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2026-07-22 - 05:01
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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 Wed Jul 22, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322540321040,1sleep50-21swapper/522:44:415
275514825622,29sleep70-21swapper/719:05:527
275530624636,7sleep50-21swapper/519:08:065
2755708994542,2cyclictest2984033-21fschecks_time21:04:457
274613924432,8sleep40-21swapper/419:04:364
2755708993533,1cyclictest0-21swapper/700:00:297
2755708993431,2cyclictest2805662-21kthreadcore19:29:497
275526023221,8sleep60-21swapper/619:07:276
2755699993028,2cyclictest3261130-21kworker/u16:0+events_unbound23:11:064
2755702992927,2cyclictest3371300-21kworker/u16:1+flush-8:023:59:465
2755699992927,2cyclictest3405148-21kworker/u16:0+events_unbound23:59:444
33336562280,1chrt3333657-21sh23:28:277
33336562280,1chrt3333657-21sh23:28:277
2755708992827,0cyclictest0-21swapper/721:24:387
2755699992725,2cyclictest3179361-21kworker/u16:1+events_unbound23:01:514
2755699992725,2cyclictest3051396-21kworker/u16:4+flush-8:021:51:434
2755699992725,2cyclictest3004992-21kworker/u16:2+events_unbound23:19:444
2755699992725,2cyclictest2797945-21kworker/u16:2+events_unbound20:54:424
275570899260,24cyclictest3103056-21cat21:54:407
2755699992624,2cyclictest3371300-21kworker/u16:1+events_unbound23:46:364
2755699992624,2cyclictest3004992-21kworker/u16:2+events_unbound00:19:114
2755699992624,2cyclictest3004992-21kworker/u16:2+events_unbound00:06:444
2755699992624,2cyclictest2966517-21kworker/u16:3+events_unbound21:42:524
2755699992624,2cyclictest2966517-21kworker/u16:3+events_unbound21:16:234
2755699992624,2cyclictest2966517-21kworker/u16:3+events_unbound21:12:274
2755699992624,2cyclictest2809141-21kworker/u16:1+events_unbound20:29:154
2755699992623,2cyclictest2797945-21kworker/u16:2+flush-8:020:09:294
2755699992621,4cyclictest3029252-21cat21:24:234
2755699992621,4cyclictest3029252-21cat21:24:234
2755708992524,0cyclictest0-21swapper/721:16:587
2755702992520,4cyclictest2778788-21latency_hist19:19:295
2755702992520,4cyclictest2778788-21latency_hist19:19:295
2755699992523,2cyclictest3371300-21kworker/u16:1+events_unbound23:53:154
2755699992523,2cyclictest3090410-21kworker/u16:5+events_unbound22:27:044
2755699992523,2cyclictest3051396-21kworker/u16:4+events_unbound22:06:314
2755699992523,2cyclictest3051396-21kworker/u16:4+events_unbound21:55:404
2755699992523,2cyclictest3004992-21kworker/u16:2+flush-8:023:31:234
2755699992523,2cyclictest3004992-21kworker/u16:2+events_unbound21:47:474
2755699992523,2cyclictest2966517-21kworker/u16:3+events_unbound22:53:314
2755699992523,2cyclictest2919591-21kworker/u16:0+flush-8:020:37:424
2755699992523,2cyclictest2886738-21kworker/u16:3+events_unbound20:30:434
2755699992523,2cyclictest2809141-21kworker/u16:1+events_unbound20:52:294
2755699992523,2cyclictest2777820-21kworker/u16:3+events_unbound19:35:174
2755699992523,2cyclictest2769969-21kworker/u16:0+events_unbound19:33:474
2755699992522,2cyclictest3004992-21kworker/u16:2+events_unbound23:07:104
30449562240,1chrt0-21swapper/521:29:485
2755699992422,2cyclictest3468790-21kworker/u16:1+events_unbound00:39:094
2755699992422,2cyclictest3468789-21kworker/u16:0+events_unbound00:29:264
2755699992422,2cyclictest3090410-21kworker/u16:5+events_unbound22:13:554
2755699992422,2cyclictest3029773-21kworker/u16:1+events_unbound21:33:184
2755699992422,2cyclictest3004992-21kworker/u16:2+flush-8:022:00:364
2755699992422,2cyclictest3004992-21kworker/u16:2+events_unbound22:36:564
2755699992422,2cyclictest2966517-21kworker/u16:3+flush-8:021:25:164
2755699992422,2cyclictest2966517-21kworker/u16:3+events_unbound22:58:054
2755708992320,2cyclictest3319176-21find23:19:597
2755702992322,1cyclictest3407889-21kworker/u16:4+events_unbound00:10:335
2755699992321,2cyclictest3491884-21kworker/u16:3+events_unbound00:33:314
2755699992321,2cyclictest3261130-21kworker/u16:0+events_unbound23:25:364
2755699992321,2cyclictest3261130-21kworker/u16:0+events_unbound23:25:364
2755699992321,2cyclictest3261130-21kworker/u16:0+events_unbound23:19:074
2755699992321,2cyclictest2981938-21kworker/u16:5+flush-8:021:00:344
2755699992321,2cyclictest2847086-21kworker/u16:4+flush-8:020:19:134
2755699992321,2cyclictest2737289-21kworker/u16:1+flush-8:019:12:184
2755704992216,5cyclictest2765246-21latency_hist19:14:286
2755702992220,2cyclictest2847086-21kworker/u16:4+flush-8:020:14:545
2755702992219,2cyclictest3004993-21kworker/u16:4+flush-8:021:19:295
2755702992219,2cyclictest3004993-21kworker/u16:4+flush-8:021:19:295
2755702992218,3cyclictest2966517-21kworker/u16:3+flush-8:022:54:275
2755702992218,3cyclictest2797945-21kworker/u16:2+flush-8:019:44:575
2755699992220,2cyclictest3405148-21kworker/u16:0+events_unbound23:55:304
2755699992220,2cyclictest3090410-21kworker/u16:5+events_unbound22:39:364
2755699992220,2cyclictest3090410-21kworker/u16:5+events_unbound22:15:584
2755699992220,2cyclictest3004992-21kworker/u16:2+events_unbound22:21:034
2755699992220,2cyclictest2809141-21kworker/u16:1+flush-8:021:09:244
2755699992220,2cyclictest2797945-21kworker/u16:2+events_unbound20:12:114
2755699992220,2cyclictest2797945-21kworker/u16:2+events_unbound19:47:094
2755699992220,2cyclictest2769969-21kworker/u16:0+events_unbound19:23:574
29269292210,1chrt2926930-21kthreadcore20:34:457
2755708992118,2cyclictest3024638-21cut21:19:547
2755708992118,2cyclictest3024638-21cut21:19:547
2755699992119,2cyclictest3346925-21kworker/u16:3+events_unbound23:44:224
2755699992119,2cyclictest3090410-21kworker/u16:5+events_unbound22:46:524
2755699992119,2cyclictest2855593-21kworker/u16:5+events_unbound19:55:094
2755699992119,2cyclictest2809141-21kworker/u16:1+events_unbound19:51:134
2755699992119,2cyclictest2769969-21kworker/u16:0+events_unbound19:41:214
2755699992018,2cyclictest3090410-21kworker/u16:5+flush-8:022:33:224
2755699992018,2cyclictest2809141-21kworker/u16:1+events_unbound20:01:264
2755699992018,2cyclictest2797945-21kworker/u16:2+events_unbound20:48:014
2755708991918,0cyclictest0-21swapper/719:44:287
275570899190,17cyclictest3370535-21sh23:43:467
2755702991917,2cyclictest2769969-21kworker/u16:0+flush-8:019:24:445
2755699991917,2cyclictest2966517-21kworker/u16:3+flush-8:021:35:324
2755699991917,2cyclictest2809141-21kworker/u16:1+events_unbound20:19:334
2755708991817,0cyclictest0-21swapper/721:50:577
2755708991816,1cyclictest3298689-21ssh23:14:447
2755708991814,3cyclictest1302-21snmpd20:49:047
2755708991814,3cyclictest1302-21snmpd19:16:237
2755708991814,3cyclictest1302-21snmpd19:16:237
275570499188,4cyclictest2866420-21cat20:04:296
2755704991811,6cyclictest3004815-21latency_hist21:14:286
2755699991816,2cyclictest2797945-21kworker/u16:2+events_unbound20:40:514
2755708991715,1cyclictest0-21swapper/722:22:507
2755708991714,2cyclictest1302-21snmpd21:13:387
2755708991713,3cyclictest1302-21snmpd19:57:127
275570899170,15cyclictest648-21systemd-journal00:09:287
2755702991715,2cyclictest2886738-21kworker/u16:3+flush-8:020:19:595
2755708991610,5cyclictest648-21systemd-journal20:24:287
275570899160,15cyclictest5831-21gnome-shell22:53:377
275570899160,14cyclictest0-21swapper/719:49:517
275570499160,12cyclictest0-21swapper/600:29:206
275570499160,0cyclictest0-21swapper/621:45:416
2755699991614,2cyclictest3407889-21kworker/u16:4+events_unbound00:20:154
2755699991614,2cyclictest2042114-21kworker/u16:4+flush-8:019:25:124
2755708991514,0cyclictest0-21swapper/719:09:567
2755708991513,1cyclictest3042988-21irqcore21:29:457
2755708991513,1cyclictest0-21swapper/719:34:487
2755708991512,2cyclictest3454514-21ssh00:16:187
2755708991512,2cyclictest0-21swapper/723:34:527
2755708991511,2cyclictest3188940-21df22:29:437
275570899150,13cyclictest3115485-21cstates21:59:427
275570499150,1cyclictest0-21swapper/622:30:566
275570499150,15cyclictest0-21swapper/623:52:366
2755702991514,1cyclictest0-21swapper/522:01:545
275570299150,15cyclictest0-21swapper/521:43:085
2755699991513,2cyclictest2777820-21kworker/u16:3+flush-8:019:16:254
2755699991513,2cyclictest2777820-21kworker/u16:3+flush-8:019:16:254
2755708991412,1cyclictest3295714-21ssh23:10:527
2755708991412,1cyclictest0-21swapper/700:12:057
2755708991411,2cyclictest1302-21snmpd20:04:127
2755708991411,2cyclictest0-21swapper/700:34:277
275570899140,12cyclictest3461184-21grep00:19:487
2755704991413,1cyclictest0-21swapper/623:45:026
2755704991413,1cyclictest0-21swapper/623:41:066
2755704991413,1cyclictest0-21swapper/623:00:066
2755704991413,1cyclictest0-21swapper/621:17:476
2755704991413,1cyclictest0-21swapper/620:24:486
2755704991413,1cyclictest0-21swapper/600:10:546
275570499140,1cyclictest0-21swapper/622:51:346
275570499140,14cyclictest0-21swapper/623:08:276
275570499140,14cyclictest0-21swapper/622:38:116
275570499140,14cyclictest0-21swapper/622:20:516
275570499140,14cyclictest0-21swapper/622:12:396
275570499140,14cyclictest0-21swapper/621:44:166
275570499140,14cyclictest0-21swapper/621:24:336
275570499140,14cyclictest0-21swapper/600:17:026
275570499140,14cyclictest0-21swapper/600:06:486
2755702991413,1cyclictest0-21swapper/523:30:495
2755702991413,1cyclictest0-21swapper/522:39:355
2755702991413,1cyclictest0-21swapper/522:32:205
2755702991413,1cyclictest0-21swapper/521:44:345
2755702991413,1cyclictest0-21swapper/521:25:195
2755702991412,2cyclictest3407889-21kworker/u16:4+flush-8:000:29:585
2755702991412,2cyclictest0-21swapper/523:52:165
275570299140,1cyclictest0-21swapper/522:23:115
275570899139,3cyclictest1302-21snmpd23:33:057
275570899139,3cyclictest1302-21snmpd23:08:467
275570899139,2cyclictest2915674-21cstates20:29:417
275570899137,5cyclictest6233-21gvfs-afc-volume21:41:347
2755708991313,0cyclictest0-21swapper/700:36:387
2755708991312,1cyclictest2992652-21diskmemload23:57:327
2755708991312,1cyclictest0-21swapper/721:39:257
275570899130,12cyclictest3211856-21ssh22:38:447
275570899130,12cyclictest3150772-21ssh22:13:297
275570899130,11cyclictest1302-21snmpd21:00:587
2755704991312,1cyclictest0-21swapper/621:35:366
2755704991312,1cyclictest0-21swapper/621:24:056
2755704991312,1cyclictest0-21swapper/621:24:056
2755704991312,1cyclictest0-21swapper/619:37:406
275570499130,4cyclictest3504893-21latency_hist00:39:276
275570499130,1cyclictest0-21swapper/619:17:486
275570499130,1cyclictest0-21swapper/619:17:486
275570499130,13cyclictest0-21swapper/623:37:096
275570499130,13cyclictest0-21swapper/622:05:236
275570499130,13cyclictest0-21swapper/621:56:156
275570499130,13cyclictest0-21swapper/600:23:116
275570499130,0cyclictest0-21swapper/623:12:246
2755702991312,1cyclictest0-21swapper/522:15:565
2755702991312,1cyclictest0-21swapper/522:09:385
2755702991312,1cyclictest0-21swapper/521:35:535
2755702991312,1cyclictest0-21swapper/500:20:205
2755702991312,1cyclictest0-21swapper/500:08:025
2755702991310,2cyclictest2963607-21kworker/u16:0+flush-8:021:09:285
275570299130,13cyclictest0-21swapper/523:07:015
275570299130,0cyclictest0-21swapper/500:36:445
275570899129,2cyclictest3259025-21ssh22:55:357
275570899129,2cyclictest1302-21snmpd23:51:447
275570899129,2cyclictest1302-21snmpd22:18:157
275570899129,2cyclictest1302-21snmpd20:53:467
275570899128,3cyclictest1302-21snmpd20:05:337
275570899128,3cyclictest1302-21snmpd19:27:217
275570899127,4cyclictest3213566-21cat22:39:437
2755708991211,0cyclictest0-21swapper/721:47:287
2755708991210,1cyclictest0-21swapper/720:09:457
2755704991211,1cyclictest0-21swapper/620:56:116
2755704991211,1cyclictest0-21swapper/620:47:496
2755704991211,1cyclictest0-21swapper/620:31:256
275570499120,4cyclictest2844261-21cut19:49:476
275570499120,2cyclictest2833352-21cut19:44:506
275570499120,1cyclictest0-21swapper/620:24:206
275570299129,2cyclictest3004992-21kworker/u16:2+flush-8:023:24:595
275570299129,2cyclictest3004992-21kworker/u16:2+flush-8:023:24:595
2755702991211,1cyclictest0-21swapper/523:17:255
2755702991211,1cyclictest0-21swapper/523:03:055
2755702991211,1cyclictest0-21swapper/522:24:365
2755702991211,1cyclictest0-21swapper/522:08:415
2755702991211,1cyclictest0-21swapper/520:49:325
2755702991210,2cyclictest2769969-21kworker/u16:0+flush-8:019:34:245
275570299120,12cyclictest0-21swapper/520:57:535
275570299120,12cyclictest0-21swapper/519:22:215
275570299120,12cyclictest0-21swapper/519:11:095
2755699991210,2cyclictest3432202-21kworker/u16:3+events_unbound00:12:284
275570899119,1cyclictest0-21swapper/722:24:507
275570899118,2cyclictest1302-21snmpd20:55:077
275570899118,2cyclictest1302-21snmpd00:24:457
275570899117,3cyclictest5841-21JS17:17:147
275570899117,3cyclictest1302-21snmpd19:47:337
275570899116,4cyclictest2906347-21cat20:24:467
275570899116,4cyclictest1302-21snmpd22:45:077
275570899110,9cyclictest2935148-21df_inode20:39:447
275570899110,10cyclictest1302-21snmpd23:01:347
2755704991110,1cyclictest0-21swapper/623:30:136
2755704991110,1cyclictest0-21swapper/623:22:486
2755704991110,1cyclictest0-21swapper/621:00:356
2755704991110,1cyclictest0-21swapper/620:51:466
2755704991110,1cyclictest0-21swapper/620:34:546
275570499110,1cyclictest0-21swapper/619:22:036
275570499110,11cyclictest0-21swapper/621:04:326
275570499110,11cyclictest0-21swapper/619:25:416
275570299119,2cyclictest2769969-21kworker/u16:0+events_unbound19:49:415
2755702991110,1cyclictest0-21swapper/523:20:535
2755702991110,1cyclictest0-21swapper/522:39:075
2755702991110,1cyclictest0-21swapper/521:15:335
2755702991110,1cyclictest0-21swapper/521:02:185
2755702991110,1cyclictest0-21swapper/519:40:005
275570299110,11cyclictest0-21swapper/520:39:085
275569999119,2cyclictest3004992-21kworker/u16:2+events_unbound23:39:234
275570899106,3cyclictest1302-21snmpd23:48:477
275570899105,5cyclictest6233-21gvfs-afc-volume22:06:587
275570499109,1cyclictest0-21swapper/622:56:106
275570499109,1cyclictest0-21swapper/622:45:266
275570499109,1cyclictest0-21swapper/600:29:496
275570499108,2cyclictest86-21ksoftirqd/623:59:446
275570499105,4cyclictest2891361-21cut20:14:506
275570499100,9cyclictest2849253-21tr19:54:476
275570299109,1cyclictest0-21swapper/521:10:115
275570299109,1cyclictest0-21swapper/520:13:545
27557089992,7cyclictest6466-21gmain19:19:497
27557049998,1cyclictest0-21swapper/623:19:206
27557049997,2cyclictest86-21ksoftirqd/622:26:026
27557049996,2cyclictest3224630-21cat22:44:276
27557049994,4cyclictest2799351-21tune2fs19:29:426
27557049992,1cyclictest2869931-21kthreadcore20:04:476
27557049990,9cyclictest0-21swapper/621:53:096
27557049990,8cyclictest2824934-21kthreadcore19:39:496
27557029998,1cyclictest0-21swapper/523:37:465
27557029998,1cyclictest0-21swapper/522:59:085
27557029998,1cyclictest0-21swapper/521:54:395
27557029998,1cyclictest0-21swapper/519:55:085
27557029994,4cyclictest3480550-21munin-run00:29:275
27557049986,2cyclictest86-21ksoftirqd/623:56:406
27557049986,2cyclictest86-21ksoftirqd/622:16:326
27557049986,2cyclictest86-21ksoftirqd/622:02:286
27557049986,2cyclictest86-21ksoftirqd/621:34:176
27557049985,2cyclictest2876965-21tune2fs20:09:436
27557029987,1cyclictest0-21swapper/523:57:195
27557029987,1cyclictest0-21swapper/523:45:105
27557029987,1cyclictest0-21swapper/521:53:425
27557029986,1cyclictest0-21swapper/519:59:425
27557029986,1cyclictest0-21swapper/519:34:495
27557029983,4cyclictest2871141-21cut20:04:475
27557049976,1cyclictest0-21swapper/620:41:506
27557049975,2cyclictest86-21ksoftirqd/623:24:566
27557049975,2cyclictest86-21ksoftirqd/623:24:566
27557029976,1cyclictest0-21swapper/520:32:405
27557029976,1cyclictest0-21swapper/500:16:145
27557029975,2cyclictest2797945-21kworker/u16:2+flush-8:020:44:545
27557029975,1cyclictest0-21swapper/523:14:285
27557029962,3cyclictest2944163-21date20:44:285
27557029962,2cyclictest0-21swapper/523:42:165
27557029962,2cyclictest0-21swapper/520:26:515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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