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2026-01-08 - 23:19
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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 all highest latencies:
System rackeslot2.osadl.org (updated Thu Jan 08, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6053221110,2sleep360521-21turbostat10:30:003
41135942440,1sleep00-21swapper/009:08:530
1178762410,2sleep0117862-21perf11:05:000
397122199274,5cyclictest96388-21cron10:50:010
3971221992614,8cyclictest1327-21in:imuxsock11:15:010
3971224992518,2cyclictest134050irq/121-eno111:28:071
3971224992515,6cyclictest177035-21kthreadcore11:38:101
3971221992519,5cyclictest216744-21basename12:00:000
3971224992418,2cyclictest17350irq/127-ahci[0000:00:17.0]09:09:231
3971224992417,2cyclictest134050irq/121-eno112:33:131
3971224992417,2cyclictest134050irq/121-eno109:15:011
3971224992413,2cyclictest134050irq/121-eno110:38:081
397122199248,8cyclictest0-21swapper/009:11:010
397122199248,11cyclictest139214-21irqrtprio11:18:060
3971221992419,4cyclictest171646-21/usr/sbin/munin11:35:010
3971221992418,5cyclictest33191-21unin-run10:15:010
3971221992416,4cyclictest39714221systemd-run07:10:020
397122199241,2cyclictest4178754-21kworker/u16:2+rpciod10:00:010
397122199241,2cyclictest0-21swapper/011:38:440
3971221992412,8cyclictest8505-21/usr/sbin/munin10:03:030
3971221992410,9cyclictest0-21swapper/007:13:080
3971224992315,3cyclictest265249-21kthreadcore12:28:081
3971224992315,3cyclictest114492-21kthreadcore11:03:051
397122199238,8cyclictest0-21swapper/010:08:100
397122199237,11cyclictest0-21swapper/012:15:010
397122199236,8cyclictest67933-21switchtime10:33:130
397122199236,12cyclictest0-21swapper/009:43:100
397122199235,13cyclictest0-21swapper/010:23:100
397122199231,7cyclictest0-21swapper/011:41:060
3971221992317,5cyclictest153573-21sh11:25:000
3971221992317,5cyclictest1313-21gmain09:35:010
3971221992312,7cyclictest0-21swapper/009:20:020
3971221992310,8cyclictest0-21swapper/009:23:490
3971221992310,7cyclictest98748-21aten2.4-expect10:53:010
3971224992214,3cyclictest124430-21kthreadcore11:08:111
397122199229,8cyclictest0-21swapper/012:17:300
397122199229,8cyclictest0-21swapper/009:28:100
397122199228,9cyclictest0-21swapper/009:53:080
397122199227,11cyclictest4163460-21cstates09:38:040
397122199226,4cyclictest82036-21kernelversion10:43:070
397122199226,11cyclictest0-21swapper/011:28:100
397122199225,5cyclictest4022364-21cat07:50:020
397122199224,2cyclictest0-21swapper/012:38:020
3971221992217,4cyclictest3971217-21cyclictest08:28:050
3971221992211,7cyclictest1996-21runrttasks11:08:450
397122199220,1cyclictest0-21swapper/009:46:150
3971224992116,3cyclictest1326-21systemd-logind08:00:021
3971224992114,3cyclictest4190307-21cstates09:53:041
3971224992111,5cyclictest257-21systemd-journal10:35:011
397122199219,8cyclictest71872-21aten2.4-expect10:38:020
397122199219,11cyclictest201222-21tail11:53:010
397122199211,9cyclictest0-21swapper/010:27:250
3971221992115,5cyclictest1327-21in:imuxsock09:00:000
397122199211,3cyclictest231708-21cut12:08:080
397122199211,2cyclictest4059084-21grep08:25:000
397122199210,4cyclictest35602-21aten_repower_cu10:17:590
397122199210,20cyclictest0-21swapper/007:36:220
397122599208,6cyclictest0-21swapper/212:10:012
397122599203,9cyclictest0-21swapper/212:30:012
397122499209,3cyclictest0-21swapper/110:53:001
3971224992017,2cyclictest227949-21/usr/sbin/munin12:08:111
3971224992017,2cyclictest183936-21idleruntime11:43:051
3971224992013,3cyclictest50580-21ssh10:23:311
397122199208,2cyclictest0-21swapper/012:30:420
397122199204,5cyclictest3986137-21cat07:20:030
397122199201,7cyclictest264216-21diskstats12:28:040
397122199201,5cyclictest491rcuog/212:03:140
3971221992015,4cyclictest0-21swapper/007:30:010
3971221992015,4cyclictest0-21swapper/007:30:010
3971221992014,5cyclictest3992136-21munin-plugin-st07:25:020
397122199201,3cyclictest4044778-21cut08:13:060
397122199201,2cyclictest0-21swapper/011:48:040
397122199200,3cyclictest4071409-21perf08:35:000
397122599190,16cyclictest2809342sleep212:36:572
397122499197,3cyclictest0-21swapper/110:50:011
3971224991916,2cyclictest42833-21latency_hist10:20:021
3971224991916,2cyclictest4185810-21missed_timers09:48:101
3971224991916,2cyclictest4173376-21kthreadcore09:43:091
3971224991916,2cyclictest4146419-21kthreadcore09:28:081
3971224991916,2cyclictest4071918-21/usr/sbin/munin08:38:121
3971224991916,2cyclictest4048163-21gltestperf08:18:061
3971224991916,2cyclictest4017228-21fschecks_time07:48:051
3971224991916,2cyclictest3992081-21munin-plugin-st07:25:011
3971224991916,2cyclictest257-21systemd-journal09:59:441
3971224991915,3cyclictest82670-21kthreadcore10:43:081
3971224991915,3cyclictest133651-21kthreadcore11:13:091
3971224991915,3cyclictest1327-21in:imuxsock12:20:021
397122199198,2cyclictest0-21swapper/012:20:110
397122199191,9cyclictest4048251-21hddtemp_smartct08:18:070
3971221991913,5cyclictest4003985-21latency_hist07:35:020
397122199191,13cyclictest0-21swapper/010:56:080
397122199190,8cyclictest4084018-21cat08:48:000
397122199190,8cyclictest4034378-21cat08:00:020
397122599183,8cyclictest0-21swapper/209:40:012
3971225991815,1cyclictest0-21swapper/211:41:262
397122499184,9cyclictest4100763-21strings08:58:121
3971224991815,2cyclictest4156909-21kthreadcore09:33:091
3971224991815,2cyclictest4040225-21cron08:05:011
3971224991815,2cyclictest4000420-21kthreadcore07:33:101
3971224991815,2cyclictest223869-21pmu-power12:03:121
3971224991815,2cyclictest192821-21head11:48:051
3971224991815,2cyclictest164969-21aten_repower_po11:33:011
3971224991815,2cyclictest1296-21polkitd10:05:011
3971224991814,3cyclictest4128979-21kthreadcore09:18:081
3971224991814,3cyclictest4067196-21kthreadcore08:33:101
3971224991814,3cyclictest30832-21kthreadcore10:13:101
3971224991814,3cyclictest17529-21aten_repower_en10:08:031
3971224991814,3cyclictest138310-21tr11:18:021
397122199187,2cyclictest0-21swapper/007:43:020
397122199186,8cyclictest0-21swapper/008:07:420
397122199185,8cyclictest1290-21dbus-daemon08:53:130
397122199185,3cyclictest4078728-21hddtemp_smartct08:43:050
397122199184,3cyclictest4102087-21/usr/sbin/munin09:03:050
397122199184,3cyclictest4034736-21/usr/sbin/munin08:03:160
397122199181,6cyclictest4071918-21/usr/sbin/munin08:38:050
3971221991812,5cyclictest4028328-21munin-plugin-st07:55:020
2649091180,2phc2sys0-21swapper/311:39:313
2649091180,2phc2sys0-21swapper/309:49:263
397122599173,7cyclictest0-21swapper/209:50:012
3971225991715,1cyclictest0-21swapper/211:40:012
3971225991714,1cyclictest0-21swapper/211:03:022
3971225991714,1cyclictest0-21swapper/210:50:012
3971225991714,1cyclictest0-21swapper/210:45:002
3971225991714,1cyclictest0-21swapper/210:08:042
3971225991714,1cyclictest0-21swapper/209:23:032
397122499176,6cyclictest0-21swapper/107:10:301
3971224991714,2cyclictest4042782-21kthreadcore08:13:051
3971224991714,2cyclictest282701-21sort12:38:081
3971224991714,2cyclictest239710-21kthreadcore12:13:081
3971224991714,2cyclictest211364-21kernelversion11:58:071
3971224991714,2cyclictest150419-21kthreadcore11:23:091
3971224991713,3cyclictest4062363-21kthreadcore08:28:091
3971224991713,3cyclictest4005959-21kthreadcore07:38:071
3971224991713,3cyclictest255956-21irqrtprio12:23:061
3971224991711,4cyclictest54185-21cstates10:28:041
3971224991711,4cyclictest3993532-21grep07:28:091
3971224991711,4cyclictest3993532-21grep07:28:091
2649091172,2phc2sys0-21swapper/310:33:063
2649091171,3phc2sys0-21swapper/311:28:013
2649091171,2phc2sys0-21swapper/310:13:103
2649091171,2phc2sys0-21swapper/308:33:113
2649091170,2phc2sys0-21swapper/310:18:073
2649091170,2phc2sys0-21swapper/310:02:233
2649091170,1phc2sys0-21swapper/310:50:093
397122599161,9cyclictest0-21swapper/211:50:012
3971225991614,1cyclictest0-21swapper/211:50:382
3971225991614,1cyclictest0-21swapper/210:38:182
3971225991613,1cyclictest0-21swapper/212:22:362
3971225991613,1cyclictest0-21swapper/209:13:102
3971225991613,1cyclictest0-21swapper/208:18:062
3971225991611,2cyclictest0-21swapper/211:56:402
3971225991610,3cyclictest0-21swapper/210:30:442
3971225991610,3cyclictest0-21swapper/209:51:272
397122499164,3cyclictest111256-21kworker/u16:0+xprtiod11:50:381
3971224991613,2cyclictest4166669-21kthreadcore09:38:091
3971224991613,2cyclictest4139105-21kthreadcore09:23:091
3971224991613,2cyclictest4090726-21gltestperf08:53:051
3971224991613,2cyclictest4057056-21kthreadcore08:23:091
3971224991613,2cyclictest3981595-21kthreadcore07:18:101
3971224991613,2cyclictest1326-21systemd-logind08:50:021
2649091160,4phc2sys0-21swapper/307:38:093
2649091160,4phc2sys0-21swapper/307:08:033
2649091160,1phc2sys0-21swapper/312:38:353
397122599157,6cyclictest1243072sleep211:08:122
3971225991513,1cyclictest0-21swapper/210:53:082
3971225991513,1cyclictest0-21swapper/210:28:122
3971225991513,1cyclictest0-21swapper/208:33:032
3971225991513,1cyclictest0-21swapper/208:03:112
3971225991512,1cyclictest0-21swapper/212:15:012
3971225991512,1cyclictest0-21swapper/212:03:092
3971225991512,1cyclictest0-21swapper/211:28:052
3971225991512,1cyclictest0-21swapper/210:23:022
3971225991512,1cyclictest0-21swapper/209:43:042
3971225991512,1cyclictest0-21swapper/208:53:112
3971225991512,1cyclictest0-21swapper/208:38:082
3971225991512,1cyclictest0-21swapper/208:28:092
3971225991512,1cyclictest0-21swapper/207:58:082
3971225991512,1cyclictest0-21swapper/207:48:042
3971225991512,1cyclictest0-21swapper/207:38:092
3971225991512,1cyclictest0-21swapper/207:28:072
3971225991512,1cyclictest0-21swapper/207:28:072
3971225991512,1cyclictest0-21swapper/207:23:042
3971225991511,2cyclictest0-21swapper/212:18:052
3971225991511,2cyclictest0-21swapper/211:30:072
3971225991511,2cyclictest0-21swapper/211:10:182
3971225991511,2cyclictest0-21swapper/210:59:142
3971225991511,2cyclictest0-21swapper/210:11:382
3971225991511,2cyclictest0-21swapper/210:00:532
3971225991511,2cyclictest0-21swapper/209:58:402
3971225991511,2cyclictest0-21swapper/209:19:202
3971225991510,2cyclictest0-21swapper/209:25:202
397122599150,8cyclictest0-21swapper/210:20:012
397122499159,2cyclictest134050irq/121-eno110:56:101
397122499158,5cyclictest257-21systemd-journal07:50:431
3971224991512,2cyclictest4010685-21head07:43:021
3971224991512,2cyclictest29026-21sendmail-mta08:05:421
2649091151,4phc2sys0-21swapper/308:43:013
2649091150,3phc2sys0-21swapper/310:40:023
2649091150,3phc2sys0-21swapper/309:35:573
2649091150,2phc2sys0-21swapper/311:57:483
2649091150,2phc2sys0-21swapper/310:06:373
2649091150,2phc2sys0-21swapper/307:10:273
3971225991411,1cyclictest0-21swapper/211:20:272
3971225991411,1cyclictest0-21swapper/209:33:082
3971225991411,1cyclictest0-21swapper/208:48:012
3971225991411,1cyclictest0-21swapper/208:45:012
3971225991411,1cyclictest0-21swapper/207:33:122
3971225991411,1cyclictest0-21swapper/207:13:102
3971225991410,2cyclictest0-21swapper/212:33:052
3971225991410,2cyclictest0-21swapper/211:15:492
3971224991411,2cyclictest3971217-21cyclictest08:40:491
3971224991410,2cyclictest0-21swapper/109:01:441
2649091141,2phc2sys0-21swapper/311:32:053
2649091140,4phc2sys0-21swapper/311:23:233
2649091140,3phc2sys0-21swapper/312:13:023
2649091140,2phc2sys0-21swapper/309:16:403
2649091140,2phc2sys0-21swapper/309:14:263
514712130,4sleep30-21swapper/310:25:003
3971225991311,1cyclictest0-21swapper/208:15:012
3971225991311,1cyclictest0-21swapper/207:20:012
3971225991310,1cyclictest0-21swapper/209:08:022
3971225991310,1cyclictest0-21swapper/209:03:022
3971225991310,1cyclictest0-21swapper/208:23:082
2649091130,1phc2sys0-21swapper/311:14:163
397122599129,1cyclictest0-21swapper/207:53:022
397122599122,3cyclictest0-21swapper/209:00:012
3971225991210,1cyclictest0-21swapper/207:43:132
2649091126,2phc2sys0-21swapper/311:54:133
2649091124,2phc2sys0-21swapper/311:47:053
2649091121,5phc2sys0-21swapper/308:48:003
2649091121,5phc2sys0-21swapper/308:03:043
2649091121,5phc2sys0-21swapper/307:43:013
2649091121,2phc2sys0-21swapper/309:58:363
2649091120,2phc2sys0-21swapper/310:44:073
2649091120,2phc2sys0-21swapper/309:50:463
2649091120,2phc2sys0-21swapper/309:25:213
2649091120,2phc2sys0-21swapper/307:32:393
397122599118,1cyclictest0-21swapper/208:09:112
2649091112,2phc2sys0-21swapper/312:08:293
2649091111,2phc2sys0-21swapper/312:22:283
2649091110,2phc2sys0-21swapper/308:15:203
2649091110,2phc2sys0-21swapper/307:53:083
2649091110,2phc2sys0-21swapper/307:22:343
2649091110,1phc2sys0-21swapper/309:08:423
2649091110,1phc2sys0-21swapper/309:02:283
2649091110,1phc2sys0-21swapper/308:20:043
1262432110,2sleep30-21swapper/311:09:133
397122599107,1cyclictest0-21swapper/207:10:012
2649091102,2phc2sys0-21swapper/309:23:093
2649091101,2phc2sys0-21swapper/312:30:133
2649091101,2phc2sys0-21swapper/312:30:013
2649091101,2phc2sys0-21swapper/312:00:083
2649091101,2phc2sys0-21swapper/311:42:233
2649091101,2phc2sys0-21swapper/308:53:103
2649091100,4phc2sys0-21swapper/309:33:023
2649091100,2phc2sys0-21swapper/312:15:143
2649091100,2phc2sys0-21swapper/311:16:183
2649091100,2phc2sys0-21swapper/311:01:563
2649091100,2phc2sys0-21swapper/310:56:273
2649091100,2phc2sys0-21swapper/310:45:533
2649091100,2phc2sys0-21swapper/309:43:253
2649091100,2phc2sys0-21swapper/308:38:003
2649091100,2phc2sys0-21swapper/308:10:273
2649091100,2phc2sys0-21swapper/307:16:453
39712249991,5cyclictest1-21systemd07:10:021
264909191,3phc2sys0-21swapper/307:28:023
264909191,3phc2sys0-21swapper/307:28:023
264909190,2phc2sys0-21swapper/308:57:593
264909190,2phc2sys0-21swapper/308:29:263
264909190,2phc2sys0-21swapper/307:47:473
264909180,2phc2sys0-21swapper/308:05:063
264909180,2phc2sys0-21swapper/307:55:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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