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2026-06-26 - 01:12
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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 highest latencies:
System rack0slot2.osadl.org (updated Fri Jun 26, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
396244125646,7sleep40-21swapper/419:08:424
396224325520,30sleep70-21swapper/719:05:577
396246025040,7sleep50-21swapper/519:08:595
396239524232,7sleep60-21swapper/619:08:046
3962787993936,2cyclictest251183-21kworker/u16:0+events_unbound00:14:274
3962794993836,2cyclictest43386-21kworker/u16:4+events_unbound21:43:566
3962787993734,2cyclictest251183-21kworker/u16:0+events_unbound00:25:434
396279799360,34cyclictest92294-21latency_hist21:44:267
3962794993634,2cyclictest4112451-21kworker/u16:2+events_unbound22:35:166
3962794993634,2cyclictest358450-21kworker/u16:2+events_unbound23:37:316
3962794993634,2cyclictest251183-21kworker/u16:0+events_unbound22:56:566
3962794993634,2cyclictest104882-21kworker/u16:3+flush-8:022:03:556
3962787993634,2cyclictest4142007-21kworker/u16:0+flush-8:021:27:044
3962787993634,2cyclictest4112451-21kworker/u16:2+events_unbound22:24:124
3962787993633,2cyclictest251183-21kworker/u16:0+flush-8:023:00:274
3962794993533,2cyclictest446554-21kworker/u16:2+events_unbound00:27:156
3962794993533,2cyclictest4142007-21kworker/u16:0+events_unbound21:49:116
3962787993533,2cyclictest4112451-21kworker/u16:2+events_unbound21:58:204
3962787993532,2cyclictest310752-21kworker/u16:2+events_unbound23:20:444
3962794993331,2cyclictest507411-21kworker/u16:1+events_unbound00:37:276
3962794993331,2cyclictest4112451-21kworker/u16:2+events_unbound21:37:166
3962794993331,2cyclictest310752-21kworker/u16:2+events_unbound23:12:166
3962787993331,2cyclictest4142007-21kworker/u16:0+events_unbound21:22:324
3962787993331,2cyclictest382415-21kworker/u16:3+events_unbound00:39:044
3962787993331,2cyclictest251183-21kworker/u16:0+events_unbound00:20:034
3962794993230,2cyclictest4142007-21kworker/u16:0+events_unbound21:15:526
3962794993230,2cyclictest397940-21kworker/u16:5+flush-8:000:09:586
3962794993230,2cyclictest251183-21kworker/u16:0+events_unbound23:28:086
3962794993230,2cyclictest177920-21kworker/u16:0+events_unbound22:34:126
3962787993230,2cyclictest4142007-21kworker/u16:0+events_unbound21:12:364
3962787993230,2cyclictest4142007-21kworker/u16:0+events_unbound21:12:364
3962787993230,2cyclictest4112451-21kworker/u16:2+flush-8:021:35:364
3962787993230,2cyclictest382415-21kworker/u16:3+events_unbound23:46:034
3962787993230,2cyclictest358450-21kworker/u16:2+flush-8:023:56:354
3962787993230,2cyclictest214418-21kworker/u16:4+flush-8:023:15:284
3962787993230,2cyclictest214418-21kworker/u16:4+flush-8:023:15:284
3962794993129,2cyclictest65473-21kworker/u16:1+events_unbound21:34:126
3962794993129,2cyclictest4142007-21kworker/u16:0+events_unbound21:56:236
3962794993129,2cyclictest4112451-21kworker/u16:2+events_unbound22:41:266
3962794993129,2cyclictest382415-21kworker/u16:3+events_unbound23:41:396
3962794993129,2cyclictest382415-21kworker/u16:3+events_unbound00:16:206
3962794993129,2cyclictest251183-21kworker/u16:0+events_unbound00:31:026
3962794993129,2cyclictest214418-21kworker/u16:4+events_unbound23:03:036
3962794993128,2cyclictest3933873-21kworker/u16:2+events_unbound19:39:276
3962787993129,2cyclictest251183-21kworker/u16:0+flush-8:000:30:194
3962787993129,2cyclictest251183-21kworker/u16:0+events_unbound23:06:404
3962787993129,2cyclictest251183-21kworker/u16:0+events_unbound22:52:464
3962787993129,2cyclictest152794-21kworker/u16:1+events_unbound22:46:194
3962787993129,2cyclictest104882-21kworker/u16:3+events_unbound22:34:234
3962787993128,2cyclictest4112451-21kworker/u16:2+events_unbound22:14:354
3962797993024,5cyclictest650-21systemd-journal23:19:257
3962797993024,5cyclictest650-21systemd-journal23:19:257
3962794993028,2cyclictest4142007-21kworker/u16:0+events_unbound22:06:446
3962794993028,2cyclictest152794-21kworker/u16:1+events_unbound23:46:446
3962794993028,2cyclictest152794-21kworker/u16:1+events_unbound23:08:046
3962794993028,2cyclictest104882-21kworker/u16:3+events_unbound22:25:516
3962794993028,2cyclictest104882-21kworker/u16:3+events_unbound22:14:046
3962794993027,2cyclictest4063847-21kworker/u16:1+events_unbound20:19:356
3962787993028,2cyclictest92512-21kworker/u16:1+events_unbound21:50:564
3962787993028,2cyclictest4112451-21kworker/u16:2+events_unbound22:01:164
3962787993028,2cyclictest358450-21kworker/u16:2+events_unbound23:41:234
3962787993028,2cyclictest3249620-21kworker/u16:3+events_unbound19:24:404
3962787993028,2cyclictest251183-21kworker/u16:0+events_unbound23:31:394
3962787993028,2cyclictest177920-21kworker/u16:0+events_unbound22:29:074
3962787993028,2cyclictest104882-21kworker/u16:3+events_unbound22:05:514
3962787993027,2cyclictest382415-21kworker/u16:3+events_unbound00:09:284
3962787993027,2cyclictest251183-21kworker/u16:0+events_unbound23:49:284
3962794992927,2cyclictest3933873-21kworker/u16:2+events_unbound19:36:356
3962794992927,2cyclictest358450-21kworker/u16:2+flush-8:023:58:286
3962794992927,2cyclictest214418-21kworker/u16:4+events_unbound22:51:186
3962794992927,2cyclictest152794-21kworker/u16:1+events_unbound23:15:556
3962794992927,2cyclictest152794-21kworker/u16:1+events_unbound23:15:556
3962794992926,2cyclictest3933873-21kworker/u16:2+events_unbound19:49:356
3962787992927,2cyclictest4142007-21kworker/u16:0+events_unbound21:39:444
3962787992927,2cyclictest4142007-21kworker/u16:0+events_unbound21:17:254
3962787992927,2cyclictest4112451-21kworker/u16:2+events_unbound22:36:564
3962787992927,2cyclictest214418-21kworker/u16:4+events_unbound23:13:234
3962787992926,2cyclictest358450-21kworker/u16:2+events_unbound23:59:284
3962794992826,2cyclictest4112451-21kworker/u16:2+events_unbound21:27:276
3962794992826,2cyclictest3923059-21kworker/u16:1+events_unbound19:15:366
3962794992826,2cyclictest251183-21kworker/u16:0+events_unbound23:50:236
3962794992825,2cyclictest3249620-21kworker/u16:3+events_unbound19:24:286
3962787992827,1cyclictest358450-21kworker/u16:2+events_unbound23:36:244
3962787992826,2cyclictest92512-21kworker/u16:1+flush-8:021:46:514
3962787992826,2cyclictest65473-21kworker/u16:1+events_unbound21:31:594
3962787992826,2cyclictest4112451-21kworker/u16:2+events_unbound22:13:274
3962794992725,2cyclictest3249620-21kworker/u16:3+events_unbound19:21:366
3962794992725,2cyclictest251183-21kworker/u16:0+events_unbound00:23:466
3962787992725,2cyclictest382415-21kworker/u16:3+events_unbound00:07:484
3962787992725,2cyclictest251183-21kworker/u16:0+events_unbound22:57:564
3962794992624,2cyclictest92512-21kworker/u16:1+events_unbound21:53:506
3962794992624,2cyclictest4112451-21kworker/u16:2+events_unbound20:42:406
3962794992624,2cyclictest4112451-21kworker/u16:2+events_unbound20:32:406
3962794992624,2cyclictest4112451-21kworker/u16:2+events_unbound20:32:406
3962794992624,2cyclictest397940-21kworker/u16:5+events_unbound00:04:046
3962794992624,2cyclictest3923059-21kworker/u16:1+events_unbound19:32:406
3962787992624,2cyclictest4015491-21kworker/u16:0+events_unbound20:19:234
3962787992624,2cyclictest152794-21kworker/u16:1+events_unbound23:27:024
3962797992519,5cyclictest4063814-21latency_hist19:59:267
3962794992523,2cyclictest4112451-21kworker/u16:2+events_unbound22:17:106
3962794992523,2cyclictest4063847-21kworker/u16:1+events_unbound20:24:556
3962787992523,2cyclictest4112451-21kworker/u16:2+flush-8:022:42:404
3962794992422,2cyclictest4142007-21kworker/u16:0+flush-8:020:44:356
3962794992422,2cyclictest4112451-21kworker/u16:2+events_unbound22:23:256
3962794992422,2cyclictest251183-21kworker/u16:0+flush-8:023:30:006
3962787992422,2cyclictest3923059-21kworker/u16:1+flush-8:019:14:364
3962794992321,2cyclictest40792-21kworker/u16:3+events_unbound21:23:136
3962794992321,2cyclictest4015491-21kworker/u16:0+events_unbound20:09:236
3962787992321,2cyclictest4015491-21kworker/u16:0+events_unbound19:59:564
3962787992320,3cyclictest4034776-21kworker/u16:3+flush-8:020:04:444
3962794992220,2cyclictest397940-21kworker/u16:5+events_unbound00:05:376
3962787992119,2cyclictest3249620-21kworker/u16:3+events_unbound19:19:474
396279799203,15cyclictest153364-21latency_hist22:09:257
3962794992018,2cyclictest4112451-21kworker/u16:2+events_unbound21:13:546
3962794992018,2cyclictest4112451-21kworker/u16:2+events_unbound21:13:546
3962794992018,2cyclictest214418-21kworker/u16:4+events_unbound23:22:386
3962789992018,2cyclictest251183-21kworker/u16:0+events_unbound22:58:065
3962787992018,2cyclictest4142007-21kworker/u16:0+events_unbound20:48:364
3962797991913,5cyclictest4190277-21latency_hist21:04:257
3962794991917,2cyclictest4142007-21kworker/u16:0+events_unbound20:59:236
3962787991917,2cyclictest4112451-21kworker/u16:2+events_unbound20:50:354
3962787991917,2cyclictest4112451-21kworker/u16:2+events_unbound20:32:364
3962787991917,2cyclictest4112451-21kworker/u16:2+events_unbound20:32:364
396279799180,17cyclictest0-21swapper/723:04:497
3962794991816,2cyclictest4142007-21kworker/u16:0+events_unbound21:08:166
3962794991816,2cyclictest3923059-21kworker/u16:1+flush-8:019:12:046
3962787991816,2cyclictest4142007-21kworker/u16:0+events_unbound20:55:364
3962787991816,2cyclictest4015491-21kworker/u16:0+events_unbound19:35:364
3962797991715,1cyclictest0-21swapper/722:30:107
3962797991712,4cyclictest360918-21latency_hist23:34:257
396279799170,16cyclictest0-21swapper/719:44:487
3962794991715,2cyclictest4063847-21kworker/u16:1+events_unbound20:11:036
3962794991715,2cyclictest4034776-21kworker/u16:3+events_unbound20:01:056
3962794991715,2cyclictest214418-21kworker/u16:4+events_unbound22:47:086
3962789991710,6cyclictest0-21swapper/500:04:415
3962787991715,2cyclictest4112451-21kworker/u16:2+flush-8:020:35:244
3962787991714,2cyclictest3933873-21kworker/u16:2+flush-8:019:39:434
3962797991613,2cyclictest1278-21snmpd19:19:407
3962797991613,2cyclictest0-21swapper/719:09:277
396279799161,2cyclictest443387-21ssh00:04:527
396279799160,14cyclictest0-21swapper/700:09:517
3962794991614,2cyclictest4102389-21kworker/u16:3+flush-8:020:36:126
3962789991612,3cyclictest251183-21kworker/u16:0+flush-8:023:09:515
396278999160,15cyclictest0-21swapper/522:34:445
3962787991614,2cyclictest4034776-21kworker/u16:3+events_unbound19:49:564
3962797991513,1cyclictest0-21swapper/700:24:377
3962797991511,3cyclictest1278-21snmpd20:56:427
3962797991511,3cyclictest1278-21snmpd20:44:487
3962797991511,3cyclictest1278-21snmpd19:14:587
3962787991513,2cyclictest4142007-21kworker/u16:0+events_unbound20:42:194
3962787991513,2cyclictest3923059-21kworker/u16:1+events_unbound19:10:374
396279799148,5cyclictest4112410-21latency_hist20:24:257
3962797991413,0cyclictest0-21swapper/722:44:427
3962797991411,2cyclictest0-21swapper/723:39:267
3962797991410,3cyclictest1278-21snmpd19:32:017
396279799140,13cyclictest1278-21snmpd19:41:377
3962794991411,2cyclictest4015491-21kworker/u16:0+events_unbound19:54:326
3962789991413,1cyclictest0-21swapper/523:37:485
3962789991413,1cyclictest0-21swapper/522:07:285
396278999140,1cyclictest0-21swapper/523:31:305
396278999140,14cyclictest0-21swapper/522:18:495
396278999140,13cyclictest0-21swapper/500:29:495
396279799139,3cyclictest5937-21gmain00:04:227
396279799139,3cyclictest1278-21snmpd22:42:277
396279799139,3cyclictest1278-21snmpd22:10:087
396279799139,3cyclictest1278-21snmpd21:49:437
396279799139,3cyclictest1278-21snmpd21:26:437
396279799139,3cyclictest1278-21snmpd21:06:397
396279799139,3cyclictest1278-21snmpd00:23:307
396279799138,4cyclictest6634-21gmain00:34:467
396279799133,9cyclictest1278-21snmpd20:43:037
396279799133,8cyclictest1278-21snmpd19:25:077
3962797991311,1cyclictest469709-21ssh00:17:247
3962797991311,1cyclictest189888-21ssh22:24:197
3962797991310,2cyclictest0-21swapper/722:29:257
3962794991311,2cyclictest4102389-21kworker/u16:3+flush-8:021:01:386
3962794991311,2cyclictest4034776-21kworker/u16:3+events_unbound19:44:556
396279499130,13cyclictest0-21swapper/620:14:406
3962789991312,1cyclictest0-21swapper/522:53:495
3962789991312,1cyclictest0-21swapper/522:30:205
3962789991312,1cyclictest0-21swapper/522:28:545
3962789991312,1cyclictest0-21swapper/521:43:495
3962789991312,1cyclictest0-21swapper/521:29:575
3962789991312,1cyclictest0-21swapper/521:10:335
3962789991312,1cyclictest0-21swapper/521:10:335
3962789991310,2cyclictest430898-21latency23:59:525
3962789991310,2cyclictest0-21swapper/500:09:415
396278999130,13cyclictest0-21swapper/523:54:595
396278999130,13cyclictest0-21swapper/523:40:575
396278999130,13cyclictest0-21swapper/523:04:045
396278999130,13cyclictest0-21swapper/521:56:165
396278999130,13cyclictest0-21swapper/521:36:535
396278999130,13cyclictest0-21swapper/521:17:295
396278999130,13cyclictest0-21swapper/521:04:535
396278999130,13cyclictest0-21swapper/520:49:485
396278999130,13cyclictest0-21swapper/500:35:405
396278999130,13cyclictest0-21swapper/500:20:325
396278999130,0cyclictest0-21swapper/522:13:085
3962787991311,2cyclictest4034776-21kworker/u16:3+events_unbound19:47:164
396278799130,0cyclictest0-21swapper/420:24:404
396279799129,2cyclictest0-21swapper/723:54:397
396279799128,3cyclictest1278-21snmpd23:38:257
396279799128,3cyclictest1278-21snmpd21:10:337
396279799128,3cyclictest1278-21snmpd21:10:337
396279799128,3cyclictest1278-21snmpd19:34:587
396279799126,5cyclictest989-21gmain21:15:157
396279799125,6cyclictest6341-21gvfs-afc-volume22:49:447
3962797991212,0cyclictest0-21swapper/721:48:327
396279799121,10cyclictest1278-21snmpd23:14:167
3962797991211,0cyclictest0-21swapper/721:20:437
3962797991210,1cyclictest0-21swapper/723:24:427
396279799120,11cyclictest1278-21snmpd23:50:417
3962794991210,2cyclictest4112451-21kworker/u16:2+flush-8:020:50:126
3962789991211,1cyclictest0-21swapper/523:28:215
3962789991211,1cyclictest0-21swapper/523:23:375
3962789991211,1cyclictest0-21swapper/500:27:095
3962787991210,2cyclictest4112451-21kworker/u16:2+events_unbound21:02:114
3962787991210,2cyclictest4063847-21kworker/u16:1+events_unbound20:19:464
396279799119,1cyclictest0-21swapper/723:44:517
396279799119,1cyclictest0-21swapper/721:59:487
396279799119,1cyclictest0-21swapper/720:34:507
396279799119,1cyclictest0-21swapper/720:09:497
396279799119,1cyclictest0-21swapper/720:07:297
396279799119,1cyclictest0-21swapper/719:59:507
396279799118,2cyclictest1278-21snmpd23:21:347
396279799118,2cyclictest1278-21snmpd21:31:437
396279799117,3cyclictest6341-21gvfs-afc-volume22:59:437
396279799117,3cyclictest226309-21ssh22:38:477
396279799117,3cyclictest2208-21sendmail22:14:507
396279799117,3cyclictest1278-21snmpd20:15:207
396279799116,4cyclictest911-21dbus-daemon20:24:587
396279799116,4cyclictest911-21dbus-daemon00:34:247
396279799115,5cyclictest989-21gmain22:55:357
396279799114,6cyclictest6980-21gmain20:29:397
396279799114,6cyclictest6980-21gmain20:29:397
396278999118,2cyclictest4138686-21cut20:34:465
396278999118,2cyclictest4055492-21irqcore19:54:415
3962789991110,1cyclictest0-21swapper/522:49:245
3962789991110,1cyclictest0-21swapper/521:00:375
3962789991110,1cyclictest0-21swapper/520:49:165
3962789991110,1cyclictest0-21swapper/520:40:365
3962789991110,1cyclictest0-21swapper/519:33:455
3962789991110,1cyclictest0-21swapper/500:17:135
396278999110,11cyclictest0-21swapper/519:50:375
396278999110,10cyclictest0-21swapper/521:44:515
3962787991110,1cyclictest0-21swapper/419:57:234
396278799110,11cyclictest0-21swapper/420:13:194
396279799106,3cyclictest69589-21kthreadcore21:34:437
396279799106,3cyclictest4044739-21taskset19:49:367
396279799106,3cyclictest125695-21ssh21:54:477
396279799100,9cyclictest1278-21snmpd20:49:307
396278999109,1cyclictest0-21swapper/521:23:005
396278999109,1cyclictest0-21swapper/520:54:575
396278999109,1cyclictest0-21swapper/520:27:315
396278999109,1cyclictest0-21swapper/520:10:105
396278999107,2cyclictest131287-21kthreadcore21:59:435
396278999106,3cyclictest4094149-21cat20:14:405
396278999106,3cyclictest3987180-21cat19:19:405
396278999100,10cyclictest0-21swapper/520:05:555
39627899998,1cyclictest0-21swapper/520:03:045
39627899996,3cyclictest4111485-21ntpq20:19:485
39627899991,1cyclictest0-21swapper/523:14:455
39627899991,1cyclictest0-21swapper/523:14:455
39627879996,2cyclictest4005857-21/usr/sbin/munin19:29:394
39627899987,1cyclictest0-21swapper/519:29:115
39627899984,3cyclictest186821-21grep22:19:495
39627899983,4cyclictest388243-21kthreadcore23:44:435
39627899983,4cyclictest227740-21tune2fs22:39:385
39627899980,7cyclictest3976828-21grep19:14:385
39627879984,3cyclictest4191530-21irqcore21:04:424
39627899974,2cyclictest4035825-21irqcore19:44:405
39627899974,2cyclictest4017196-21kthreadcore19:34:435
39627899974,2cyclictest3963679-21fschecks_time19:09:395
39627899973,3cyclictest4122840-21seq20:29:385
39627899973,3cyclictest4122840-21seq20:29:385
39627899973,3cyclictest4025393-21cat19:39:375
39627899973,3cyclictest398494-21cat23:49:365
39627899973,3cyclictest288656-21expr23:04:385
39627899972,4cyclictest44148-21cat21:24:385
39627899972,4cyclictest105506-21diskstats21:49:395
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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