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2025-11-24 - 08:27
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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 Mon Nov 24, 2025 01:01:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
154599262233,13cyclictest15978-21CPU18
154599262233,13cyclictest15978-21CPU18
154599256224,12cyclictest38025-21NetworkChangeNo20:05:1918
154599256224,12cyclictest38025-21NetworkChangeNo20:05:1918
154599238206,12cyclictest8424-21inotify_reader22:55:1918
154599238206,12cyclictest8424-21inotify_reader22:55:1918
154599234202,21cyclictest33730-21inotify_reader19:20:2018
154599234202,21cyclictest33730-21inotify_reader19:20:2018
154499230221,5cyclictest15984-21CPU17
154499230221,5cyclictest15984-21CPU17
15119922410,189cyclictest37454-21NetworkChangeNo20:15:2039
15119922410,189cyclictest37454-21NetworkChangeNo20:15:2039
154499222219,2cyclictest0-21swapper/2400:23:3317
154499222219,2cyclictest0-21swapper/2400:23:3317
15629921950,83cyclictest37357-21TaskSchedulerSi00:35:2032
15629921950,83cyclictest37357-21TaskSchedulerSi00:35:1932
15629921950,83cyclictest37357-21TaskSchedulerSi00:35:1932
154499210184,11cyclictest0-21swapper/2423:45:1817
154499210184,11cyclictest0-21swapper/2423:45:1817
154599209186,10cyclictest0-21swapper/2521:40:1918
154599209186,10cyclictest0-21swapper/2521:40:1918
15119920466,91cyclictest15466-21inotify_reader23:05:1839
15119920466,91cyclictest15466-21inotify_reader23:05:1839
154599203149,44cyclictest20792-21NetworkChangeNo22:35:2118
154599203149,44cyclictest20792-21NetworkChangeNo22:35:2118
151299199195,2cyclictest0-21swapper/1000:20:182
151299199195,2cyclictest0-21swapper/1000:20:182
1511991990,189cyclictest20718-21chromium21:43:2539
1511991990,189cyclictest20718-21chromium21:43:2539
151699197193,2cyclictest0-21swapper/1322:21:015
151699197193,2cyclictest0-21swapper/1322:21:015
1511991961,94cyclictest0-21swapper/900:04:0039
1511991961,94cyclictest0-21swapper/900:04:0039
1511991961,94cyclictest0-21swapper/900:04:0039
154599195181,9cyclictest4906-21CPU18
154599195181,9cyclictest4906-21CPU18
154599194190,2cyclictest0-21swapper/2521:17:3718
154599194190,2cyclictest0-21swapper/2521:17:3718
1504991942,63cyclictest2237-21inotify_reader20:40:2023
1504991942,63cyclictest2237-21inotify_reader20:40:1923
154599193186,5cyclictest0-21swapper/2521:20:2018
154599193186,5cyclictest0-21swapper/2521:20:2018
154599193185,5cyclictest0-21swapper/2521:25:2218
154599193185,5cyclictest0-21swapper/2521:25:2218
15119919392,97cyclictest36795-21nfsd00:05:2239
15119919392,97cyclictest36795-21nfsd00:05:2239
15119919392,97cyclictest36795-21nfsd00:05:2139
150899193174,6cyclictest0-21swapper/621:53:3436
150899193174,6cyclictest0-21swapper/621:53:3336
150399193179,3cyclictest0-21swapper/200:20:1912
150399193179,3cyclictest0-21swapper/200:20:1912
15529919245,44cyclictest31930-21TaskSchedulerSi00:25:2124
15529919245,44cyclictest31930-21TaskSchedulerSi00:25:2024
15529919245,44cyclictest31930-21TaskSchedulerSi00:25:2024
154599192187,3cyclictest0-21swapper/2520:20:0218
154599192187,3cyclictest0-21swapper/2520:20:0218
1511991911,55cyclictest36796-21nfsd19:45:2339
1511991911,55cyclictest36796-21nfsd19:45:2339
1555991900,4cyclictest5602-21sshd00:10:2426
1555991900,4cyclictest5602-21sshd00:10:2426
154499190166,9cyclictest4052-21sshd00:30:1917
154499190166,9cyclictest4052-21sshd00:30:1917
150899190180,7cyclictest0-21swapper/620:52:5836
150899190180,7cyclictest0-21swapper/620:52:5836
154599189160,19cyclictest37468-21TaskSchedulerSi23:20:2118
154599189160,19cyclictest37468-21TaskSchedulerSi23:20:2118
1511991892,127cyclictest4630-21CPU39
1511991892,127cyclictest4630-21CPU39
1511991892,127cyclictest4630-21CPU39
155499188167,19cyclictest0-21swapper/3100:31:0725
155499188167,19cyclictest0-21swapper/3100:31:0725
154599188182,3cyclictest0-21swapper/2521:35:0818
154599188182,3cyclictest0-21swapper/2521:35:0818
151199188112,71cyclictest27274-21inotify_reader22:40:1839
151199188112,71cyclictest27274-21inotify_reader22:40:1839
150399188152,11cyclictest0-21swapper/220:50:1512
150399188152,11cyclictest0-21swapper/220:50:1512
151799187178,6cyclictest0-21swapper/1421:10:546
151799187178,6cyclictest0-21swapper/1421:10:546
1531991863,163cyclictest9327-21CPU14
1531991863,163cyclictest9327-21CPU14
15119918699,79cyclictest6949-21TaskSchedulerSi00:25:2039
15119918699,79cyclictest6949-21TaskSchedulerSi00:25:1939
15119918699,79cyclictest6949-21TaskSchedulerSi00:25:1939
1511991862,179cyclictest0-21swapper/922:00:1739
1511991862,179cyclictest0-21swapper/922:00:1739
1511991862,179cyclictest0-21swapper/922:00:1639
1511991860,180cyclictest36795-21nfsd23:50:3039
1511991860,180cyclictest36795-21nfsd23:50:3039
1511991860,180cyclictest36795-21nfsd23:50:3039
156099185152,16cyclictest0-21swapper/3600:10:1130
156099185152,16cyclictest0-21swapper/3600:10:1130
154599185175,6cyclictest11893-21qemu-system-x8621:39:2718
154599185175,6cyclictest11893-21qemu-system-x8621:39:2718
154599185175,6cyclictest11893-21qemu-system-x8621:39:2718
154599185174,9cyclictest0-21swapper/2522:15:1618
154599185174,9cyclictest0-21swapper/2522:15:1518
1531991854,175cyclictest0-21swapper/2121:37:4514
1531991854,175cyclictest0-21swapper/2121:37:4514
1531991854,175cyclictest0-21swapper/2121:37:4514
151699185172,11cyclictest0-21swapper/1321:12:335
151699185172,11cyclictest0-21swapper/1321:12:335
151199185137,45cyclictest0-21swapper/920:35:3239
151199185137,45cyclictest0-21swapper/920:35:3239
1504991852,3cyclictest31704-21inotify_reader00:10:2323
1504991852,3cyclictest31704-21inotify_reader00:10:2323
154499184176,6cyclictest0-21swapper/2400:17:3317
154499184176,6cyclictest0-21swapper/2400:17:3317
154499184176,6cyclictest0-21swapper/2400:17:3317
15139918412,148cyclictest15663-21inotify_reader19:25:203
155999183180,2cyclictest0-21swapper/3520:40:1529
155999183180,2cyclictest0-21swapper/3520:40:1529
1531991836,173cyclictest11283-21inotify_reader22:30:1914
1531991836,173cyclictest11283-21inotify_reader22:30:1914
1531991836,173cyclictest11283-21inotify_reader22:30:1914
1511991831,174cyclictest0-21swapper/900:13:5339
1511991831,174cyclictest0-21swapper/900:13:5339
15099918380,99cyclictest0-21swapper/700:20:1837
15099918380,99cyclictest0-21swapper/700:20:1837
1555991821,157cyclictest0-21swapper/3200:00:1826
1555991821,157cyclictest0-21swapper/3200:00:1826
1555991821,157cyclictest0-21swapper/3200:00:1826
154599182178,2cyclictest0-21swapper/2522:09:5818
154599182178,2cyclictest0-21swapper/2522:09:5818
15289918273,105cyclictest0-21swapper/1920:15:1711
15289918273,105cyclictest0-21swapper/1920:15:1711
152099182146,26cyclictest0-21swapper/1622:20:388
152099182146,26cyclictest0-21swapper/1622:20:388
1511991821,174cyclictest3862-21inotify_reader21:35:2039
1511991821,174cyclictest3862-21inotify_reader21:35:2039
1511991821,174cyclictest3862-21inotify_reader21:35:2039
154599181174,5cyclictest0-21swapper/2522:30:1618
154599181174,5cyclictest0-21swapper/2522:30:1618
154599181174,5cyclictest0-21swapper/2522:30:1618
154599181173,3cyclictest15981-21CPU18
154599181173,3cyclictest15981-21CPU18
15119918168,101cyclictest35886-21inotify_reader00:20:1739
15119918168,101cyclictest35886-21inotify_reader00:20:1739
1511991811,176cyclictest0-21swapper/921:30:1439
1511991811,176cyclictest0-21swapper/921:30:1339
1511991811,176cyclictest0-21swapper/921:30:1339
1511991811,172cyclictest23339-21run-parts00:19:0939
1511991811,172cyclictest23339-21run-parts00:19:0939
1511991811,172cyclictest23339-21run-parts00:19:0939
1504991811,147cyclictest0-21swapper/320:00:1823
1504991811,147cyclictest0-21swapper/320:00:1823
15619918043,133cyclictest27681-21inotify_reader22:30:1931
15619918043,133cyclictest27681-21inotify_reader22:30:1931
15619918043,133cyclictest27681-21inotify_reader22:30:1931
155199180167,8cyclictest0-21swapper/2922:25:1122
155199180167,8cyclictest0-21swapper/2922:25:1122
1513991808,152cyclictest6513-21inotify_reader23:45:173
1513991808,152cyclictest6513-21inotify_reader23:45:173
150899180127,23cyclictest0-21swapper/621:58:5036
150899180127,23cyclictest0-21swapper/621:58:5036
150899180127,23cyclictest0-21swapper/621:58:5036
15049918015,80cyclictest5273-21inotify_reader19:10:2123
15049918015,80cyclictest5273-21inotify_reader19:10:2123
15619917973,100cyclictest15984-21CPU31
15619917973,100cyclictest15984-21CPU31
15619917973,100cyclictest15984-21CPU31
15519917980,95cyclictest0-21swapper/2900:05:2222
15519917980,95cyclictest0-21swapper/2900:05:2222
15519917980,95cyclictest0-21swapper/2900:05:2122
154599179164,9cyclictest4044-21dircolors21:50:3418
154599179164,9cyclictest4044-21dircolors21:50:3418
154499179173,4cyclictest0-21swapper/2423:17:4317
154499179173,4cyclictest0-21swapper/2423:17:4317
154499179173,4cyclictest0-21swapper/2423:17:4317
154499179166,9cyclictest0-21swapper/2421:52:4817
154499179166,9cyclictest0-21swapper/2421:52:4717
1531991796,163cyclictest27681-21inotify_reader19:15:1714
1531991796,163cyclictest27681-21inotify_reader19:15:1714
1511991790,48cyclictest0-21swapper/919:30:2239
1511991790,48cyclictest0-21swapper/919:30:2139
15099917968,95cyclictest0-21swapper/721:50:1937
15099917968,95cyclictest0-21swapper/721:50:1937
155299178145,27cyclictest36796-21nfsd21:13:3224
155299178145,27cyclictest36796-21nfsd21:13:3224
15319917825,147cyclictest0-21swapper/2121:20:2314
15319917825,147cyclictest0-21swapper/2121:20:2314
150999178159,17cyclictest0-21swapper/721:32:2037
150999178159,17cyclictest0-21swapper/721:32:2037
150999178159,17cyclictest0-21swapper/721:32:2037
150899178167,6cyclictest0-21swapper/600:05:4936
150899178167,6cyclictest0-21swapper/600:05:4936
150899178167,6cyclictest0-21swapper/600:05:4836
15589917728,136cyclictest8214-21inotify_reader21:35:2028
15589917728,136cyclictest8214-21inotify_reader21:35:2028
15589917728,136cyclictest8214-21inotify_reader21:35:2028
155899177107,67cyclictest33915-21NetworkChangeNo22:30:1728
155899177107,67cyclictest33915-21NetworkChangeNo22:30:1728
155899177107,67cyclictest33915-21NetworkChangeNo22:30:1728
154599177172,4cyclictest0-21swapper/2523:30:5718
154599177172,4cyclictest0-21swapper/2523:30:5718
154599177172,4cyclictest0-21swapper/2523:30:5718
154299177167,8cyclictest0-21swapper/2323:24:2416
154299177167,8cyclictest0-21swapper/2323:24:2416
153199177147,27cyclictest0-21swapper/2121:26:5514
153199177147,27cyclictest0-21swapper/2121:26:5514
1511991771,147cyclictest6717-21NetworkChangeNo22:10:2039
1511991771,147cyclictest6717-21NetworkChangeNo22:10:2039
1511991771,147cyclictest6717-21NetworkChangeNo22:10:2039
150899177156,13cyclictest0-21swapper/621:41:2636
150899177156,13cyclictest0-21swapper/621:41:2636
150899177132,24cyclictest0-21swapper/619:41:2336
150899177132,24cyclictest0-21swapper/619:41:2336
150899177119,27cyclictest0-21swapper/622:20:4836
150899177119,27cyclictest0-21swapper/622:20:4836
15589917621,141cyclictest6885-21inotify_reader00:15:2228
15589917621,141cyclictest6885-21inotify_reader00:15:2228
15589917621,141cyclictest6885-21inotify_reader00:15:2228
1557991767,40cyclictest0-21swapper/3321:45:1927
1557991767,40cyclictest0-21swapper/3321:45:1927
1557991767,40cyclictest0-21swapper/3321:45:1927
1531991763,167cyclictest9334-21CPU14
1511991761,169cyclictest4630-21CPU39
1511991761,169cyclictest4630-21CPU39
150999176155,18cyclictest0-21swapper/700:31:2637
150999176155,18cyclictest0-21swapper/700:31:2637
150899176169,4cyclictest23668-21latency_hist23:15:0636
150899176169,4cyclictest23668-21latency_hist23:15:0636
150899176169,4cyclictest23668-21latency_hist23:15:0636
150899176119,20cyclictest0-21swapper/620:26:0336
1504991765,160cyclictest5181-21TaskSchedulerSi20:25:1923
1504991762,159cyclictest4907-21CPU23
1504991762,159cyclictest4907-21CPU23
1504991762,159cyclictest4907-21CPU23
154599175161,12cyclictest0-21swapper/2521:05:3818
154599175161,12cyclictest0-21swapper/2521:05:3818
154599175160,9cyclictest11893-21qemu-system-x8621:55:2318
154599175160,9cyclictest11893-21qemu-system-x8621:55:2218
154599175160,9cyclictest11893-21qemu-system-x8621:55:2218
154499175170,3cyclictest0-21swapper/2400:30:0017
154499175170,3cyclictest0-21swapper/2400:30:0017
154499175170,3cyclictest0-21swapper/2400:30:0017
151199175131,42cyclictest0-21swapper/923:48:4239
151199175131,42cyclictest0-21swapper/923:48:4239
154599174170,2cyclictest0-21swapper/2521:45:2618
154599174170,2cyclictest0-21swapper/2521:45:2618
154599174170,2cyclictest0-21swapper/2521:45:2518
154599174169,4cyclictest0-21swapper/2523:07:0518
154599174169,4cyclictest0-21swapper/2523:07:0418
154599174156,9cyclictest223-21ksoftirqd/2523:13:2318
154599174156,9cyclictest223-21ksoftirqd/2523:13:2318
154599174156,9cyclictest223-21ksoftirqd/2523:13:2318
153199174106,61cyclictest10320-21inotify_reader22:40:1814
153199174106,61cyclictest10320-21inotify_reader22:40:1814
150899174166,4cyclictest0-21swapper/621:33:5236
150899174166,4cyclictest0-21swapper/621:33:5236
150899174166,4cyclictest0-21swapper/621:33:5136
150899174130,30cyclictest0-21swapper/623:41:0036
150899174130,30cyclictest0-21swapper/623:41:0036
150899174130,30cyclictest0-21swapper/623:40:5936
156099173161,9cyclictest0-21swapper/3620:59:5430
156099173161,9cyclictest0-21swapper/3620:59:5430
154599173162,8cyclictest15982-21CPU18
154599173162,8cyclictest15982-21CPU18
154599173162,8cyclictest15982-21CPU18
154599173159,11cyclictest12193-21sshd23:28:5418
154599173159,11cyclictest12193-21sshd23:28:5418
154599173157,13cyclictest0-21swapper/2521:12:3718
154599173157,13cyclictest0-21swapper/2521:12:3718
151799173148,10cyclictest0-21swapper/1423:49:226
151799173148,10cyclictest0-21swapper/1423:49:226
151199173135,35cyclictest0-21swapper/921:12:1339
151199173135,35cyclictest0-21swapper/921:12:1339
1511991731,160cyclictest0-21swapper/921:15:1939
1511991731,160cyclictest0-21swapper/921:15:1939
15089917390,72cyclictest4905-21CPU36
15089917390,72cyclictest4905-21CPU36
150899173152,12cyclictest0-21swapper/622:10:5336
150899173152,12cyclictest0-21swapper/622:10:5236
150899173152,12cyclictest0-21swapper/622:10:5236
1504991733,153cyclictest3079-21CPU23
1504991733,153cyclictest3079-21CPU23
1504991731,139cyclictest0-21swapper/321:35:2023
1504991731,139cyclictest0-21swapper/321:35:2023
1504991731,139cyclictest0-21swapper/321:35:2023
156399172166,4cyclictest36794-21nfsd00:26:2533
156399172166,4cyclictest36794-21nfsd00:26:2533
156399172166,4cyclictest36794-21nfsd00:26:2433
155299172134,35cyclictest0-21swapper/3023:44:1824
155299172134,35cyclictest0-21swapper/3023:44:1824
155299172134,35cyclictest0-21swapper/3023:44:1824
15519917237,130cyclictest0-21swapper/2920:30:1522
15519917237,130cyclictest0-21swapper/2920:30:1522
154599172166,4cyclictest0-21swapper/2521:32:2618
154599172162,7cyclictest30594-21expr23:15:1418
154599172162,7cyclictest30594-21expr23:15:1318
154599172162,7cyclictest30594-21expr23:15:1318
15119917267,101cyclictest4906-21CPU39
15119917267,101cyclictest4906-21CPU39
150899172155,9cyclictest171rcu_preempt22:35:5636
150899172155,9cyclictest171rcu_preempt22:35:5636
15529917186,73cyclictest4637-21CPU24
15529917186,73cyclictest4637-21CPU24
15529917186,73cyclictest4637-21CPU24
1549991717,9cyclictest34400-21inotify_reader21:10:1820
1549991717,9cyclictest34400-21inotify_reader21:10:1820
154599171119,46cyclictest4906-21CPU18
154599171119,46cyclictest4906-21CPU18
154499171166,3cyclictest0-21swapper/2423:50:3617
154499171166,3cyclictest0-21swapper/2423:50:3617
154499171166,3cyclictest0-21swapper/2423:50:3617
15319917167,100cyclictest15984-21CPU14
15319917167,100cyclictest15984-21CPU14
15319917167,100cyclictest15984-21CPU14
1531991714,162cyclictest15978-21CPU14
1531991714,162cyclictest15978-21CPU14
151699171160,9cyclictest0-21swapper/1323:08:235
151699171160,9cyclictest0-21swapper/1323:08:235
151299171166,3cyclictest0-21swapper/1020:30:142
151299171166,3cyclictest0-21swapper/1020:30:142
1511991711,165cyclictest1529-21systemd-logind23:03:2839
1511991711,165cyclictest1529-21systemd-logind23:03:2839
151199171101,56cyclictest0-21swapper/919:55:1939
151199171101,56cyclictest0-21swapper/919:55:1839
150899171159,5cyclictest171rcu_preempt22:45:3636
150899171159,5cyclictest171rcu_preempt22:45:3636
150899171120,18cyclictest0-21swapper/619:56:0436
150899171120,18cyclictest0-21swapper/619:56:0436
150899171116,41cyclictest0-21swapper/623:39:4636
150899171116,41cyclictest0-21swapper/623:39:4636
15049917119,70cyclictest33826-21inotify_reader20:20:2123
150199171131,36cyclictest4634-21CPU1
150199171131,36cyclictest4634-21CPU1
150199171131,36cyclictest4634-21CPU1
1561991707,42cyclictest0-21swapper/3721:40:1631
1561991707,42cyclictest0-21swapper/3721:40:1631
156099170151,7cyclictest0-21swapper/3623:26:3830
156099170151,7cyclictest0-21swapper/3623:26:3730
155499170158,10cyclictest0-21swapper/3123:55:3925
155499170158,10cyclictest0-21swapper/3123:55:3925
155499170158,10cyclictest0-21swapper/3123:55:3925
15529917056,38cyclictest0-21swapper/3000:35:1924
15529917056,38cyclictest0-21swapper/3000:35:1924
15529917056,38cyclictest0-21swapper/3000:35:1824
15529917046,119cyclictest0-21swapper/3020:25:1924
154599170167,2cyclictest0-21swapper/2519:15:1718
154599170167,2cyclictest0-21swapper/2519:15:1618
154599170154,12cyclictest15985-21CPU18
154499170165,3cyclictest2131rcuc/2400:38:2517
154499170165,3cyclictest2131rcuc/2400:38:2517
154499170165,3cyclictest2131rcuc/2400:38:2517
154499170163,5cyclictest0-21swapper/2400:10:2317
154499170163,5cyclictest0-21swapper/2400:10:2317
154299170164,3cyclictest11901-21CPU16
154299170164,3cyclictest11901-21CPU16
154299170164,3cyclictest11901-21CPU16
1531991701,78cyclictest26841-21TaskSchedulerSi20:20:2114
151799170157,10cyclictest0-21swapper/1400:05:036
151799170157,10cyclictest0-21swapper/1400:05:036
151799170157,10cyclictest0-21swapper/1400:05:036
151799170140,18cyclictest11901-21CPU6
151799170140,18cyclictest11901-21CPU6
15119917094,73cyclictest32437-21NetworkChangeNo23:15:1839
15119917094,73cyclictest32437-21NetworkChangeNo23:15:1839
15119917094,73cyclictest32437-21NetworkChangeNo23:15:1839
1511991701,163cyclictest15982-21CPU39
1511991701,163cyclictest15982-21CPU39
1511991701,163cyclictest15982-21CPU39
150899170154,8cyclictest171rcu_preempt20:56:5436
150899170154,8cyclictest171rcu_preempt20:56:5436
150899170151,10cyclictest0-21swapper/619:26:2336
150899170139,10cyclictest171rcu_preempt19:15:5036
150899170139,10cyclictest171rcu_preempt19:15:5036
150899170127,23cyclictest0-21swapper/600:22:0436
150899170127,23cyclictest0-21swapper/600:22:0436
150899170122,24cyclictest4908-21CPU36
150899170122,24cyclictest4908-21CPU36
150899170117,25cyclictest171rcu_preempt19:51:5536
150899170117,25cyclictest171rcu_preempt19:51:5536
15519916940,125cyclictest26931-21NetworkChangeNo20:40:1922
15519916940,125cyclictest26931-21NetworkChangeNo20:40:1922
154599169163,5cyclictest0-21swapper/2519:42:0618
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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