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2026-05-16 - 14:37
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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 Sat May 16, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18073621510,1sleep0180734-21ssh23:48:560
40416462900,3sleep30-21swapper/319:55:193
41784722780,4sleep04178393-21ssh21:40:130
41596982400,1sleep1191rcu_preempt21:25:551
3976960993020,6cyclictest1-21systemd23:20:010
3976967992820,5cyclictest0-21swapper/220:40:002
3976963992825,2cyclictest3851875-21systemd-journal00:25:001
3976963992721,2cyclictest17350irq/127-ahci[0000:00:17.0]19:25:001
3976960992514,6cyclictest0-21swapper/022:40:010
397696099251,16cyclictest4118069-21latency_hist21:00:010
3976963992416,2cyclictest191rcu_preempt19:40:111
3976960992421,2cyclictest0-21swapper/021:50:000
3976963992316,2cyclictest17350irq/127-ahci[0000:00:17.0]20:40:001
3976963992316,2cyclictest134050irq/121-eno120:00:061
3976960992320,1cyclictest4086190-21gpgv20:35:000
3976960992319,3cyclictest249789-21grep00:35:000
3976960992314,2cyclictest5446-21systemd21:55:010
3976960992313,5cyclictest0-21swapper/000:10:010
3976960992311,5cyclictest0-21swapper/022:20:140
3976967992219,1cyclictest0-21swapper/222:20:002
397696099229,5cyclictest0-21swapper/021:55:070
397696099229,4cyclictest0-21swapper/022:55:070
397696099225,10cyclictest136538-21irqrtprio23:20:120
3976960992219,2cyclictest3984015-21kthreadcore19:15:020
3976960992219,2cyclictest1290-21dbus-daemon22:15:010
3976960992211,6cyclictest229609-21kthreadcore00:20:130
3976967992117,1cyclictest0-21swapper/223:55:012
397696399214,11cyclictest226781-21sshd00:19:471
3976963992117,3cyclictest127602-21munin-plugin-st23:15:011
3976963992115,2cyclictest134050irq/121-eno123:00:141
3976963992111,4cyclictest4054582-21sshd20:06:481
397696099218,6cyclictest0-21swapper/022:05:020
397696099217,4cyclictest0-21swapper/021:15:020
397696099217,2cyclictest0-21swapper/000:00:210
3976960992118,2cyclictest219319-21systemd00:15:010
3976960992110,4cyclictest151489-21if_eno123:30:110
397696099210,8cyclictest4155163-21cut21:25:120
3976967992017,1cyclictest0-21swapper/221:15:022
397696399204,5cyclictest4169077-21apt-get21:35:061
397696399202,12cyclictest4068517-21cat20:20:101
3976963992017,2cyclictest0-21swapper/119:15:011
3976963992014,2cyclictest46586-21kthreadcore22:20:141
3976963992013,2cyclictest191rcu_preempt22:45:151
3976963992011,4cyclictest56012-21cut22:25:161
3976963992011,4cyclictest0-21swapper/123:45:051
397696099208,5cyclictest167780-21kthreadcore23:40:120
3976960992017,2cyclictest196504-21sh00:00:010
3976960992011,5cyclictest1-21systemd22:55:020
3976960992010,5cyclictest250622-21/usr/sbin/munin00:35:100
3976967991917,1cyclictest0-21swapper/223:20:002
397696399199,3cyclictest4145140-21sshd21:17:481
397696399197,5cyclictest134730-21diskmemload23:19:051
3976963991916,2cyclictest4061506-21aten_repower_fr20:15:081
3976963991916,2cyclictest4036121-21/usr/sbin/munin19:55:011
3976963991916,2cyclictest4029458-21latency_hist19:50:001
3976963991916,2cyclictest0-21swapper/100:10:011
3976963991914,1cyclictest80491kthreadcore21:55:141
3976963991914,1cyclictest191rcu_preempt23:05:091
3976963991913,2cyclictest134050irq/121-eno121:20:161
3976963991913,1cyclictest191rcu_preempt22:50:061
397696099198,4cyclictest181513-21aten2.4-expect23:50:070
397696099197,4cyclictest0-21swapper/021:15:150
397696099195,3cyclictest4061108-21latency_hist20:15:010
397696099191,8cyclictest3998111-21dump-pmu-power19:25:010
3976960991916,2cyclictest4161445-21acpi21:30:040
3976960991916,2cyclictest4161445-21acpi21:30:040
3976960991916,2cyclictest4073678-21dump-pmu-power20:25:000
3976960991916,2cyclictest0-21swapper/022:10:010
2649091190,2phc2sys0-21swapper/322:27:283
3976967991815,1cyclictest0-21swapper/219:55:012
3976967991815,1cyclictest0-21swapper/200:30:002
397696399187,6cyclictest0-21swapper/100:35:001
397696399186,5cyclictest42813-21diskmemload22:18:371
3976963991815,2cyclictest73825-21systemd-run22:40:011
3976963991815,2cyclictest59988-21grep22:30:121
3976963991815,2cyclictest4036355-21aten_repower_en19:55:071
3976963991815,2cyclictest4000631-21kthreadcore19:25:131
3976963991815,2cyclictest3851703-21mta-sts-daemon23:25:201
3976963991815,2cyclictest20475-21sh22:05:001
3976963991815,2cyclictest199677-21kthreadcore00:00:171
3976963991815,2cyclictest165742-21apt-key23:40:011
3976963991815,2cyclictest1290-21dbus-daemon22:45:011
3976963991815,2cyclictest0-21swapper/121:55:001
3976963991815,2cyclictest0-21swapper/121:35:011
3976963991815,2cyclictest0-21swapper/121:35:011
3976963991815,1cyclictest191rcu_preempt23:20:151
3976963991814,3cyclictest4119144-21tail21:00:111
3976963991814,3cyclictest4113388-21kthreadcore20:55:131
3976963991814,3cyclictest250095-21aten_repower_cu00:35:081
3976963991814,3cyclictest192093-21kthreadcore23:55:141
3976963991812,2cyclictest4153652-21kworker/1:2+events_freezable22:08:311
3976963991812,1cyclictest226934-21kworker/1:2+events_freezable00:28:261
397696099189,4cyclictest191rcu_preempt23:06:570
397696099188,5cyclictest0-21swapper/021:20:060
397696099184,5cyclictest0-21swapper/021:35:060
3976960991815,2cyclictest3984177-21kthreadcore19:15:020
3976960991815,2cyclictest3976954-21cyclictest23:35:040
3976960991815,2cyclictest3834587-17auditd23:27:210
3976960991815,2cyclictest235411-21sh00:25:090
3976960991815,2cyclictest0-21swapper/019:55:010
397696099180,10cyclictest85706-21cut22:45:150
2649091180,2phc2sys0-21swapper/320:20:233
3976967991715,1cyclictest0-21swapper/219:15:012
3976967991714,1cyclictest0-21swapper/223:40:002
3976967991714,1cyclictest0-21swapper/222:55:002
3976967991714,1cyclictest0-21swapper/221:25:012
397696399176,5cyclictest4010674-21kworker/1:2+events_freezable19:35:111
397696399174,2cyclictest134050irq/121-eno123:30:061
3976963991714,2cyclictest4055810-21uniq20:10:091
3976963991714,2cyclictest3988784-21kthreadcore19:15:141
3976963991714,2cyclictest29127-21gltestperf22:10:091
3976963991713,3cyclictest4108036-21kthreadcore20:50:141
3976963991713,3cyclictest4100867-21kthreadcore20:45:121
3976963991713,3cyclictest4081540-21kthreadcore20:30:131
3976963991713,3cyclictest4006045-21kthreadcore19:30:131
3976963991713,3cyclictest183973-21kthreadcore23:50:131
3976963991713,3cyclictest167621-21kthreadcore23:40:121
3976963991712,1cyclictest191rcu_preempt20:25:131
3976963991711,1cyclictest211759-21kworker/1:0+events_freezable00:11:501
397696099178,5cyclictest4030536-21kworker/u16:0-events_power_efficient23:10:060
397696099176,6cyclictest0-21swapper/022:25:070
397696099174,4cyclictest491rcuog/219:38:490
397696099173,5cyclictest0-21swapper/019:30:080
397696099171,9cyclictest4127665-21grep21:05:120
3976960991715,1cyclictest3983281-21kworker/u16:2-events_power_efficient19:55:060
3976960991715,1cyclictest227150-21/usr/sbin/munin00:20:020
3976960991714,2cyclictest36189-21aten2.4-expect22:15:090
3976960991714,2cyclictest1426-21gdbus19:50:010
3976960991714,2cyclictest0-21swapper/022:35:020
383433398170,6rtkit-daemon3851703-21mta-sts-daemon23:00:480
2649091171,2phc2sys0-21swapper/322:00:173
2649091170,2phc2sys0-21swapper/322:36:573
2649091170,1phc2sys0-21swapper/321:37:243
2649091170,1phc2sys0-21swapper/320:55:203
3976967991614,1cyclictest0-21swapper/223:10:012
3976967991614,1cyclictest0-21swapper/220:55:002
3976967991613,1cyclictest0-21swapper/223:25:182
3976967991613,1cyclictest0-21swapper/223:11:512
3976967991613,1cyclictest0-21swapper/222:39:542
3976967991613,1cyclictest0-21swapper/222:05:012
3976967991613,1cyclictest0-21swapper/221:35:082
3976967991613,1cyclictest0-21swapper/221:25:102
3976967991612,2cyclictest0-21swapper/200:25:002
397696399164,5cyclictest4182613-21diskmemload21:41:031
397696399163,4cyclictest0-21swapper/121:10:031
397696399163,2cyclictest501rcuop/222:57:161
3976963991613,2cyclictest4184329-21aten_repower_cu21:45:061
3976963991613,2cyclictest4131239-21cpuspeed_turbos21:10:091
3976963991613,2cyclictest4096295-21kthreadcore20:40:131
397696099166,2cyclictest4003292-21memory19:25:150
397696099165,3cyclictest4054840-21latency_hist20:10:010
397696099164,4cyclictest74111-21/usr/sbin/munin22:40:110
397696099163,5cyclictest4042603-21cat20:00:050
3976960991612,3cyclictest1-21systemd20:25:320
397696099160,8cyclictest4101858-21cat20:45:130
397696099160,8cyclictest4086792-21aten_repower_en20:35:060
397696099160,3cyclictest0-21swapper/021:00:480
2649091160,2phc2sys0-21swapper/300:12:453
2649091160,1phc2sys0-21swapper/323:40:503
3976967991513,1cyclictest0-21swapper/222:30:012
3976967991513,1cyclictest0-21swapper/220:35:012
3976967991513,1cyclictest0-21swapper/219:20:002
3976967991512,2cyclictest0-21swapper/221:00:012
3976967991512,1cyclictest0-21swapper/222:56:052
3976967991512,1cyclictest0-21swapper/222:20:182
3976967991512,1cyclictest0-21swapper/222:05:142
3976967991512,1cyclictest0-21swapper/221:40:132
3976967991512,1cyclictest0-21swapper/221:05:112
3976967991512,1cyclictest0-21swapper/220:45:012
3976967991512,1cyclictest0-21swapper/220:23:352
3976967991512,1cyclictest0-21swapper/219:35:002
3976967991511,2cyclictest0-21swapper/223:20:192
3976967991511,2cyclictest0-21swapper/220:15:202
397696099152,5cyclictest4061405-21/usr/sbin/munin20:15:190
3976960991512,2cyclictest4106087-21cpuspeed_turbos20:50:090
3976960991512,2cyclictest4022387-21mailstats19:40:160
3976960991511,3cyclictest4094449-21irqrtprio20:40:120
2649091150,2phc2sys0-21swapper/323:26:353
2649091150,2phc2sys0-21swapper/322:59:143
2649091150,2phc2sys0-21swapper/322:23:413
2649091150,2phc2sys0-21swapper/322:05:463
2649091150,2phc2sys0-21swapper/300:16:343
2649091150,2phc2sys0-21swapper/300:06:593
397696799145,4cyclictest0-21swapper/200:05:072
397696799142,6cyclictest0-21swapper/200:00:002
3976967991412,1cyclictest0-21swapper/223:45:022
3976967991412,1cyclictest0-21swapper/219:25:012
3976967991412,1cyclictest0-21swapper/200:05:022
3976967991411,1cyclictest0-21swapper/223:00:052
3976967991411,1cyclictest0-21swapper/221:59:072
3976967991411,1cyclictest0-21swapper/220:28:432
3976967991411,1cyclictest0-21swapper/219:55:102
3976967991411,1cyclictest0-21swapper/219:50:012
3976967991411,1cyclictest0-21swapper/219:40:002
3976967991411,1cyclictest0-21swapper/200:35:012
3976967991411,1cyclictest0-21swapper/200:20:012
3976967991410,2cyclictest0-21swapper/222:45:162
3976967991410,2cyclictest0-21swapper/221:45:132
3976967991410,2cyclictest0-21swapper/200:10:132
2649091141,2phc2sys0-21swapper/322:30:243
2649091141,2phc2sys0-21swapper/320:51:313
2649091140,2phc2sys0-21swapper/323:33:453
2649091140,2phc2sys0-21swapper/322:16:293
2649091140,1phc2sys0-21swapper/319:08:483
2649091140,1phc2sys0-21swapper/300:28:443
397696799139,2cyclictest0-21swapper/220:45:102
397696799131,5cyclictest0-21swapper/219:30:002
3976967991311,1cyclictest0-21swapper/223:45:102
3976967991311,1cyclictest0-21swapper/222:40:202
3976967991311,1cyclictest0-21swapper/222:30:512
3976967991311,1cyclictest0-21swapper/222:10:132
3976967991311,1cyclictest0-21swapper/221:15:132
3976967991311,1cyclictest0-21swapper/220:10:012
3976967991311,1cyclictest0-21swapper/200:35:152
3976967991310,2cyclictest0-21swapper/223:30:182
3976967991310,1cyclictest0-21swapper/221:52:532
3976967991310,1cyclictest0-21swapper/221:35:022
3976967991310,1cyclictest0-21swapper/221:35:012
3976967991310,1cyclictest0-21swapper/221:03:052
3976967991310,1cyclictest0-21swapper/219:40:092
2649091135,3phc2sys0-21swapper/322:50:013
2649091131,3phc2sys0-21swapper/323:00:253
2649091130,5phc2sys0-21swapper/320:25:063
2649091130,2phc2sys0-21swapper/323:47:193
2649091130,2phc2sys0-21swapper/323:11:363
2649091130,2phc2sys0-21swapper/321:43:433
2649091130,2phc2sys0-21swapper/321:23:023
2649091130,1phc2sys0-21swapper/300:20:443
3976967991210,1cyclictest0-21swapper/220:10:062
3976967991210,1cyclictest0-21swapper/220:00:082
397696399129,2cyclictest3748874-21kworker/u16:0-events_power_efficient19:10:021
397696099129,2cyclictest3977154-21unin-run19:10:020
2649091127,2phc2sys0-21swapper/322:54:353
2649091123,2phc2sys0-21swapper/300:33:213
2649091121,3phc2sys0-21swapper/319:12:003
2649091121,2phc2sys0-21swapper/323:08:523
2649091120,2phc2sys0-21swapper/323:55:013
2649091120,2phc2sys0-21swapper/320:35:053
2649091120,2phc2sys0-21swapper/319:40:063
2649091120,1phc2sys0-21swapper/321:51:153
2649091113,2phc2sys0-21swapper/319:40:023
2649091111,2phc2sys0-21swapper/323:15:063
2649091111,2phc2sys0-21swapper/322:40:143
2649091110,3phc2sys0-21swapper/323:35:053
2649091110,3phc2sys0-21swapper/320:19:543
2649091110,2phc2sys0-21swapper/323:56:463
2649091110,2phc2sys0-21swapper/323:20:063
2649091110,2phc2sys0-21swapper/321:49:193
2649091110,2phc2sys0-21swapper/321:17:043
2649091110,1phc2sys0-21swapper/319:29:213
2649091102,2phc2sys0-21swapper/319:54:293
2649091102,2phc2sys0-21swapper/300:36:503
2649091101,4phc2sys0-21swapper/320:40:063
2649091101,2phc2sys0-21swapper/322:10:313
2649091101,2phc2sys0-21swapper/321:55:083
2649091101,2phc2sys0-21swapper/321:25:063
2649091101,2phc2sys0-21swapper/319:35:013
2649091101,2phc2sys0-21swapper/319:15:103
2649091100,6phc2sys4137563-21chrt21:13:023
2649091100,2phc2sys0-21swapper/320:00:063
2649091100,2phc2sys0-21swapper/319:20:073
2649091100,2phc2sys0-21swapper/300:04:313
264909192,2phc2sys0-21swapper/321:30:103
264909192,2phc2sys0-21swapper/321:30:103
264909191,2phc2sys0-21swapper/320:30:123
264909191,2phc2sys0-21swapper/320:05:073
264909190,3phc2sys0-21swapper/321:05:053
264909190,2phc2sys0-21swapper/321:00:093
264909190,2phc2sys0-21swapper/320:45:143
264909190,2phc2sys0-21swapper/319:45:073
264909190,1phc2sys0-21swapper/320:10:243
39769679986,1cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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