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2026-08-31 - 00:09
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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 Sun Aug 30, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209562521090,2sleep30-21swapper/310:23:153
1801795993010,6cyclictest0-21swapper/009:34:420
1801795992911,2cyclictest0-21swapper/010:49:500
20130752260,2sleep30-21swapper/309:34:533
180179599267,7cyclictest0-21swapper/010:45:010
1801801992517,2cyclictest82050irq/121-eno111:49:531
180179599259,5cyclictest2078966-21cstates10:14:460
180179599259,5cyclictest2021012-21kthreadcore09:39:540
180179599259,15cyclictest778-21dbus-daemon12:10:020
180179599236,6cyclictest0-21swapper/011:59:290
180179599233,2cyclictest0-21swapper/009:14:290
1801795992313,2cyclictest778-21dbus-daemon09:20:030
1801795992313,2cyclictest778-21dbus-daemon09:20:030
1801795992312,3cyclictest1857822-21kthreadcore07:49:510
1801795992312,3cyclictest1826858-21irqrtprio07:29:510
1801795992311,3cyclictest2155439-21pmu-power10:54:560
1801795992311,3cyclictest2155439-21pmu-power10:54:560
1801795992311,3cyclictest1870144-21kthreadcore07:59:530
180179599229,7cyclictest0-21swapper/011:19:280
180179599221,5cyclictest2314853-21tr12:24:540
1801795992215,6cyclictest24648-21gmain09:40:590
1801795992211,3cyclictest1840194-21head07:39:500
1801801992116,4cyclictest24615-21JS14:54:061
1801795992112,5cyclictest2164111-21/usr/sbin/munin10:59:550
1801795992112,3cyclictest2180822-21kthreadcore11:09:530
1801795992111,3cyclictest376-21systemd-journal10:00:010
1801795992111,3cyclictest1924253-21kthreadcore08:39:520
1801795992111,3cyclictest1824074-21kthreadcore07:24:550
1801795992111,2cyclictest1920605-21kthreadcore08:34:540
180179599209,6cyclictest0-21swapper/012:05:020
180179599200,12cyclictest0-21swapper/011:24:300
2447398190,2rtkit-daemon932-1atopacctd12:12:541
2213291191,3phc2sys0-21swapper/308:45:033
2213291190,2phc2sys0-21swapper/312:08:563
2213291190,2phc2sys0-21swapper/309:43:443
2213291190,2phc2sys0-21swapper/307:54:103
20844372190,1sleep1341rcuc/110:14:561
180180399196,7cyclictest0-21swapper/207:39:312
180180199195,8cyclictest2271082-21awk12:00:011
1801801991916,2cyclictest24648-21gmain10:56:431
180179599190,8cyclictest1805758-21kthreadcore07:14:520
2213291180,2phc2sys0-21swapper/311:20:013
180180399181,8cyclictest0-21swapper/212:29:312
1801803991815,1cyclictest0-21swapper/210:26:272
1801803991815,1cyclictest0-21swapper/209:49:562
180180199189,5cyclictest1970501-21sh09:10:451
180180199189,1cyclictest501rcuop/209:26:021
1801801991816,1cyclictest2185161-21apt11:14:311
1801801991810,3cyclictest797-21polkitd11:10:021
180179599183,4cyclictest2298269-21systemd-run12:15:020
1801795991815,2cyclictest2005496-21systemd-run09:30:030
1801795991814,3cyclictest1954032-21kthreadcore08:59:520
1801795991811,4cyclictest2165157-21kworker/u16:0-events_unbound11:42:080
2213291170,2phc2sys0-21swapper/310:25:503
2213291170,2phc2sys0-21swapper/309:21:393
2213291170,2phc2sys0-21swapper/308:28:333
180180399173,8cyclictest0-21swapper/211:04:292
180180399173,8cyclictest0-21swapper/211:04:292
180180399171,6cyclictest0-21swapper/210:49:302
1801803991714,1cyclictest0-21swapper/212:37:582
1801803991714,1cyclictest0-21swapper/210:59:432
1801803991714,1cyclictest0-21swapper/208:10:022
1801803991713,1cyclictest0-21swapper/208:32:092
180180199179,4cyclictest491rcuog/207:55:011
1801801991714,2cyclictest2320623-21kthreadcore12:29:531
1801801991714,2cyclictest2235965-21unixbench_singl11:39:591
1801801991713,3cyclictest1913973-21latency08:29:541
1801801991711,2cyclictest560-21hwrng09:37:431
1801801991710,1cyclictest501rcuop/207:10:061
180180199170,3cyclictest2282004-21ssh12:07:461
180179599177,5cyclictest1949206-21awk08:55:000
180179599175,7cyclictest0-21swapper/010:04:280
180179599173,6cyclictest0-21swapper/010:19:470
180179599172,10cyclictest0-21swapper/010:09:030
1801795991714,2cyclictest1188-21runrttasks11:32:360
2213291160,2phc2sys0-21swapper/312:13:363
2213291160,2phc2sys0-21swapper/311:47:323
2213291160,2phc2sys0-21swapper/311:28:183
2213291160,2phc2sys0-21swapper/309:53:433
1801803991613,1cyclictest0-21swapper/212:09:522
1801803991613,1cyclictest0-21swapper/209:51:092
1801803991612,2cyclictest0-21swapper/210:03:092
1801803991611,2cyclictest0-21swapper/211:10:342
180180199169,1cyclictest501rcuop/210:50:121
180180199169,1cyclictest501rcuop/210:50:121
180180199168,3cyclictest501rcuop/208:16:091
180180199167,5cyclictest191rcu_preempt09:49:291
180180199167,3cyclictest501rcuop/209:07:111
180180199164,3cyclictest1767691-21kworker/u16:3+rpciod09:54:011
1801801991613,2cyclictest975-21in:imuxsock07:23:171
1801801991613,2cyclictest1845850-21munin-plugin-st07:40:021
1801801991613,2cyclictest1838996-21cut07:35:021
1801801991612,3cyclictest1801787-21cyclictest08:04:521
1801801991611,4cyclictest24615-21JS14:54:061
180180199161,10cyclictest36-21ksoftirqd/108:39:571
1801801991610,1cyclictest601rcuop/311:03:281
1801801991610,1cyclictest601rcuop/311:03:281
1801801991610,1cyclictest501rcuop/212:32:271
1801795991613,2cyclictest24472-21rtkit-daemon11:26:350
1801795991613,2cyclictest24472-21rtkit-daemon10:24:450
1801795991613,2cyclictest1902219-21fschecks_time08:24:490
1801795991612,3cyclictest2045318-21kthreadcore09:54:530
1801795991612,3cyclictest1882905-21kthreadcore08:09:520
1801795991612,3cyclictest1810405-21kthreadcore07:15:030
1801795991612,2cyclictest2120548-21latency_hist10:35:020
1801795991611,4cyclictest932-1atopacctd09:04:500
180179599160,1cyclictest0-21swapper/011:50:420
2213291159,2phc2sys0-21swapper/310:57:353
2213291151,2phc2sys0-21swapper/308:04:523
2213291150,2phc2sys0-21swapper/310:13:183
2213291150,1phc2sys0-21swapper/311:57:573
180180399159,3cyclictest0-21swapper/210:39:302
180180399151,3cyclictest0-21swapper/209:24:292
1801803991512,1cyclictest0-21swapper/211:45:012
1801803991512,1cyclictest0-21swapper/211:24:502
1801803991512,1cyclictest0-21swapper/210:41:422
1801803991512,1cyclictest0-21swapper/209:29:512
1801803991512,1cyclictest0-21swapper/209:15:012
1801803991512,1cyclictest0-21swapper/209:09:492
1801803991512,1cyclictest0-21swapper/208:54:512
1801803991512,1cyclictest0-21swapper/207:59:522
1801803991512,1cyclictest0-21swapper/207:43:412
180180199159,1cyclictest501rcuop/212:17:231
180180199159,1cyclictest501rcuop/212:00:361
180180199159,1cyclictest501rcuop/211:41:441
180180199159,1cyclictest501rcuop/211:22:311
180180199159,1cyclictest501rcuop/210:04:101
180180199159,1cyclictest501rcuop/209:18:521
180180199159,1cyclictest501rcuop/209:18:521
180180199158,1cyclictest501rcuop/211:18:221
180180199157,3cyclictest501rcuop/208:54:161
180180199157,3cyclictest501rcuop/207:46:351
180180199157,3cyclictest501rcuop/207:26:511
180180199157,3cyclictest0-21swapper/110:20:321
180180199157,1cyclictest191rcu_preempt10:44:131
180180199156,7cyclictest82050irq/121-eno109:20:391
180180199156,4cyclictest1868937-21cut07:59:511
180180199154,6cyclictest0-21swapper/108:59:291
180180199153,7cyclictest1767691-21kworker/u16:3+rpciod10:25:261
180180199151,8cyclictest501rcuop/211:25:491
1801801991512,2cyclictest376-21systemd-journal11:34:561
1801801991511,3cyclictest1962873-21unixbench-2d09:04:591
1801801991511,3cyclictest1890403-21kthreadcore08:14:511
1801801991511,3cyclictest1848218-21kthreadcore07:44:521
1801801991510,2cyclictest501rcuop/209:57:141
1801801991510,1cyclictest191rcu_preempt10:39:491
180179599158,2cyclictest2165157-21kworker/u16:0-events_unbound11:01:050
180179599158,2cyclictest2165157-21kworker/u16:0-events_unbound11:01:050
180179599158,2cyclictest1992432-21ssh09:24:520
180179599156,2cyclictest0-21swapper/011:14:590
180179599155,5cyclictest0-21swapper/010:39:520
180179599153,6cyclictest2333328-21switchtime12:34:590
180179599153,3cyclictest0-21swapper/010:28:590
1801795991512,2cyclictest24472-21rtkit-daemon11:47:450
1801795991512,2cyclictest1833565-21irqcore07:34:500
1801795991512,2cyclictest0-21swapper/008:03:250
1801795991511,3cyclictest2340549-21kthreadcore12:39:520
1801795991511,3cyclictest2318764-21cpuspeed_turbos12:29:480
1801795991511,3cyclictest2037843-21kthreadcore09:49:520
1801795991511,3cyclictest1930604-21kthreadcore08:44:500
1801795991511,3cyclictest1912779-21kthreadcore08:29:530
2213291140,2phc2sys0-21swapper/312:39:333
2213291140,2phc2sys0-21swapper/311:43:513
2213291140,2phc2sys0-21swapper/311:33:273
2213291140,1phc2sys0-21swapper/307:25:363
180180399141,4cyclictest0-21swapper/209:44:302
180180399141,3cyclictest0-21swapper/210:19:302
1801803991411,1cyclictest0-21swapper/212:24:512
1801803991411,1cyclictest0-21swapper/212:14:502
1801803991411,1cyclictest0-21swapper/212:04:502
1801803991411,1cyclictest0-21swapper/211:39:472
1801803991411,1cyclictest0-21swapper/211:09:492
1801803991411,1cyclictest0-21swapper/210:54:532
1801803991411,1cyclictest0-21swapper/210:54:532
1801803991411,1cyclictest0-21swapper/210:24:472
1801803991411,1cyclictest0-21swapper/210:11:302
1801803991411,1cyclictest0-21swapper/209:56:222
1801803991411,1cyclictest0-21swapper/209:39:062
1801803991411,1cyclictest0-21swapper/209:05:002
1801803991411,1cyclictest0-21swapper/208:49:582
1801803991411,1cyclictest0-21swapper/208:40:322
1801803991411,1cyclictest0-21swapper/207:49:452
1801803991411,1cyclictest0-21swapper/207:25:022
180180199148,1cyclictest501rcuop/212:35:111
180180199148,1cyclictest501rcuop/212:20:441
180180199148,1cyclictest501rcuop/211:51:541
180180199148,1cyclictest501rcuop/210:33:171
180180199148,1cyclictest501rcuop/210:15:051
180180199148,1cyclictest501rcuop/210:09:191
180180199143,5cyclictest0-21swapper/108:09:521
1801801991411,2cyclictest1801787-21cyclictest10:48:361
1801801991410,3cyclictest2027598-21kthreadcore09:44:521
1801801991410,3cyclictest1933089-21kthreadcore08:44:511
1801801991410,1cyclictest601rcuop/309:31:281
180179599143,6cyclictest0-21swapper/011:39:300
1801795991411,2cyclictest24472-21rtkit-daemon08:19:240
1801795991410,3cyclictest2303296-21kthreadcore12:19:510
1801795991410,3cyclictest1967321-21kthreadcore09:09:530
1801795991410,3cyclictest1940288-21kthreadcore08:49:530
1801795991410,3cyclictest1888841-21irqcore08:14:490
1801795991410,3cyclictest1864313-21kthreadcore07:54:530
1801795991410,3cyclictest1846530-21aten_repower_po07:44:410
2213291136,2phc2sys0-21swapper/311:06:173
2213291131,2phc2sys0-21swapper/311:54:293
2213291131,2phc2sys0-21swapper/307:34:303
2213291130,7phc2sys0-21swapper/312:29:313
2213291130,5phc2sys0-21swapper/310:44:293
2213291130,3phc2sys0-21swapper/311:36:313
2213291130,2phc2sys0-21swapper/311:23:313
2213291130,2phc2sys0-21swapper/310:19:403
180180399137,3cyclictest0-21swapper/208:23:092
180180399131,9cyclictest19220282sleep208:36:012
180180399131,6cyclictest0-21swapper/208:14:292
180180399131,6cyclictest0-21swapper/207:34:292
180180399131,5cyclictest0-21swapper/211:29:312
1801803991311,1cyclictest0-21swapper/208:30:032
1801803991311,1cyclictest0-21swapper/207:19:522
1801803991311,1cyclictest0-21swapper/207:15:032
1801803991310,1cyclictest0-21swapper/212:19:322
1801803991310,1cyclictest0-21swapper/211:55:462
1801803991310,1cyclictest0-21swapper/211:54:012
1801803991310,1cyclictest0-21swapper/211:50:012
1801803991310,1cyclictest0-21swapper/211:19:502
1801803991310,1cyclictest0-21swapper/210:30:382
1801803991310,1cyclictest0-21swapper/210:09:462
1801803991310,1cyclictest0-21swapper/209:16:082
1801803991310,1cyclictest0-21swapper/209:16:082
1801803991310,1cyclictest0-21swapper/207:29:532
180180399130,1cyclictest0-21swapper/208:04:292
180180199139,1cyclictest601rcuop/308:48:311
180180199139,1cyclictest601rcuop/308:20:581
2213291121,7phc2sys0-21swapper/310:54:303
2213291121,7phc2sys0-21swapper/310:54:303
2213291121,2phc2sys0-21swapper/308:50:013
2213291120,4phc2sys0-21swapper/309:49:293
2213291120,4phc2sys0-21swapper/308:54:293
2213291120,2phc2sys0-21swapper/310:30:353
2213291120,2phc2sys0-21swapper/310:07:583
2213291120,2phc2sys0-21swapper/309:11:253
2213291120,2phc2sys0-21swapper/307:36:383
180180399129,1cyclictest0-21swapper/212:34:492
180180399129,1cyclictest0-21swapper/209:33:372
180180399129,1cyclictest0-21swapper/208:18:522
180180399129,1cyclictest0-21swapper/207:50:122
180180399128,2cyclictest0-21swapper/211:33:562
180180399121,4cyclictest0-21swapper/208:59:292
180180199124,2cyclictest191rcu_preempt07:10:031
180179599126,4cyclictest1801993-21systemd07:10:030
2213291112,2phc2sys0-21swapper/312:20:153
2213291110,2phc2sys0-21swapper/312:16:213
2213291110,2phc2sys0-21swapper/311:10:323
2213291110,2phc2sys0-21swapper/309:29:023
2213291110,2phc2sys0-21swapper/308:24:303
2213291110,2phc2sys0-21swapper/307:12:023
2213291110,1phc2sys0-21swapper/311:00:253
2213291110,1phc2sys0-21swapper/311:00:253
2213291110,1phc2sys0-21swapper/309:56:483
2213291103,2phc2sys0-21swapper/312:00:103
2213291101,3phc2sys0-21swapper/308:09:293
2213291101,2phc2sys0-21swapper/310:49:473
2213291101,2phc2sys0-21swapper/307:09:533
2213291100,3phc2sys0-21swapper/310:39:563
2213291100,3phc2sys0-21swapper/308:39:303
2213291100,2phc2sys0-21swapper/312:34:303
2213291100,2phc2sys0-21swapper/309:36:183
2213291100,2phc2sys0-21swapper/309:18:303
2213291100,2phc2sys0-21swapper/309:18:303
2213291100,2phc2sys0-21swapper/308:34:543
221329191,3phc2sys0-21swapper/308:14:293
221329191,2phc2sys0-21swapper/307:49:453
221329190,2phc2sys0-21swapper/310:00:363
221329190,2phc2sys0-21swapper/309:09:533
221329190,2phc2sys0-21swapper/308:15:143
221329190,2phc2sys0-21swapper/307:57:343
221329190,2phc2sys0-21swapper/307:40:233
221329190,2phc2sys0-21swapper/307:24:573
221329190,2phc2sys0-21swapper/307:19:313
221329180,2phc2sys0-21swapper/309:00:593
221329180,2phc2sys0-21swapper/308:55:143
18018039986,1cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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