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2026-09-08 - 01:55
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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 Tue Sep 08, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
223027925140,8sleep50-21swapper/519:06:265
2230769994540,4cyclictest2930527-21latency_hist00:19:107
22220272452,31sleep70-21swapper/719:04:287
223076999360,34cyclictest2553187-21latency_hist21:44:107
223028923624,8sleep40-21swapper/419:06:334
2230768993532,2cyclictest2166787-21kworker/u16:1+flush-8:020:04:296
2230769993325,7cyclictest2263641-21latency_hist19:24:117
223046223221,8sleep60-21swapper/619:09:006
2230769993125,5cyclictest2845243-21latency_hist23:44:107
2230759993129,2cyclictest2589675-21kworker/u16:1+events_unbound22:44:394
2230763993028,2cyclictest2166787-21kworker/u16:1+flush-8:020:14:385
2230769992924,4cyclictest2906101-21latency_hist00:09:107
2230763992925,3cyclictest2589675-21kworker/u16:1+flush-8:022:24:275
2230759992927,2cyclictest2881878-21kworker/u16:2+events_unbound00:09:294
2230759992926,3cyclictest2660230-21kworker/u16:3+flush-8:022:44:104
2230769992821,6cyclictest2662592-21latency_hist22:29:107
2230759992725,2cyclictest2674887-21kworker/u16:4+events_unbound23:14:404
2230759992725,2cyclictest2674887-21kworker/u16:4+events_unbound23:14:404
2230763992522,2cyclictest2489884-21kworker/u16:1+flush-8:021:24:265
2230759992523,2cyclictest2563674-21kworker/u16:2+flush-8:021:54:394
223076999240,22cyclictest2954864-21latency_hist00:29:097
2230763992422,2cyclictest2502927-21kworker/u16:3+flush-8:021:49:365
2230763992422,2cyclictest2502927-21kworker/u16:3+flush-8:021:49:365
2230763992421,2cyclictest2674887-21kworker/u16:4+events_unbound23:04:255
2230759992422,2cyclictest2502927-21kworker/u16:3+events_unbound21:24:254
2230759992422,2cyclictest2166787-21kworker/u16:1+flush-8:020:14:264
2230759992421,2cyclictest2589675-21kworker/u16:1+flush-8:022:04:104
2230759992421,2cyclictest2541046-21kworker/u16:0+flush-8:022:14:234
2230768992321,2cyclictest2322404-21kworker/u16:0+flush-8:020:24:396
2230763992321,2cyclictest2881878-21kworker/u16:2+events_unbound00:14:345
2230763992321,2cyclictest2869988-21kworker/u16:0+flush-8:000:24:255
2230763992321,2cyclictest2674887-21kworker/u16:4+flush-8:023:29:395
2230763992319,4cyclictest2166787-21kworker/u16:1+flush-8:020:09:115
2230759992321,2cyclictest2528696-21kworker/u16:1+events_unbound21:34:354
2230759992320,2cyclictest2390024-21kworker/u16:3+events_unbound20:34:354
2230768992220,2cyclictest2589675-21kworker/u16:1+events_unbound22:24:396
2230763992220,2cyclictest2528696-21kworker/u16:1+flush-8:021:34:275
2230763992119,2cyclictest2699150-21kworker/u16:2+flush-8:022:54:255
2230763992119,2cyclictest2502927-21kworker/u16:3+events_unbound22:09:385
2230763992119,2cyclictest2390462-21kworker/u16:4+flush-8:020:59:395
2230763992119,2cyclictest2322404-21kworker/u16:0+flush-8:020:44:385
2230759992120,1cyclictest2674887-21kworker/u16:4+events_unbound23:02:044
2230759992119,2cyclictest2166787-21kworker/u16:1+flush-8:019:44:364
2230759992119,2cyclictest2166787-21kworker/u16:1+flush-8:019:44:364
2230769992016,3cyclictest126-21kswapd022:33:277
2230768992016,3cyclictest2869988-21kworker/u16:0+flush-8:023:59:266
2230763992018,2cyclictest2758210-21kworker/u16:0+flush-8:023:09:305
2230763992017,3cyclictest2881878-21kworker/u16:2+flush-8:000:00:505
2230763992016,3cyclictest2674887-21kworker/u16:4+flush-8:022:59:275
2230759992018,2cyclictest2166787-21kworker/u16:1+flush-8:019:39:474
223076999190,17cyclictest2857405-21latency_hist23:49:097
2230759991816,2cyclictest2881878-21kworker/u16:2+flush-8:000:19:484
2230759991816,2cyclictest2390462-21kworker/u16:4+flush-8:020:49:384
2230759991815,2cyclictest2660230-21kworker/u16:3+flush-8:022:29:244
2230769991714,2cyclictest1277-21snmpd20:13:497
2230769991712,4cyclictest2399784-21latency_hist20:34:107
2230769991712,4cyclictest2399784-21latency_hist20:34:107
2230763991714,3cyclictest2390024-21kworker/u16:3+flush-8:020:29:275
2230763991714,3cyclictest2390024-21kworker/u16:3+flush-8:020:29:275
2230763991714,2cyclictest2166787-21kworker/u16:1+events_unbound19:44:245
2230763991714,2cyclictest2166787-21kworker/u16:1+events_unbound19:44:245
2230769991613,2cyclictest1277-21snmpd00:01:427
223076999160,3cyclictest2647405-21ssh22:19:347
2230763991614,2cyclictest2869988-21kworker/u16:0+flush-8:000:29:515
223076399160,15cyclictest2976203-21ntpq00:34:345
223076399160,15cyclictest2976203-21ntpq00:34:345
2230759991613,2cyclictest2660230-21kworker/u16:3+flush-8:023:44:244
223075999160,16cyclictest0-21swapper/421:04:364
23231622150,1sleep60-21swapper/619:54:266
223076999156,5cyclictest6175-21gvfs-afc-volume22:13:327
2230769991512,2cyclictest2976187-21ssh00:34:347
2230769991512,2cyclictest2976187-21ssh00:34:347
2230769991512,2cyclictest1277-21snmpd21:55:167
223076999150,13cyclictest1277-21snmpd22:38:567
2230768991514,1cyclictest0-21swapper/621:22:486
2230768991512,3cyclictest2674887-21kworker/u16:4+flush-8:022:59:346
2230763991512,3cyclictest2699150-21kworker/u16:2+flush-8:022:49:425
2230759991514,1cyclictest0-21swapper/419:54:274
2230759991513,2cyclictest2430701-21kworker/u16:2+flush-8:021:19:414
223075999150,15cyclictest0-21swapper/422:08:564
223076999145,8cyclictest1017-21in:imjournal23:24:287
223076999141,11cyclictest2537935-21ssh21:34:357
2230769991410,3cyclictest6175-21gvfs-afc-volume19:09:377
223076999140,1cyclictest0-21swapper/723:29:337
223076999140,1cyclictest0-21swapper/721:29:387
2230768991413,1cyclictest0-21swapper/623:28:466
2230768991413,1cyclictest0-21swapper/622:39:546
2230768991413,1cyclictest0-21swapper/622:02:236
2230768991413,1cyclictest0-21swapper/621:25:396
2230768991413,1cyclictest0-21swapper/600:35:466
2230768991413,1cyclictest0-21swapper/600:35:466
2230768991412,1cyclictest2603153-21smartctl22:04:256
223076899140,14cyclictest0-21swapper/623:45:196
223076899140,14cyclictest0-21swapper/600:25:226
2230763991413,1cyclictest0-21swapper/523:44:365
2230763991413,1cyclictest0-21swapper/523:19:135
2230763991413,1cyclictest0-21swapper/522:34:275
2230763991413,1cyclictest0-21swapper/522:16:575
2230763991413,1cyclictest0-21swapper/521:54:335
2230763991413,1cyclictest0-21swapper/500:19:455
2230763991413,1cyclictest0-21swapper/500:14:055
223076399140,14cyclictest0-21swapper/522:07:575
2230759991413,1cyclictest0-21swapper/423:29:394
2230759991413,1cyclictest0-21swapper/421:49:234
2230759991413,1cyclictest0-21swapper/421:49:234
2230759991412,2cyclictest2660230-21kworker/u16:3+flush-8:023:54:044
2230759991412,2cyclictest2541046-21kworker/u16:0+events_unbound22:34:394
2230759991411,2cyclictest2660230-21kworker/u16:3+flush-8:023:54:344
2230759991411,2cyclictest2660230-21kworker/u16:3+flush-8:023:54:344
223075999140,1cyclictest0-21swapper/419:14:244
223075999140,1cyclictest0-21swapper/400:36:394
223075999140,1cyclictest0-21swapper/400:36:394
223075999140,14cyclictest0-21swapper/423:26:484
223075999140,14cyclictest0-21swapper/423:10:154
223075999140,14cyclictest0-21swapper/421:30:094
223076999139,3cyclictest1277-21snmpd23:16:067
223076999139,3cyclictest1277-21snmpd23:16:067
223076999139,3cyclictest1277-21snmpd22:01:467
223076999139,3cyclictest1277-21snmpd20:53:357
223076999139,3cyclictest1277-21snmpd20:27:527
223076999138,4cyclictest1277-21snmpd22:46:117
223076999138,4cyclictest1277-21snmpd19:58:287
223076999138,4cyclictest1277-21snmpd19:48:107
223076999138,4cyclictest1277-21snmpd19:48:107
223076999133,5cyclictest6175-21gvfs-afc-volume00:21:067
2230769991311,1cyclictest0-21swapper/722:39:107
2230769991310,2cyclictest0-21swapper/722:04:107
223076999130,11cyclictest1277-21snmpd20:36:147
2230768991312,1cyclictest0-21swapper/623:38:516
2230768991312,1cyclictest0-21swapper/623:12:136
2230768991312,1cyclictest0-21swapper/622:32:106
2230768991312,1cyclictest0-21swapper/621:17:086
2230768991312,1cyclictest0-21swapper/620:47:206
2230768991312,1cyclictest0-21swapper/619:10:326
2230768991312,1cyclictest0-21swapper/600:21:446
2230768991312,1cyclictest0-21swapper/600:09:366
2230763991312,1cyclictest0-21swapper/523:40:585
2230763991312,1cyclictest0-21swapper/523:37:215
2230763991312,1cyclictest0-21swapper/500:07:375
2230763991311,2cyclictest2807449-21kworker/u16:1+flush-8:023:54:395
2230763991311,2cyclictest2807449-21kworker/u16:1+flush-8:023:54:395
2230763991311,2cyclictest2674887-21kworker/u16:4+flush-8:023:14:355
2230763991311,2cyclictest2674887-21kworker/u16:4+flush-8:023:14:355
223076399130,1cyclictest0-21swapper/521:41:575
2230759991312,1cyclictest0-21swapper/423:43:224
2230759991312,1cyclictest0-21swapper/422:28:574
2230759991312,1cyclictest0-21swapper/422:22:014
2230759991312,1cyclictest0-21swapper/422:13:024
2230759991311,2cyclictest2929220-21kworker/u16:3+events_unbound00:24:344
2230759991310,2cyclictest2359667-21latency20:09:314
223076999129,2cyclictest1277-21snmpd21:23:097
223076999129,2cyclictest1277-21snmpd00:33:227
223076999128,3cyclictest1277-21snmpd23:03:597
223076999128,3cyclictest1277-21snmpd22:53:147
223076999128,3cyclictest1277-21snmpd19:17:007
223076999127,4cyclictest6275-21gmain20:44:357
223076999127,4cyclictest4459-21sendmail19:34:367
223076999126,5cyclictest6175-21gvfs-afc-volume22:16:427
223076999126,5cyclictest2273325-21latency_hist19:29:117
223076999125,6cyclictest938-21gmain23:09:277
223076999123,8cyclictest1206-21tuned22:57:177
2230769991212,0cyclictest0-21swapper/700:13:487
223076999120,11cyclictest1277-21snmpd20:21:227
223076999120,11cyclictest1277-21snmpd19:40:187
223076999120,10cyclictest1277-21snmpd21:04:147
223076999120,10cyclictest1126-21ntpd19:50:467
2230768991211,1cyclictest0-21swapper/623:57:286
2230768991211,1cyclictest0-21swapper/623:57:286
2230768991211,1cyclictest0-21swapper/622:49:126
2230768991211,1cyclictest0-21swapper/622:46:226
2230768991211,1cyclictest0-21swapper/622:34:136
2230768991211,1cyclictest0-21swapper/619:49:386
2230768991211,1cyclictest0-21swapper/619:40:306
2230768991211,1cyclictest0-21swapper/600:30:346
2230768991211,1cyclictest0-21swapper/600:06:466
223076399129,2cyclictest2166787-21kworker/u16:1+events_unbound19:49:285
2230763991211,1cyclictest0-21swapper/522:40:075
2230763991211,1cyclictest0-21swapper/520:58:365
2230763991211,1cyclictest0-21swapper/519:59:385
2230763991211,1cyclictest0-21swapper/519:28:255
2230759991211,1cyclictest0-21swapper/422:50:524
223075999120,1cyclictest0-21swapper/419:34:174
223076999118,2cyclictest1277-21snmpd20:14:437
223076999118,2cyclictest1277-21snmpd20:03:497
223076999118,2cyclictest0-21swapper/723:19:377
223076999117,3cyclictest1277-21snmpd21:44:407
223076999117,3cyclictest1277-21snmpd20:59:297
223076999115,6cyclictest5704-21gmain23:50:387
223076999115,5cyclictest6175-21gvfs-afc-volume21:09:147
223076999115,5cyclictest6175-21gvfs-afc-volume21:09:147
223076999115,5cyclictest2833066-21latency_hist23:39:107
223076999110,5cyclictest1277-21snmpd21:25:467
223076899119,2cyclictest86-21ksoftirqd/623:19:336
223076899113,7cyclictest0-21swapper/621:44:256
223076899112,3cyclictest2924941-21grep00:14:306
2230768991110,1cyclictest0-21swapper/623:31:366
2230768991110,1cyclictest0-21swapper/623:18:416
2230768991110,1cyclictest0-21swapper/623:18:416
2230768991110,1cyclictest0-21swapper/622:22:246
2230768991110,1cyclictest0-21swapper/621:51:496
2230768991110,1cyclictest0-21swapper/621:51:496
2230768991110,1cyclictest0-21swapper/621:35:536
2230768991110,1cyclictest0-21swapper/621:11:276
2230768991110,1cyclictest0-21swapper/621:11:276
2230768991110,1cyclictest0-21swapper/621:08:376
2230768991110,1cyclictest0-21swapper/620:55:236
2230768991110,1cyclictest0-21swapper/620:42:086
2230768991110,1cyclictest0-21swapper/620:37:436
2230768991110,1cyclictest0-21swapper/620:33:186
2230768991110,1cyclictest0-21swapper/620:33:186
2230768991110,1cyclictest0-21swapper/619:38:086
223076899110,4cyclictest2457240-21sh20:59:376
223076899110,3cyclictest2246969-21grep19:14:286
223076399118,2cyclictest2255173-21irqcore19:19:255
2230763991110,1cyclictest0-21swapper/523:26:285
2230763991110,1cyclictest0-21swapper/522:47:225
2230763991110,1cyclictest0-21swapper/522:00:145
2230763991110,1cyclictest0-21swapper/521:19:345
223076399110,11cyclictest0-21swapper/521:08:135
2230759991110,1cyclictest0-21swapper/423:19:334
2230759991110,1cyclictest0-21swapper/422:57:204
2230759991110,1cyclictest0-21swapper/421:44:304
2230759991110,1cyclictest0-21swapper/420:45:234
2230759991110,1cyclictest0-21swapper/420:30:334
2230759991110,1cyclictest0-21swapper/420:30:334
2230759991110,1cyclictest0-21swapper/400:30:394
223075999110,11cyclictest0-21swapper/419:09:514
223076999107,3cyclictest6387-21gmain23:08:347
223076999107,3cyclictest5805-21gsd-housekeepin23:54:337
223076999107,3cyclictest5805-21gsd-housekeepin23:54:337
223076999107,2cyclictest1277-21snmpd21:49:317
223076999107,2cyclictest1277-21snmpd21:49:317
223076999106,3cyclictest6275-21gmain20:04:317
223076999106,3cyclictest6175-21gvfs-afc-volume20:39:217
223076999106,3cyclictest1277-21snmpd19:29:307
223076999105,4cyclictest2448323-21seq20:57:337
223076999104,4cyclictest2492088-21rm21:18:477
223076899109,1cyclictest0-21swapper/621:29:456
223076899107,2cyclictest2622021-21kthreadcore22:09:336
223076899106,3cyclictest2578857-21cat21:54:256
223076899106,3cyclictest2547244-21tr21:39:316
223076899106,3cyclictest2268752-21kthreadcore19:24:306
223076899106,3cyclictest2263206-21unixbench_multi19:19:376
223076899104,5cyclictest0-21swapper/622:54:286
223076899100,9cyclictest2862011-21cat23:49:336
223076399109,1cyclictest0-21swapper/521:32:585
223076399109,1cyclictest0-21swapper/519:11:055
223076399107,2cyclictest2528696-21kworker/u16:1+flush-8:021:44:285
223075999109,1cyclictest0-21swapper/423:06:384
223075999109,1cyclictest0-21swapper/421:03:494
223075999109,1cyclictest0-21swapper/419:33:294
223075999109,1cyclictest0-21swapper/400:06:514
223075999108,1cyclictest0-21swapper/421:39:244
223075999108,1cyclictest0-21swapper/400:14:264
223075999107,2cyclictest2375247-21kthreadcore20:19:284
223075999106,3cyclictest2429045-21kworker/u16:1+flush-8:021:09:114
223075999106,3cyclictest2429045-21kworker/u16:1+flush-8:021:09:114
223075999100,10cyclictest0-21swapper/420:55:004
22307689994,4cyclictest2627191-21forks22:14:236
22307689994,4cyclictest2372536-21cut20:19:276
22307689991,2cyclictest0-21swapper/623:39:226
22307689990,8cyclictest2433678-21kthreadcore20:49:286
22307689990,8cyclictest0-21swapper/619:59:226
22307689990,3cyclictest2751199-21kthreadcore23:04:286
22307689990,2cyclictest2353837-21kthreadcore20:09:286
22307639998,1cyclictest0-21swapper/521:11:035
22307639998,1cyclictest0-21swapper/521:11:035
22307639998,1cyclictest0-21swapper/520:25:485
22307639997,2cyclictest2390462-21kworker/u16:4+flush-8:021:14:245
22307639996,2cyclictest5708-21JS16:05:365
22307639995,3cyclictest2858737-21cat23:49:295
22307599997,2cyclictest2166787-21kworker/u16:1+flush-8:019:19:254
22307599997,1cyclictest0-21swapper/423:34:264
22307599997,1cyclictest0-21swapper/420:04:304
22307599995,3cyclictest2883036-21cat23:59:244
22307599995,3cyclictest0-21swapper/419:59:264
22307599994,4cyclictest2489758-21awk21:14:394
22307599994,4cyclictest2410432-21dnf20:39:244
22307689985,2cyclictest2274494-21cat19:29:276
22307689984,3cyclictest2304605-21kthreadcore19:44:286
22307689984,3cyclictest2304605-21kthreadcore19:44:286
22307639987,1cyclictest0-21swapper/519:31:345
22307639986,1cyclictest0-21swapper/520:39:255
22307639984,3cyclictest2324150-21cut19:54:285
22307639983,4cyclictest2293247-21cat19:39:205
22307639983,4cyclictest2241210-21cut19:14:135
22307599986,1cyclictest0-21swapper/419:49:284
22307599986,1cyclictest0-21swapper/419:24:224
22307599983,4cyclictest2384068-21cut20:24:284
22307689972,4cyclictest2361427-21cpuspeed_turbos20:14:236
22307639975,1cyclictest0-21swapper/520:19:235
22307639973,3cyclictest2639232-21expr22:19:225
22307639973,3cyclictest2431560-21kthreadcore20:49:265
22307639973,3cyclictest2403247-21cut20:34:305
22307639973,3cyclictest2352601-21cut20:09:275
22307639972,4cyclictest2663204-21cat22:29:235
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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