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2025-11-18 - 02:34
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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 18, 2025 01:01:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3440699321315,3cyclictest0-21swapper/1200:26:544
3440699321315,3cyclictest0-21swapper/1200:26:534
3437499260257,2cyclictest0-21swapper/222:38:2812
3437499260257,2cyclictest0-21swapper/222:38:2812
3437499260257,2cyclictest0-21swapper/222:38:2812
3444499258214,30cyclictest0-21swapper/3020:55:2324
3446999244211,19cyclictest15984-21CPU31
3446999244211,19cyclictest15984-21CPU31
3446999244211,19cyclictest15984-21CPU31
3444499238204,22cyclictest0-21swapper/3020:50:2024
3438599236231,2cyclictest0-21swapper/723:25:3037
3438599236231,2cyclictest0-21swapper/723:25:2937
3438599236231,2cyclictest0-21swapper/723:25:2937
3440699232213,12cyclictest0-21swapper/1223:55:204
3440699232213,12cyclictest0-21swapper/1223:55:194
3440699232213,12cyclictest0-21swapper/1223:55:194
34447992121,171cyclictest0-21swapper/3223:50:2226
34447992121,171cyclictest0-21swapper/3223:50:2226
34447992121,171cyclictest0-21swapper/3223:50:2126
343779920921,184cyclictest32437-21NetworkChangeNo22:10:2034
343779920921,184cyclictest32437-21NetworkChangeNo22:10:2034
343779920921,184cyclictest32437-21NetworkChangeNo22:10:1934
3442599207150,49cyclictest0-21swapper/2622:09:2219
3442599207150,49cyclictest0-21swapper/2622:09:2219
3442599207150,49cyclictest0-21swapper/2622:09:2219
34425992061,138cyclictest15982-21CPU19
34425992061,138cyclictest15982-21CPU19
34425992061,138cyclictest15982-21CPU19
344189920613,72cyclictest30879-21TaskSchedulerSi22:45:2311
344189920613,72cyclictest30879-21TaskSchedulerSi22:45:2311
3440199205195,5cyclictest39811-21sshd23:25:393
3440199205195,5cyclictest39811-21sshd23:25:393
3440199205195,5cyclictest39811-21sshd23:25:393
3447099204199,3cyclictest0-21swapper/3821:15:1632
3447099204199,3cyclictest0-21swapper/3821:15:1532
3440699203196,5cyclictest0-21swapper/1223:41:454
3440699203196,5cyclictest0-21swapper/1223:41:454
3444499202183,17cyclictest0-21swapper/3023:06:3624
3444499202183,17cyclictest0-21swapper/3023:06:3624
3444499202183,17cyclictest0-21swapper/3023:06:3624
3438999202183,5cyclictest36793-21nfsd23:20:2138
3438999202183,5cyclictest36793-21nfsd23:20:2138
3436899202190,9cyclictest0-21swapper/122:31:051
3436899202190,9cyclictest0-21swapper/122:31:041
3442799200191,6cyclictest15978-21CPU20
3442799200191,6cyclictest15978-21CPU20
3444299199159,38cyclictest0-21swapper/2822:55:1121
3444299199159,38cyclictest0-21swapper/2822:55:1121
3444299199159,38cyclictest0-21swapper/2822:55:1121
3444299194190,2cyclictest0-21swapper/2822:53:4921
3444299194190,2cyclictest0-21swapper/2822:53:4921
344189919444,44cyclictest0-21swapper/1921:20:2011
344189919444,44cyclictest0-21swapper/1921:20:1911
344189919444,44cyclictest0-21swapper/1921:20:1911
3436899193180,8cyclictest0-21swapper/122:15:521
3436899193180,8cyclictest0-21swapper/122:15:521
3436899193180,8cyclictest0-21swapper/122:15:521
3437499192176,3cyclictest0-21swapper/221:50:2312
3437499192176,3cyclictest0-21swapper/221:50:2212
3437499192176,3cyclictest0-21swapper/221:50:2212
3436899191153,35cyclictest0-21swapper/122:05:361
3436899191153,35cyclictest0-21swapper/122:05:351
3436899191153,35cyclictest0-21swapper/122:05:351
344259919068,113cyclictest18028-21inotify_reader22:30:2019
344259919068,113cyclictest18028-21inotify_reader22:30:2019
344199919037,113cyclictest9041-21inotify_reader21:45:1913
344199919037,113cyclictest9041-21inotify_reader21:45:1813
344139918959,119cyclictest9327-21CPU7
3446999188181,5cyclictest0-21swapper/3720:04:1231
34425991882,93cyclictest11904-21CPU19
34425991882,93cyclictest11904-21CPU19
34425991882,93cyclictest11904-21CPU19
34425991881,73cyclictest0-21swapper/2619:45:2119
34425991881,73cyclictest0-21swapper/2619:45:2119
3436899188177,6cyclictest15981-21CPU1
3436899188177,6cyclictest15981-21CPU1
3447099187179,4cyclictest15979-21CPU32
3447099187179,4cyclictest15979-21CPU32
3447099187179,4cyclictest15979-21CPU32
34445991879,78cyclictest0-21swapper/3123:25:2025
34445991879,78cyclictest0-21swapper/3123:25:2025
34445991879,78cyclictest0-21swapper/3123:25:2025
344459918711,172cyclictest3592-21inotify_reader22:15:2225
344459918711,172cyclictest3592-21inotify_reader22:15:2225
344459918711,172cyclictest3592-21inotify_reader22:15:2225
344259918759,119cyclictest18765-21inotify_reader19:30:1819
344259918759,119cyclictest18765-21inotify_reader19:30:1819
3440699187170,10cyclictest0-21swapper/1223:25:404
3440699187170,10cyclictest0-21swapper/1223:25:394
3440699187170,10cyclictest0-21swapper/1223:25:394
3444499186179,5cyclictest4898-21qemu-system-x8620:30:1224
3444499186179,5cyclictest4898-21qemu-system-x8620:30:1224
3444299186172,12cyclictest0-21swapper/2822:16:4121
3444299186172,12cyclictest0-21swapper/2822:16:4121
3444299186172,12cyclictest0-21swapper/2822:16:4121
3439199186172,12cyclictest0-21swapper/921:16:0639
3439199186172,12cyclictest0-21swapper/921:16:0639
343669918639,135cyclictest26737-21inotify_reader21:05:200
343669918639,135cyclictest26737-21inotify_reader21:05:200
34377991851,179cyclictest0-21swapper/423:00:2034
34377991851,179cyclictest0-21swapper/423:00:2034
34377991851,179cyclictest0-21swapper/423:00:1934
3436899185174,7cyclictest0-21swapper/119:40:411
3436899185174,7cyclictest0-21swapper/119:40:401
3444799183146,34cyclictest0-21swapper/3223:43:2126
3444799183146,34cyclictest0-21swapper/3223:43:2126
344259918356,117cyclictest3592-21inotify_reader19:55:2319
34425991832,109cyclictest24932-21NetworkChangeNo20:00:2019
344259918312,77cyclictest0-21swapper/2620:45:2019
344259918312,77cyclictest0-21swapper/2620:45:2019
344189918335,138cyclictest0-21swapper/1920:15:1911
344189918335,138cyclictest0-21swapper/1920:15:1911
343769918381,98cyclictest4905-21CPU23
343769918381,98cyclictest4905-21CPU23
34376991836,49cyclictest4898-21qemu-system-x8622:10:2023
34376991836,49cyclictest4898-21qemu-system-x8622:10:1923
34376991836,49cyclictest4898-21qemu-system-x8622:10:1923
3446999182162,16cyclictest0-21swapper/3721:00:1731
3446999182162,16cyclictest0-21swapper/3721:00:1631
34425991821,118cyclictest0-21swapper/2623:40:1919
34425991821,118cyclictest0-21swapper/2623:40:1919
34425991811,95cyclictest0-21swapper/2620:55:2319
34425991811,129cyclictest0-21swapper/2621:15:2019
34425991811,129cyclictest0-21swapper/2621:15:1919
3442099181169,10cyclictest0-21swapper/2123:40:1314
3442099181169,10cyclictest0-21swapper/2123:40:1314
34408991813,10cyclictest32987-21NetworkChangeNo00:10:195
34408991813,10cyclictest32987-21NetworkChangeNo00:10:195
34408991813,10cyclictest32987-21NetworkChangeNo00:10:185
3439199181172,7cyclictest0-21swapper/922:22:5439
3439199181172,7cyclictest0-21swapper/922:22:5439
3439199181172,7cyclictest0-21swapper/922:22:5439
3437699181113,61cyclictest11902-21CPU23
3437699181113,61cyclictest11902-21CPU23
3436899181174,5cyclictest0-21swapper/123:47:441
3436899181174,5cyclictest0-21swapper/123:47:441
3444399180138,34cyclictest11901-21CPU22
3444399180138,34cyclictest11901-21CPU22
3444399180138,34cyclictest11901-21CPU22
344149918059,8cyclictest20792-21NetworkChangeNo21:30:198
344149918059,8cyclictest20792-21NetworkChangeNo21:30:198
3446999179135,33cyclictest0-21swapper/3723:50:2731
3446999179135,33cyclictest0-21swapper/3723:50:2731
3446999179135,33cyclictest0-21swapper/3723:50:2731
3444799179106,70cyclictest13055-21inotify_reader20:10:2026
3444799179106,70cyclictest13055-21inotify_reader20:10:2026
344229917933,50cyclictest0-21swapper/2320:10:2016
344229917933,50cyclictest0-21swapper/2320:10:2016
3442099179119,47cyclictest2525-21sshd00:13:5714
3442099179119,47cyclictest2525-21sshd00:13:5714
3442099179119,47cyclictest2525-21sshd00:13:5714
34416991791,5cyclictest32027-21TaskSchedulerSi23:30:1810
34416991791,5cyclictest32027-21TaskSchedulerSi23:30:1810
34416991791,5cyclictest32027-21TaskSchedulerSi23:30:1810
344159917960,115cyclictest0-21swapper/1722:00:209
344159917960,115cyclictest0-21swapper/1722:00:209
3437499179172,4cyclictest11902-21CPU12
3437499179172,4cyclictest11902-21CPU12
344699917869,105cyclictest11898-21CPU31
344699917869,105cyclictest11898-21CPU31
344699917869,105cyclictest11898-21CPU31
34447991781,172cyclictest0-21swapper/3223:30:4426
34447991781,172cyclictest0-21swapper/3223:30:4426
34447991781,172cyclictest0-21swapper/3223:30:4326
3442599178105,66cyclictest4633-21CPU19
3442599178105,66cyclictest4633-21CPU19
3442599178105,66cyclictest4633-21CPU19
344189917847,46cyclictest15979-21CPU11
344189917847,46cyclictest15979-21CPU11
3444299177136,21cyclictest0-21swapper/2822:24:1721
3444299177136,21cyclictest0-21swapper/2822:24:1721
3444299177136,21cyclictest0-21swapper/2822:24:1721
3441899177137,33cyclictest0-21swapper/1922:13:0911
3441899177137,33cyclictest0-21swapper/1922:13:0911
3441899177137,33cyclictest0-21swapper/1922:13:0811
34416991772,170cyclictest0-21swapper/1800:30:1910
34416991772,170cyclictest0-21swapper/1800:30:1910
3437699177153,8cyclictest0-21swapper/322:07:0223
3437699177153,8cyclictest0-21swapper/322:07:0223
3437699177153,8cyclictest0-21swapper/322:07:0223
3446999176103,66cyclictest4906-21CPU31
3446999176103,66cyclictest4906-21CPU31
34425991760,116cyclictest0-21swapper/2621:40:2119
34425991760,116cyclictest0-21swapper/2621:40:2119
344229917655,52cyclictest0-21swapper/2323:30:2116
344229917655,52cyclictest0-21swapper/2323:30:2116
344229917655,52cyclictest0-21swapper/2323:30:2116
3442199176169,3cyclictest0-21swapper/2221:40:5815
3442199176169,3cyclictest0-21swapper/2221:40:5815
344219917613,45cyclictest0-21swapper/2220:25:2015
344219917613,45cyclictest0-21swapper/2220:25:2015
34416991761,46cyclictest15983-21CPU10
34416991761,46cyclictest15983-21CPU10
3441599176133,34cyclictest0-21swapper/1722:56:419
3441599176133,34cyclictest0-21swapper/1722:56:419
3441599176133,34cyclictest0-21swapper/1722:56:419
34392991769,48cyclictest15982-21CPU2
34392991769,48cyclictest15982-21CPU2
344699917567,81cyclictest11905-21CPU31
344699917567,81cyclictest11905-21CPU31
34447991751,120cyclictest0-21swapper/3222:55:2726
34447991751,120cyclictest0-21swapper/3222:55:2726
34447991751,120cyclictest0-21swapper/3222:55:2726
3444299175162,11cyclictest0-21swapper/2823:43:2321
3444299175162,11cyclictest0-21swapper/2823:43:2321
3442099175157,9cyclictest0-21swapper/2121:43:1014
3442099175157,9cyclictest0-21swapper/2121:43:0914
344189917548,115cyclictest0-21swapper/1921:50:2211
344189917548,115cyclictest0-21swapper/1921:50:2211
344189917548,115cyclictest0-21swapper/1921:50:2211
344159917581,89cyclictest0-21swapper/1722:25:219
344159917581,89cyclictest0-21swapper/1722:25:219
3441399175171,2cyclictest0-21swapper/1521:30:217
3441399175171,2cyclictest0-21swapper/1521:30:217
344069917574,87cyclictest11903-21CPU4
344069917574,87cyclictest11903-21CPU4
344069917574,87cyclictest11903-21CPU4
3446999174164,8cyclictest0-21swapper/3723:05:2231
3446999174164,8cyclictest0-21swapper/3723:05:2131
3446999174164,8cyclictest0-21swapper/3723:05:2131
344629917433,136cyclictest0-21swapper/3619:35:2030
344629917433,136cyclictest0-21swapper/3619:35:2030
3444799174121,42cyclictest0-21swapper/3221:30:5826
3444799174121,42cyclictest0-21swapper/3221:30:5826
3444499174160,6cyclictest0-21swapper/3019:40:1924
3444499174160,6cyclictest0-21swapper/3019:40:1824
344259917475,96cyclictest10767-21inotify_reader22:15:2319
344259917475,96cyclictest10767-21inotify_reader22:15:2319
344259917475,96cyclictest10767-21inotify_reader22:15:2319
3442299174129,33cyclictest11905-21CPU16
3442299174129,33cyclictest11905-21CPU16
3441599174108,63cyclictest31900-21inotify_reader23:20:199
3441599174108,63cyclictest31900-21inotify_reader23:20:199
3446999173153,17cyclictest15984-21CPU31
3446999173153,17cyclictest15984-21CPU31
344479917398,72cyclictest795-21inotify_reader23:00:1926
344479917398,72cyclictest795-21inotify_reader23:00:1926
344479917398,72cyclictest795-21inotify_reader23:00:1926
344429917393,53cyclictest4906-21CPU21
344429917393,53cyclictest4906-21CPU21
344429917393,53cyclictest4906-21CPU21
344089917311,156cyclictest4905-21CPU5
344089917311,156cyclictest4905-21CPU5
3446999172103,64cyclictest4905-21CPU31
3446999172103,64cyclictest4905-21CPU31
34447991723,164cyclictest0-21swapper/3221:35:2126
34447991723,164cyclictest0-21swapper/3221:35:2126
34447991723,164cyclictest0-21swapper/3221:35:2126
3444499172165,5cyclictest0-21swapper/3020:10:1624
3444499172165,5cyclictest0-21swapper/3020:10:1624
3444299172163,6cyclictest0-21swapper/2820:21:4621
3444299172163,6cyclictest0-21swapper/2820:21:4621
3444299172159,11cyclictest0-21swapper/2823:22:2921
3444299172159,11cyclictest0-21swapper/2823:22:2921
3444299172138,30cyclictest11901-21CPU21
3444299172138,30cyclictest11901-21CPU21
3444299172138,30cyclictest11901-21CPU21
344259917272,69cyclictest1155-21inotify_reader20:30:1919
344259917272,69cyclictest1155-21inotify_reader20:30:1919
344189917272,91cyclictest767-21systemd-journal23:26:2211
344189917272,91cyclictest767-21systemd-journal23:26:2211
344189917272,91cyclictest767-21systemd-journal23:26:2111
3441899172106,62cyclictest0-21swapper/1921:43:4411
3441899172106,62cyclictest0-21swapper/1921:43:4411
343919917296,62cyclictest0-21swapper/900:20:1439
343919917296,62cyclictest0-21swapper/900:20:1439
3437699172112,51cyclictest0-21swapper/322:00:1823
3437699172112,51cyclictest0-21swapper/322:00:1823
344259917182,83cyclictest4910-21CPU19
344259917182,83cyclictest4910-21CPU19
3442599171116,53cyclictest0-21swapper/2622:49:3719
3442599171116,53cyclictest0-21swapper/2622:49:3719
34425991710,125cyclictest0-21swapper/2621:29:2319
34425991710,125cyclictest0-21swapper/2621:29:2319
3442299171154,7cyclictest0-21swapper/2321:02:2116
3442299171154,7cyclictest0-21swapper/2321:02:2116
3442099171141,28cyclictest0-21swapper/2100:31:0614
3442099171141,28cyclictest0-21swapper/2100:31:0614
344169917113,154cyclictest1362-21inotify_reader22:30:2010
344169917113,154cyclictest1362-21inotify_reader22:30:2010
3440699171166,3cyclictest0-21swapper/1200:03:254
3440699171166,3cyclictest0-21swapper/1200:03:254
3440699171165,4cyclictest0-21swapper/1223:31:344
3440699171165,4cyclictest0-21swapper/1223:31:344
3440699171165,4cyclictest0-21swapper/1223:31:334
3438299171123,37cyclictest15982-21CPU35
3438299171123,37cyclictest15982-21CPU35
3438299171123,37cyclictest15982-21CPU35
3438299171116,39cyclictest0-21swapper/500:25:4435
3438299171116,39cyclictest0-21swapper/500:25:4435
3437499171162,8cyclictest0-21swapper/222:20:1812
3437499171162,8cyclictest0-21swapper/222:20:1812
3437499171162,8cyclictest0-21swapper/222:20:1812
344699917034,131cyclictest0-21swapper/3720:15:2231
344699917034,131cyclictest0-21swapper/3720:15:2231
344479917087,50cyclictest27935-21inotify_reader21:45:1726
344479917087,50cyclictest27935-21inotify_reader21:45:1726
34445991703,4cyclictest4908-21CPU25
34445991703,4cyclictest4908-21CPU25
344209917043,118cyclictest0-21swapper/2123:15:2114
344209917043,118cyclictest0-21swapper/2123:15:2014
344209917043,118cyclictest0-21swapper/2123:15:2014
3442099170149,9cyclictest0-21swapper/2122:09:0214
3442099170149,9cyclictest0-21swapper/2122:09:0214
3442099170149,9cyclictest0-21swapper/2122:09:0114
34415991706,87cyclictest28931-21NetworkChangeNo21:15:199
34415991706,87cyclictest28931-21NetworkChangeNo21:15:189
3440699170165,3cyclictest0-21swapper/1221:15:224
3440699170165,3cyclictest0-21swapper/1221:15:214
343769917083,70cyclictest11901-21CPU23
343769917083,70cyclictest11901-21CPU23
343769917083,70cyclictest11901-21CPU23
3437699170102,62cyclictest9334-21CPU23
3437699170102,62cyclictest9334-21CPU23
343749917020,16cyclictest0-21swapper/220:35:2312
343749917020,16cyclictest0-21swapper/220:35:2312
3436699170137,16cyclictest0-21swapper/023:30:180
3436699170137,16cyclictest0-21swapper/023:30:180
3436699170137,16cyclictest0-21swapper/023:30:180
3446999169164,2cyclictest0-21swapper/3722:06:0931
3446999169164,2cyclictest0-21swapper/3722:06:0931
3446999169164,2cyclictest0-21swapper/3722:06:0831
344619916937,116cyclictest34235-21inotify_reader23:20:2129
344619916937,116cyclictest34235-21inotify_reader23:20:2129
34447991691,105cyclictest9844-21inotify_reader20:50:2126
34445991691,4cyclictest4898-21qemu-system-x8600:12:5025
34445991691,4cyclictest4898-21qemu-system-x8600:12:5025
34445991691,4cyclictest4898-21qemu-system-x8600:12:5025
3444299169129,30cyclictest171rcu_preempt21:49:1021
3444299169129,30cyclictest171rcu_preempt21:49:1021
344259916992,72cyclictest11901-21CPU19
344259916992,72cyclictest11901-21CPU19
344259916992,72cyclictest11901-21CPU19
344259916985,69cyclictest4909-21CPU19
344259916985,69cyclictest4909-21CPU19
344259916985,69cyclictest4909-21CPU19
3442599169109,58cyclictest0-21swapper/2621:37:2119
3442599169109,58cyclictest0-21swapper/2621:37:2119
3442599169109,58cyclictest0-21swapper/2621:37:2119
3442299169110,39cyclictest15979-21CPU16
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344189916975,62cyclictest0-21swapper/1920:50:1911
34416991695,120cyclictest34008-21NetworkChangeNo23:35:1810
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34415991693,163cyclictest0-21swapper/1719:40:219
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3440699169152,10cyclictest0-21swapper/1223:16:274
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3440699169122,27cyclictest0-21swapper/1222:30:214
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34377991691,87cyclictest0-21swapper/421:50:2234
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343689916982,68cyclictest3079-21CPU1
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3446999168161,4cyclictest0-21swapper/3721:59:5231
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3446999168155,6cyclictest0-21swapper/3721:11:1131
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3446299168120,31cyclictest3079-21CPU30
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344619916818,133cyclictest10762-21NetworkChangeNo23:55:1929
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344619916818,133cyclictest10762-21NetworkChangeNo23:55:1929
3444799168114,42cyclictest0-21swapper/3221:25:2026
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