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2026-01-08 - 02:47
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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 792 highest latencies:
System rack0slot2.osadl.org (updated Thu Jan 08, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33380427060,7sleep40-21swapper/419:07:214
334160994741,5cyclictest619055-21latency_hist21:33:147
33382724610,31sleep70-21swapper/719:07:407
32459524433,7sleep50-21swapper/519:03:215
33360823827,8sleep60-21swapper/619:04:346
33416099370,35cyclictest842291-21sed23:28:147
334153993634,2cyclictest435171-21kworker/u16:2+events_unbound20:38:165
334153993230,2cyclictest324589-21kworker/u16:3+events_unbound19:40:285
334153993129,2cyclictest812747-21kworker/u16:0+flush-8:023:46:275
334153993129,2cyclictest793334-21kworker/u16:1+events_unbound23:06:285
334153993129,2cyclictest514057-21kworker/u16:4+events_unbound20:51:285
334153993028,2cyclictest569624-21kworker/u16:3+events_unbound21:15:285
334153993028,2cyclictest551123-21kworker/u16:1+events_unbound21:00:125
334153993028,2cyclictest502710-21kworker/u16:0+events_unbound20:45:285
334153993028,2cyclictest424332-21kworker/u16:1+events_unbound19:56:295
334153993028,2cyclictest424332-21kworker/u16:1+events_unbound19:56:295
334153993028,2cyclictest3551772-21kworker/u16:0+events_unbound19:19:255
334153993027,2cyclictest900197-21kworker/u16:1+flush-8:000:18:245
334160992923,5cyclictest677181-21latency_hist22:03:147
334153992927,2cyclictest648096-21kworker/u16:1+events_unbound22:04:255
334153992927,2cyclictest569624-21kworker/u16:3+flush-8:022:44:285
334153992927,2cyclictest551123-21kworker/u16:1+events_unbound21:19:275
334153992927,2cyclictest424332-21kworker/u16:1+events_unbound19:51:285
334153992927,2cyclictest358932-21kworker/u16:2+events_unbound19:36:255
334153992927,2cyclictest358932-21kworker/u16:2+events_unbound19:26:255
334153992826,2cyclictest676926-21kworker/u16:6+events_unbound22:03:135
334153992826,2cyclictest551123-21kworker/u16:1+events_unbound21:30:295
334153992826,2cyclictest482529-21kworker/u16:5+events_unbound20:29:255
334153992826,2cyclictest463961-21kworker/u16:3+events_unbound20:15:285
334153992826,2cyclictest435171-21kworker/u16:2+events_unbound20:01:285
334153992826,2cyclictest324589-21kworker/u16:3+events_unbound19:10:285
334153992725,2cyclictest967328-21kworker/u16:3+events_unbound00:37:565
334153992725,2cyclictest569624-21kworker/u16:3+events_unbound22:49:285
334153992725,2cyclictest482529-21kworker/u16:5+events_unbound20:26:255
334153992724,2cyclictest569624-21kworker/u16:3+flush-8:021:43:255
334160992625,0cyclictest0-21swapper/700:03:317
334160992620,5cyclictest735493-21latency_hist22:33:147
334153992624,2cyclictest676926-21kworker/u16:6+flush-8:023:32:075
334153992624,2cyclictest676926-21kworker/u16:6+events_unbound23:10:315
334153992624,2cyclictest482528-21kworker/u16:1+events_unbound20:21:285
334153992624,2cyclictest414387-21kworker/u16:4+events_unbound20:07:245
4752542250,1sleep70-21swapper/720:18:307
33416099250,23cyclictest396045-21latency_hist19:38:157
334153992523,2cyclictest900197-21kworker/u16:1+events_unbound00:29:245
334153992523,2cyclictest793334-21kworker/u16:1+events_unbound23:24:045
334153992523,2cyclictest676926-21kworker/u16:6+flush-8:023:39:275
334153992523,2cyclictest676926-21kworker/u16:6+events_unbound23:18:085
334153992523,2cyclictest658111-21kworker/u16:5+events_unbound21:56:095
334153992523,2cyclictest569624-21kworker/u16:3+flush-8:022:15:285
334153992523,2cyclictest569624-21kworker/u16:3+flush-8:022:15:285
334153992523,2cyclictest551123-21kworker/u16:1+events_unbound21:26:135
334153992523,2cyclictest502710-21kworker/u16:0+flush-8:021:08:565
334153992523,2cyclictest502710-21kworker/u16:0+events_unbound21:34:335
334153992523,2cyclictest435171-21kworker/u16:2+events_unbound21:49:075
334153992523,2cyclictest435171-21kworker/u16:2+events_unbound20:57:245
334153992523,2cyclictest435171-21kworker/u16:2+events_unbound20:34:365
334153992422,2cyclictest676926-21kworker/u16:6+events_unbound22:19:325
334153992422,2cyclictest676926-21kworker/u16:6+events_unbound22:11:285
334153992422,2cyclictest676926-21kworker/u16:6+events_unbound00:01:435
334153992422,2cyclictest569624-21kworker/u16:3+events_unbound22:36:015
334160992322,0cyclictest0-21swapper/720:58:367
334160992322,0cyclictest0-21swapper/720:38:317
334160992317,5cyclictest599652-21latency_hist21:23:147
334153992321,2cyclictest900711-21kworker/u16:5+events_unbound00:09:285
334153992320,2cyclictest676926-21kworker/u16:6+flush-8:022:28:155
334160992221,0cyclictest0-21swapper/719:28:337
334160992219,2cyclictest880984-21munin-run23:48:137
334153992220,2cyclictest900711-21kworker/u16:5+events_unbound00:14:255
334153992220,2cyclictest900705-21kworker/u16:4+events_unbound00:06:405
334153992220,2cyclictest900197-21kworker/u16:1+events_unbound00:25:245
334153992220,2cyclictest569624-21kworker/u16:3+events_unbound23:02:325
334153992220,2cyclictest424332-21kworker/u16:1+events_unbound20:13:085
334153992220,2cyclictest358932-21kworker/u16:2+events_unbound19:28:445
334153992220,2cyclictest325616-21kworker/u16:4+events_unbound19:15:215
334153992220,2cyclictest324589-21kworker/u16:3+events_unbound19:46:175
334160992120,0cyclictest0-21swapper/722:13:317
334160992120,0cyclictest0-21swapper/722:13:317
334160992120,0cyclictest0-21swapper/720:53:277
334160992115,5cyclictest343745-21latency_hist19:13:157
334153992119,2cyclictest812747-21kworker/u16:0+flush-8:023:53:425
334153992119,2cyclictest812747-21kworker/u16:0+events_unbound23:21:375
334153992119,2cyclictest502710-21kworker/u16:0+events_unbound21:40:335
334151992119,2cyclictest676926-21kworker/u16:6+flush-8:022:19:254
33415199210,17cyclictest0-21swapper/423:43:324
334160992020,0cyclictest0-21swapper/700:33:517
334153992018,2cyclictest435171-21kworker/u16:2+events_unbound21:06:095
33415199200,17cyclictest0-21swapper/423:52:454
33415199200,17cyclictest0-21swapper/423:52:454
334160991919,0cyclictest0-21swapper/721:43:417
334160991918,0cyclictest0-21swapper/720:28:347
334153991917,2cyclictest676926-21kworker/u16:6+events_unbound23:35:285
33415199190,16cyclictest0-21swapper/423:33:184
334160991817,0cyclictest0-21swapper/719:48:157
334160991816,1cyclictest0-21swapper/721:48:427
334160991816,1cyclictest0-21swapper/700:08:377
334160991812,5cyclictest650-21systemd-journal00:33:137
33416099180,17cyclictest0-21swapper/723:58:407
334153991816,2cyclictest676926-21kworker/u16:6+events_unbound22:24:335
334153991816,2cyclictest569624-21kworker/u16:3+events_unbound22:53:155
33415199180,16cyclictest0-21swapper/400:07:054
334160991716,0cyclictest0-21swapper/723:13:297
334160991714,2cyclictest1267-21snmpd20:00:497
334160991712,4cyclictest650-21systemd-journal20:23:157
33416099170,1cyclictest0-21swapper/722:38:407
334153991715,2cyclictest569624-21kworker/u16:3+flush-8:022:41:345
33415199170,16cyclictest0-21swapper/423:38:254
33415199170,16cyclictest0-21swapper/400:23:284
33415199170,16cyclictest0-21swapper/400:18:214
334160991615,0cyclictest0-21swapper/723:28:407
33415199160,16cyclictest0-21swapper/423:58:544
33415199160,16cyclictest0-21swapper/423:54:484
33415199160,16cyclictest0-21swapper/423:29:124
33415199160,16cyclictest0-21swapper/400:33:434
33415199160,16cyclictest0-21swapper/400:28:354
33415199160,16cyclictest0-21swapper/400:14:154
33415199160,16cyclictest0-21swapper/400:09:084
33416099159,5cyclictest725781-21latency_hist22:28:147
33416099150,14cyclictest0-21swapper/719:13:407
33415799153,5cyclictest0-21swapper/622:58:306
334153991513,2cyclictest812747-21kworker/u16:0+flush-8:023:49:325
334153991513,2cyclictest812747-21kworker/u16:0+flush-8:023:49:325
33415199150,9cyclictest0-21swapper/420:48:384
334160991410,3cyclictest1267-21snmpd19:26:457
33416099140,13cyclictest0-21swapper/719:38:367
33416099140,12cyclictest807138-21kthreadcore23:08:337
334157991413,1cyclictest0-21swapper/621:28:146
334151991413,1cyclictest0-21swapper/421:58:414
33416099139,3cyclictest870320-21ntpq23:38:397
33416099139,3cyclictest434791-21munin-run19:58:147
33416099139,3cyclictest434791-21munin-run19:58:147
33416099139,3cyclictest1267-21snmpd22:34:297
33416099139,3cyclictest1267-21snmpd22:07:527
33416099139,3cyclictest1267-21snmpd21:42:017
33416099139,3cyclictest1267-21snmpd20:05:317
33416099139,3cyclictest1267-21snmpd00:25:197
33416099139,3cyclictest1267-21snmpd00:16:077
33416099138,4cyclictest1267-21snmpd22:20:327
33416099138,3cyclictest570884-21/usr/sbin/munin21:08:417
334160991312,0cyclictest0-21swapper/723:48:397
334160991312,0cyclictest0-21swapper/723:48:397
334160991312,0cyclictest0-21swapper/721:53:337
334160991312,0cyclictest0-21swapper/719:18:287
33416099130,2cyclictest774626-21/usr/sbin/munin22:53:407
334157991312,1cyclictest0-21swapper/623:08:306
334157991312,1cyclictest0-21swapper/600:13:376
33415799130,1cyclictest0-21swapper/620:33:356
334151991312,1cyclictest0-21swapper/422:15:244
334151991312,1cyclictest0-21swapper/422:15:244
334151991312,1cyclictest0-21swapper/419:11:254
33416099129,2cyclictest1267-21snmpd21:15:007
33416099128,3cyclictest891031-21/usr/sbin/munin23:53:367
33416099128,3cyclictest1267-21snmpd23:19:427
33416099128,3cyclictest1267-21snmpd23:07:517
33416099128,3cyclictest1267-21snmpd20:35:417
33416099127,4cyclictest764902-21/usr/sbin/munin22:48:367
33416099126,5cyclictest6184-21gvfs-afc-volume20:08:407
33416099125,6cyclictest6184-21gvfs-afc-volume00:18:307
334160991212,0cyclictest0-21swapper/722:08:287
334160991211,0cyclictest0-21swapper/722:58:447
33416099120,11cyclictest764519-21munin-run22:48:137
33416099120,11cyclictest1060-21runrttasks20:48:387
33416099120,10cyclictest0-21swapper/719:43:377
33415799129,2cyclictest540188-21latency20:48:356
334157991211,1cyclictest0-21swapper/623:45:336
334157991211,1cyclictest0-21swapper/622:42:116
334157991211,1cyclictest0-21swapper/619:47:586
334157991211,1cyclictest0-21swapper/619:33:196
33415799120,6cyclictest0-21swapper/623:58:306
33415799120,1cyclictest0-21swapper/622:09:236
33415799120,1cyclictest0-21swapper/619:58:046
33415799120,1cyclictest0-21swapper/619:58:046
33415799120,12cyclictest0-21swapper/620:22:306
33415199120,12cyclictest0-21swapper/421:07:274
33415199120,11cyclictest0-21swapper/422:03:254
33416099118,2cyclictest1267-21snmpd21:28:037
33416099117,3cyclictest1267-21snmpd23:33:247
33416099117,3cyclictest1267-21snmpd20:47:177
33416099110,9cyclictest0-21swapper/720:13:267
33416099110,10cyclictest1267-21snmpd21:05:547
33415799118,2cyclictest922862-21kthreadcore00:08:326
334157991110,1cyclictest0-21swapper/622:24:036
334157991110,1cyclictest0-21swapper/621:39:266
334157991110,1cyclictest0-21swapper/620:14:376
334157991110,1cyclictest0-21swapper/620:10:506
334157991110,1cyclictest0-21swapper/600:29:326
33415799110,11cyclictest0-21swapper/621:20:126
33415799110,11cyclictest0-21swapper/620:55:466
33415799110,11cyclictest0-21swapper/619:43:056
33415799110,11cyclictest0-21swapper/619:23:046
33415799110,0cyclictest0-21swapper/622:04:396
33415799110,0cyclictest0-21swapper/621:50:566
33415799110,0cyclictest0-21swapper/619:17:336
33415199119,2cyclictest482528-21kworker/u16:1+flush-8:020:23:404
33415199116,4cyclictest649223-21cat21:48:284
334151991110,1cyclictest0-21swapper/422:57:394
334151991110,1cyclictest0-21swapper/422:52:554
334151991110,1cyclictest0-21swapper/421:43:244
334151991110,1cyclictest0-21swapper/421:37:434
334151991110,1cyclictest0-21swapper/421:32:034
334151991110,1cyclictest0-21swapper/420:11:014
334151991110,1cyclictest0-21swapper/419:42:574
33415199110,1cyclictest0-21swapper/419:48:004
33415199110,11cyclictest0-21swapper/423:20:504
33415199110,11cyclictest0-21swapper/422:34:194
33415199110,11cyclictest0-21swapper/421:40:344
33415199110,11cyclictest0-21swapper/421:21:014
33415199110,11cyclictest0-21swapper/420:37:204
33415199110,11cyclictest0-21swapper/420:03:084
33415199110,11cyclictest0-21swapper/419:33:114
33415199110,11cyclictest0-21swapper/419:28:084
33416099103,6cyclictest334146-21cyclictest21:33:327
33415799109,1cyclictest0-21swapper/623:53:556
33415799109,1cyclictest0-21swapper/622:44:236
33415799109,1cyclictest0-21swapper/621:03:586
33415799109,1cyclictest0-21swapper/619:28:166
33415799108,1cyclictest0-21swapper/623:48:326
33415799108,1cyclictest0-21swapper/623:48:326
33415799108,1cyclictest0-21swapper/623:18:286
33415199109,1cyclictest0-21swapper/422:25:204
33415199109,1cyclictest0-21swapper/420:59:154
33415199109,1cyclictest0-21swapper/419:52:534
33415199105,4cyclictest571608-21tune2fs21:08:274
33415199101,6cyclictest347902-21memory19:13:194
33415199100,10cyclictest0-21swapper/423:00:014
33415199100,0cyclictest0-21swapper/420:14:574
3341579998,1cyclictest0-21swapper/621:57:436
3341579998,1cyclictest0-21swapper/621:12:106
3341579997,1cyclictest0-21swapper/623:33:276
3341579997,1cyclictest0-21swapper/622:53:286
3341579997,1cyclictest0-21swapper/622:33:306
3341579997,1cyclictest0-21swapper/622:18:336
3341579997,1cyclictest0-21swapper/621:43:356
3341579997,1cyclictest0-21swapper/621:33:266
3341579997,1cyclictest0-21swapper/621:28:326
3341579997,1cyclictest0-21swapper/620:58:366
3341579997,1cyclictest0-21swapper/620:43:316
3341579997,1cyclictest0-21swapper/620:38:316
3341579997,1cyclictest0-21swapper/620:28:346
3341579997,1cyclictest0-21swapper/620:03:316
3341579997,1cyclictest0-21swapper/619:23:356
3341579997,1cyclictest0-21swapper/619:08:306
3341579997,1cyclictest0-21swapper/600:33:326
3341579997,1cyclictest0-21swapper/600:23:296
3341579997,1cyclictest0-21swapper/600:18:326
3341579995,3cyclictest435955-21cat19:58:316
3341579994,4cyclictest766381-21cut22:48:316
3341579994,4cyclictest585011-21kthreadcore21:13:326
3341579994,4cyclictest484468-21cat20:23:296
3341579994,4cyclictest417042-21kthreadcore19:48:336
3341519998,1cyclictest0-21swapper/423:05:044
3341519998,1cyclictest0-21swapper/420:56:344
3341519998,1cyclictest0-21swapper/420:22:504
3341519998,1cyclictest0-21swapper/419:57:564
3341519998,1cyclictest0-21swapper/419:57:564
3341519990,8cyclictest0-21swapper/419:18:344
3341519990,1cyclictest0-21swapper/421:13:404
3341579986,1cyclictest0-21swapper/623:38:306
3341579986,1cyclictest0-21swapper/623:28:276
3341579986,1cyclictest0-21swapper/623:23:336
3341579986,1cyclictest0-21swapper/622:28:286
3341579986,1cyclictest0-21swapper/621:58:306
3341579983,4cyclictest910647-21cpuspeed_turbos00:03:266
3341579983,4cyclictest816837-21grep23:13:326
3341579983,4cyclictest700695-21kthreadcore22:13:316
3341579983,4cyclictest700695-21kthreadcore22:13:316
3341579980,8cyclictest0-21swapper/623:03:286
3341519987,1cyclictest0-21swapper/423:26:024
3341519987,1cyclictest0-21swapper/423:10:164
3341519987,1cyclictest0-21swapper/422:32:074
3341519986,1cyclictest600745-21fschecks_time21:23:274
3341519986,1cyclictest0-21swapper/419:33:324
3341519984,3cyclictest528462-21cut20:43:344
3341519983,4cyclictest687654-21expr22:08:254
3341519983,4cyclictest665548-21cut21:53:354
3341519983,4cyclictest521826-21chrt20:40:224
3341519983,4cyclictest498970-21cut20:28:344
3341519983,4cyclictest452405-21cut20:03:344
3341519980,3cyclictest818769-21grep23:13:334
3341519972,4cyclictest755616-21cat22:43:264
3341519972,4cyclictest746324-21sed22:38:294
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