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2026-09-15 - 14:57
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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 Tue Sep 15, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
183993921860,2sleep30-21swapper/300:00:023
161613121050,2sleep30-21swapper/321:54:313
16816802370,2sleep20-21swapper/222:32:582
1370149992418,2cyclictest82050irq/121-eno122:30:011
1370148992314,5cyclictest1575914-21/usr/sbin/munin21:34:350
1370148992211,7cyclictest1720535-21kthreadcore22:54:300
1370149992117,3cyclictest24614-21JS14:54:061
137014899219,7cyclictest0-21swapper/022:09:060
137014999209,4cyclictest1653230-21unixbench_singl22:14:341
137014899209,7cyclictest1754381-21kthreadcore23:14:260
137014899208,7cyclictest0-21swapper/000:29:270
1370148992010,6cyclictest1573552-21runrttasks21:29:500
1370150991915,2cyclictest0-21swapper/220:35:112
1370149991916,2cyclictest24815-21gsd-power00:04:461
1370149991916,2cyclictest24648-21gmain21:42:231
1370149991914,4cyclictest24617-21JS14:54:061
137014899199,6cyclictest0-21swapper/022:14:330
137014899199,5cyclictest0-21swapper/021:53:590
1370148991916,2cyclictest813-21systemd-logind21:15:020
1370148991911,4cyclictest1820932-21grep23:49:310
1370148991911,4cyclictest1558679-21cstates21:24:240
2213291181,2phc2sys0-21swapper/323:11:373
2213291180,2phc2sys0-21swapper/323:18:543
2213291180,2phc2sys0-21swapper/300:04:163
1370150991815,1cyclictest0-21swapper/221:57:592
1370150991814,2cyclictest0-21swapper/221:27:452
1370150991813,3cyclictest0-21swapper/222:43:092
1370149991815,2cyclictest24604-21gnome-shell21:05:091
1370149991814,3cyclictest1703200-21kthreadcore22:44:291
137014999180,18cyclictest0-21swapper/122:57:501
137014999180,17cyclictest1558042-21ssh21:23:541
137014999180,17cyclictest0-21swapper/119:37:411
137014999180,17cyclictest0-21swapper/119:37:411
137014899188,5cyclictest0-21swapper/000:04:260
1370148991815,2cyclictest24472-21rtkit-daemon21:46:350
1370148991815,2cyclictest1899338-21cut00:34:270
1370148991814,3cyclictest1457281-21kthreadcore20:14:290
1370148991812,4cyclictest24615-21JS14:54:060
15246742170,2sleep30-21swapper/321:00:033
1370150991714,1cyclictest0-21swapper/200:23:172
137014999179,3cyclictest1602964-21cpuspeed_turbos21:49:231
137014999178,4cyclictest0-21swapper/122:19:171
1370149991714,2cyclictest24610-21gmain22:05:571
1370149991714,2cyclictest1394532-21fschecks_time19:29:251
137014999171,10cyclictest778-21dbus-daemon20:50:031
137014999170,3cyclictest1584237-21ssh21:37:591
137014899179,7cyclictest0-21swapper/023:40:010
137014899177,5cyclictest0-21swapper/020:40:010
137014899176,2cyclictest0-21swapper/022:44:050
137014899175,2cyclictest0-21swapper/023:42:540
1370148991710,6cyclictest1863816-21kthreadcore00:14:280
2447398160,2rtkit-daemon0-21swapper/119:24:441
2213291166,3phc2sys0-21swapper/319:24:303
2213291160,4phc2sys0-21swapper/319:49:073
2213291160,2phc2sys0-21swapper/322:56:233
2213291160,2phc2sys0-21swapper/322:08:553
2213291160,1phc2sys0-21swapper/321:42:093
137015099169,4cyclictest0-21swapper/221:49:252
137015099163,3cyclictest1868874-21taskset00:14:562
1370150991614,1cyclictest0-21swapper/221:45:012
1370150991613,1cyclictest0-21swapper/223:54:342
1370150991613,1cyclictest0-21swapper/223:09:412
1370150991612,2cyclictest0-21swapper/223:20:092
1370150991612,2cyclictest0-21swapper/219:14:342
1370149991613,2cyclictest24472-21rtkit-daemon23:26:191
1370149991613,2cyclictest1890166-21irqcore00:29:281
1370149991613,2cyclictest1796173-21sshd-auth23:36:381
1370149991613,2cyclictest1743989-21/usr/sbin/munin23:09:341
1370149991612,3cyclictest1821110-21ptp4l23:49:331
1370149991612,3cyclictest1625621-21kthreadcore21:59:321
1370149991612,3cyclictest1512533-21kthreadcore20:54:271
1370149991612,3cyclictest1383491-21kthreadcore19:19:301
1370149991610,4cyclictest1812921-21cut23:45:011
137014899168,7cyclictest0-21swapper/000:09:060
137014899168,6cyclictest191rcu_preempt23:01:270
137014899167,5cyclictest1731902-21kthreadcore22:59:320
137014899166,6cyclictest0-21swapper/019:14:260
137014899164,7cyclictest1712446-21cut22:49:290
137014899163,8cyclictest0-21swapper/020:34:110
1370148991613,2cyclictest1744907-21gltestperf23:09:240
1370148991613,2cyclictest1476017-21idleruntime-cro20:25:000
1370148991612,3cyclictest1594020-21cpuspeed_turbos21:44:230
1370148991612,3cyclictest1501295-21kthreadcore20:44:300
2213291150,3phc2sys0-21swapper/322:32:563
2213291150,2phc2sys0-21swapper/320:05:103
17269852150,2sleep20-21swapper/222:59:242
1370150991513,1cyclictest0-21swapper/200:30:032
1370150991512,1cyclictest0-21swapper/222:54:292
1370150991512,1cyclictest0-21swapper/222:49:262
1370150991512,1cyclictest0-21swapper/222:29:272
1370150991512,1cyclictest0-21swapper/222:08:462
1370150991512,1cyclictest0-21swapper/221:08:252
1370150991512,1cyclictest0-21swapper/220:09:252
1370150991512,1cyclictest0-21swapper/219:10:022
1370150991512,1cyclictest0-21swapper/200:09:572
1370150991511,2cyclictest0-21swapper/223:45:032
1370150991510,3cyclictest0-21swapper/223:19:162
137015099150,5cyclictest1427684-21taskset19:49:562
137014999153,8cyclictest1441731-21kworker/u16:2+xprtiod00:17:061
1370149991512,2cyclictest975-21in:imuxsock19:30:521
1370149991512,2cyclictest24615-21JS14:54:061
1370149991512,2cyclictest1913585-21cron00:40:001
1370149991512,2cyclictest1759746-21latency_hist23:15:011
1370149991512,2cyclictest1428615-21sort19:54:241
1370149991512,2cyclictest1370146-21cyclictest20:09:251
137014999151,13cyclictest1862301-21/usr/sbin/munin00:14:261
1370149991511,3cyclictest1833744-21sh23:59:251
1370149991511,3cyclictest1738563-21kthreadcore23:04:291
1370149991511,3cyclictest1712043-21kthreadcore22:49:291
1370149991511,3cyclictest1692609-21kthreadcore22:39:281
1370149991511,3cyclictest1680977-21kworker/u16:3+nfsiod23:16:221
1370149991511,3cyclictest1666539-21kthreadcore22:24:271
1370149991511,3cyclictest1552985-21kthreadcore21:19:301
1370149991511,3cyclictest1478576-21kthreadcore20:29:291
1370149991511,3cyclictest1441731-21kworker/u16:2+nfsiod23:22:411
1370149991511,3cyclictest1437382-21kthreadcore19:59:301
137014999150,8cyclictest1716236-21ssh22:50:561
137014899158,6cyclictest0-21swapper/022:30:300
137014899158,5cyclictest1669850-21cut22:24:290
137014899156,5cyclictest0-21swapper/023:55:010
137014899156,4cyclictest0-21swapper/022:04:010
137014899156,4cyclictest0-21swapper/000:16:090
137014899155,8cyclictest1675764-21cut22:29:300
137014899152,4cyclictest82050irq/121-eno100:39:070
1370148991513,1cyclictest1441604-21systemd-run20:00:020
1370148991512,2cyclictest61901-21gmain21:03:460
1370148991512,2cyclictest24619-21llvmpipe-121:06:590
1370148991512,2cyclictest1586227-21kthreadcore21:39:290
1370148991512,2cyclictest1415293-21gltestperf19:44:250
1370148991512,2cyclictest1188-21runrttasks21:19:240
1370148991511,3cyclictest1831436-21kworker/u16:3+nfsiod23:58:520
1370148991511,3cyclictest1776574-21pmu-power23:24:320
1370148991511,3cyclictest1764817-21kthreadcore23:19:320
1370148991511,3cyclictest1479132-21kthreadcore20:29:300
1370148991511,3cyclictest1466722-21kthreadcore20:19:290
1370148991511,3cyclictest1443211-21irqcore20:04:280
1370148991511,3cyclictest1403898-21kthreadcore19:34:280
1370148991511,3cyclictest1392262-21kthreadcore19:24:310
2447398140,6rtkit-daemon24648-21gmain20:50:030
2213291141,3phc2sys0-21swapper/320:14:073
2213291140,3phc2sys0-21swapper/322:14:053
2213291140,3phc2sys0-21swapper/320:49:063
2213291140,2phc2sys0-21swapper/323:50:113
2213291140,2phc2sys0-21swapper/322:16:443
2213291140,2phc2sys0-21swapper/320:44:163
2213291140,2phc2sys0-21swapper/320:37:313
2213291140,2phc2sys0-21swapper/300:19:243
2213291140,2phc2sys0-21swapper/300:10:203
137015099145,4cyclictest0-21swapper/222:04:072
137015099143,8cyclictest17791162sleep223:28:112
137015099141,7cyclictest16466952sleep222:13:472
137015099141,7cyclictest0-21swapper/200:39:072
1370150991412,1cyclictest0-21swapper/220:05:012
1370150991411,2cyclictest0-21swapper/200:34:272
1370150991411,1cyclictest0-21swapper/223:59:342
1370150991411,1cyclictest0-21swapper/223:14:142
1370150991411,1cyclictest0-21swapper/222:35:112
1370150991411,1cyclictest0-21swapper/222:24:302
1370150991411,1cyclictest0-21swapper/221:25:022
1370150991411,1cyclictest0-21swapper/221:19:352
1370150991411,1cyclictest0-21swapper/220:59:302
1370150991411,1cyclictest0-21swapper/220:53:282
1370150991411,1cyclictest0-21swapper/220:20:012
1370150991411,1cyclictest0-21swapper/220:14:322
1370150991411,1cyclictest0-21swapper/219:54:282
1370150991411,1cyclictest0-21swapper/219:25:012
1370150991411,1cyclictest0-21swapper/200:18:582
1370150991411,1cyclictest0-21swapper/200:04:242
1370150991410,2cyclictest0-21swapper/220:34:312
1370150991410,2cyclictest0-21swapper/220:29:312
1370150991410,2cyclictest0-21swapper/219:34:282
137014999147,5cyclictest1011-21gdbus21:15:021
137014999144,6cyclictest1904954-21latency_hist00:35:031
1370149991411,2cyclictest24617-21JS14:54:061
1370149991411,2cyclictest1630612-21sed22:04:291
1370149991411,2cyclictest1614505-21kthreadcore21:54:301
1370149991411,2cyclictest1427023-21needreboot19:49:311
1370149991411,2cyclictest1-21systemd20:40:011
1370149991410,3cyclictest1856502-21kthreadcore00:09:311
1370149991410,3cyclictest1680977-21kworker/u16:3+nfsiod22:32:191
1370149991410,3cyclictest1527511-21kthreadcore21:04:281
1370149991410,3cyclictest1523742-21phc2sys-jitter20:59:341
1370149991410,3cyclictest1501881-21kthreadcore20:44:301
1370149991410,3cyclictest1484760-21irqrtprio20:34:291
1370149991410,3cyclictest1470808-21irqcore20:24:271
1370149991410,3cyclictest1466315-21kthreadcore20:19:281
1370149991410,3cyclictest1445705-21kthreadcore20:04:301
1370149991410,3cyclictest1441731-21kworker/u16:2+nfsiod21:25:211
1370149991410,3cyclictest1371811-21irqcore19:14:281
137014899149,4cyclictest1636291-21kworker/u16:1-events_unbound22:15:520
137014899146,6cyclictest376-21systemd-journal22:35:260
137014899145,5cyclictest1779840-21aten2.4-expect23:29:200
1370148991411,2cyclictest1394554-21fschecks_time19:29:250
1370148991410,3cyclictest932-1atopacctd19:15:040
1370148991410,3cyclictest1831436-21kworker/u16:3+nfsiod00:23:350
1370148991410,3cyclictest1519274-21irqrtprio20:59:290
1370148991410,3cyclictest1517481-21kworker/u16:3+nfsiod21:55:480
1370148991410,3cyclictest1507351-21kthreadcore20:49:290
137014899140,9cyclictest1422523-21sed19:49:270
2213291130,3phc2sys0-21swapper/323:09:053
2213291130,2phc2sys0-21swapper/323:03:093
2213291130,2phc2sys0-21swapper/322:01:003
2213291130,2phc2sys0-21swapper/321:13:233
2213291130,2phc2sys0-21swapper/320:22:173
2213291130,2phc2sys0-21swapper/300:33:273
2213291130,1phc2sys0-21swapper/322:28:383
2213291130,1phc2sys0-21swapper/321:18:363
137015099139,2cyclictest0-21swapper/221:14:282
137015099139,2cyclictest0-21swapper/220:49:272
137015099131,6cyclictest0-21swapper/222:19:072
137015099131,6cyclictest0-21swapper/220:24:062
137015099131,3cyclictest0-21swapper/223:34:062
1370150991311,1cyclictest0-21swapper/223:49:292
1370150991311,1cyclictest0-21swapper/221:33:402
1370150991310,1cyclictest0-21swapper/223:36:072
1370150991310,1cyclictest0-21swapper/221:51:282
1370150991310,1cyclictest0-21swapper/221:39:352
1370150991310,1cyclictest0-21swapper/221:04:332
1370150991310,1cyclictest0-21swapper/220:43:282
1370150991310,1cyclictest0-21swapper/219:44:252
1370150991310,1cyclictest0-21swapper/219:39:312
1370150991310,1cyclictest0-21swapper/219:39:312
1370150991310,1cyclictest0-21swapper/219:19:292
137014999139,3cyclictest1415928-21kthreadcore19:44:281
1370149991310,2cyclictest1825860-21kthreadcore23:54:271
137014899139,3cyclictest1450318-21irqrtprio20:09:290
137014899139,3cyclictest1407869-21aten_repower_vo19:39:220
137014899139,3cyclictest1407869-21aten_repower_vo19:39:220
137014899133,8cyclictest1786614-1ssh23:30:160
13637832131,6sleep30-21swapper/319:09:063
2213291124,2phc2sys0-21swapper/323:43:323
2213291120,4phc2sys0-21swapper/323:34:063
2213291120,2phc2sys0-21swapper/322:51:373
2213291120,2phc2sys0-21swapper/322:21:593
2213291120,2phc2sys0-21swapper/321:45:543
2213291120,2phc2sys0-21swapper/321:37:483
2213291120,2phc2sys0-21swapper/321:24:093
2213291120,2phc2sys0-21swapper/319:25:293
137015099129,1cyclictest0-21swapper/219:58:312
1370150991210,1cyclictest0-21swapper/219:30:012
137014899121,5cyclictest1370259-21cat19:10:020
2213291111,2phc2sys0-21swapper/323:46:533
2213291111,2phc2sys0-21swapper/323:30:013
2213291111,2phc2sys0-21swapper/321:34:283
2213291110,4phc2sys0-21swapper/300:24:043
2213291110,2phc2sys0-21swapper/322:39:063
2213291110,1phc2sys0-21swapper/323:22:313
137015099119,1cyclictest0-21swapper/223:00:472
2213291103,1phc2sys0-21swapper/321:05:543
2213291101,3phc2sys0-21swapper/323:38:073
2213291101,2phc2sys0-21swapper/322:44:233
2213291101,2phc2sys0-21swapper/320:34:073
2213291101,2phc2sys0-21swapper/319:45:023
2213291101,2phc2sys0-21swapper/319:19:093
2213291100,3phc2sys0-21swapper/319:12:483
2213291100,2phc2sys0-21swapper/322:46:203
2213291100,2phc2sys0-21swapper/321:57:003
2213291100,2phc2sys0-21swapper/300:36:113
2213291100,2phc2sys0-21swapper/300:26:173
221329191,4phc2sys0-21swapper/319:34:063
221329191,2phc2sys0-21swapper/319:59:083
221329190,2phc2sys0-21swapper/321:26:223
221329190,2phc2sys0-21swapper/321:01:293
221329190,2phc2sys0-21swapper/320:54:353
221329190,2phc2sys0-21swapper/320:25:543
221329190,2phc2sys0-21swapper/320:04:573
221329190,2phc2sys0-21swapper/319:39:093
221329190,2phc2sys0-21swapper/319:39:093
221329190,2phc2sys0-21swapper/300:05:413
13701499991,6cyclictest1-21systemd19:10:011
221329181,2phc2sys0-21swapper/320:18:323
221329181,2phc2sys0-21swapper/319:50:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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