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2026-06-04 - 00:49
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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 Wed Jun 03, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17030052720,1sleep01703003-21ssh09:17:250
18541192410,1sleep10-21swapper/110:59:061
1541026992719,4cyclictest134050irq/121-eno109:20:011
1541026992716,3cyclictest0-21swapper/110:19:451
1541026992621,1cyclictest134050irq/121-eno112:05:021
1541026992614,3cyclictest0-21swapper/111:49:381
1541025992619,6cyclictest0-21swapper/012:20:010
1541025992616,4cyclictest1829936-21latency_hist10:40:020
1541027992522,1cyclictest0-21swapper/211:35:012
1541026992515,3cyclictest1840359-21kthreadcore10:49:451
1541026992514,6cyclictest0-21swapper/109:40:031
1541027992421,1cyclictest0-21swapper/209:45:012
1541026992418,2cyclictest134050irq/121-eno109:45:011
1541026992414,3cyclictest1809053-21aten2.4-expect10:29:401
1541025992421,2cyclictest1799653-21awk10:20:000
1541026992320,2cyclictest1568542-21idleruntime-cro07:30:001
1541026992319,3cyclictest1555916-21gpgconf07:20:001
1541026992315,2cyclictest1996-21runrttasks11:54:241
1541026992311,7cyclictest0-21swapper/109:54:071
1541025992317,5cyclictest1989798-21/usr/sbin/munin12:29:480
1541025992317,1cyclictest383433398rtkit-daemon09:42:240
1541025992316,6cyclictest3851705-21mta-sts-daemon08:39:510
1541025992310,8cyclictest1632420-21cut08:24:410
154102599230,5cyclictest1854277-21/usr/sbin/munin10:59:520
1541026992219,2cyclictest1897984-21/usr/sbin/munin11:25:021
1541026992219,2cyclictest1557829-21irqrtprio07:24:461
1541026992213,5cyclictest1996-21runrttasks10:54:151
1541026992212,3cyclictest0-21swapper/111:20:021
1541026992210,4cyclictest1982132-21runrttasks12:24:131
1541025992215,6cyclictest1983034-21/usr/sbin/munin12:24:440
1541025992215,6cyclictest1839073-21aten2.4-expect10:49:390
1541025992213,6cyclictest0-21swapper/011:33:080
1541025992213,5cyclictest1874565-21ptp4l-jitter11:09:510
1541025992211,7cyclictest1580909-21unixbench-2d07:39:530
1541025992211,6cyclictest0-21swapper/011:05:010
2649091210,5phc2sys0-21swapper/308:34:403
2649091210,5phc2sys0-21swapper/308:34:403
1541027992118,1cyclictest0-21swapper/212:29:432
1541026992118,2cyclictest1875153-21wc11:10:011
1541026992118,2cyclictest1776671-21mailstats10:04:511
1541026992118,2cyclictest1688075-21apt-key09:05:001
1541026992118,2cyclictest1574885-21cut07:35:011
1541026992110,6cyclictest0-21swapper/109:21:571
154102599219,5cyclictest1550987-21sort07:19:440
154102599218,3cyclictest3851702-21mta-sts-daemon10:33:080
1541025992114,6cyclictest1783367-21kthreadcore10:09:480
1541025992112,8cyclictest3851702-21mta-sts-daemon09:24:260
1541025992112,5cyclictest1791227-21kthreadcore10:14:480
1541025992111,6cyclictest2009705-21sort12:39:490
1541025992110,7cyclictest1929020-21sh11:47:300
383433398200,4rtkit-daemon3851704-21mta-sts-daemon11:23:360
19246602200,2sleep30-21swapper/311:44:463
1541027992017,1cyclictest0-21swapper/210:20:002
1541027992017,1cyclictest0-21swapper/207:55:002
1541026992017,2cyclictest2840498-21systemd-journal07:15:001
1541026992017,2cyclictest1998465-21grep12:34:451
1541026992017,2cyclictest1928200-21wc11:45:011
1541026992017,2cyclictest1644104-21systemd-run08:30:011
1541026992017,2cyclictest1612458-21apt-get08:05:001
1541026992017,2cyclictest1290-21dbus-daemon08:25:001
1541026992017,2cyclictest1-21systemd10:25:001
1541026992017,2cyclictest0-21swapper/110:45:021
1541026992015,3cyclictest2845942-21sshd09:45:581
1541026992010,6cyclictest0-21swapper/109:30:561
154102599209,5cyclictest0-21swapper/012:34:390
154102599208,8cyclictest1613524-21head08:09:420
1541025992017,2cyclictest3880722-21gmain11:45:010
1541025992017,2cyclictest1702190-21sh09:15:020
1541025992017,2cyclictest0-21swapper/009:05:010
1541025992014,5cyclictest1901032-21kthreadcore11:29:440
1541025992013,6cyclictest3851704-21mta-sts-daemon11:37:350
1541026991911,3cyclictest0-21swapper/112:14:521
1541026991911,2cyclictest1996-21runrttasks11:12:201
1541026991910,3cyclictest0-21swapper/111:32:451
154102599199,7cyclictest1809571-21fschecks_time10:29:430
154102599198,7cyclictest1884361-21sh11:18:450
154102599194,11cyclictest1801567-21aten2.4-expect10:24:400
1541025991916,2cyclictest1678867-21kthreadcore08:59:470
1541025991916,2cyclictest1675318-21latency_hist08:55:010
1541025991916,2cyclictest1643237-21missed_timers08:29:490
1541025991916,2cyclictest1625969-21aten_repower_fr08:19:410
1541025991916,2cyclictest1612632-21systemd-run08:05:020
1541025991916,2cyclictest1584666-21kthreadcore07:44:470
1541025991916,2cyclictest1558012-21kernelversion07:24:460
1541025991916,2cyclictest1547330-21sh07:15:010
1541025991911,5cyclictest0-21swapper/012:04:510
1541025991911,4cyclictest0-21swapper/011:11:570
1541025991910,5cyclictest0-21swapper/010:44:460
1541025991910,4cyclictest3851704-21mta-sts-daemon12:10:500
2649191180,1ptp4l0-21swapper/311:39:493
2649091180,2phc2sys0-21swapper/312:03:013
2649091180,2phc2sys0-21swapper/309:04:483
1541027991816,1cyclictest0-21swapper/209:30:022
1541027991816,1cyclictest0-21swapper/207:15:022
1541027991815,1cyclictest0-21swapper/211:23:362
1541027991815,1cyclictest0-21swapper/210:49:502
1541027991815,1cyclictest0-21swapper/209:50:012
154102799180,11cyclictest0-21swapper/209:59:402
1541026991816,1cyclictest1920418-21cut11:40:001
1541026991815,2cyclictest1965086-21mailstats12:09:521
1541026991815,2cyclictest1829474-21grep10:39:531
1541026991815,2cyclictest1784458-21grep10:09:531
1541026991815,2cyclictest1724599-21latency_hist09:30:021
1541026991815,2cyclictest0-21swapper/112:40:021
1541026991815,2cyclictest0-21swapper/109:10:021
1541026991815,2cyclictest0-21swapper/107:40:001
1541026991810,3cyclictest0-21swapper/112:19:391
1541026991810,3cyclictest0-21swapper/110:14:401
154102599189,6cyclictest1606136-21apt08:00:010
154102599189,5cyclictest3827634-1atopacctd11:54:390
154102599189,5cyclictest1943970-21sh11:57:150
154102599189,4cyclictest0-21swapper/010:54:460
154102599184,9cyclictest1959444-21ssh12:08:410
1541025991815,2cyclictest1757083-21gltestperf09:54:430
1541025991815,2cyclictest1668575-21ptp4l-jitter08:49:510
1541025991815,2cyclictest1657888-21gltestperf08:44:440
1541025991815,2cyclictest1624801-21mailstats08:14:510
1541025991815,2cyclictest1589352-21kthreadcore07:49:470
1541025991815,2cyclictest1569277-21aten_repower_en07:34:400
1541025991815,1cyclictest0-21swapper/009:10:010
1541025991811,4cyclictest0-21swapper/009:29:410
1541025991810,7cyclictest3827634-1atopacctd09:49:440
1541025991810,4cyclictest0-21swapper/008:32:110
1541025991810,4cyclictest0-21swapper/008:32:110
2649091170,2phc2sys0-21swapper/310:46:503
2649091170,1phc2sys0-21swapper/310:19:393
154102799171,7cyclictest0-21swapper/210:30:012
1541027991715,1cyclictest0-21swapper/212:00:012
1541027991715,1cyclictest0-21swapper/210:35:022
1541027991715,1cyclictest0-21swapper/209:10:012
1541027991715,1cyclictest0-21swapper/207:20:012
1541027991714,1cyclictest0-21swapper/212:20:292
1541027991714,1cyclictest0-21swapper/211:40:012
1541027991714,1cyclictest0-21swapper/209:19:422
154102699177,3cyclictest0-21swapper/108:47:561
154102699177,1cyclictest383433398rtkit-daemon12:28:141
1541026991714,2cyclictest1946287-21kthreadcore11:59:451
1541026991714,2cyclictest1769770-21latency_hist10:00:001
154102599178,6cyclictest1563022-21head07:29:400
1541025991714,2cyclictest3827634-1atopacctd09:34:460
1541025991714,2cyclictest1776640-21mailstats10:04:510
1541025991714,2cyclictest1766654-21kthreadcore09:59:470
1541025991714,2cyclictest1595035-21gltestperf07:54:440
1541025991714,2cyclictest1541021-21cyclictest09:39:460
2649091160,3phc2sys0-21swapper/307:44:403
2649091160,2phc2sys0-21swapper/312:33:253
2649091160,2phc2sys0-21swapper/311:09:363
2649091160,2phc2sys0-21swapper/308:49:543
1541027991614,1cyclictest0-21swapper/212:04:522
1541027991614,1cyclictest0-21swapper/210:45:012
1541027991613,2cyclictest0-21swapper/209:11:212
1541027991613,1cyclictest0-21swapper/211:26:332
1541027991613,1cyclictest0-21swapper/211:04:412
1541027991613,1cyclictest0-21swapper/210:14:532
1541027991613,1cyclictest0-21swapper/209:38:112
1541027991613,1cyclictest0-21swapper/208:30:002
1541027991613,1cyclictest0-21swapper/208:10:012
1541027991612,2cyclictest0-21swapper/207:35:002
1541027991611,3cyclictest0-21swapper/212:10:002
154102699169,2cyclictest2840498-21systemd-journal09:15:001
154102699164,3cyclictest1676148-21aten2.4-expect08:59:401
154102699162,4cyclictest1600704-21aten2.4-expect07:59:401
1541026991613,2cyclictest1902488-21kthreadcore11:29:451
1541026991613,2cyclictest1290-21dbus-daemon08:55:011
1541026991613,2cyclictest0-21swapper/111:04:511
1541026991613,2cyclictest0-21swapper/110:34:491
1541026991612,3cyclictest1628751-21kthreadcore08:19:491
1541026991612,3cyclictest1614664-21kthreadcore08:09:461
2649091152,2phc2sys0-21swapper/311:33:413
2649091150,4phc2sys0-21swapper/312:39:143
154102799157,1cyclictest0-21swapper/212:15:002
154102799151,9cyclictest0-21swapper/207:50:012
1541027991513,1cyclictest0-21swapper/208:50:002
1541027991513,1cyclictest0-21swapper/207:10:022
1541027991512,2cyclictest0-21swapper/208:44:212
1541027991512,1cyclictest0-21swapper/211:19:482
1541027991512,1cyclictest0-21swapper/211:12:512
1541027991512,1cyclictest0-21swapper/210:58:392
1541027991512,1cyclictest0-21swapper/210:54:452
1541027991512,1cyclictest0-21swapper/210:03:172
1541027991512,1cyclictest0-21swapper/209:24:492
1541027991512,1cyclictest0-21swapper/209:04:402
1541027991512,1cyclictest0-21swapper/208:39:472
1541027991512,1cyclictest0-21swapper/208:35:012
1541027991512,1cyclictest0-21swapper/208:35:002
1541027991511,2cyclictest0-21swapper/208:59:512
1541027991511,2cyclictest0-21swapper/207:39:442
1541027991511,1cyclictest0-21swapper/207:59:482
154102799150,6cyclictest1631432-21turbostat08:19:592
154102699157,3cyclictest17350irq/127-ahci[0000:00:17.0]08:45:001
154102699156,2cyclictest134050irq/121-eno107:54:421
1541026991513,1cyclictest3851703-21mta-sts-daemon08:39:401
1541026991512,2cyclictest1589352-21kthreadcore07:49:471
1541026991512,2cyclictest1296-21polkitd08:15:001
2649091141,3phc2sys0-21swapper/309:20:023
2649091141,3phc2sys0-21swapper/308:00:373
2649091140,3phc2sys0-21swapper/309:26:183
2649091140,2phc2sys0-21swapper/311:59:393
2649091140,2phc2sys0-21swapper/311:49:173
2649091140,2phc2sys0-21swapper/311:01:223
2649091140,2phc2sys0-21swapper/310:59:143
2649091140,2phc2sys0-21swapper/308:10:473
2649091140,1phc2sys0-21swapper/310:09:563
154102799149,2cyclictest0-21swapper/212:36:252
1541027991412,1cyclictest0-21swapper/211:44:442
1541027991412,1cyclictest0-21swapper/210:40:002
1541027991412,1cyclictest0-21swapper/209:30:432
1541027991412,1cyclictest0-21swapper/208:25:012
1541027991411,1cyclictest0-21swapper/212:34:432
1541027991411,1cyclictest0-21swapper/211:09:112
1541027991411,1cyclictest0-21swapper/209:54:332
1541027991411,1cyclictest0-21swapper/208:54:522
1541027991411,1cyclictest0-21swapper/207:25:012
1541027991410,2cyclictest0-21swapper/211:47:412
1541027991410,2cyclictest0-21swapper/207:44:462
154102799140,7cyclictest0-21swapper/207:30:012
1541026991411,2cyclictest1585947-21kthreadcore07:44:481
1541026991411,2cyclictest0-21swapper/107:10:001
1541026991410,3cyclictest1644708-21tail08:34:411
1541026991410,3cyclictest1644708-21tail08:34:411
1541025991411,2cyclictest0-21swapper/007:10:010
2649091131,5phc2sys0-21swapper/308:19:403
2649091131,1phc2sys0-21swapper/307:45:433
2649091130,5phc2sys0-21swapper/310:02:563
2649091130,3phc2sys0-21swapper/312:22:463
2649091130,2phc2sys0-21swapper/311:52:573
2649091130,1phc2sys0-21swapper/310:21:083
2649091130,1phc2sys0-21swapper/308:08:473
1541027991311,1cyclictest0-21swapper/212:17:022
1541027991310,2cyclictest0-21swapper/211:54:462
1541027991310,1cyclictest0-21swapper/210:23:342
1541027991310,1cyclictest0-21swapper/210:09:062
1541027991310,1cyclictest0-21swapper/208:14:432
1541027991310,1cyclictest0-21swapper/208:01:532
2649091120,2phc2sys0-21swapper/310:13:003
2649091120,2phc2sys0-21swapper/309:45:153
2649091120,2phc2sys0-21swapper/308:44:263
2649091120,2phc2sys0-21swapper/307:25:233
2649091114,1phc2sys0-21swapper/310:39:463
2649091112,2phc2sys0-21swapper/311:21:463
2649091112,2phc2sys0-21swapper/311:10:163
2649091112,2phc2sys0-21swapper/310:54:133
2649091111,3phc2sys0-21swapper/308:39:453
2649091111,2phc2sys0-21swapper/312:11:173
2649091111,2phc2sys0-21swapper/308:25:353
2649091110,4phc2sys0-21swapper/309:44:383
2649091110,2phc2sys0-21swapper/310:28:443
2649091110,2phc2sys0-21swapper/309:14:413
2649091110,2phc2sys0-21swapper/308:58:573
2649091110,2phc2sys0-21swapper/308:24:463
2649091110,1phc2sys0-21swapper/307:34:223
2649091110,1phc2sys0-21swapper/307:18:303
2649091102,2phc2sys0-21swapper/309:31:043
2649091101,3phc2sys0-21swapper/309:56:333
2649091101,2phc2sys0-21swapper/310:41:423
2649091101,2phc2sys0-21swapper/310:30:563
2649091101,2phc2sys0-21swapper/307:15:023
2649091100,4phc2sys0-21swapper/308:54:403
2649091100,2phc2sys0-21swapper/312:25:323
2649091100,2phc2sys0-21swapper/312:19:193
2649091100,2phc2sys0-21swapper/311:28:443
2649091100,2phc2sys0-21swapper/311:17:013
2649091100,2phc2sys0-21swapper/309:54:333
2649091100,2phc2sys0-21swapper/309:35:133
2649091100,2phc2sys0-21swapper/307:10:013
2649091100,1phc2sys0-21swapper/307:59:383
264909191,2phc2sys0-21swapper/307:35:573
264909190,2phc2sys0-21swapper/312:05:083
264909190,2phc2sys0-21swapper/309:20:063
264909190,2phc2sys0-21swapper/309:05:033
264909190,2phc2sys0-21swapper/307:54:493
264909190,2phc2sys0-21swapper/307:24:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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