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2025-09-16 - 09:04
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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 Tue Sep 16, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
124162121020,1sleep00-21swapper/021:54:410
10759422320,1sleep00-21swapper/019:59:350
1014789992915,9cyclictest0-21swapper/000:10:010
101478999274,20cyclictest1339525-21unin-run22:50:020
1014789992717,6cyclictest1389067-21kthreadcore23:19:350
101478999259,11cyclictest1304172-21/usr/sbin/munin22:30:010
101478999256,14cyclictest0-21swapper/022:23:500
101478999252,10cyclictest1162892-21diskmemload21:11:230
1014789992512,12cyclictest1457636-21cstates23:59:300
101478999251,14cyclictest1357630-21taskset23:00:190
101478999251,13cyclictest1367105-21ssh23:06:040
1014789992510,13cyclictest0-21swapper/000:34:330
101478999250,14cyclictest1321051-21python322:39:410
1014789992415,8cyclictest1348309-21sh22:55:010
101478999241,17cyclictest1304370-21taskset22:30:050
101478999241,13cyclictest1500104-21runrttasks00:22:350
101478999241,12cyclictest1224998-21systemd-run21:45:010
101478999241,12cyclictest1066227-21taskset19:52:550
101478999241,12cyclictest0-21swapper/021:19:350
101478999240,19cyclictest1182921-21sh21:23:100
101478999240,14cyclictest1508462-21taskset00:26:470
101478999240,14cyclictest1395354-21taskset23:23:590
101478999240,14cyclictest1270057-21ssh22:11:360
101478999240,14cyclictest1053640-21taskset19:40:130
101478999240,13cyclictest2004-21runrttasks00:15:540
101478999240,13cyclictest1463930-21taskset00:01:020
101478999240,13cyclictest1162892-21diskmemload21:45:450
101478999240,12cyclictest1243112-21sh21:55:440
101478999234,10cyclictest1252295-21sh22:01:150
101478999232,11cyclictest0-21swapper/000:35:040
101478999232,11cyclictest0-21swapper/000:35:040
101478999231,17cyclictest1447104-21taskset23:52:210
101478999231,12cyclictest1402261-21ssh23:25:590
101478999231,12cyclictest1132641-21taskset20:45:090
101478999230,2cyclictest771469-21kworker/u16:1+rpciod22:41:570
101478999230,1cyclictest1225318-21kworker/u16:2+rpciod22:07:460
101478999230,18cyclictest1208769-21seq21:37:100
101478999230,18cyclictest1023574-21taskset19:18:050
101478999230,18cyclictest1015079-21taskset19:10:390
101478999230,14cyclictest1420832-21taskset23:37:300
101478999230,13cyclictest2004-21runrttasks22:15:470
101478999230,13cyclictest2004-21runrttasks20:03:100
101478999230,13cyclictest1481833-21taskset00:11:280
101478999230,13cyclictest1437936-21taskset23:46:480
101478999230,13cyclictest1429033-21taskset23:41:350
101478999230,13cyclictest1429033-21taskset23:41:350
101478999230,13cyclictest1377789-21taskset23:14:010
101478999230,13cyclictest1351067-21sh22:59:050
101478999230,13cyclictest1198682-21taskset21:30:130
101478999230,13cyclictest1189986-21taskset21:25:180
101478999230,13cyclictest1189986-21taskset21:25:180
101478999230,13cyclictest1157381-21taskset21:07:410
101478999230,13cyclictest1145141-21taskset20:56:270
101478999230,13cyclictest1126719-21taskset20:42:010
101478999230,13cyclictest1126227-21taskset20:39:560
101478999230,13cyclictest1114473-21taskset20:30:380
101478999230,13cyclictest1108424-21taskset20:25:370
101478999230,13cyclictest1102382-21taskset20:20:400
101478999230,13cyclictest1096323-21taskset20:16:070
101478999230,13cyclictest1090434-21taskset20:13:070
101478999230,13cyclictest1047758-21taskset19:37:200
101478999230,13cyclictest1035598-21taskset19:26:100
101478999230,13cyclictest1029481-21taskset19:20:210
101478999230,12cyclictest1412141-21ssh23:32:450
1014797992214,5cyclictest0-21swapper/222:40:012
101478999221,16cyclictest1138974-21taskset20:50:460
101478999221,16cyclictest1084183-21taskset20:05:380
101478999221,16cyclictest1059924-21taskset19:45:060
101478999221,16cyclictest1041800-21taskset19:33:200
101478999220,12cyclictest1151420-21/usr/sbin/munin21:04:410
2555591200,2phc2sys0-21swapper/322:14:383
1014797992018,1cyclictest0-21swapper/200:00:022
1014797992017,1cyclictest0-21swapper/221:20:012
101479799201,13cyclictest0-21swapper/200:20:012
1014793992017,2cyclictest1703-21in:imuxsock22:35:001
1014793992014,5cyclictest1077629-21unixbench-2d19:59:411
2555591190,2phc2sys0-21swapper/322:40:273
2555591190,2phc2sys0-21swapper/321:39:343
13032412190,1sleep20-21swapper/222:29:382
1014793991916,2cyclictest1715-21systemd-logind22:20:021
1014793991916,2cyclictest1260336-21diskmemload22:05:021
1014793991913,5cyclictest1157291-21sshd21:06:371
1014793991913,2cyclictest1392570-21latency_hist23:20:021
1014797991815,1cyclictest0-21swapper/222:50:012
1014797991815,1cyclictest0-21swapper/221:39:402
1014793991815,2cyclictest1445479-21/usr/sbin/munin23:50:011
1014793991814,3cyclictest1081874-21kthreadcore20:04:381
1014793991814,3cyclictest1037628-21runrttasks19:29:341
2555591170,2phc2sys0-21swapper/322:47:283
2555591170,2phc2sys0-21swapper/300:34:083
1014797991715,1cyclictest0-21swapper/223:40:012
1014797991714,1cyclictest0-21swapper/223:05:002
1014797991714,1cyclictest0-21swapper/222:45:012
1014797991714,1cyclictest0-21swapper/220:50:002
1014797991714,1cyclictest0-21swapper/220:20:012
1014797991714,1cyclictest0-21swapper/219:34:352
101479399174,11cyclictest176650irq/121-eno100:29:281
1014793991714,2cyclictest2004-21runrttasks22:27:271
1014793991714,2cyclictest1289546-21tail22:24:271
1014793991714,2cyclictest1132355-21dump-pmu-power20:45:001
1014793991714,2cyclictest1126415-21sh20:40:011
1014793991714,2cyclictest0-21swapper/122:55:001
1014793991714,2cyclictest0-21swapper/122:10:001
1014793991713,1cyclictest176650irq/121-eno122:14:301
1014793991710,3cyclictest1337058-21kthreadcore22:49:361
2555591160,2phc2sys0-21swapper/322:19:563
2555591160,2phc2sys0-21swapper/300:06:143
1014797991614,1cyclictest0-21swapper/222:55:022
1014797991613,2cyclictest0-21swapper/223:49:402
1014797991613,1cyclictest0-21swapper/222:17:122
1014797991613,1cyclictest0-21swapper/221:59:322
1014797991613,1cyclictest0-21swapper/221:49:372
1014797991613,1cyclictest0-21swapper/221:24:392
1014797991613,1cyclictest0-21swapper/220:30:012
1014797991613,1cyclictest0-21swapper/200:40:012
1014797991613,1cyclictest0-21swapper/200:40:012
101479399169,3cyclictest1520282-21kthreadcore00:34:361
101479399167,4cyclictest1395590-21/usr/sbin/munin23:24:331
101479399163,5cyclictest1452734-21kthreadcore23:54:351
1014793991613,2cyclictest1646-1atopacctd23:44:341
1014793991613,2cyclictest1646-1atopacctd23:44:341
1014793991613,2cyclictest1633-21dbus-daemon19:20:011
1014793991613,2cyclictest1200548-21runrttasks21:33:091
1014793991613,2cyclictest1192922-21tr21:29:301
1014793991613,2cyclictest1192922-21tr21:29:301
1014793991613,2cyclictest1189695-21latency_hist21:25:011
1014793991613,2cyclictest1021262-21latency19:15:021
1014793991613,2cyclictest0-21swapper/123:05:001
1014793991612,3cyclictest1108337-21true20:25:021
2555591150,3phc2sys0-21swapper/323:52:273
2555591150,2phc2sys0-21swapper/323:58:193
2555591150,2phc2sys0-21swapper/323:49:403
2555591150,2phc2sys0-21swapper/323:32:493
2555591150,2phc2sys0-21swapper/323:03:203
2555591150,2phc2sys0-21swapper/322:00:443
2555591150,2phc2sys0-21swapper/321:49:123
2555591150,2phc2sys0-21swapper/321:26:523
2555591150,2phc2sys0-21swapper/321:26:523
2555591150,2phc2sys0-21swapper/300:35:223
2555591150,2phc2sys0-21swapper/300:35:223
2555591150,2phc2sys0-21swapper/300:22:363
1014797991513,1cyclictest0-21swapper/222:34:362
1014797991513,1cyclictest0-21swapper/221:10:012
1014797991513,1cyclictest0-21swapper/219:15:012
1014797991512,1cyclictest0-21swapper/223:24:392
1014797991512,1cyclictest0-21swapper/222:24:392
1014797991512,1cyclictest0-21swapper/222:04:392
1014797991512,1cyclictest0-21swapper/221:54:342
1014797991512,1cyclictest0-21swapper/221:14:382
1014797991512,1cyclictest0-21swapper/221:05:002
1014797991512,1cyclictest0-21swapper/221:00:012
1014797991512,1cyclictest0-21swapper/220:06:562
1014797991512,1cyclictest0-21swapper/200:34:322
1014797991512,1cyclictest0-21swapper/200:09:312
101479399158,2cyclictest11systemd19:55:001
101479399157,3cyclictest1504886-21kthreadcore00:24:341
101479399157,3cyclictest0-21swapper/122:56:371
101479399154,3cyclictest1246850-21kthreadcore21:59:381
1014793991512,2cyclictest7977-21rtkit-daemon20:57:001
1014793991512,2cyclictest7977-21rtkit-daemon20:08:221
1014793991512,2cyclictest2004-21runrttasks23:34:081
1014793991512,2cyclictest1725-21wpa_supplicant21:40:041
1014793991512,2cyclictest1610-21gmain21:55:011
1014793991512,2cyclictest1463228-21systemd-run00:00:031
1014793991512,2cyclictest1422829-21gltestperf23:39:331
1014793991512,2cyclictest1383042-21mailstats23:14:391
1014793991512,2cyclictest1174998-21diskmemload21:19:271
1014793991512,2cyclictest1171859-21latency_hist21:15:011
1014793991511,3cyclictest1401587-21kworker/u16:1+nfsiod23:27:131
1014793991511,3cyclictest1150983-21kworker/u16:3+nfsiod21:46:411
2555591140,3phc2sys0-21swapper/323:36:353
2555591140,2phc2sys0-21swapper/322:51:373
2555591140,2phc2sys0-21swapper/321:57:093
2555591140,1phc2sys0-21swapper/321:40:133
2555591140,1phc2sys0-21swapper/321:33:493
1014797991412,1cyclictest0-21swapper/221:30:012
1014797991412,1cyclictest0-21swapper/221:30:012
1014797991412,1cyclictest0-21swapper/220:04:412
1014797991412,1cyclictest0-21swapper/219:39:372
1014797991412,1cyclictest0-21swapper/219:15:032
1014797991411,2cyclictest0-21swapper/221:34:332
1014797991411,1cyclictest0-21swapper/223:41:002
1014797991411,1cyclictest0-21swapper/223:41:002
1014797991411,1cyclictest0-21swapper/223:29:312
1014797991411,1cyclictest0-21swapper/223:14:362
1014797991411,1cyclictest0-21swapper/223:06:582
1014797991411,1cyclictest0-21swapper/222:14:412
1014797991411,1cyclictest0-21swapper/221:45:012
1014797991411,1cyclictest0-21swapper/220:43:402
1014797991411,1cyclictest0-21swapper/220:39:312
1014797991411,1cyclictest0-21swapper/220:25:012
1014797991411,1cyclictest0-21swapper/219:44:352
1014797991411,1cyclictest0-21swapper/200:04:372
1014797991410,2cyclictest1067661-21taskset19:54:322
1014797991410,2cyclictest0-21swapper/219:59:352
1014797991410,2cyclictest0-21swapper/200:29:312
1014797991410,1cyclictest0-21swapper/223:16:072
101479399148,5cyclictest1428087-21kworker/u16:0-events_unbound00:02:311
101479399145,2cyclictest491rcuog/220:14:341
101479399144,5cyclictest1482864-21diskmemload00:13:081
101479399141,4cyclictest1646-1atopacctd23:05:561
1014793991412,1cyclictest1047265-21cron19:35:001
1014793991412,1cyclictest0-21swapper/100:40:011
1014793991412,1cyclictest0-21swapper/100:40:011
1014793991411,2cyclictest2021-21snmpd21:39:011
1014793991411,2cyclictest1152174-21cut21:04:301
1014793991411,2cyclictest1138439-21apt-key20:50:001
1014793991411,2cyclictest1053432-21latency_hist19:40:011
1014793991410,3cyclictest1316835-21irqcore22:39:341
1014793991410,3cyclictest1109452-21gltestperf20:29:281
101478999140,5cyclictest1014812-21latency_hist19:10:010
2555591130,2phc2sys0-21swapper/323:21:543
2555591130,2phc2sys0-21swapper/323:07:163
2555591130,2phc2sys0-21swapper/322:31:063
2555591130,1phc2sys0-21swapper/322:58:023
1014797991311,1cyclictest0-21swapper/223:54:332
1014797991311,1cyclictest0-21swapper/222:09:372
1014797991310,1cyclictest0-21swapper/223:30:192
1014797991310,1cyclictest0-21swapper/220:34:352
1014797991310,1cyclictest0-21swapper/220:14:332
1014797991310,1cyclictest0-21swapper/219:49:342
1014797991310,1cyclictest0-21swapper/200:14:342
101479399139,3cyclictest1646-1atopacctd19:49:341
101479399136,5cyclictest176650irq/121-eno122:40:261
1014793991310,2cyclictest674431-21kworker/u16:2-events_power_efficient19:10:011
1014793991310,2cyclictest1114864-21head20:34:291
1014793991310,2cyclictest1097140-21sh20:19:281
1014793991310,2cyclictest1031127-21kthreadcore19:24:351
1014793991310,2cyclictest1014784-21cyclictest00:08:451
1014793991310,2cyclictest0-21swapper/120:55:001
1014793991310,2cyclictest0-21swapper/100:20:001
101479399130,8cyclictest1059574-21cat19:45:011
2555591123,2phc2sys0-21swapper/323:29:363
2555591123,2phc2sys0-21swapper/321:54:553
2555591123,2phc2sys0-21swapper/321:11:293
2555591121,2phc2sys0-21swapper/319:09:273
2555591120,2phc2sys0-21swapper/323:40:423
2555591120,2phc2sys0-21swapper/323:40:423
2555591120,2phc2sys0-21swapper/300:29:273
2555591120,1phc2sys0-21swapper/322:39:563
2555591120,1phc2sys0-21swapper/321:04:443
101479799129,1cyclictest0-21swapper/220:54:342
101479799129,1cyclictest0-21swapper/219:26:362
1014797991210,1cyclictest0-21swapper/219:10:022
1014797991210,1cyclictest0-21swapper/200:24:332
2555591112,2phc2sys0-21swapper/323:17:383
2555591111,2phc2sys0-21swapper/323:14:493
2555591111,2phc2sys0-21swapper/319:45:023
2555591110,2phc2sys0-21swapper/322:06:513
2555591110,2phc2sys0-21swapper/320:54:103
2555591110,2phc2sys0-21swapper/319:59:283
2555591110,2phc2sys0-21swapper/319:34:403
2555591110,2phc2sys0-21swapper/300:12:563
2555591110,2phc2sys0-21swapper/300:00:343
101479799119,1cyclictest0-21swapper/222:56:312
101479799111,6cyclictest0-21swapper/219:24:292
2555591101,2phc2sys0-21swapper/322:28:523
2555591101,2phc2sys0-21swapper/320:09:303
2555591101,2phc2sys0-21swapper/319:52:513
2555591101,2phc2sys0-21swapper/319:20:013
2555591100,4phc2sys0-21swapper/321:20:343
2555591100,4phc2sys0-21swapper/319:24:293
2555591100,2phc2sys0-21swapper/322:21:353
2555591100,2phc2sys0-21swapper/320:50:013
2555591100,2phc2sys0-21swapper/320:28:133
2555591100,2phc2sys0-21swapper/320:05:013
2555591100,2phc2sys0-21swapper/319:14:283
255559191,2phc2sys0-21swapper/321:16:263
255559191,2phc2sys0-21swapper/320:59:313
255559191,2phc2sys0-21swapper/300:15:083
255559190,6phc2sys1157443-21chrt21:08:313
255559190,3phc2sys0-21swapper/320:24:293
255559190,2phc2sys0-21swapper/320:44:283
255559190,2phc2sys0-21swapper/320:38:183
255559190,2phc2sys0-21swapper/320:33:333
255559190,2phc2sys0-21swapper/320:19:283
255559190,2phc2sys0-21swapper/320:14:273
255559190,2phc2sys0-21swapper/319:45:343
255559190,2phc2sys0-21swapper/319:39:373
255559180,2phc2sys0-21swapper/319:25:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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