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2025-11-25 - 05:11
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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 rack6slot0.osadl.org (updated Tue Nov 25, 2025 01:00:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
201399260232,12cyclictest0-21swapper/3422:40:1828
201399260232,12cyclictest0-21swapper/3422:40:1828
201399235209,15cyclictest0-21swapper/3420:55:1828
201399235209,15cyclictest0-21swapper/3420:55:1828
200499230205,10cyclictest31279-21sshd00:20:2120
200499230205,10cyclictest31279-21sshd00:20:2120
19979921811,79cyclictest15981-21CPU14
19979921811,79cyclictest15981-21CPU14
19869921721,7cyclictest25044-21inotify_reader23:45:182
19869921721,7cyclictest25044-21inotify_reader23:45:182
19869921721,7cyclictest25044-21inotify_reader23:45:182
19729921737,45cyclictest39597-21NetworkChangeNo19:35:210
19729921737,45cyclictest39597-21NetworkChangeNo19:35:210
2016992149,188cyclictest6434-21inotify_reader23:45:1831
2016992149,188cyclictest6434-21inotify_reader23:45:1831
2016992149,188cyclictest6434-21inotify_reader23:45:1831
201399208189,10cyclictest0-21swapper/3421:05:1828
201399208189,10cyclictest0-21swapper/3421:05:1828
201299208199,4cyclictest4912-21CPU27
201299208199,4cyclictest4912-21CPU27
201299208199,4cyclictest4912-21CPU27
1976992071,82cyclictest0-21swapper/323:55:2023
1976992071,82cyclictest0-21swapper/323:55:2023
1976992071,82cyclictest0-21swapper/323:55:2023
1976992062,178cyclictest13096-21inotify_reader21:10:2023
1976992062,178cyclictest13096-21inotify_reader21:10:2023
1976992062,178cyclictest13096-21inotify_reader21:10:2023
19869919930,46cyclictest24159-21inotify_reader19:55:182
19869919930,46cyclictest24159-21inotify_reader19:55:182
197299199126,68cyclictest3078-21CPU0
197299199126,68cyclictest3078-21CPU0
2016991941,103cyclictest0-21swapper/3721:10:2131
2016991941,103cyclictest0-21swapper/3721:10:2131
2016991941,103cyclictest0-21swapper/3721:10:2031
199599194126,60cyclictest11902-21CPU11
199599194126,60cyclictest11902-21CPU11
1999991919,140cyclictest0-21swapper/2220:40:1815
1999991919,140cyclictest0-21swapper/2220:40:1815
1990991911,44cyclictest0-21swapper/1423:50:196
1990991911,44cyclictest0-21swapper/1423:50:196
19909919110,169cyclictest0-21swapper/1420:15:216
19909919110,169cyclictest0-21swapper/1420:15:216
2011991901,92cyclictest0-21swapper/3219:30:1926
2011991901,92cyclictest0-21swapper/3219:30:1926
200599190157,16cyclictest0-21swapper/2823:00:2021
200599190157,16cyclictest0-21swapper/2823:00:1921
200399190187,2cyclictest0-21swapper/2623:56:5419
200399190187,2cyclictest0-21swapper/2623:56:5419
200399190187,2cyclictest0-21swapper/2623:56:5419
1975991901,22cyclictest0-21swapper/222:05:1912
1975991901,22cyclictest0-21swapper/222:05:1912
20119918932,144cyclictest15984-21CPU26
20119918932,144cyclictest15984-21CPU26
1997991896,118cyclictest0-21swapper/2123:00:2014
1997991896,118cyclictest0-21swapper/2123:00:2014
19729918918,163cyclictest0-21swapper/023:50:180
19729918918,163cyclictest0-21swapper/023:50:180
20069918896,78cyclictest3078-21CPU22
20069918896,78cyclictest3078-21CPU22
20069918896,78cyclictest3078-21CPU22
19919918880,102cyclictest3078-21CPU7
19919918880,102cyclictest3078-21CPU7
200499186181,3cyclictest0-21swapper/2721:35:1120
200499186181,3cyclictest0-21swapper/2721:35:1120
1990991865,174cyclictest0-21swapper/1419:35:216
1990991865,174cyclictest0-21swapper/1419:35:216
201899184156,26cyclictest0-21swapper/3923:37:3833
201899184156,26cyclictest0-21swapper/3923:37:3833
201699184142,31cyclictest0-21swapper/3721:22:3831
201699184142,31cyclictest0-21swapper/3721:22:3831
1974991846,9cyclictest2931-21qemu-system-x8621:05:181
1974991846,9cyclictest2931-21qemu-system-x8621:05:181
2015991831,177cyclictest9334-21CPU30
2015991831,177cyclictest9334-21CPU30
198499183179,2cyclictest0-21swapper/922:00:0639
198499183179,2cyclictest0-21swapper/922:00:0639
2015991821,4cyclictest0-21swapper/3623:55:2030
2015991821,4cyclictest0-21swapper/3623:55:2030
2015991821,4cyclictest0-21swapper/3623:55:2030
200999182137,16cyclictest0-21swapper/3123:02:4425
200999182137,16cyclictest0-21swapper/3123:02:4425
1997991821,168cyclictest0-21swapper/2122:00:1814
1997991821,168cyclictest0-21swapper/2122:00:1814
19879918226,135cyclictest36579-21NetworkChangeNo00:05:193
19879918226,135cyclictest36579-21NetworkChangeNo00:05:183
19869918240,136cyclictest10092-21inotify_reader19:35:212
19869918240,136cyclictest10092-21inotify_reader19:35:202
19749918212,7cyclictest11898-21CPU1
19749918212,7cyclictest11898-21CPU1
201799181133,16cyclictest171rcu_preempt23:11:4032
201799181133,16cyclictest171rcu_preempt23:11:4032
201799181133,16cyclictest171rcu_preempt23:11:4032
201699181110,65cyclictest11903-21CPU31
201699181110,65cyclictest11903-21CPU31
201699181110,65cyclictest11903-21CPU31
200199181165,14cyclictest0-21swapper/2400:16:4617
200199181165,14cyclictest0-21swapper/2400:16:4617
201399180174,5cyclictest0-21swapper/3421:56:1328
201399180174,5cyclictest0-21swapper/3421:56:1328
20099918031,137cyclictest0-21swapper/3120:15:2025
20099918031,137cyclictest0-21swapper/3120:15:2025
200699180167,9cyclictest0-21swapper/2900:34:5522
200699180167,9cyclictest0-21swapper/2900:34:5522
200599180146,20cyclictest0-21swapper/2800:25:1921
200599180146,20cyclictest0-21swapper/2800:25:1921
199799180149,28cyclictest36795-21nfsd23:31:5514
199799180149,28cyclictest36795-21nfsd23:31:5514
199799180149,28cyclictest36795-21nfsd23:31:5514
201799179169,6cyclictest0-21swapper/3822:12:2332
201799179169,6cyclictest0-21swapper/3822:12:2332
201799179169,6cyclictest0-21swapper/3822:12:2332
199399179174,4cyclictest0-21swapper/1721:41:099
199399179174,4cyclictest0-21swapper/1721:41:099
199399179174,4cyclictest0-21swapper/1721:41:099
1990991796,163cyclictest4624-21qemu-system-x8620:00:206
1990991796,163cyclictest4624-21qemu-system-x8620:00:206
201799178131,25cyclictest0-21swapper/3800:14:4132
201799178131,25cyclictest0-21swapper/3800:14:4132
201799178131,25cyclictest0-21swapper/3800:14:4132
201399178175,2cyclictest296-21ksoftirqd/3421:49:1328
201399178175,2cyclictest296-21ksoftirqd/3421:49:1328
201399178175,2cyclictest296-21ksoftirqd/3421:49:1228
201399178170,5cyclictest0-21swapper/3421:22:4828
201399178170,5cyclictest0-21swapper/3421:22:4828
200599178156,3cyclictest6251-21bash23:15:2021
200599178156,3cyclictest6251-21bash23:15:2021
200599178156,3cyclictest6251-21bash23:15:2021
19729917849,94cyclictest15984-21CPU0
19729917849,94cyclictest15984-21CPU0
201799177151,11cyclictest171rcu_preempt22:39:1632
201799177151,11cyclictest171rcu_preempt22:39:1532
201399177144,14cyclictest0-21swapper/3423:11:1928
201399177144,14cyclictest0-21swapper/3423:11:1928
201399177144,14cyclictest0-21swapper/3423:11:1928
200699177161,14cyclictest0-21swapper/2923:17:1822
200699177161,14cyclictest0-21swapper/2923:17:1822
200699177161,14cyclictest0-21swapper/2923:17:1822
200699177143,31cyclictest11903-21CPU22
200699177143,31cyclictest11903-21CPU22
200699177143,31cyclictest11903-21CPU22
20169917660,101cyclictest0-21swapper/3721:35:2331
20169917660,101cyclictest0-21swapper/3721:35:2231
201399176164,10cyclictest0-21swapper/3423:06:1928
201399176164,10cyclictest0-21swapper/3423:06:1928
201399176164,10cyclictest0-21swapper/3423:06:1928
201199176122,50cyclictest15957-21qemu-system-x8620:33:3526
201199176122,50cyclictest15957-21qemu-system-x8620:33:3526
19979917643,128cyclictest4905-21CPU14
19979917643,128cyclictest4905-21CPU14
1997991760,84cyclictest6937-21inotify_reader19:30:2014
1997991760,84cyclictest6937-21inotify_reader19:30:2014
1986991760,26cyclictest0-21swapper/1019:40:192
20169917559,104cyclictest0-21swapper/3719:55:1631
20169917559,104cyclictest0-21swapper/3719:55:1631
201399175105,43cyclictest4634-21CPU28
201399175105,43cyclictest4634-21CPU28
2011991751,96cyclictest0-21swapper/3200:35:1726
2011991751,96cyclictest0-21swapper/3200:35:1726
2011991751,170cyclictest0-21swapper/3223:45:1826
2011991751,170cyclictest0-21swapper/3223:45:1826
2011991751,170cyclictest0-21swapper/3223:45:1826
1997991758,76cyclictest15984-21CPU14
1997991758,76cyclictest15984-21CPU14
1997991758,76cyclictest15984-21CPU14
1974991751,168cyclictest0-21swapper/123:35:201
1974991751,168cyclictest0-21swapper/123:35:201
201799174152,10cyclictest0-21swapper/3820:48:3532
201799174152,10cyclictest0-21swapper/3820:48:3532
201399174160,9cyclictest0-21swapper/3422:15:0028
201399174160,9cyclictest0-21swapper/3422:15:0028
201399174160,9cyclictest0-21swapper/3422:15:0028
1997991742,168cyclictest16254-21TaskSchedulerSi19:55:1814
1997991742,168cyclictest16254-21TaskSchedulerSi19:55:1814
199799174131,40cyclictest0-21swapper/2123:21:3514
199799174131,40cyclictest0-21swapper/2123:21:3514
199399174164,8cyclictest0-21swapper/1720:04:339
199399174164,8cyclictest0-21swapper/1720:04:339
199399174102,58cyclictest15984-21CPU9
199399174102,58cyclictest15984-21CPU9
199399174102,58cyclictest15984-21CPU9
197899174146,26cyclictest0-21swapper/523:42:3135
197899174146,26cyclictest0-21swapper/523:42:3035
2015991731,156cyclictest12728-21TaskSchedulerSi23:45:1830
2015991731,156cyclictest12728-21TaskSchedulerSi23:45:1830
2015991731,156cyclictest12728-21TaskSchedulerSi23:45:1830
201399173167,4cyclictest0-21swapper/3419:25:5728
201399173167,4cyclictest0-21swapper/3419:25:5728
201399173158,12cyclictest0-21swapper/3400:08:0028
201399173158,12cyclictest0-21swapper/3400:08:0028
2011991733,165cyclictest4908-21CPU26
2011991733,165cyclictest4908-21CPU26
201199173128,34cyclictest0-21swapper/3223:19:4926
201199173128,34cyclictest0-21swapper/3223:19:4926
201199173128,34cyclictest0-21swapper/3223:19:4926
200199173158,13cyclictest0-21swapper/2421:44:5417
200199173158,13cyclictest0-21swapper/2421:44:5417
200199173158,13cyclictest0-21swapper/2421:44:5417
199599173167,5cyclictest0-21swapper/1919:52:3311
199599173167,5cyclictest0-21swapper/1919:52:3311
199399173164,7cyclictest0-21swapper/1700:15:399
199399173164,7cyclictest0-21swapper/1700:15:399
19909917310,86cyclictest0-21swapper/1419:55:186
19909917310,86cyclictest0-21swapper/1419:55:176
2015991720,76cyclictest23641-21inotify_reader00:30:2030
2015991720,76cyclictest23641-21inotify_reader00:30:1930
201399172166,4cyclictest0-21swapper/3421:17:2528
201399172166,4cyclictest0-21swapper/3421:17:2528
201399172166,4cyclictest0-21swapper/3421:17:2528
201399172159,7cyclictest0-21swapper/3422:45:1528
201399172159,7cyclictest0-21swapper/3422:45:1528
19999917221,82cyclictest36796-21nfsd19:30:1915
19999917221,82cyclictest36796-21nfsd19:30:1915
1997991721,167cyclictest39567-21inotify_reader22:05:1814
1997991721,167cyclictest39567-21inotify_reader22:05:1814
1987991724,154cyclictest38776-21TaskSchedulerSi23:35:193
1987991724,154cyclictest38776-21TaskSchedulerSi23:35:193
201799171138,12cyclictest0-21swapper/3800:34:4032
201799171138,12cyclictest0-21swapper/3800:34:4032
201799171130,22cyclictest15985-21CPU32
201799171130,22cyclictest15985-21CPU32
201799171130,22cyclictest15985-21CPU32
201699171133,31cyclictest0-21swapper/3723:32:4031
201699171133,31cyclictest0-21swapper/3723:32:4031
201699171133,31cyclictest0-21swapper/3723:32:4031
201399171164,5cyclictest0-21swapper/3419:31:3128
201399171164,5cyclictest0-21swapper/3419:31:3128
201399171156,13cyclictest0-21swapper/3400:23:5128
201399171156,13cyclictest0-21swapper/3400:23:5128
199199171162,5cyclictest0-21swapper/1522:36:077
199199171162,5cyclictest0-21swapper/1522:36:077
19769917196,67cyclictest14701-21inotify_reader20:25:1923
19769917196,67cyclictest14701-21inotify_reader20:25:1823
19729917152,110cyclictest0-21swapper/023:55:210
19729917152,110cyclictest0-21swapper/023:55:210
19729917152,110cyclictest0-21swapper/023:55:210
201799170154,6cyclictest0-21swapper/3820:31:3432
201799170154,6cyclictest0-21swapper/3820:31:3432
20159917025,142cyclictest20368-21inotify_reader23:40:1830
20159917025,142cyclictest20368-21inotify_reader23:40:1830
201399170163,5cyclictest0-21swapper/3422:00:5428
201399170163,5cyclictest0-21swapper/3422:00:5428
200199170150,13cyclictest0-21swapper/2422:49:3917
200199170150,13cyclictest0-21swapper/2422:49:3917
199599170150,6cyclictest0-21swapper/1921:57:0011
199599170150,6cyclictest0-21swapper/1921:57:0011
199399170152,9cyclictest15957-21qemu-system-x8623:34:279
199399170152,9cyclictest15957-21qemu-system-x8623:34:279
199399170152,9cyclictest15957-21qemu-system-x8623:34:279
19749917090,76cyclictest38204-21NetworkChangeNo21:15:191
19749917090,76cyclictest38204-21NetworkChangeNo21:15:191
19749917090,76cyclictest38204-21NetworkChangeNo21:15:191
20179916935,109cyclictest35242-21NetworkChangeNo19:50:2032
20179916935,109cyclictest35242-21NetworkChangeNo19:50:2032
201699169100,64cyclictest784-21inotify_reader22:55:1931
201699169100,64cyclictest784-21inotify_reader22:55:1931
2011991691,147cyclictest0-21swapper/3221:25:1926
2011991691,147cyclictest0-21swapper/3221:25:1926
2011991691,147cyclictest0-21swapper/3221:25:1926
19979916932,132cyclictest4637-21CPU14
19979916932,132cyclictest4637-21CPU14
199599169131,15cyclictest171rcu_preempt00:30:3311
199599169131,15cyclictest171rcu_preempt00:30:3311
199399169157,6cyclictest0-21swapper/1723:21:579
199399169157,6cyclictest0-21swapper/1723:21:579
199399169156,11cyclictest0-21swapper/1723:40:469
199399169156,11cyclictest0-21swapper/1723:40:469
199399169118,48cyclictest0-21swapper/1700:00:199
199399169118,48cyclictest0-21swapper/1700:00:199
199399169118,48cyclictest0-21swapper/1700:00:199
19799916930,126cyclictest37888-21NetworkChangeNo22:10:1836
19799916930,126cyclictest37888-21NetworkChangeNo22:10:1836
19799916930,126cyclictest37888-21NetworkChangeNo22:10:1836
1976991696,93cyclictest12606-21inotify_reader19:35:2123
1976991696,93cyclictest12606-21inotify_reader19:35:2123
201799168147,9cyclictest0-21swapper/3821:06:2632
201799168147,9cyclictest0-21swapper/3821:06:2632
20169916873,58cyclictest11726-21inotify_reader00:05:1931
20169916873,58cyclictest11726-21inotify_reader00:05:1931
2016991685,155cyclictest0-21swapper/3723:55:2031
2016991685,155cyclictest0-21swapper/3723:55:2031
2016991685,155cyclictest0-21swapper/3723:55:2031
201699168138,21cyclictest0-21swapper/3723:20:0131
201699168138,21cyclictest0-21swapper/3723:20:0131
201699168138,21cyclictest0-21swapper/3723:20:0131
2015991681,113cyclictest0-21swapper/3621:05:1830
2015991681,113cyclictest0-21swapper/3621:05:1830
201399168158,8cyclictest0-21swapper/3420:20:2228
201399168158,8cyclictest0-21swapper/3420:20:2228
2011991681,158cyclictest33839-21TaskSchedulerSi19:55:1826
2011991681,158cyclictest33839-21TaskSchedulerSi19:55:1826
200999168139,18cyclictest171rcu_preempt22:42:4725
200999168139,18cyclictest171rcu_preempt22:42:4625
199799168151,14cyclictest0-21swapper/2123:00:0614
199599168150,12cyclictest0-21swapper/1921:31:1311
199599168150,12cyclictest0-21swapper/1921:31:1311
199399168154,12cyclictest0-21swapper/1719:33:009
199399168154,12cyclictest0-21swapper/1719:33:009
1976991681,163cyclictest28932-21inotify_reader19:40:2023
2015991671,151cyclictest0-21swapper/3621:40:2030
2015991671,151cyclictest0-21swapper/3621:40:1930
2015991671,151cyclictest0-21swapper/3621:40:1930
2011991671,152cyclictest0-21swapper/3219:40:2026
200999167140,18cyclictest0-21swapper/3100:04:2025
200999167140,18cyclictest0-21swapper/3100:04:2025
200999167140,18cyclictest0-21swapper/3100:04:2025
1999991671,163cyclictest36796-21nfsd23:10:1815
1999991671,163cyclictest36796-21nfsd23:10:1815
1999991671,163cyclictest36796-21nfsd23:10:1815
199399167157,8cyclictest0-21swapper/1722:50:599
199399167157,8cyclictest0-21swapper/1722:50:599
199399167157,8cyclictest0-21swapper/1722:50:599
199399167150,15cyclictest0-21swapper/1719:10:569
199399167148,9cyclictest0-21swapper/1721:48:539
199399167148,9cyclictest0-21swapper/1721:48:539
199399167148,9cyclictest0-21swapper/1721:48:539
1987991679,133cyclictest17328-21TaskSchedulerSi23:55:193
1987991679,133cyclictest17328-21TaskSchedulerSi23:55:193
1987991679,133cyclictest17328-21TaskSchedulerSi23:55:193
197299167142,23cyclictest0-21swapper/022:01:550
197299167142,23cyclictest0-21swapper/022:01:540
201799166133,11cyclictest171rcu_preempt21:52:1732
201799166133,11cyclictest171rcu_preempt21:52:1732
2016991661,161cyclictest0-21swapper/3722:00:1831
2016991661,161cyclictest0-21swapper/3722:00:1831
2015991661,88cyclictest0-21swapper/3619:30:2030
2015991661,88cyclictest0-21swapper/3619:30:2030
20159916613,146cyclictest14635-21TaskSchedulerSi19:35:2130
20159916613,146cyclictest14635-21TaskSchedulerSi19:35:2130
201199166109,46cyclictest36795-21nfsd00:00:2526
201199166109,46cyclictest36795-21nfsd00:00:2426
201199166109,46cyclictest36795-21nfsd00:00:2426
200999166150,9cyclictest171rcu_preempt23:46:2525
200999166150,9cyclictest171rcu_preempt23:46:2525
200999166150,9cyclictest171rcu_preempt23:46:2525
200699166152,12cyclictest0-21swapper/2923:09:3522
200699166152,12cyclictest0-21swapper/2923:09:3522
200699166152,12cyclictest0-21swapper/2923:09:3522
1997991662,4cyclictest11902-21CPU14
1997991662,4cyclictest11902-21CPU14
199399166152,5cyclictest0-21swapper/1722:07:219
199399166152,5cyclictest0-21swapper/1722:07:209
1976991668,148cyclictest0-21swapper/320:10:1923
1976991661,85cyclictest15980-21CPU23
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201399165159,4cyclictest0-21swapper/3420:17:1728
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201399165149,13cyclictest0-21swapper/3421:14:4328
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201199165135,20cyclictest0-21swapper/3200:27:2226
201199165135,20cyclictest0-21swapper/3200:27:2226
20099916541,37cyclictest31655-21inotify_reader20:50:1925
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1997991658,81cyclictest31380-21NetworkChangeNo20:45:2014
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199599165153,9cyclictest34678-21kworker/19:1-events19:26:1711
199599165153,9cyclictest34678-21kworker/19:1-events19:26:1711
199399165155,8cyclictest0-21swapper/1722:20:529
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199399165150,8cyclictest0-21swapper/1721:28:129
199399165150,8cyclictest0-21swapper/1721:28:129
199399165150,8cyclictest0-21swapper/1721:28:129
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199399165103,58cyclictest9327-21CPU9
198299165147,16cyclictest0-21swapper/823:44:0038
198299165147,16cyclictest0-21swapper/823:44:0038
197299165132,23cyclictest0-21swapper/000:08:250
197299165132,23cyclictest0-21swapper/000:08:250
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