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2026-05-18 - 17:12
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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 May 18, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5793672990,3sleep30-21swapper/309:25:043
6133742970,2sleep20-21swapper/209:45:112
7078012900,1sleep00-21swapper/010:47:460
5149882880,2sleep00-21swapper/008:35:120
6485652430,0sleep0648562-21cut10:10:070
4726212310,2sleep20-21swapper/208:00:122
402810992414,9cyclictest0-21swapper/012:25:010
402811992315,3cyclictest627186-21kthreadcore09:55:091
402810992321,1cyclictest467867-21/usr/sbin/munin08:00:000
402811992219,2cyclictest601686-21grep09:40:011
402811992218,3cyclictest3824565-21in:imuxsock09:05:011
402810992219,2cyclictest861369-21cron12:30:000
402810992118,2cyclictest442670-21sh07:40:000
402810992117,3cyclictest1290-21dbus-daemon07:15:010
402810992113,7cyclictest691329-21runrttasks10:35:150
402810992113,6cyclictest0-21swapper/009:55:020
402810992112,7cyclictest0-21swapper/012:10:030
383433398210,5rtkit-daemon171ktimers/008:17:420
402811992017,2cyclictest838661-21latency_hist12:15:031
402811992017,2cyclictest800517-21latency_hist11:50:021
402811992017,2cyclictest3827634-1atopacctd09:50:101
402811992016,3cyclictest3824565-21in:imuxsock07:30:011
402811992013,2cyclictest0-21swapper/110:30:461
40281099208,5cyclictest0-21swapper/011:25:090
402810992013,6cyclictest1290-21dbus-daemon09:50:000
402812991916,1cyclictest0-21swapper/210:30:002
402812991916,1cyclictest0-21swapper/208:50:012
402811991918,1cyclictest0-21swapper/109:40:201
402811991915,3cyclictest3824565-21in:imuxsock07:20:011
40281099198,6cyclictest0-21swapper/012:00:120
402810991916,2cyclictest578758-21grep09:25:010
402810991916,2cyclictest3851698-21mta-sts-daemon07:25:020
402810991915,3cyclictest563607-21cut09:15:020
402810991910,8cyclictest0-21swapper/011:45:090
2649091190,2phc2sys0-21swapper/310:39:503
402812991815,1cyclictest0-21swapper/207:45:012
402811991815,2cyclictest656464-21irqcore10:15:081
402811991815,2cyclictest0-21swapper/108:00:011
402811991811,3cyclictest0-21swapper/110:30:011
402811991811,2cyclictest134050irq/121-eno112:24:461
402811991810,3cyclictest0-21swapper/111:00:011
402811991810,3cyclictest0-21swapper/110:40:021
40281099188,5cyclictest0-21swapper/010:30:080
40281099188,5cyclictest0-21swapper/010:20:030
402810991815,2cyclictest746637-21sh11:15:000
402810991815,2cyclictest0-21swapper/011:45:020
402810991814,2cyclictest830664-21latency_hist12:10:020
40281099181,13cyclictest0-21swapper/011:21:150
2649091185,2phc2sys0-21swapper/311:56:453
40281299171,6cyclictest0-21swapper/209:20:022
402812991715,1cyclictest0-21swapper/212:20:032
402812991715,1cyclictest0-21swapper/210:15:122
402812991714,1cyclictest0-21swapper/211:22:392
402812991714,1cyclictest0-21swapper/209:53:562
402812991714,1cyclictest0-21swapper/209:40:002
402811991714,2cyclictest806005-21grep11:50:161
402811991714,2cyclictest442670-21sh07:40:001
402811991714,2cyclictest3851705-21mta-sts-daemon11:10:021
402811991714,2cyclictest3851705-21mta-sts-daemon07:10:071
402811991714,2cyclictest0-21swapper/109:10:021
402811991713,3cyclictest857012-21kthreadcore12:25:101
402811991713,3cyclictest475873-21kernelversion08:05:091
402811991711,2cyclictest0-21swapper/111:10:001
40281099179,6cyclictest0-21swapper/011:02:460
40281099179,4cyclictest0-21swapper/010:55:080
40281099178,5cyclictest0-21swapper/011:55:060
40281099176,10cyclictest655560-21apt-get10:15:030
40281099173,4cyclictest491rcuog/210:01:580
402810991714,2cyclictest841813-21kthreadcore12:15:110
402810991714,2cyclictest747892-21grep11:15:090
402810991714,2cyclictest671806-21irqcore10:25:080
402810991714,2cyclictest641051-21sh10:05:080
402810991714,2cyclictest630291-21grep09:55:160
402810991714,2cyclictest1290-21dbus-daemon09:15:150
402810991711,2cyclictest383433398rtkit-daemon12:33:470
402810991710,6cyclictest1326-21systemd-logind09:35:000
402810991710,2cyclictest0-21swapper/009:37:520
2649091175,4phc2sys0-21swapper/310:33:063
2649091170,2phc2sys0-21swapper/310:46:223
40281299161,4cyclictest0-21swapper/211:10:012
402812991614,1cyclictest0-21swapper/212:10:012
402812991614,1cyclictest0-21swapper/211:40:022
402812991614,1cyclictest0-21swapper/210:45:112
402812991614,1cyclictest0-21swapper/207:50:022
402812991613,2cyclictest0-21swapper/212:20:172
402812991613,1cyclictest0-21swapper/211:20:002
402812991613,1cyclictest0-21swapper/211:05:012
402812991613,1cyclictest0-21swapper/210:05:052
402812991613,1cyclictest0-21swapper/209:43:332
402812991612,2cyclictest0-21swapper/210:30:222
402812991612,2cyclictest0-21swapper/209:14:462
40281199169,2cyclictest17350irq/127-ahci[0000:00:17.0]09:50:001
40281199167,4cyclictest0-21swapper/111:55:031
40281199162,8cyclictest576946-21unixbench_multi09:20:161
402811991613,2cyclictest777433-21systemd-run11:35:011
402811991613,2cyclictest754399-21acpi11:20:011
402811991613,2cyclictest725271-21irqrtprio11:00:091
402811991613,2cyclictest701866-21sh10:45:061
402811991613,2cyclictest664077-21if_enp1s0.810:20:091
402811991613,2cyclictest461640-21munin-plugin-st07:55:011
402811991613,2cyclictest3851703-21mta-sts-daemon09:10:041
402811991613,2cyclictest0-21swapper/111:40:011
402811991613,2cyclictest0-21swapper/109:30:011
402811991613,2cyclictest0-21swapper/108:15:011
402811991612,3cyclictest0-21swapper/112:20:011
402811991612,2cyclictest0-21swapper/109:20:011
402811991612,1cyclictest867838-21ssh12:31:331
40281099168,6cyclictest0-21swapper/010:50:030
402810991613,2cyclictest769768-21acpi11:30:020
402810991613,2cyclictest524408-21munin-plugin-st08:45:000
402810991613,2cyclictest486832-21systemd-run08:15:000
402810991613,2cyclictest3827634-1atopacctd09:10:020
402810991613,2cyclictest3827634-1atopacctd08:09:460
402810991612,3cyclictest581945-21kthreadcore09:25:110
402810991612,3cyclictest526008-21kthreadcore08:45:110
402810991612,3cyclictest428089-21kthreadcore07:25:110
40281099161,10cyclictest0-21swapper/011:07:100
40281099160,2cyclictest417219-21awk07:15:180
2649091160,3phc2sys0-21swapper/312:39:133
2649091160,3phc2sys0-21swapper/312:29:153
2649091160,2phc2sys0-21swapper/310:17:083
2649091160,1phc2sys0-21swapper/312:06:233
402812991513,1cyclictest0-21swapper/211:44:512
402812991513,1cyclictest0-21swapper/208:45:012
402812991512,1cyclictest0-21swapper/211:55:172
402812991512,1cyclictest0-21swapper/211:45:062
402812991512,1cyclictest0-21swapper/210:25:002
402812991512,1cyclictest0-21swapper/209:55:112
402812991512,1cyclictest0-21swapper/209:25:012
402812991512,1cyclictest0-21swapper/208:34:012
402812991512,1cyclictest0-21swapper/208:15:002
402812991512,1cyclictest0-21swapper/207:35:012
402812991512,1cyclictest0-21swapper/207:25:102
402812991511,2cyclictest0-21swapper/210:00:122
402812991511,2cyclictest0-21swapper/209:05:142
402812991511,2cyclictest0-21swapper/207:18:302
402811991512,2cyclictest641607-21kthreadcore10:05:111
402811991512,2cyclictest637923-21mailstats10:00:151
402811991512,2cyclictest530772-21latency_hist08:50:001
402811991512,2cyclictest505925-21/usr/sbin/munin08:30:101
402811991512,2cyclictest471230-21kthreadcore08:00:111
402811991512,2cyclictest402808-21cyclictest09:30:091
402811991512,2cyclictest3851705-21mta-sts-daemon08:18:261
402811991512,2cyclictest1326-21systemd-logind11:45:011
402811991511,2cyclictest0-21swapper/108:30:011
402811991510,4cyclictest3851705-21mta-sts-daemon08:44:341
40281099159,5cyclictest543657-21aten2.4-expect09:00:040
40281099158,5cyclictest503278-21tr08:25:110
40281099157,7cyclictest0-21swapper/012:35:040
40281099154,6cyclictest0-21swapper/008:59:460
40281099154,6cyclictest0-21swapper/007:46:460
402810991513,1cyclictest512100-21latency_hist08:35:010
402810991512,2cyclictest602188-21tr09:40:050
402810991512,2cyclictest3827634-1atopacctd08:00:110
402810991511,3cyclictest779634-21kthreadcore11:35:110
402810991510,4cyclictest694954-21cut10:40:090
2649091151,2phc2sys0-21swapper/310:50:053
2649091150,3phc2sys0-21swapper/311:39:213
2649091150,1phc2sys0-21swapper/311:48:153
2649091150,1phc2sys0-21swapper/309:52:353
40281299141,8cyclictest0-21swapper/212:40:012
402812991412,1cyclictest0-21swapper/210:37:382
402812991412,1cyclictest0-21swapper/209:05:022
402812991411,1cyclictest0-21swapper/212:30:022
402812991411,1cyclictest0-21swapper/212:25:292
402812991411,1cyclictest0-21swapper/212:11:192
402812991411,1cyclictest0-21swapper/211:30:062
402812991411,1cyclictest0-21swapper/211:26:442
402812991411,1cyclictest0-21swapper/210:56:082
402812991411,1cyclictest0-21swapper/209:25:032
402812991411,1cyclictest0-21swapper/208:35:092
402812991411,1cyclictest0-21swapper/208:25:072
402812991410,2cyclictest0-21swapper/211:51:152
402812991410,2cyclictest0-21swapper/207:10:112
40281199149,4cyclictest443626-21sort07:40:081
40281199141,4cyclictest543373-21munin-run09:00:011
402811991411,2cyclictest757547-21kthreadcore11:20:091
402811991411,2cyclictest536929-21latency_hist08:55:001
402811991411,2cyclictest512278-21aten_repower_fr08:35:051
402811991411,2cyclictest499358-21latency_hist08:25:001
402811991411,2cyclictest420832-21kthreadcore07:20:111
402811991411,2cyclictest3834332-21rtkit-daemon10:10:231
402811991411,2cyclictest0-21swapper/112:40:001
402811991411,2cyclictest0-21swapper/110:55:021
402811991410,3cyclictest817781-21kthreadcore12:00:101
40281099149,4cyclictest431740-21sed07:30:110
402810991411,2cyclictest456576-21irqcore07:50:090
402810991411,2cyclictest442961-21kworker/u16:3-events_power_efficient07:45:010
402810991411,2cyclictest0-21swapper/011:55:000
2649091144,2phc2sys0-21swapper/312:33:053
2649091140,2phc2sys0-21swapper/312:15:303
2649091140,2phc2sys0-21swapper/311:22:133
2649091140,2phc2sys0-21swapper/310:24:343
2649091140,2phc2sys0-21swapper/310:14:583
2649091140,2phc2sys0-21swapper/307:09:163
2649091140,1phc2sys0-21swapper/310:55:453
2649091140,1phc2sys0-21swapper/309:33:233
2649091140,1phc2sys0-21swapper/308:31:283
40281299134,2cyclictest0-21swapper/207:10:012
40281299131,4cyclictest0-21swapper/208:20:032
402812991311,1cyclictest0-21swapper/210:42:252
402812991311,1cyclictest0-21swapper/210:10:042
402812991311,1cyclictest0-21swapper/208:55:122
402812991311,1cyclictest0-21swapper/208:50:132
402812991311,1cyclictest0-21swapper/207:50:102
402812991310,2cyclictest0-21swapper/210:50:082
402812991310,1cyclictest0-21swapper/209:30:162
402812991310,1cyclictest0-21swapper/207:55:032
40281199139,3cyclictest449929-21cut07:45:061
40281199139,3cyclictest3851705-21mta-sts-daemon10:36:321
402811991310,2cyclictest823955-21fschecks_count12:05:081
402811991310,2cyclictest3851703-21mta-sts-daemon07:30:081
402811991310,2cyclictest0-21swapper/111:25:141
40281099139,3cyclictest494580-21irqrtprio08:20:090
40281099138,4cyclictest532307-21cut08:50:060
2649091130,6phc2sys0-21swapper/312:20:053
2649091130,2phc2sys0-21swapper/311:25:113
40281299129,1cyclictest0-21swapper/208:15:082
402812991210,1cyclictest0-21swapper/212:00:162
402812991210,1cyclictest0-21swapper/211:10:082
402812991210,1cyclictest0-21swapper/208:05:112
402812991210,1cyclictest0-21swapper/207:35:092
40281199129,2cyclictest0-21swapper/107:10:021
40281099121,6cyclictest402655-21latency_hist07:10:010
2649091126,1phc2sys0-21swapper/307:16:013
2649091121,2phc2sys0-21swapper/311:10:083
2649091120,3phc2sys0-21swapper/309:18:053
2649091120,2phc2sys0-21swapper/312:02:023
2649091120,2phc2sys0-21swapper/311:50:283
2649091120,2phc2sys0-21swapper/311:15:583
2649091120,2phc2sys0-21swapper/308:35:563
2649091120,2phc2sys0-21swapper/308:05:033
8368862110,4sleep30-21swapper/312:11:043
40281299118,1cyclictest0-21swapper/207:20:042
2649091112,2phc2sys0-21swapper/308:20:433
2649091111,2phc2sys0-21swapper/307:25:023
2649091110,3phc2sys0-21swapper/307:30:113
2649091110,2phc2sys0-21swapper/310:25:023
2649091110,2phc2sys0-21swapper/307:20:463
2649091110,1phc2sys0-21swapper/310:02:013
2649091110,1phc2sys0-21swapper/309:21:203
2649091110,1phc2sys0-21swapper/307:47:523
2649091103,2phc2sys0-21swapper/309:35:113
2649091103,2phc2sys0-21swapper/308:00:003
2649091102,2phc2sys0-21swapper/311:01:423
2649091102,2phc2sys0-21swapper/309:55:163
2649091102,2phc2sys0-21swapper/307:50:043
2649091101,2phc2sys0-21swapper/310:07:223
2649091101,2phc2sys0-21swapper/309:48:433
2649091100,2phc2sys0-21swapper/311:31:323
2649091100,2phc2sys0-21swapper/311:06:153
2649091100,2phc2sys0-21swapper/310:41:103
2649091100,2phc2sys0-21swapper/309:40:503
2649091100,2phc2sys0-21swapper/309:10:033
2649091100,2phc2sys0-21swapper/309:05:143
2649091100,2phc2sys0-21swapper/309:00:053
2649091100,2phc2sys0-21swapper/308:55:203
2649091100,2phc2sys0-21swapper/308:15:093
2649091100,2phc2sys0-21swapper/308:10:043
2649091100,2phc2sys0-21swapper/308:00:103
2649091100,1phc2sys0-21swapper/308:42:253
264909191,2phc2sys0-21swapper/311:40:423
264909191,2phc2sys0-21swapper/308:25:103
264909191,2phc2sys0-21swapper/307:40:063
264909190,2phc2sys0-21swapper/308:50:033
264909190,2phc2sys0-21swapper/307:35:083
264909190,2phc2sys0-21swapper/307:10:123
264909180,3phc2sys0-21swapper/308:45:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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