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2026-03-10 - 09:45
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Tue Mar 10, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22940021100,1sleep00-21swapper/023:39:230
414437921090,1sleep00-21swapper/020:56:470
20290421090,1sleep00-21swapper/023:24:160
1769692430,1sleep30-21swapper/323:10:003
4011156992516,3cyclictest57053-21kthreadcore22:01:471
4011157992420,2cyclictest0-21swapper/221:21:532
4011155992415,5cyclictest134255-21/usr/sbin/munin22:46:500
4011155992214,7cyclictest256851-21latency_hist23:55:020
4011155992213,8cyclictest0-21swapper/022:00:000
4011155992213,5cyclictest294882-21kthreadcore00:16:470
4011155992213,5cyclictest1286-21avahi-daemon22:26:510
4011155992211,6cyclictest0-21swapper/023:46:470
1204872220,2sleep20-21swapper/222:36:492
4011157992117,2cyclictest0-21swapper/223:25:002
4011157992112,5cyclictest0-21swapper/222:30:012
4011156992118,2cyclictest53411-21dump-pmu-power22:00:001
4011155992116,4cyclictest97608-21idleruntime-cro22:25:000
4011155992113,4cyclictest4167910-21latency_hist21:15:000
4011155992112,5cyclictest313314-21kthreadcore00:26:460
4011155992112,5cyclictest182348-21kthreadcore23:11:490
4011155992111,5cyclictest206085-21kthreadcore23:26:460
4011155992111,5cyclictest206085-21kthreadcore23:26:460
4011157992018,1cyclictest0-21swapper/221:20:002
4011157992017,1cyclictest0-21swapper/200:15:002
4011156992017,2cyclictest44631-21/usr/sbin/munin21:55:011
4011156992017,2cyclictest4074285-21cron20:00:001
4011156992017,2cyclictest1327-21in:imuxsock00:40:011
4011156992014,2cyclictest17350irq/127-ahci[0000:00:17.0]00:15:001
4011156992012,3cyclictest0-21swapper/100:30:011
4011155992011,5cyclictest268058-21kthreadcore00:01:460
4011157991917,1cyclictest0-21swapper/221:00:012
4011157991916,1cyclictest0-21swapper/221:05:012
4011157991916,1cyclictest0-21swapper/220:35:002
4011156991910,4cyclictest0-21swapper/100:10:021
401115599199,5cyclictest0-21swapper/021:55:020
401115599196,6cyclictest0-21swapper/023:01:490
401115599195,3cyclictest71168-21munin-run22:10:010
4011155991916,2cyclictest4185547-21perf21:25:000
4011155991916,2cyclictest327575-21latency_hist00:35:010
4011155991911,7cyclictest190342-21kthreadcore23:16:470
4011155991911,4cyclictest72348-21/usr/sbin/munin22:11:470
4011155991911,4cyclictest329227-21cstates00:36:420
4011155991911,4cyclictest234019-21kthreadcore23:41:480
4011155991910,5cyclictest81643-21cpuspeed22:16:410
2649091190,2phc2sys0-21swapper/322:36:273
4011157991816,1cyclictest0-21swapper/222:51:472
4011157991815,1cyclictest0-21swapper/221:56:482
401115799181,10cyclictest0-21swapper/221:50:012
401115699189,4cyclictest0-21swapper/122:56:461
4011156991815,2cyclictest0-21swapper/100:00:021
4011156991814,3cyclictest4016932-21sshd19:13:001
4011156991813,3cyclictest4153288-21systemd21:05:021
401115599189,5cyclictest11939-21kthreadcore21:36:470
401115599189,5cyclictest0-21swapper/021:26:530
401115599189,5cyclictest0-21swapper/000:11:510
2649091180,2phc2sys0-21swapper/321:12:353
4011157991715,1cyclictest0-21swapper/223:45:022
4011157991715,1cyclictest0-21swapper/219:30:022
4011157991714,1cyclictest0-21swapper/222:56:422
4011157991714,1cyclictest0-21swapper/221:26:442
4011157991714,1cyclictest0-21swapper/200:20:012
4011157991711,2cyclictest0-21swapper/222:15:012
4011156991714,2cyclictest79852-21latency_hist22:15:001
4011156991714,2cyclictest4098753-21cut20:20:021
4011156991714,2cyclictest4043857-21apt-key19:35:011
4011156991714,2cyclictest4011153-21cyclictest23:35:001
4011156991714,2cyclictest257-21systemd-journal22:30:011
4011156991714,2cyclictest187662-21sh23:16:421
4011156991713,3cyclictest238753-21ssh23:45:011
4011156991713,3cyclictest11946-21kthreadcore21:36:471
4011156991712,4cyclictest0-21swapper/119:30:001
401115599179,4cyclictest119415-21kthreadcore22:36:490
4011155991714,2cyclictest4105122-21cpu20:26:430
4011155991714,2cyclictest4074567-21munin-plugin-st20:00:020
4011155991714,2cyclictest36001-21systemd-run21:50:020
4011155991714,2cyclictest1-21systemd22:35:010
4011155991712,4cyclictest4087470-21fschecks_time20:11:430
4011155991711,5cyclictest143263-21aten2.4-expect22:51:410
4011155991710,6cyclictest0-21swapper/023:31:460
4011155991710,4cyclictest4038162-21tail19:31:410
2902298170,2rtkit-daemon0-21swapper/122:06:071
2649091171,2phc2sys0-21swapper/319:35:023
2649091170,1phc2sys0-21swapper/322:54:303
4011157991614,1cyclictest0-21swapper/223:46:472
4011157991613,1cyclictest0-21swapper/222:31:452
4011157991613,1cyclictest0-21swapper/221:45:022
4011157991613,1cyclictest0-21swapper/221:36:482
4011157991613,1cyclictest0-21swapper/200:35:022
4011157991612,2cyclictest0-21swapper/221:06:472
401115699169,2cyclictest134050irq/121-eno122:21:481
401115699167,4cyclictest0-21swapper/121:45:011
401115699166,4cyclictest178419-21aten_repower_po23:11:421
401115699165,4cyclictest120620-21kthreadcore22:36:491
4011156991613,2cyclictest9519-21systemd-run21:35:021
4011156991613,2cyclictest4190332-21kthreadcore21:26:481
4011156991613,2cyclictest322796-21kthreadcore00:31:481
4011156991613,2cyclictest141700-21cat22:50:001
401115599169,6cyclictest0-21swapper/022:05:000
401115599167,5cyclictest129406-21kthreadcore22:41:460
401115599167,2cyclictest0-21swapper/021:41:460
401115599166,5cyclictest0-21swapper/021:16:440
401115599164,7cyclictest305882-21cut00:21:460
401115599164,2cyclictest9391-21munin-run21:35:010
4011155991613,2cyclictest4032283-21cstates19:26:410
4011155991613,2cyclictest1288-1atopacctd19:25:000
4011155991612,2cyclictest3926030-21kworker/u16:2-events_power_efficient19:10:020
4011155991611,4cyclictest4117877-21fschecks_count20:36:450
401115599160,2cyclictest261139-21kthreadcore23:56:470
2649091160,2phc2sys0-21swapper/323:53:423
2649091160,2phc2sys0-21swapper/322:01:483
2649091160,2phc2sys0-21swapper/320:44:583
401115799151,8cyclictest0-21swapper/222:10:012
4011157991513,1cyclictest0-21swapper/220:20:022
4011157991512,1cyclictest0-21swapper/223:36:492
4011157991512,1cyclictest0-21swapper/223:31:512
4011157991512,1cyclictest0-21swapper/223:15:002
4011157991512,1cyclictest0-21swapper/221:31:432
4011157991512,1cyclictest0-21swapper/221:11:432
4011157991512,1cyclictest0-21swapper/220:36:452
4011157991512,1cyclictest0-21swapper/219:56:522
4011157991512,1cyclictest0-21swapper/219:55:002
4011157991512,1cyclictest0-21swapper/219:16:442
4011157991512,1cyclictest0-21swapper/219:10:012
4011157991512,1cyclictest0-21swapper/200:25:002
4011157991512,1cyclictest0-21swapper/200:01:512
4011157991511,2cyclictest0-21swapper/223:06:542
401115699159,2cyclictest269571-21kthreadcore00:01:481
401115699159,2cyclictest134050irq/121-eno100:23:471
401115699158,3cyclictest254150-21timerwakeupswit23:51:521
401115699157,3cyclictest0-21swapper/123:40:011
401115699156,4cyclictest0-21swapper/123:05:011
4011156991512,2cyclictest4180651-21kthreadcore21:21:461
4011156991512,2cyclictest4168071-21systemd-run21:15:011
4011156991512,2cyclictest4092528-21latency_hist20:15:011
4011156991512,2cyclictest240430-21cstates23:46:421
4011156991512,2cyclictest1326-21systemd-logind23:10:011
4011156991512,2cyclictest1290-21dbus-daemon22:45:011
4011156991512,2cyclictest1288-1atopacctd23:21:491
4011156991512,2cyclictest0-21swapper/119:40:011
4011156991511,2cyclictest4110762-21sh20:30:011
401115599157,4cyclictest0-21swapper/023:10:010
401115599153,5cyclictest277512-21cut00:06:460
4011155991513,1cyclictest29021-21rtkit-daemon21:06:310
4011155991512,2cyclictest4045411-21irqrtprio19:36:450
4011155991512,2cyclictest4020093-21cpuspeed_turbos19:16:420
4011155991512,2cyclictest4011153-21cyclictest19:11:480
4011155991512,2cyclictest1326-21systemd-logind23:00:010
4011155991510,4cyclictest4128957-21awk20:45:000
2649091156,2phc2sys0-21swapper/300:24:533
2649091151,2phc2sys0-21swapper/323:12:023
2649091150,2phc2sys0-21swapper/321:34:153
2649091150,1phc2sys0-21swapper/300:03:243
401115799142,10cyclictest0-21swapper/223:30:012
401115799142,10cyclictest0-21swapper/223:30:012
4011157991412,1cyclictest0-21swapper/220:45:012
4011157991412,1cyclictest0-21swapper/200:40:022
4011157991411,1cyclictest0-21swapper/222:45:002
4011157991411,1cyclictest0-21swapper/221:55:012
4011157991411,1cyclictest0-21swapper/220:51:492
4011157991411,1cyclictest0-21swapper/219:46:442
4011157991411,1cyclictest0-21swapper/219:45:002
4011157991411,1cyclictest0-21swapper/200:26:432
4011157991411,1cyclictest0-21swapper/200:06:462
401115699146,4cyclictest109151-21kthreadcore22:31:471
4011156991411,2cyclictest82102-21fschecks_time22:16:441
4011156991411,2cyclictest4170625-21kthreadcore21:16:491
4011156991411,2cyclictest4135102-21systemd20:50:011
4011156991411,2cyclictest4104224-21unixbench_singl20:21:541
4011156991411,2cyclictest4059003-21kthreadcore19:46:471
4011156991411,2cyclictest4019307-21aten_repower_po19:15:031
4011156991411,2cyclictest29277-21irqcore21:46:471
4011156991411,2cyclictest209794-21mailstats23:26:501
4011156991411,2cyclictest209794-21mailstats23:26:501
4011156991411,2cyclictest1326-21systemd-logind19:45:011
4011156991410,3cyclictest4084752-21kthreadcore20:06:481
401115599145,3cyclictest4110909-21sshd20:30:450
4011155991411,2cyclictest4151883-21kthreadcore21:01:460
4011155991411,2cyclictest4134953-21apt20:50:000
4011155991411,2cyclictest4102807-21kthreadcore20:21:480
4011155991411,2cyclictest4079709-21mailstats20:01:510
4011155991411,2cyclictest4051770-21irqrtprio19:41:450
4011155991411,2cyclictest1288-1atopacctd20:06:470
4011155991410,3cyclictest1288-1atopacctd20:16:500
2649091140,4phc2sys0-21swapper/300:06:403
2649091140,2phc2sys0-21swapper/322:26:533
2649091140,2phc2sys0-21swapper/300:11:423
2649091140,1phc2sys0-21swapper/320:07:383
401115799139,2cyclictest0-21swapper/223:51:452
4011157991311,1cyclictest0-21swapper/222:01:422
4011157991311,1cyclictest0-21swapper/220:11:532
4011157991311,1cyclictest0-21swapper/219:35:022
4011157991311,1cyclictest0-21swapper/219:11:342
4011157991310,1cyclictest0-21swapper/223:16:472
4011157991310,1cyclictest0-21swapper/223:01:432
4011157991310,1cyclictest0-21swapper/222:46:492
4011157991310,1cyclictest0-21swapper/222:16:532
4011157991310,1cyclictest0-21swapper/220:01:452
4011157991310,1cyclictest0-21swapper/219:36:462
4011157991310,1cyclictest0-21swapper/219:21:462
401115699139,3cyclictest4121379-21kthreadcore20:36:491
4011156991311,1cyclictest0-21swapper/119:10:011
4011156991310,2cyclictest4111266-21cpuspeed_turbos20:31:421
4011156991310,2cyclictest4074848-21aten_repower_fr20:01:401
4011156991310,2cyclictest4025932-21aten_repower_cu19:21:391
4011156991310,2cyclictest1288-1atopacctd22:51:411
4011156991310,2cyclictest0-21swapper/120:41:421
401115599134,4cyclictest4062662-21/usr/sbin/munin19:51:510
4011155991310,2cyclictest4136350-21sed20:51:470
4011155991310,2cyclictest4061402-21phc2sys19:46:500
2649091130,2phc2sys0-21swapper/322:46:413
2649091130,2phc2sys0-21swapper/322:22:003
2649091130,2phc2sys0-21swapper/322:16:433
2649091130,2phc2sys0-21swapper/321:21:513
2649091130,2phc2sys0-21swapper/321:04:463
2649091130,2phc2sys0-21swapper/300:29:013
401115799129,1cyclictest0-21swapper/220:26:272
401115799129,1cyclictest0-21swapper/220:06:452
401115799124,5cyclictest0-21swapper/222:21:402
4011157991210,1cyclictest0-21swapper/220:21:512
401115799120,9cyclictest0-21swapper/223:56:402
401115699129,2cyclictest4156280-21kthreadcore21:06:481
401115699129,2cyclictest4135702-21cpuspeed_turbos20:51:421
401115699126,4cyclictest4143898-21tr20:56:471
401115699124,7cyclictest292648-1ssh00:15:131
401115699120,10cyclictest4063965-21cut19:51:471
2649091125,3phc2sys0-21swapper/323:46:443
2649091122,2phc2sys0-21swapper/323:25:013
2649091121,2phc2sys0-21swapper/321:26:423
2649091120,4phc2sys0-21swapper/319:59:193
2649091120,4phc2sys0-21swapper/300:32:203
2649091120,3phc2sys0-21swapper/320:31:403
2649091120,2phc2sys0-21swapper/323:59:283
2649091120,2phc2sys0-21swapper/319:25:513
2649091120,1phc2sys0-21swapper/321:58:103
2649091120,1phc2sys0-21swapper/320:12:513
401115799119,1cyclictest0-21swapper/220:46:422
2649091110,2phc2sys0-21swapper/323:43:253
2649091110,2phc2sys0-21swapper/323:38:363
2649091110,2phc2sys0-21swapper/323:18:113
2649091110,2phc2sys0-21swapper/321:46:343
2649091110,2phc2sys0-21swapper/320:51:553
2649091110,2phc2sys0-21swapper/300:18:513
2649091110,1phc2sys0-21swapper/319:48:073
2649091102,3phc2sys0-21swapper/319:51:433
2649091101,3phc2sys0-21swapper/321:39:123
2649091101,2phc2sys0-21swapper/322:57:233
2649091101,2phc2sys0-21swapper/322:32:183
2649091101,2phc2sys0-21swapper/321:51:183
2649091101,2phc2sys0-21swapper/300:35:273
2649091100,2phc2sys0-21swapper/323:32:433
2649091100,2phc2sys0-21swapper/323:29:223
2649091100,2phc2sys0-21swapper/323:29:223
2649091100,2phc2sys0-21swapper/322:45:013
2649091100,2phc2sys0-21swapper/322:11:373
2649091100,2phc2sys0-21swapper/322:09:103
2649091100,2phc2sys0-21swapper/321:44:093
2649091100,2phc2sys0-21swapper/321:16:163
2649091100,2phc2sys0-21swapper/320:40:003
2649091100,2phc2sys0-21swapper/320:20:013
2649091100,2phc2sys0-21swapper/319:20:503
2649091100,1phc2sys0-21swapper/320:04:183
264909191,2phc2sys0-21swapper/323:00:163
264909191,2phc2sys0-21swapper/319:06:393
264909190,2phc2sys0-21swapper/321:06:423
264909190,2phc2sys0-21swapper/320:56:403
264909190,2phc2sys0-21swapper/320:21:453
264909190,2phc2sys0-21swapper/319:36:413
264909190,2phc2sys0-21swapper/319:16:453
264909190,2phc2sys0-21swapper/319:15:013
264909180,3phc2sys0-21swapper/320:26:413
264909180,2phc2sys0-21swapper/320:46:423
264909180,2phc2sys0-21swapper/319:41:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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