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2026-05-06 - 02:09
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack0slot2.osadl.org (updated Wed May 06, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
415840925948,8sleep40-21swapper/419:05:164
41585072403,31sleep70-21swapper/719:06:397
414943024029,7sleep50-21swapper/519:03:485
4158943993836,2cyclictest3894294-21kworker/u16:2+flush-8:019:13:515
415834023523,8sleep60-21swapper/619:04:216
4158943993432,2cyclictest369796-21kworker/u16:0+events_unbound23:08:585
4158948993230,2cyclictest551527-21kworker/u16:1+flush-8:000:13:516
4158943993227,4cyclictest369796-21kworker/u16:0+flush-8:022:23:365
4158943993028,2cyclictest171525-21kworker/u16:1+flush-8:021:33:365
4158948992927,2cyclictest369796-21kworker/u16:0+events_unbound23:42:436
4158935992925,3cyclictest133907-21kworker/u16:3+events_unbound20:38:594
1175842290,1chrt0-21swapper/720:23:547
4158948992826,2cyclictest321346-21kworker/u16:4+events_unbound23:14:486
4158935992826,2cyclictest4139835-21kworker/u16:0+events_unbound19:09:034
4158948992725,2cyclictest4191822-21kworker/u16:1+events_unbound20:00:196
4158948992725,2cyclictest321346-21kworker/u16:4+events_unbound22:19:436
4158948992725,2cyclictest265507-21kworker/u16:3+flush-8:022:48:516
4158948992725,2cyclictest265507-21kworker/u16:3+flush-8:022:13:356
4158943992725,2cyclictest265507-21kworker/u16:3+flush-8:021:58:305
4158935992725,2cyclictest85075-21kworker/u16:0+flush-8:020:43:544
4158952992619,6cyclictest635-21systemd-journal23:48:367
4158948992624,2cyclictest501545-21kworker/u16:1+events_unbound23:19:276
4158948992624,2cyclictest4191822-21kworker/u16:1+flush-8:019:30:356
4158948992624,2cyclictest4086117-21kworker/u16:3+events_unbound19:45:396
4158943992624,2cyclictest265507-21kworker/u16:3+flush-8:022:48:505
4158952992518,6cyclictest369805-21latency_hist22:18:367
4158948992523,2cyclictest3894294-21kworker/u16:2+flush-8:019:25:076
4158948992523,2cyclictest321346-21kworker/u16:4+events_unbound22:02:396
4158948992523,2cyclictest133907-21kworker/u16:3+events_unbound20:47:116
4158935992523,2cyclictest321346-21kworker/u16:4+flush-8:022:53:524
4158952992418,5cyclictest635-21systemd-journal19:43:367
4158948992422,2cyclictest85075-21kworker/u16:0+events_unbound20:41:316
4158948992422,2cyclictest3894294-21kworker/u16:2+events_unbound19:17:026
4158948992422,2cyclictest369796-21kworker/u16:0+events_unbound22:59:006
4158948992422,2cyclictest265507-21kworker/u16:3+events_unbound22:08:136
4158948992422,2cyclictest171525-21kworker/u16:1+events_unbound21:32:576
4158948992422,2cyclictest171525-21kworker/u16:1+events_unbound21:05:436
4158948992422,2cyclictest113863-21kworker/u16:2+events_unbound21:14:426
4158948992422,2cyclictest113863-21kworker/u16:2+events_unbound21:01:076
4158948992321,2cyclictest4191822-21kworker/u16:1+flush-8:020:20:356
4158948992321,2cyclictest4191822-21kworker/u16:1+flush-8:019:42:116
4158948992321,2cyclictest3894294-21kworker/u16:2+flush-8:019:53:376
4158948992321,2cyclictest369796-21kworker/u16:0+events_unbound22:24:406
4158948992321,2cyclictest265507-21kworker/u16:3+events_unbound23:05:276
4158948992321,2cyclictest113863-21kworker/u16:2+events_unbound21:10:156
4158948992321,2cyclictest113863-21kworker/u16:2+events_unbound20:56:086
4158948992320,2cyclictest85075-21kworker/u16:0+events_unbound20:13:466
4158943992321,2cyclictest369796-21kworker/u16:0+events_unbound00:03:535
4158943992321,2cyclictest321346-21kworker/u16:4+flush-8:023:14:135
4158943992320,3cyclictest321346-21kworker/u16:4+flush-8:022:04:485
4158943992319,3cyclictest171525-21kworker/u16:1+flush-8:021:33:585
4158952992217,4cyclictest575774-21latency_hist23:43:367
4158952992217,4cyclictest103893-21latency_hist20:18:367
4158948992220,2cyclictest551527-21kworker/u16:1+events_unbound23:36:316
4158948992220,2cyclictest527339-21kworker/u16:2+events_unbound00:19:316
4158948992220,2cyclictest4139835-21kworker/u16:0+events_unbound19:09:206
4158948992220,2cyclictest4086117-21kworker/u16:3+events_unbound19:21:596
4158948992220,2cyclictest369796-21kworker/u16:0+flush-8:022:33:406
4158948992220,2cyclictest321346-21kworker/u16:4+events_unbound23:26:166
4158948992220,2cyclictest133907-21kworker/u16:3+events_unbound20:36:226
4158948992220,2cyclictest133907-21kworker/u16:3+events_unbound20:36:226
4158952992115,5cyclictest636335-21latency_hist00:08:357
4158948992119,2cyclictest85075-21kworker/u16:0+flush-8:020:12:546
4158948992119,2cyclictest4191822-21kworker/u16:1+events_unbound20:30:526
4158948992119,2cyclictest4191822-21kworker/u16:1+events_unbound20:06:466
4158948992119,2cyclictest4191822-21kworker/u16:1+events_unbound19:35:246
4158948992119,2cyclictest369796-21kworker/u16:0+events_unbound23:52:436
4158948992119,2cyclictest369796-21kworker/u16:0+events_unbound23:44:326
4158948992119,2cyclictest265507-21kworker/u16:3+events_unbound22:14:156
4158948992118,2cyclictest85075-21kworker/u16:0+events_unbound20:23:366
4158943992119,2cyclictest4191822-21kworker/u16:1+flush-8:019:53:515
4158943992119,2cyclictest265507-21kworker/u16:3+flush-8:021:49:135
4158943992118,2cyclictest85075-21kworker/u16:0+flush-8:020:33:515
4158943992118,2cyclictest85075-21kworker/u16:0+flush-8:020:33:515
4158952992014,5cyclictest65344-21latency_hist19:58:367
4158948992018,2cyclictest527339-21kworker/u16:2+flush-8:000:29:146
4158948992018,2cyclictest527339-21kworker/u16:2+events_unbound23:53:596
4158948992018,2cyclictest4191822-21kworker/u16:1+events_unbound19:51:126
4158948992018,2cyclictest113863-21kworker/u16:2+events_unbound21:44:236
4158948992017,2cyclictest551527-21kworker/u16:1+events_unbound00:03:416
4158943992018,2cyclictest369796-21kworker/u16:0+events_unbound22:38:585
4158943992018,2cyclictest369796-21kworker/u16:0+events_unbound22:38:585
4158943992018,2cyclictest321346-21kworker/u16:4+events_unbound22:33:515
4158935992018,2cyclictest171525-21kworker/u16:1+flush-8:021:14:154
4158935992017,2cyclictest4191822-21kworker/u16:1+flush-8:020:28:514
415895299190,17cyclictest330373-21ssh21:59:017
4158948991917,2cyclictest501545-21kworker/u16:1+events_unbound23:12:476
4158943991917,2cyclictest369796-21kworker/u16:0+events_unbound23:48:505
4158935991917,2cyclictest265507-21kworker/u16:3+events_unbound22:49:024
415895299189,8cyclictest0-21swapper/719:48:287
4158952991815,2cyclictest1234-21snmpd22:21:307
4158952991814,3cyclictest1234-21snmpd23:25:527
4158948991816,2cyclictest677651-21kworker/u16:0+flush-8:000:24:016
4158948991816,2cyclictest551527-21kworker/u16:1+flush-8:023:59:196
4158948991816,2cyclictest369796-21kworker/u16:0+events_unbound23:31:236
4158948991816,2cyclictest113863-21kworker/u16:2+events_unbound21:54:486
4158948991815,2cyclictest85075-21kworker/u16:0+events_unbound21:23:366
4158948991815,2cyclictest369796-21kworker/u16:0+events_unbound00:08:426
4158943991816,2cyclictest527339-21kworker/u16:2+flush-8:000:19:065
4158943991816,2cyclictest4086117-21kworker/u16:3+events_unbound19:19:015
4158943991816,2cyclictest113863-21kworker/u16:2+events_unbound21:43:515
4158943991815,2cyclictest133907-21kworker/u16:3+flush-8:020:49:075
4158952991712,4cyclictest272836-21latency_hist21:38:367
4158952991712,4cyclictest17239-21latency_hist19:33:367
415895299170,1cyclictest0-21swapper/720:11:407
4158948991715,2cyclictest321346-21kworker/u16:4+events_unbound22:54:116
4158943991714,2cyclictest189272-21memory20:58:575
4158935991715,2cyclictest113863-21kworker/u16:2+flush-8:021:39:094
4158935991713,3cyclictest267297-21cut21:33:574
415893599170,3cyclictest287812-21kthreadcore21:43:534
415895299169,6cyclictest490945-21latency_hist23:08:367
4158952991610,5cyclictest612063-21latency_hist23:58:357
4158948991614,2cyclictest85075-21kworker/u16:0+events_unbound21:33:506
4158948991614,2cyclictest85075-21kworker/u16:0+events_unbound20:50:016
4158943991614,2cyclictest527339-21kworker/u16:2+events_unbound00:14:035
4158935991614,2cyclictest527339-21kworker/u16:2+events_unbound23:28:584
4158935991614,2cyclictest265507-21kworker/u16:3+flush-8:023:09:004
4158935991613,2cyclictest558483-21kthreadcore23:33:564
4158935991613,2cyclictest551527-21kworker/u16:1+flush-8:000:13:304
415895299159,5cyclictest1234-21snmpd21:39:127
415895299158,6cyclictest212178-21latency_hist21:13:367
4158952991512,2cyclictest1234-21snmpd22:29:457
4158952991512,2cyclictest1234-21snmpd00:28:457
4158952991510,4cyclictest430369-21latency_hist22:43:357
4158952991510,4cyclictest430369-21latency_hist22:43:357
4158948991513,2cyclictest369796-21kworker/u16:0+flush-8:022:43:466
4158943991513,2cyclictest369796-21kworker/u16:0+events_unbound23:53:495
4158943991513,2cyclictest113863-21kworker/u16:2+flush-8:021:38:515
415894399150,2cyclictest564913-21iostat23:38:495
4158935991514,1cyclictest0-21swapper/422:35:174
4158935991512,3cyclictest321346-21kworker/u16:4+events_unbound23:19:004
4158935991512,2cyclictest321346-21kworker/u16:4+flush-8:023:13:364
4158935991512,2cyclictest310141-21df_inode21:53:494
415895299149,4cyclictest6101-21gmain21:23:547
415895299149,4cyclictest503060-21latency_hist23:13:357
4158952991412,1cyclictest0-21swapper/720:04:007
415895299140,1cyclictest0-21swapper/721:28:577
415895299140,13cyclictest1234-21snmpd21:45:487
415895299140,13cyclictest0-21swapper/722:24:017
4158948991413,1cyclictest0-21swapper/622:30:596
4158948991412,2cyclictest321346-21kworker/u16:4+flush-8:022:38:596
4158948991412,2cyclictest321346-21kworker/u16:4+flush-8:022:38:596
4158943991413,1cyclictest0-21swapper/522:33:335
4158943991412,2cyclictest113863-21kworker/u16:2+flush-8:021:14:005
4158935991413,1cyclictest0-21swapper/423:44:294
4158935991413,1cyclictest0-21swapper/423:04:274
4158935991413,1cyclictest0-21swapper/421:04:094
4158935991413,1cyclictest0-21swapper/400:05:464
4158935991411,2cyclictest171525-21kworker/u16:1+flush-8:021:23:584
415893599140,14cyclictest0-21swapper/422:26:364
415893599140,14cyclictest0-21swapper/422:16:404
415895299139,3cyclictest1234-21snmpd22:44:347
415895299139,3cyclictest1234-21snmpd19:24:397
415895299139,2cyclictest0-21swapper/723:59:007
415895299137,5cyclictest6382-21gvfs-afc-volume20:49:037
415895299137,5cyclictest1234-21snmpd22:06:157
415895299137,4cyclictest682558-21seq00:24:287
415895299135,7cyclictest26855-21latency_hist19:38:367
415895299134,8cyclictest113485-21latency_hist20:23:367
4158952991310,2cyclictest1234-21snmpd22:53:407
415894899130,13cyclictest0-21swapper/600:36:006
415894399139,3cyclictest637622-21cat00:08:505
4158943991312,1cyclictest0-21swapper/521:23:235
4158943991312,1cyclictest0-21swapper/500:37:095
4158943991312,1cyclictest0-21swapper/500:27:045
4158943991311,2cyclictest113863-21kworker/u16:2+events_unbound21:09:005
4158935991312,1cyclictest0-21swapper/422:44:354
4158935991312,1cyclictest0-21swapper/422:05:294
4158935991312,1cyclictest0-21swapper/419:49:444
4158935991312,1cyclictest0-21swapper/400:35:444
4158935991312,1cyclictest0-21swapper/400:25:574
4158935991311,2cyclictest4191822-21kworker/u16:1+flush-8:020:04:044
4158935991311,2cyclictest4191822-21kworker/u16:1+events_unbound19:53:504
4158935991311,2cyclictest321346-21kworker/u16:4+flush-8:022:28:514
4158935991311,2cyclictest113863-21kworker/u16:2+events_unbound21:08:494
415895299129,2cyclictest1234-21snmpd23:28:507
415895299129,2cyclictest1234-21snmpd22:53:227
415895299129,2cyclictest1234-21snmpd21:05:447
415895299129,2cyclictest1234-21snmpd20:44:177
415895299129,2cyclictest0-21swapper/720:38:367
415895299129,2cyclictest0-21swapper/720:38:367
415895299128,3cyclictest1234-21snmpd22:58:497
415895299128,3cyclictest1234-21snmpd20:53:507
415895299127,4cyclictest1234-21snmpd19:16:337
415895299126,5cyclictest6382-21gvfs-afc-volume19:18:597
415895299120,11cyclictest6514-21gmain23:21:377
415895299120,11cyclictest5975-21gmain22:12:067
415894899129,2cyclictest841rcuc/621:38:536
415894399128,3cyclictest4191822-21kworker/u16:1+flush-8:020:04:025
4158943991211,1cyclictest0-21swapper/523:27:565
4158943991211,1cyclictest0-21swapper/522:09:265
4158943991211,1cyclictest0-21swapper/520:46:495
4158943991211,1cyclictest0-21swapper/520:19:045
4158943991210,2cyclictest551527-21kworker/u16:1+events_unbound23:58:585
4158943991210,2cyclictest4191822-21kworker/u16:1+flush-8:020:24:045
4158943991210,2cyclictest369796-21kworker/u16:0+flush-8:023:44:005
415894399120,1cyclictest0-21swapper/519:26:535
415894399120,12cyclictest0-21swapper/519:46:355
4158935991211,1cyclictest0-21swapper/423:54:544
4158935991211,1cyclictest0-21swapper/400:15:524
415895299118,2cyclictest1234-21snmpd23:46:597
415895299117,4cyclictest6032-21gmain00:36:257
415895299115,5cyclictest6382-21gvfs-afc-volume00:13:377
415895299115,5cyclictest1234-21snmpd00:19:217
415895299113,6cyclictest412477-21diskmemload22:33:577
415895299112,8cyclictest6101-21gmain00:08:537
415895299112,7cyclictest72950-21kthreadcore19:58:567
415895299111,3cyclictest5975-21gmain21:48:387
415895299110,9cyclictest6032-21gmain19:48:547
415895299110,9cyclictest552248-21sh23:33:487
415895299110,9cyclictest505379-21sh23:13:537
415895299110,9cyclictest309663-21sh21:53:477
415895299110,9cyclictest213696-21irqcore21:13:527
415895299110,9cyclictest1234-21snmpd19:10:417
415894899113,7cyclictest0-21swapper/621:19:046
415894399119,2cyclictest4191822-21kworker/u16:1+flush-8:020:29:035
415894399119,2cyclictest321346-21kworker/u16:4+flush-8:022:59:025
4158943991110,1cyclictest0-21swapper/523:04:365
415893599119,2cyclictest4086117-21kworker/u16:3+events_unbound19:43:504
415893599119,2cyclictest369796-21kworker/u16:0+flush-8:022:58:514
415893599118,2cyclictest685407-21cpuspeed_turbos00:28:474
4158935991110,1cyclictest0-21swapper/423:23:414
4158935991110,1cyclictest0-21swapper/420:52:384
4158935991110,1cyclictest0-21swapper/420:17:484
415895299107,2cyclictest1234-21snmpd21:03:117
415895299105,4cyclictest0-21swapper/721:19:157
415895299103,6cyclictest6895-21gmain20:29:427
415895299100,9cyclictest1172-21tuned20:39:017
415894899108,2cyclictest86-21ksoftirqd/621:52:026
415894399108,2cyclictest369796-21kworker/u16:0+flush-8:022:53:545
415894399107,2cyclictest265507-21kworker/u16:3+flush-8:021:58:515
415893599109,1cyclictest265507-21kworker/u16:3+events_unbound21:49:334
415893599109,1cyclictest0-21swapper/421:31:534
415893599108,2cyclictest369796-21kworker/u16:0+events_unbound22:38:504
415893599108,2cyclictest369796-21kworker/u16:0+events_unbound22:38:504
41589439997,2cyclictest501545-21kworker/u16:1+events_unbound23:18:485
41589439997,2cyclictest171525-21kworker/u16:1+flush-8:020:54:045
41589439994,4cyclictest5951-21gsd-power20:42:515
41589439994,4cyclictest553034-21cut23:33:525
41589439994,4cyclictest50441-21cut19:48:555
41589359995,3cyclictest371084-21cat22:18:504
41589359994,4cyclictest140826-21cut20:33:574
41589359994,4cyclictest140826-21cut20:33:574
41589439986,1cyclictest0-21swapper/520:08:545
41589439986,1cyclictest0-21swapper/519:58:525
41589439985,2cyclictest0-21swapper/521:23:575
41589439985,2cyclictest0-21swapper/519:33:545
41589439983,4cyclictest687092-21tr00:28:525
41589439983,4cyclictest542901-21grep23:28:525
41589439983,4cyclictest383780-21tr22:23:535
41589439983,4cyclictest35737-21switchtime19:39:015
41589439983,4cyclictest192008-21cut21:03:545
41589439983,4cyclictest10866-21grep19:28:545
41589439981,5cyclictest4159750-21fschecks_count19:08:515
41589359986,1cyclictest0-21swapper/423:48:544
41589359986,1cyclictest0-21swapper/423:39:024
41589359986,1cyclictest0-21swapper/421:18:574
41589359986,1cyclictest0-21swapper/420:58:554
41589359986,1cyclictest0-21swapper/419:38:554
41589359984,3cyclictest661167-21cpuspeed00:18:494
41589359984,3cyclictest613329-21grep23:58:514
41589359984,3cyclictest4182893-21tune2fs19:18:504
41589359984,3cyclictest353578-21cut22:08:564
41589359984,3cyclictest110066-21kthreadcore20:18:574
41589359983,4cyclictest85929-21sed20:08:524
41589359983,4cyclictest70864-21grep19:58:554
41589359983,4cyclictest4174093-21cut19:13:544
41589359983,4cyclictest325349-21cat21:58:554
41589359983,4cyclictest172571-21cut20:53:524
41589359983,4cyclictest120810-21cut20:23:564
41589359983,4cyclictest10525-21cut19:28:544
41589439975,1cyclictest0-21swapper/522:13:485
41589439973,3cyclictest95014-21cat20:13:475
41589439972,4cyclictest430929-21cat22:43:485
41589359975,1cyclictest0-21swapper/419:33:484
41589359972,4cyclictest4192580-21hwlatdetect19:23:514
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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