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2026-05-23 - 08:40
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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 Sat May 23, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
108206621140,1sleep00-21swapper/023:44:580
10872542980,2sleep30-21swapper/323:45:103
8638282570,2sleep0191rcu_preempt21:20:070
695317992927,1cyclictest0-21swapper/200:10:022
695317992623,1cyclictest0-21swapper/221:00:002
695316992522,2cyclictest1290-21dbus-daemon21:45:021
695315992421,2cyclictest730288-21grep19:40:000
695315992417,6cyclictest998650-21unin-run22:50:020
695315992417,6cyclictest998650-21unin-run22:50:010
9987862230,2sleep30-21swapper/322:50:013
9987862230,2sleep30-21swapper/322:50:013
695317992321,1cyclictest0-21swapper/222:40:012
695317992321,1cyclictest0-21swapper/221:25:022
695317992321,1cyclictest0-21swapper/200:10:032
695317992321,1cyclictest0-21swapper/200:10:032
695316992320,2cyclictest1290-21dbus-daemon23:05:021
695316992320,2cyclictest1290-21dbus-daemon23:05:021
695316992320,2cyclictest1059769-21grep23:30:011
695316992317,2cyclictest134050irq/121-eno123:34:581
695317992220,1cyclictest0-21swapper/223:55:022
695316992219,2cyclictest0-21swapper/121:30:021
695316992216,5cyclictest0-21swapper/122:37:291
695315992219,2cyclictest1144739-21wc00:25:020
695315992214,7cyclictest1167528-21irqcore00:40:030
695317992118,1cyclictest0-21swapper/221:05:002
695316992118,2cyclictest805347-21/usr/sbin/munin20:40:001
695316992118,2cyclictest1052906-21kthreadcore23:25:021
695316992118,2cyclictest0-21swapper/120:30:031
695315992118,2cyclictest1136117-21apt-config00:20:020
695315992118,2cyclictest1006100-21dump-pmu-power22:55:010
695315992112,8cyclictest1158611-21ssh00:34:540
695315992112,5cyclictest872049-21timerwakeupswit21:25:090
695315992112,5cyclictest1029720-21kthreadcore23:10:030
2649191210,1ptp4l0-21swapper/323:30:103
695317992018,1cyclictest0-21swapper/223:59:592
695317992018,1cyclictest0-21swapper/219:25:022
695317992017,1cyclictest0-21swapper/221:40:022
695317992017,1cyclictest0-21swapper/220:45:002
695317992017,1cyclictest0-21swapper/219:35:002
695317992017,1cyclictest0-21swapper/200:35:012
695317992015,2cyclictest851454-21taskset21:15:002
695316992017,2cyclictest768997-21irqrtprio20:10:021
695316992015,3cyclictest0-21swapper/122:30:021
695316992015,1cyclictest383433398rtkit-daemon23:53:291
695316992015,1cyclictest191rcu_preempt21:31:231
69531599209,6cyclictest0-21swapper/022:20:510
695315992017,2cyclictest930011-21if_err_enp1s022:05:020
695315992017,2cyclictest695313-21cyclictest22:25:020
695315992017,2cyclictest1120876-21idleruntime00:10:010
695317991917,1cyclictest0-21swapper/222:10:032
695317991916,1cyclictest0-21swapper/220:05:012
695317991916,1cyclictest0-21swapper/219:55:012
695316991916,2cyclictest905782-21if_enp1s0.821:50:021
695316991916,2cyclictest801048-21kthreadcore20:35:011
695316991916,2cyclictest341rcuc/123:40:001
695316991916,2cyclictest1290-21dbus-daemon22:31:441
695316991916,2cyclictest1137018-21irqrtprio00:20:031
695316991916,2cyclictest1006105-21turbostat22:55:001
695316991915,3cyclictest983979-21irqrtprio22:40:021
695316991915,2cyclictest0-21swapper/122:20:021
695316991915,1cyclictest191rcu_preempt20:25:021
695316991913,2cyclictest17350irq/127-ahci[0000:00:17.0]00:15:001
695316991913,2cyclictest17350irq/127-ahci[0000:00:17.0]00:15:001
695316991913,2cyclictest0-21swapper/121:15:001
695316991912,3cyclictest134050irq/121-eno122:11:311
69531599198,6cyclictest0-21swapper/021:45:050
695315991916,2cyclictest793623-21if_enp1s020:30:010
695315991916,2cyclictest750219-21latency_hist19:55:020
695315991916,2cyclictest3880722-21gmain20:35:020
695315991916,2cyclictest1290-21dbus-daemon21:10:010
695315991916,2cyclictest0-21swapper/023:00:010
695315991915,4cyclictest0-21swapper/021:55:130
383433398190,2rtkit-daemon3851705-21mta-sts-daemon19:19:260
2649091191,2phc2sys0-21swapper/323:36:213
9075572180,2sleep30-21swapper/321:50:053
695317991816,1cyclictest0-21swapper/223:20:012
695317991816,1cyclictest0-21swapper/223:15:022
695317991816,1cyclictest0-21swapper/222:20:022
695317991816,1cyclictest0-21swapper/221:55:022
695317991816,1cyclictest0-21swapper/221:45:022
695317991816,1cyclictest0-21swapper/200:40:012
695317991815,1cyclictest0-21swapper/223:35:022
695317991815,1cyclictest0-21swapper/220:25:112
695317991815,1cyclictest0-21swapper/219:45:002
69531699188,6cyclictest755070-21tail19:59:561
695316991817,1cyclictest0-21swapper/120:42:421
695316991815,2cyclictest858857-21sh21:20:001
695316991815,2cyclictest736841-21systemd-run19:45:001
695316991815,2cyclictest718268-21irqcore19:30:021
695316991815,2cyclictest0-21swapper/121:55:021
695316991814,2cyclictest0-21swapper/122:00:011
69531599188,2cyclictest0-21swapper/023:28:460
69531599186,7cyclictest0-21swapper/022:34:560
69531599181,7cyclictest0-21swapper/022:19:560
695315991815,2cyclictest831099-21sh21:00:000
695315991815,2cyclictest768434-21if_eno120:10:010
695315991815,2cyclictest1290-21dbus-daemon21:35:010
695315991815,2cyclictest0-21swapper/023:10:010
695315991815,2cyclictest0-21swapper/000:05:020
695315991814,2cyclictest0-21swapper/020:50:000
695315991812,5cyclictest1016208-21kthreadcore23:00:050
695315991812,5cyclictest1016208-21kthreadcore23:00:040
695315991810,4cyclictest1060325-21kthreadcore23:30:030
2649091180,2phc2sys0-21swapper/322:38:003
695317991715,1cyclictest0-21swapper/223:35:012
695317991715,1cyclictest0-21swapper/223:10:022
695317991715,1cyclictest0-21swapper/222:55:002
695317991715,1cyclictest0-21swapper/221:55:232
695317991715,1cyclictest0-21swapper/220:13:342
695317991715,1cyclictest0-21swapper/200:20:032
695317991714,1cyclictest0-21swapper/223:50:022
695317991714,1cyclictest0-21swapper/222:55:022
695317991714,1cyclictest0-21swapper/222:45:042
695317991714,1cyclictest0-21swapper/222:45:042
695317991714,1cyclictest0-21swapper/222:31:332
695317991714,1cyclictest0-21swapper/222:00:082
695317991714,1cyclictest0-21swapper/221:10:022
695317991714,1cyclictest0-21swapper/220:20:012
695317991713,2cyclictest0-21swapper/220:05:042
69531699179,3cyclictest0-21swapper/123:42:521
69531699173,5cyclictest738384-21tr19:45:021
695316991714,2cyclictest998498-21basename22:50:001
695316991714,2cyclictest998498-21basename22:50:001
695316991714,2cyclictest3851702-21mta-sts-daemon20:49:061
695316991714,2cyclictest3827634-1atopacctd21:35:041
695316991714,2cyclictest1326-21systemd-logind23:00:021
695316991714,2cyclictest1-21systemd19:35:011
695316991714,2cyclictest1164402-21xargs00:35:101
695316991714,2cyclictest0-21swapper/122:05:001
695316991714,2cyclictest0-21swapper/121:20:031
695316991714,2cyclictest0-21swapper/100:00:041
695316991710,1cyclictest601rcuop/320:12:411
695316991710,1cyclictest601rcuop/300:05:211
69531599177,6cyclictest1052107-21irqcore23:25:000
69531599171,5cyclictest491rcuog/221:10:400
695315991714,2cyclictest913581-21gpgconf21:55:020
695315991714,2cyclictest825679-21systemd-run20:55:010
695315991714,2cyclictest774976-21irqcore20:15:010
695315991714,2cyclictest737897-21kthreadcore19:45:020
695315991714,2cyclictest1097976-21irqcore23:55:010
2649091170,4phc2sys0-21swapper/322:42:213
2649091170,4phc2sys0-21swapper/319:20:053
2649091170,2phc2sys0-21swapper/323:06:463
695317991614,1cyclictest0-21swapper/222:25:042
695317991614,1cyclictest0-21swapper/221:50:022
695317991614,1cyclictest0-21swapper/221:35:022
695317991614,1cyclictest0-21swapper/221:30:012
695317991614,1cyclictest0-21swapper/220:35:022
695317991614,1cyclictest0-21swapper/200:00:052
695317991613,2cyclictest0-21swapper/222:24:222
695317991613,1cyclictest0-21swapper/221:20:012
695317991613,1cyclictest0-21swapper/219:20:002
69531699169,6cyclictest3851705-21mta-sts-daemon20:19:581
69531699166,4cyclictest1006600-21kworker/u16:1+nfsiod23:06:141
69531699166,3cyclictest0-21swapper/100:30:311
695316991613,2cyclictest825646-21irqrtprio20:55:011
695316991613,2cyclictest762168-21gltestperf20:05:011
695316991613,2cyclictest749376-21apt-key19:55:001
695316991613,2cyclictest730643-21wc19:40:011
695316991613,2cyclictest3851703-21mta-sts-daemon21:10:011
695316991613,2cyclictest1087812-21sh23:46:001
695316991613,2cyclictest0-21swapper/119:25:001
69531699161,13cyclictest936486-21apt-get22:09:561
695316991610,5cyclictest3851703-21mta-sts-daemon21:00:081
695316991610,1cyclictest601rcuop/323:58:081
69531599166,5cyclictest0-21swapper/021:19:570
695315991613,2cyclictest782289-21kthreadcore20:20:010
695315991613,2cyclictest737506-21kthreadcore19:45:020
695315991613,2cyclictest724517-21/usr/sbin/munin19:35:000
695315991613,2cyclictest695313-21cyclictest20:40:050
695315991613,2cyclictest1326-21systemd-logind19:15:010
695315991613,2cyclictest0-21swapper/023:20:010
695315991613,2cyclictest0-21swapper/021:05:000
695315991613,2cyclictest0-21swapper/020:05:010
2649091160,3phc2sys0-21swapper/323:05:023
2649091160,3phc2sys0-21swapper/323:05:023
2649091160,2phc2sys0-21swapper/323:14:433
2649091160,2phc2sys0-21swapper/322:51:573
695317991513,1cyclictest0-21swapper/223:40:042
695317991513,1cyclictest0-21swapper/223:30:022
695317991513,1cyclictest0-21swapper/222:45:012
695317991513,1cyclictest0-21swapper/219:50:012
695317991513,1cyclictest0-21swapper/219:40:002
695317991513,1cyclictest0-21swapper/219:25:022
695317991513,1cyclictest0-21swapper/200:24:572
695317991512,1cyclictest0-21swapper/219:59:202
695317991512,1cyclictest0-21swapper/219:15:002
695317991512,1cyclictest0-21swapper/200:28:362
69531699155,2cyclictest191rcu_preempt19:20:011
69531699154,4cyclictest0-21swapper/122:22:511
69531699151,7cyclictest967804-21kworker/1:1-events23:12:531
695316991512,2cyclictest3834332-21rtkit-daemon23:15:261
695316991512,2cyclictest1143285-21aten_repower_po00:24:571
695316991512,2cyclictest0-21swapper/119:15:011
695316991511,3cyclictest828496-21kthreadcore20:55:031
69531599159,5cyclictest0-21swapper/023:35:020
69531599156,8cyclictest941457-21tr22:10:050
69531599155,4cyclictest754924-21sshd19:58:530
695315991512,2cyclictest806253-21sh20:40:000
695315991512,2cyclictest787169-21grep20:25:000
695315991512,2cyclictest718363-21latency_hist19:30:020
695315991512,2cyclictest695331-21cut19:10:000
695315991512,2cyclictest3851703-21mta-sts-daemon22:36:040
695315991512,2cyclictest3851703-21mta-sts-daemon21:42:140
695315991512,2cyclictest1128791-21sh00:15:020
695315991512,2cyclictest1128791-21sh00:15:020
695315991512,2cyclictest1083022-21irqrtprio23:45:020
69531599150,7cyclictest1152611-21unin-run00:30:020
69531599150,13cyclictest937180-21fw_packets22:10:000
2649091152,5phc2sys0-21swapper/321:04:563
2649091150,2phc2sys0-21swapper/322:04:053
2649091150,2phc2sys0-21swapper/321:58:073
2649091150,1phc2sys0-21swapper/321:36:223
695317991412,1cyclictest0-21swapper/223:20:052
695316991411,2cyclictest1-21systemd00:26:511
69531599147,6cyclictest3851705-21mta-sts-daemon22:42:580
695315991412,1cyclictest1099481-21kthreadcore23:55:020
695315991411,2cyclictest883511-21kthreadcore21:35:030
695315991411,2cyclictest711793-21latency_hist19:25:000
2649091140,4phc2sys0-21swapper/321:19:583
2649091140,3phc2sys0-21swapper/322:28:383
2649091140,2phc2sys0-21swapper/323:56:423
2649091140,2phc2sys0-21swapper/322:22:253
2649091140,2phc2sys0-21swapper/321:12:183
2649091140,2phc2sys0-21swapper/321:05:213
2649091140,2phc2sys0-21swapper/320:50:283
2649091140,2phc2sys0-21swapper/319:59:553
2649091140,1phc2sys0-21swapper/323:22:143
2649091140,1phc2sys0-21swapper/320:22:133
695317991311,1cyclictest0-21swapper/223:00:052
695317991311,1cyclictest0-21swapper/223:00:052
695317991311,1cyclictest0-21swapper/222:05:022
695317991311,1cyclictest0-21swapper/220:50:002
695317991311,1cyclictest0-21swapper/220:35:042
695317991311,1cyclictest0-21swapper/220:20:032
695317991310,1cyclictest0-21swapper/220:50:192
2649091131,5phc2sys0-21swapper/320:44:563
2649091131,2phc2sys0-21swapper/300:09:563
2649091130,2phc2sys0-21swapper/322:15:453
2649091130,2phc2sys0-21swapper/320:37:443
2649091130,1phc2sys0-21swapper/319:10:223
69531699128,3cyclictest695332-21tail19:10:001
2649091123,2phc2sys0-21swapper/321:30:063
2649091121,2phc2sys0-21swapper/323:45:023
2649091120,4phc2sys0-21swapper/322:56:363
2649091120,1phc2sys0-21swapper/322:07:223
2649091120,1phc2sys0-21swapper/319:15:363
2649091120,1phc2sys0-21swapper/300:10:163
2649091120,1phc2sys0-21swapper/300:10:163
69531799119,1cyclictest0-21swapper/219:10:012
2649091112,2phc2sys0-21swapper/321:47:453
2649091111,4phc2sys0-21swapper/321:29:573
2649091111,3phc2sys0-21swapper/300:24:553
2649091110,5phc2sys0-21swapper/300:29:553
2649091110,2phc2sys0-21swapper/323:18:133
2649091110,1phc2sys0-21swapper/320:01:533
2649091110,1phc2sys0-21swapper/319:41:013
2649091110,1phc2sys0-21swapper/300:19:293
2649091103,1phc2sys0-21swapper/320:30:393
2649091101,4phc2sys0-21swapper/320:49:573
2649091100,3phc2sys0-21swapper/300:38:413
2649091100,2phc2sys0-21swapper/323:25:063
2649091100,2phc2sys0-21swapper/322:30:153
2649091100,2phc2sys0-21swapper/320:29:563
2649091100,2phc2sys0-21swapper/319:49:553
2649091100,2phc2sys0-21swapper/319:39:563
2649091100,2phc2sys0-21swapper/319:30:113
2649091100,2phc2sys0-21swapper/319:27:423
2649091100,2phc2sys0-21swapper/300:30:043
2649091100,2phc2sys0-21swapper/300:01:263
2649091100,1phc2sys0-21swapper/320:56:543
2649091100,1phc2sys0-21swapper/319:50:463
264909191,2phc2sys0-21swapper/321:20:083
264909190,2phc2sys0-21swapper/323:51:083
264909190,2phc2sys0-21swapper/322:10:023
264909190,2phc2sys0-21swapper/321:40:563
264909190,2phc2sys0-21swapper/320:17:523
264909190,2phc2sys0-21swapper/320:10:033
264909190,2phc2sys0-21swapper/320:05:063
264909190,2phc2sys0-21swapper/319:09:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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