapper/322:01:343
2649091160,2phc2sys0-21swapper/323:48:553
2649091160,2phc2sys0-21swapper/322:47:153
2649091160,2phc2sys0-21swapper/322:10:043
2649091160,2phc2sys0-21swapper/321:35:383
785532991513,1cyclictest0-21swapper/200:33:062
785532991513,1cyclictest0-21swapper/200:23:072
785532991512,1cyclictest0-21swapper/223:28:132
785532991512,1cyclictest0-21swapper/223:20:002
785532991512,1cyclictest0-21swapper/223:15:002
785532991512,1cyclictest0-21swapper/220:45:002
785532991512,1cyclictest0-21swapper/220:35:012
785532991511,2cyclictest0-21swapper/222:03:072
785532991511,2cyclictest0-21swapper/200:13:112
78553199153,3cyclictest1294990-21aten_repower_fr00:33:021
785531991512,2cyclictest947694-21kthreadcore21:18:081
785531991512,2cyclictest927889-21systemd-run21:05:021
785531991512,2cyclictest897189-21latency_hist20:40:011
785531991512,2cyclictest886960-21kthreadcore20:33:091
785531991512,2cyclictest852222-21kthreadcore20:03:061
785531991512,2cyclictest1158102-21wc23:15:021
785531991512,2cyclictest0-21swapper/121:15:011
785531991511,3cyclictest863530-21kthreadcore20:13:071
785531991511,3cyclictest822863-21kthreadcore19:38:091
785531991511,3cyclictest1288-1atopacctd19:18:121
785531991511,3cyclictest1047865-21kthreadcore22:13:101
785531991511,1cyclictest134050irq/121-eno123:05:591
78553199150,6cyclictest1289356-21tr00:28:081
78553199150,6cyclictest1083841-21cut22:33:101
785530991510,4cyclictest785534-21systemd-run19:10:010
2649091153,2phc2sys0-21swapper/300:07:593
2649091150,3phc2sys0-21swapper/322:57:243
2649091150,3phc2sys0-21swapper/321:42:463
2649091150,1phc2sys0-21swapper/319:56:073
78553299142,2cyclictest0-21swapper/223:48:262
78553299141,7cyclictest0-21swapper/200:30:012
785532991412,1cyclictest0-21swapper/200:20:002
785532991411,1cyclictest0-21swapper/223:53:092
785532991411,1cyclictest0-21swapper/223:43:012
785532991411,1cyclictest0-21swapper/223:43:012
785532991411,1cyclictest0-21swapper/223:07:132
785532991411,1cyclictest0-21swapper/222:53:062
785532991411,1cyclictest0-21swapper/222:43:582
785532991411,1cyclictest0-21swapper/222:33:082
785532991411,1cyclictest0-21swapper/222:28:092
785532991411,1cyclictest0-21swapper/222:23:152
785532991411,1cyclictest0-21swapper/222:18:032
785532991411,1cyclictest0-21swapper/222:08:052
785532991411,1cyclictest0-21swapper/221:58:042
785532991411,1cyclictest0-21swapper/221:53:102
785532991411,1cyclictest0-21swapper/221:43:082
785532991411,1cyclictest0-21swapper/221:33:082
785532991411,1cyclictest0-21swapper/221:30:002
785532991411,1cyclictest0-21swapper/221:23:092
785532991411,1cyclictest0-21swapper/221:10:422
785532991411,1cyclictest0-21swapper/221:08:142
785532991411,1cyclictest0-21swapper/220:08:032
785532991411,1cyclictest0-21swapper/219:50:012
785532991411,1cyclictest0-21swapper/219:35:262
785532991411,1cyclictest0-21swapper/219:20:002
785532991411,1cyclictest0-21swapper/200:38:462
78553199143,2cyclictest134050irq/121-eno122:06:241
78553199142,4cyclictest36-21ksoftirqd/122:01:361
785531991411,2cyclictest832269-21kthreadcore19:48:081
785531991411,2cyclictest826034-21kernelversion19:43:071
785531991411,2cyclictest1290-21dbus-daemon21:10:011
785531991411,2cyclictest1196536-21fschecks_count23:38:051
785531991410,3cyclictest809399-21kthreadcore19:28:091
2649091145,2phc2sys0-21swapper/320:48:043
2649091141,2phc2sys0-21swapper/320:38:043
2649091140,4phc2sys0-21swapper/323:00:053
2649091140,4phc2sys0-21swapper/321:50:483
2649091140,2phc2sys0-21swapper/323:32:043
785532991311,1cyclictest0-21swapper/222:35:292
785532991311,1cyclictest0-21swapper/220:53:022
785532991311,1cyclictest0-21swapper/220:38:022
785532991311,1cyclictest0-21swapper/219:23:022
785532991311,1cyclictest0-21swapper/219:13:082
785532991310,1cyclictest0-21swapper/222:45:312
785532991310,1cyclictest0-21swapper/221:03:022
785532991310,1cyclictest0-21swapper/220:56:092
785532991310,1cyclictest0-21swapper/220:48:092
785532991310,1cyclictest0-21swapper/220:28:022
785532991310,1cyclictest0-21swapper/220:18:042
785532991310,1cyclictest0-21swapper/220:13:052
785532991310,1cyclictest0-21swapper/219:58:052
785532991310,1cyclictest0-21swapper/219:53:072
785532991310,1cyclictest0-21swapper/219:28:082
78553299130,2cyclictest0-21swapper/221:17:202
78553199139,3cyclictest857890-21kthreadcore20:08:081
78553199138,4cyclictest867125-21head20:18:031
785531991310,2cyclictest1-21systemd00:21:451
2649091133,2phc2sys0-21swapper/300:23:023
2649091131,5phc2sys0-21swapper/321:23:013
2649091131,2phc2sys0-21swapper/300:13:103
2649091130,3phc2sys0-21swapper/322:23:063
2649091130,3phc2sys0-21swapper/319:53:023
2649091130,2phc2sys0-21swapper/323:26:553
2649091130,2phc2sys0-21swapper/322:40:583
2649091130,1phc2sys0-21swapper/321:19:563
785532991210,1cyclictest0-21swapper/223:38:582
785532991210,1cyclictest0-21swapper/223:03:072
785532991210,1cyclictest0-21swapper/222:10:032
785532991210,1cyclictest0-21swapper/221:35:042
785532991210,1cyclictest0-21swapper/219:43:082
785532991210,1cyclictest0-21swapper/219:10:022
78553199122,2cyclictest17350irq/127-ahci[0000:00:17.0]19:10:021
2649091123,2phc2sys0-21swapper/320:18:153
2649091123,2phc2sys0-21swapper/300:28:073
2649091123,1phc2sys0-21swapper/322:32:043
2649091121,2phc2sys0-21swapper/300:00:133
2649091120,3phc2sys0-21swapper/323:50:073
2649091120,1phc2sys0-21swapper/321:01:463
2649091120,1phc2sys0-21swapper/319:39:083
2649091111,5phc2sys0-21swapper/323:35:323
2649091111,2phc2sys0-21swapper/321:12:203
2649091111,2phc2sys0-21swapper/320:10:013
2649091111,2phc2sys0-21swapper/319:13:073
2649091110,2phc2sys0-21swapper/323:16:013
2649091110,2phc2sys0-21swapper/321:25:473
2649091110,2phc2sys0-21swapper/320:28:003
2649091110,2phc2sys0-21swapper/319:28:023
2649091101,2phc2sys0-21swapper/322:50:443
2649091101,2phc2sys0-21swapper/320:59:553
2649091101,2phc2sys0-21swapper/319:48:093
2649091101,2phc2sys0-21swapper/319:23:093
2649091101,2phc2sys0-21swapper/300:36:253
2649091100,2phc2sys0-21swapper/323:40:453
2649091100,2phc2sys0-21swapper/323:40:453
2649091100,2phc2sys0-21swapper/321:45:283
2649091100,2phc2sys0-21swapper/319:08:143
2649091100,1phc2sys0-21swapper/321:09:443
264909191,2phc2sys0-21swapper/320:43:033
264909191,2phc2sys0-21swapper/320:23:073
264909190,2phc2sys0-21swapper/321:55:093
264909190,2phc2sys0-21swapper/320:53:013
264909190,2phc2sys0-21swapper/319:43:083
264909190,2phc2sys0-21swapper/319:33:023
264909190,2phc2sys0-21swapper/319:15:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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