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2026-05-21 - 07:38
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Thu May 21, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
148464821620,3sleep30-21swapper/300:20:063
10849162970,1sleep01084919-21cut19:44:590
13978272700,1sleep01397825-21ssh23:24:070
1044679992926,2cyclictest0-21swapper/119:40:011
1044678992617,8cyclictest0-21swapper/023:00:010
1044678992614,4cyclictest1451847-21ssh00:00:010
1044679992522,2cyclictest1444165-21aten_repower_vo23:55:011
1044679992420,2cyclictest0-21swapper/122:30:011
1044678992416,6cyclictest1497172-21/usr/sbin/munin00:30:030
1044679992320,2cyclictest1398515-21cpuspeed23:25:001
1044678992320,2cyclictest1375593-21cpu23:10:010
1044678992320,2cyclictest1199798-21latency_hist21:15:000
13907612220,2sleep10-21swapper/123:19:591
1044680992219,1cyclictest0-21swapper/221:50:012
1044679992220,1cyclictest1223252-21apt21:30:011
1044679992219,2cyclictest0-21swapper/100:30:021
1044678992219,2cyclictest1091764-21fschecks_count19:50:010
1044678992215,5cyclictest1494349-21kthreadcore00:25:070
2649091210,2phc2sys0-21swapper/322:45:033
1044680992118,1cyclictest0-21swapper/223:30:012
1044680992118,1cyclictest0-21swapper/200:20:002
1044680992118,1cyclictest0-21swapper/200:00:012
1044679992119,1cyclictest0-21swapper/120:10:021
1044679992113,3cyclictest0-21swapper/122:55:001
1044679992113,3cyclictest0-21swapper/122:55:001
1044678992118,2cyclictest1290-21dbus-daemon22:10:000
1044678992116,2cyclictest1-21systemd21:00:010
104467899210,10cyclictest1231706-21sed21:35:080
2649091200,2phc2sys0-21swapper/320:25:073
1044680992017,1cyclictest0-21swapper/223:05:102
1044680992017,1cyclictest0-21swapper/221:25:002
1044680992017,1cyclictest0-21swapper/220:30:012
1044679992017,2cyclictest1261541-21fschecks_count21:55:021
1044679992017,2cyclictest1198073-21grep21:10:151
1044679992017,2cyclictest0-21swapper/121:05:011
1044679992017,2cyclictest0-21swapper/120:40:001
1044679992014,2cyclictest134050irq/121-eno122:40:071
1044679992013,5cyclictest0-21swapper/120:30:011
1044679992013,2cyclictest0-21swapper/100:00:011
1044679992012,3cyclictest1211554-21kthreadcore21:20:081
1044679992012,3cyclictest0-21swapper/100:05:121
1044679992012,3cyclictest0-21swapper/100:05:121
1044678992017,2cyclictest1483000-21latency_hist00:20:030
1044678992017,2cyclictest1406160-21latency_hist23:30:010
1044678992017,2cyclictest1208015-21grep21:20:020
1044678992012,7cyclictest3841370-21avahi-daemon22:50:010
1044678992011,7cyclictest1460771-21kthreadcore00:05:080
1044678992011,7cyclictest1460771-21kthreadcore00:05:070
104467899200,9cyclictest1215953-21fschecks_count21:25:020
104467899200,3cyclictest1367233-21ssh23:03:460
1044680991917,1cyclictest0-21swapper/221:55:012
1044680991917,1cyclictest0-21swapper/219:15:012
1044679991917,1cyclictest0-21swapper/119:55:001
1044679991916,2cyclictest1512999-21cstates00:40:011
1044679991916,2cyclictest1291441-21wc22:15:001
1044679991916,2cyclictest1290-21dbus-daemon20:35:011
1044679991916,2cyclictest1060244-21tr19:25:011
1044679991915,3cyclictest1283925-21cpu22:10:001
1044679991914,3cyclictest1368418-21systemd-run23:05:021
1044679991913,2cyclictest134050irq/121-eno121:35:091
1044679991913,2cyclictest134050irq/121-eno120:00:011
1044678991916,2cyclictest1505750-21fschecks_time00:35:030
1044678991916,2cyclictest1291625-21tr22:15:000
1044678991916,2cyclictest1290-21dbus-daemon22:20:000
1044678991916,2cyclictest1066722-21entropy19:30:010
1044678991915,3cyclictest1306884-21sh22:25:020
1044678991915,2cyclictest0-21swapper/022:00:010
1044678991910,8cyclictest0-21swapper/023:45:000
1044678991910,7cyclictest0-21swapper/022:54:590
1044678991910,7cyclictest0-21swapper/022:54:580
1044680991816,1cyclictest0-21swapper/223:55:012
1044680991816,1cyclictest0-21swapper/223:40:012
1044680991816,1cyclictest0-21swapper/220:25:012
1044680991815,1cyclictest0-21swapper/223:20:022
1044680991815,1cyclictest0-21swapper/222:50:012
1044680991815,1cyclictest0-21swapper/222:40:022
1044680991815,1cyclictest0-21swapper/222:30:012
1044680991814,2cyclictest0-21swapper/221:57:322
104467999189,2cyclictest0-21swapper/123:35:001
1044679991815,2cyclictest1045523-21kthreadcore19:10:011
1044679991815,2cyclictest0-21swapper/122:50:001
1044679991815,2cyclictest0-21swapper/121:50:001
1044679991814,3cyclictest3824565-21in:imuxsock19:45:001
1044679991814,2cyclictest0-21swapper/119:30:011
104467899189,3cyclictest1110148-21date20:05:010
104467899187,6cyclictest0-21swapper/000:20:070
1044678991815,2cyclictest1314977-21fschecks_count22:30:020
1044678991815,2cyclictest1296-21polkitd00:15:020
1044678991815,2cyclictest1246263-21sh21:45:010
1044678991815,2cyclictest1186363-21cpuspeed21:05:010
1044678991815,2cyclictest1174047-21cstates20:55:010
1044678991815,2cyclictest1154401-21sh20:40:000
1044678991815,2cyclictest0-21swapper/022:05:010
1044678991814,3cyclictest3827634-1atopacctd20:30:020
2649091171,2phc2sys0-21swapper/323:34:343
2649091170,2phc2sys0-21swapper/322:09:083
2649091170,2phc2sys0-21swapper/300:27:413
1044680991715,1cyclictest0-21swapper/220:00:022
1044680991714,1cyclictest0-21swapper/223:10:042
1044680991714,1cyclictest0-21swapper/200:05:002
104467999177,2cyclictest383433398rtkit-daemon00:34:311
104467999172,12cyclictest134050irq/121-eno121:32:321
1044679991715,1cyclictest1044676-21cyclictest22:35:001
1044679991714,2cyclictest1996-21runrttasks22:57:051
1044679991714,2cyclictest1996-21runrttasks21:41:291
1044679991714,2cyclictest1475310-21fschecks_time00:15:021
1044679991714,2cyclictest1406002-21telnet23:30:001
1044679991714,2cyclictest1276409-21tr22:05:011
1044679991714,2cyclictest1269124-21sh22:00:011
1044679991714,2cyclictest1129825-21cstates20:20:021
1044679991714,2cyclictest1044676-21cyclictest19:45:061
1044679991714,2cyclictest0-21swapper/121:00:011
104467899178,5cyclictest0-21swapper/023:35:050
104467899177,6cyclictest0-21swapper/021:35:010
1044678991715,1cyclictest1996-21runrttasks22:43:230
1044678991714,2cyclictest1311916-21pmu-power22:25:120
1044678991714,2cyclictest1246639-21sed21:45:030
1044678991713,2cyclictest0-21swapper/023:20:010
1044678991711,1cyclictest501rcuop/220:34:590
1044678991710,6cyclictest1430037-21irqcore23:45:060
2649091163,2phc2sys0-21swapper/323:10:493
2649091161,6phc2sys0-21swapper/323:17:383
2649091160,3phc2sys0-21swapper/323:03:123
13197252161,5sleep30-21swapper/322:30:123
1044680991614,1cyclictest0-21swapper/223:25:002
1044680991614,1cyclictest0-21swapper/222:20:032
1044680991614,1cyclictest0-21swapper/222:15:052
1044680991614,1cyclictest0-21swapper/221:25:022
1044680991614,1cyclictest0-21swapper/221:00:002
1044680991614,1cyclictest0-21swapper/200:25:062
1044680991613,1cyclictest0-21swapper/222:55:012
1044680991613,1cyclictest0-21swapper/222:55:012
1044680991613,1cyclictest0-21swapper/221:05:002
1044680991613,1cyclictest0-21swapper/219:40:022
1044680991613,1cyclictest0-21swapper/219:25:012
1044680991613,1cyclictest0-21swapper/200:35:132
104467999168,3cyclictest0-21swapper/119:35:001
104467999167,4cyclictest0-21swapper/123:40:121
1044679991613,2cyclictest3851704-21mta-sts-daemon23:39:591
1044679991613,2cyclictest3851704-21mta-sts-daemon20:22:261
1044679991613,2cyclictest1482786-21systemd-run00:20:021
1044679991613,2cyclictest1299062-21cpu22:20:001
1044679991613,2cyclictest1207619-21latency_hist21:20:001
1044679991613,2cyclictest1186840-21cut21:05:031
1044679991613,2cyclictest1123498-21sh20:15:011
1044679991613,2cyclictest0-21swapper/122:25:021
1044679991612,3cyclictest1429223-21cpuspeed_turbos23:45:021
1044679991612,3cyclictest1326201-21kthreadcore22:35:081
1044679991612,3cyclictest1171079-21kthreadcore20:50:051
1044679991612,3cyclictest1159547-21kthreadcore20:40:151
1044679991612,3cyclictest1159547-21kthreadcore20:40:151
1044679991612,3cyclictest1050489-21munin-node00:00:161
1044679991611,3cyclictest0-21swapper/120:50:001
104467899168,7cyclictest0-21swapper/020:24:580
104467899168,6cyclictest1074902-21tr19:35:070
104467899168,2cyclictest0-21swapper/021:27:270
104467899167,5cyclictest0-21swapper/021:50:060
1044678991613,2cyclictest1413604-21aten_repower_vo23:35:000
1044678991613,2cyclictest1167064-21acpi20:49:560
1044678991613,2cyclictest1160955-21latency_hist20:45:000
1044678991613,2cyclictest1160955-21latency_hist20:45:000
1044678991613,2cyclictest1116650-21apt-config20:10:010
1044678991613,2cyclictest1097865-21cpu19:55:010
1044678991613,2cyclictest1072936-21cstates19:35:020
1044678991613,2cyclictest1053590-21aten_repower_cu19:20:000
104467899161,11cyclictest0-21swapper/022:36:230
1044678991610,5cyclictest3851702-21mta-sts-daemon23:12:040
2649091150,3phc2sys0-21swapper/322:54:173
2649091150,3phc2sys0-21swapper/322:54:173
2649091150,2phc2sys0-21swapper/300:30:493
2649091150,2phc2sys0-21swapper/300:13:533
2649091150,1phc2sys0-21swapper/323:43:283
104468099159,3cyclictest0-21swapper/200:09:572
104468099159,3cyclictest0-21swapper/200:09:572
1044680991513,1cyclictest0-21swapper/222:43:582
1044680991513,1cyclictest0-21swapper/222:10:022
1044680991513,1cyclictest0-21swapper/221:10:072
1044680991513,1cyclictest0-21swapper/219:50:002
1044680991513,1cyclictest0-21swapper/219:20:012
1044680991513,1cyclictest0-21swapper/200:20:072
1044680991512,1cyclictest0-21swapper/223:30:052
1044680991512,1cyclictest0-21swapper/222:30:282
1044680991511,2cyclictest0-21swapper/223:49:582
1044680991511,2cyclictest0-21swapper/221:35:102
1044680991511,2cyclictest0-21swapper/220:35:092
1044679991513,1cyclictest1996-21runrttasks23:05:081
1044679991513,1cyclictest0-21swapper/100:25:011
1044679991512,2cyclictest3851704-21mta-sts-daemon19:11:241
1044679991512,2cyclictest0-21swapper/120:05:011
1044678991513,1cyclictest1129188-21sendmail20:20:000
1044678991512,2cyclictest171ktimers/021:08:420
1044678991512,2cyclictest1057448-21kthreadcore19:20:080
1044678991512,2cyclictest1044978-21irqrtprio19:10:010
1044678991512,2cyclictest0-21swapper/019:15:010
1044678991512,2cyclictest0-21swapper/000:05:000
104467899151,10cyclictest0-21swapper/023:53:160
1044678991510,3cyclictest1104040-21sshd20:00:010
2649091143,2phc2sys0-21swapper/323:50:453
2649091140,5phc2sys0-21swapper/321:45:133
2649091140,3phc2sys0-21swapper/322:36:383
2649091140,2phc2sys0-21swapper/322:55:413
2649091140,2phc2sys0-21swapper/321:31:123
2649091140,1phc2sys0-21swapper/319:22:513
1044680991412,1cyclictest0-21swapper/222:55:062
1044680991412,1cyclictest0-21swapper/219:55:022
1044680991412,1cyclictest0-21swapper/219:45:002
1044680991412,1cyclictest0-21swapper/219:10:022
1044680991412,1cyclictest0-21swapper/200:10:052
1044680991411,1cyclictest0-21swapper/221:31:072
1044680991411,1cyclictest0-21swapper/220:45:012
1044680991411,1cyclictest0-21swapper/220:45:012
1044680991410,2cyclictest0-21swapper/221:20:002
1044679991411,2cyclictest1053669-21latency_hist19:20:011
1044679991410,3cyclictest1378523-21kthreadcore23:10:081
2649091130,3phc2sys0-21swapper/322:24:293
2649091130,2phc2sys0-21swapper/323:08:213
2649091130,2phc2sys0-21swapper/300:03:283
2649091130,1phc2sys0-21swapper/323:20:273
2649091130,1phc2sys0-21swapper/321:01:063
104468099139,2cyclictest0-21swapper/223:00:082
1044680991311,1cyclictest0-21swapper/222:10:072
1044680991311,1cyclictest0-21swapper/222:00:062
1044680991311,1cyclictest0-21swapper/221:43:272
1044680991311,1cyclictest0-21swapper/220:35:002
1044680991311,1cyclictest0-21swapper/220:10:012
1044680991311,1cyclictest0-21swapper/220:00:042
1044680991311,1cyclictest0-21swapper/219:30:062
1044680991311,1cyclictest0-21swapper/200:30:362
1044680991310,2cyclictest0-21swapper/223:40:042
1044680991310,1cyclictest0-21swapper/221:05:102
1044680991310,1cyclictest0-21swapper/220:50:082
1044680991310,1cyclictest0-21swapper/220:15:032
1044680991310,1cyclictest0-21swapper/219:25:062
2649091121,3phc2sys0-21swapper/321:59:583
2649091120,2phc2sys0-21swapper/321:21:163
2649091120,2phc2sys0-21swapper/320:19:293
2649091120,1phc2sys0-21swapper/300:17:583
1044680991210,1cyclictest0-21swapper/220:46:412
104467899129,2cyclictest1118013-21irqrtprio20:10:060
2649091112,2phc2sys0-21swapper/321:40:263
2649091111,5phc2sys0-21swapper/322:44:583
2649091111,2phc2sys0-21swapper/323:36:553
2649091111,2phc2sys0-21swapper/319:40:063
2649091110,2phc2sys0-21swapper/320:35:013
2649091110,1phc2sys0-21swapper/320:38:023
2649091110,1phc2sys0-21swapper/319:11:213
104468099119,1cyclictest0-21swapper/220:10:092
2649091102,3phc2sys0-21swapper/322:25:153
2649091101,2phc2sys0-21swapper/322:01:583
2649091101,2phc2sys0-21swapper/321:35:093
2649091101,2phc2sys0-21swapper/320:55:013
2649091101,2phc2sys0-21swapper/319:30:003
2649091100,3phc2sys0-21swapper/320:49:553
2649091100,2phc2sys0-21swapper/323:55:303
2649091100,2phc2sys0-21swapper/323:47:503
2649091100,2phc2sys0-21swapper/323:25:043
2649091100,2phc2sys0-21swapper/322:18:193
2649091100,2phc2sys0-21swapper/322:10:083
2649091100,2phc2sys0-21swapper/321:54:293
2649091100,2phc2sys0-21swapper/321:26:233
2649091100,2phc2sys0-21swapper/321:15:373
2649091100,2phc2sys0-21swapper/321:11:203
2649091100,2phc2sys0-21swapper/320:55:133
2649091100,2phc2sys0-21swapper/320:20:113
2649091100,2phc2sys0-21swapper/300:05:123
2649091100,2phc2sys0-21swapper/300:05:123
264909191,2phc2sys0-21swapper/321:05:113
264909191,2phc2sys0-21swapper/319:15:023
264909190,2phc2sys0-21swapper/320:40:193
264909190,2phc2sys0-21swapper/320:40:183
264909190,2phc2sys0-21swapper/320:10:133
264909190,2phc2sys0-21swapper/320:05:043
264909190,2phc2sys0-21swapper/320:00:033
264909190,2phc2sys0-21swapper/319:50:083
264909190,2phc2sys0-21swapper/319:49:563
264909190,2phc2sys0-21swapper/319:30:083
264909190,2phc2sys0-21swapper/319:05:043
264909190,2phc2sys0-21swapper/300:36:113
264909180,2phc2sys0-21swapper/319:55:063
264909180,2phc2sys0-21swapper/319:35:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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