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2026-07-13 - 05:59
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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 Mon Jul 13, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196152225949,7sleep50-21swapper/519:06:205
196146325723,29sleep70-21swapper/719:05:337
1962058994942,6cyclictest648-21systemd-journal00:39:347
196175024818,7sleep40-21swapper/419:09:314
1962054994037,2cyclictest2189499-21kworker/u16:3+flush-8:023:39:356
1962048993937,2cyclictest2189499-21kworker/u16:3+events_unbound22:58:224
1962048993936,2cyclictest2439583-21kworker/u16:5+events_unbound00:19:364
196205899380,36cyclictest2308797-21latency_hist21:54:357
1962048993735,2cyclictest2674489-21kworker/u16:2+events_unbound00:30:054
1962048993735,2cyclictest2528035-21kworker/u16:0+events_unbound23:51:024
1962048993735,2cyclictest2189499-21kworker/u16:3+events_unbound22:21:024
1962048993735,2cyclictest2189499-21kworker/u16:3+events_unbound21:23:504
1962048993735,2cyclictest2189499-21kworker/u16:3+events_unbound21:23:504
1962048993634,2cyclictest2528035-21kworker/u16:0+events_unbound23:31:144
1962048993634,2cyclictest2528035-21kworker/u16:0+events_unbound00:18:534
1962048993634,2cyclictest2503722-21kworker/u16:2+events_unbound23:16:504
1962048993634,2cyclictest2331066-21kworker/u16:2+events_unbound22:43:424
1962048993634,2cyclictest2331066-21kworker/u16:2+events_unbound22:11:104
1962048993634,2cyclictest2279575-21kworker/u16:1+events_unbound22:02:594
1962048993634,2cyclictest2279575-21kworker/u16:1+events_unbound22:02:594
1962048993634,2cyclictest2189499-21kworker/u16:3+events_unbound23:21:334
1962048993634,2cyclictest2189499-21kworker/u16:3+events_unbound23:02:014
1962048993634,2cyclictest2189499-21kworker/u16:3+events_unbound22:48:024
1962048993634,2cyclictest2189499-21kworker/u16:3+events_unbound22:38:264
1962048993634,2cyclictest2189499-21kworker/u16:3+events_unbound21:38:104
1962048993634,2cyclictest2140821-21kworker/u16:1+events_unbound21:14:104
1962048993634,2cyclictest2062548-21kworker/u16:4+events_unbound21:15:594
1962048993533,2cyclictest2439583-21kworker/u16:5+events_unbound23:39:144
1962048993533,2cyclictest2439583-21kworker/u16:5+events_unbound23:12:424
1962048993533,2cyclictest2279575-21kworker/u16:1+events_unbound21:55:514
1962048993533,2cyclictest2189499-21kworker/u16:3+events_unbound23:58:534
1962048993533,2cyclictest2189499-21kworker/u16:3+events_unbound21:46:504
1962048993533,2cyclictest2189499-21kworker/u16:3+events_unbound00:11:294
1962048993533,2cyclictest2189499-21kworker/u16:3+events_unbound00:07:134
1962048993533,2cyclictest2189499-21kworker/u16:3+events_unbound00:07:134
1962048993432,2cyclictest2528035-21kworker/u16:0+events_unbound23:46:014
1962048993432,2cyclictest2439583-21kworker/u16:5+events_unbound23:40:134
1962048993432,2cyclictest2331066-21kworker/u16:2+events_unbound22:32:054
1962048993432,2cyclictest2189499-21kworker/u16:3+events_unbound21:52:094
1962048993432,2cyclictest2189499-21kworker/u16:3+events_unbound21:25:544
196173223424,7sleep60-21swapper/619:09:176
1962058993327,5cyclictest2131077-21latency_hist20:34:357
1962048993331,2cyclictest2279575-21kworker/u16:1+events_unbound22:05:304
1962048993231,1cyclictest2345805-21kworker/u16:0+events_unbound22:25:424
1962048993230,2cyclictest2528035-21kworker/u16:0+events_unbound00:26:424
1962048993230,2cyclictest2439583-21kworker/u16:5+events_unbound23:06:214
1962048993230,2cyclictest2331066-21kworker/u16:2+events_unbound22:15:104
1962048993230,2cyclictest2189499-21kworker/u16:3+events_unbound22:52:104
1962048993230,2cyclictest2189499-21kworker/u16:3+events_unbound21:33:414
1962048993230,2cyclictest2189499-21kworker/u16:3+events_unbound00:02:104
1962048993229,2cyclictest1888092-21kworker/u16:3+events_unbound19:59:374
1962058993125,5cyclictest2381959-21latency_hist22:24:357
1962048993129,2cyclictest2674489-21kworker/u16:2+events_unbound00:36:534
1962048993129,2cyclictest2439583-21kworker/u16:5+events_unbound23:25:494
1962048993129,2cyclictest2439583-21kworker/u16:5+events_unbound23:25:494
1962048993129,2cyclictest2279575-21kworker/u16:1+events_unbound21:40:334
1962048993128,2cyclictest2014551-21kworker/u16:4+events_unbound19:34:384
1962048993028,2cyclictest2062548-21kworker/u16:4+events_unbound20:47:104
1962058992724,2cyclictest2601348-21ssh23:54:377
1962058992722,4cyclictest2406206-21latency_hist22:34:347
1962048992725,2cyclictest2043860-21kworker/u16:0+events_unbound19:50:064
1962048992725,2cyclictest2043860-21kworker/u16:0+events_unbound19:50:064
1962048992623,2cyclictest1695752-21kworker/u16:2+events_unbound20:19:464
1962058992520,4cyclictest648-21systemd-journal21:19:297
196205899250,23cyclictest2674067-21latency_hist00:24:357
1962054992523,2cyclictest2140821-21kworker/u16:1+flush-8:021:19:356
1962052992524,1cyclictest2528035-21kworker/u16:0+events_unbound00:01:455
1962048992523,2cyclictest1961802-21kworker/u16:0+events_unbound19:12:354
26596102240,1chrt2659608-21ssh00:15:207
1962048992422,2cyclictest2140821-21kworker/u16:1+events_unbound20:50:454
1962048992422,2cyclictest2043860-21kworker/u16:0+events_unbound20:32:464
1962048992421,2cyclictest2083526-21kworker/u16:3+events_unbound20:39:384
1962048992321,2cyclictest1932760-21kworker/u16:1+events_unbound19:45:464
1962048992320,2cyclictest2083526-21kworker/u16:3+events_unbound20:34:434
1962058992221,0cyclictest0-21swapper/723:09:307
1962058992221,0cyclictest0-21swapper/722:11:457
1962058992217,4cyclictest2235718-21latency_hist21:24:357
1962058992217,4cyclictest2235718-21latency_hist21:24:357
1962054992220,2cyclictest2439583-21kworker/u16:5+flush-8:000:00:066
1962048992220,2cyclictest2140821-21kworker/u16:1+events_unbound20:54:574
1962048992219,2cyclictest1932760-21kworker/u16:1+events_unbound19:19:374
1962058992120,0cyclictest0-21swapper/719:09:417
1962048992119,2cyclictest1888092-21kworker/u16:3+events_unbound19:54:534
1962048992119,2cyclictest1695752-21kworker/u16:2+events_unbound20:07:104
1962054992016,3cyclictest2236139-21kworker/u16:2+flush-8:021:24:526
1962048992018,2cyclictest2062548-21kworker/u16:4+events_unbound20:18:464
1962048992018,2cyclictest1888092-21kworker/u16:3+events_unbound19:15:464
1962048992017,2cyclictest1932760-21kworker/u16:1+events_unbound19:39:484
1962058991918,0cyclictest0-21swapper/720:14:307
1962058991817,0cyclictest0-21swapper/722:27:587
1962058991816,1cyclictest0-21swapper/723:19:227
1962058991816,1cyclictest0-21swapper/723:03:507
1962058991716,0cyclictest0-21swapper/721:26:137
1962058991716,0cyclictest0-21swapper/700:32:187
1962058991715,1cyclictest0-21swapper/722:48:067
1962048991715,2cyclictest2083526-21kworker/u16:3+events_unbound20:25:054
1962058991615,0cyclictest0-21swapper/723:43:177
1962058991615,0cyclictest0-21swapper/723:09:387
1962058991615,0cyclictest0-21swapper/722:15:467
1962058991615,0cyclictest0-21swapper/721:59:347
196205899160,14cyclictest0-21swapper/720:14:597
196205899160,14cyclictest0-21swapper/719:44:587
196205899160,14cyclictest0-21swapper/719:34:597
1962048991614,2cyclictest2150750-21kworker/u16:2+events_unbound21:02:464
196205899159,5cyclictest2014334-21latency_hist19:34:367
1962058991514,0cyclictest0-21swapper/723:23:587
1962058991514,0cyclictest0-21swapper/719:59:587
1962058991513,1cyclictest0-21swapper/721:35:007
1962058991512,2cyclictest2549028-21ssh23:29:577
1962058991512,2cyclictest0-21swapper/722:39:557
1962054991514,1cyclictest0-21swapper/621:42:316
196205499150,1cyclictest0-21swapper/600:09:276
196205499150,1cyclictest0-21swapper/600:09:276
1962048991514,1cyclictest2062548-21kworker/u16:4+events_unbound20:11:384
1962048991513,2cyclictest1888092-21kworker/u16:3+events_unbound19:34:144
1962058991413,0cyclictest0-21swapper/722:53:387
1962058991413,0cyclictest0-21swapper/722:00:417
1962058991413,0cyclictest0-21swapper/722:00:417
1962058991413,0cyclictest0-21swapper/720:59:497
1962058991413,0cyclictest0-21swapper/700:11:067
1962058991413,0cyclictest0-21swapper/700:03:517
1962058991412,1cyclictest2293560-21ssh21:45:007
1962058991412,1cyclictest0-21swapper/720:34:527
1962058991410,3cyclictest2199221-21diskmemload22:04:537
1962058991410,3cyclictest1274-21snmpd20:56:187
196205499149,4cyclictest2565738-21cat23:39:506
1962054991413,1cyclictest0-21swapper/622:37:326
1962054991413,1cyclictest0-21swapper/622:25:336
1962054991413,1cyclictest0-21swapper/622:06:576
1962054991413,1cyclictest0-21swapper/621:45:406
1962054991413,1cyclictest0-21swapper/620:57:456
1962054991410,4cyclictest0-21swapper/622:43:326
1962054991410,4cyclictest0-21swapper/621:35:446
196205499140,1cyclictest0-21swapper/623:07:116
196205499140,1cyclictest0-21swapper/623:00:436
196205499140,1cyclictest0-21swapper/621:23:076
196205499140,1cyclictest0-21swapper/621:23:076
196205499140,14cyclictest0-21swapper/623:24:416
196205499140,14cyclictest0-21swapper/623:24:416
196205499140,14cyclictest0-21swapper/619:29:566
196205499140,14cyclictest0-21swapper/600:18:176
1962052991413,1cyclictest0-21swapper/522:39:205
1962052991413,1cyclictest0-21swapper/522:30:115
1962052991411,2cyclictest2183888-21cat20:59:515
196205299140,1cyclictest0-21swapper/522:03:425
196205299140,1cyclictest0-21swapper/522:03:425
196205299140,14cyclictest0-21swapper/523:23:475
196205299140,14cyclictest0-21swapper/522:47:135
1962048991412,2cyclictest2140821-21kworker/u16:1+events_unbound21:08:084
1962048991412,2cyclictest1888092-21kworker/u16:3+events_unbound19:27:184
196205899138,3cyclictest2577645-21ssh23:44:497
196205899132,10cyclictest1274-21snmpd20:06:057
1962058991312,0cyclictest0-21swapper/721:29:577
1962058991312,0cyclictest0-21swapper/721:04:577
1962058991312,0cyclictest0-21swapper/720:44:517
1962058991312,0cyclictest0-21swapper/720:23:457
1962058991311,1cyclictest2674536-21ssh00:24:447
1962058991311,1cyclictest2563462-21ssh23:37:447
1962058991311,1cyclictest2529017-21ssh23:24:497
1962058991311,1cyclictest2529017-21ssh23:24:497
1962058991311,1cyclictest2206636-21ssh21:09:577
1962058991311,1cyclictest0-21swapper/720:39:547
1962058991311,1cyclictest0-21swapper/719:19:497
1962058991311,1cyclictest0-21swapper/719:14:397
1962058991311,1cyclictest0-21swapper/700:04:447
1962058991311,1cyclictest0-21swapper/700:04:447
1962058991310,2cyclictest935-21NetworkManager20:24:487
1962058991310,2cyclictest2407497-21ssh22:34:517
1962054991312,1cyclictest0-21swapper/623:59:126
1962054991312,1cyclictest0-21swapper/623:30:126
1962054991312,1cyclictest0-21swapper/622:17:506
1962054991312,1cyclictest0-21swapper/621:56:046
1962054991310,2cyclictest0-21swapper/623:14:516
196205499130,13cyclictest0-21swapper/620:05:436
1962052991312,1cyclictest0-21swapper/523:40:025
1962052991312,1cyclictest0-21swapper/523:30:005
1962052991312,1cyclictest0-21swapper/523:16:515
1962052991312,1cyclictest0-21swapper/521:55:585
1962052991312,1cyclictest0-21swapper/521:41:575
1962052991312,1cyclictest0-21swapper/521:24:465
1962052991312,1cyclictest0-21swapper/519:30:465
1962052991312,1cyclictest0-21swapper/500:21:395
196205299130,13cyclictest0-21swapper/523:04:245
196205299130,13cyclictest0-21swapper/521:12:095
196205299130,13cyclictest0-21swapper/500:35:125
1962058991211,0cyclictest0-21swapper/722:54:407
1962058991211,0cyclictest0-21swapper/720:50:007
1962058991211,0cyclictest0-21swapper/719:49:497
1962058991211,0cyclictest0-21swapper/719:49:497
1962058991211,0cyclictest0-21swapper/719:24:517
1962058991210,1cyclictest2199221-21diskmemload21:39:487
1962058991210,1cyclictest0-21swapper/723:49:467
1962058991210,1cyclictest0-21swapper/719:54:557
196205499128,3cyclictest2083574-21cat20:09:526
196205499124,1cyclictest0-21swapper/619:19:566
196205499123,3cyclictest2458376-21cut22:54:536
1962054991211,1cyclictest0-21swapper/623:13:106
1962054991211,1cyclictest0-21swapper/622:52:216
1962054991211,1cyclictest0-21swapper/622:31:336
1962054991211,1cyclictest0-21swapper/622:03:206
1962054991211,1cyclictest0-21swapper/622:03:206
1962054991211,1cyclictest0-21swapper/621:05:566
1962054991211,1cyclictest0-21swapper/620:18:396
1962054991211,1cyclictest0-21swapper/619:45:236
1962054991211,1cyclictest0-21swapper/600:26:106
196205499120,0cyclictest0-21swapper/619:52:476
196205499120,0cyclictest0-21swapper/619:52:476
196205299129,2cyclictest2626632-21irqcore00:04:515
196205299129,2cyclictest2626632-21irqcore00:04:515
1962052991211,1cyclictest0-21swapper/522:55:345
1962052991211,1cyclictest0-21swapper/522:21:505
1962052991211,1cyclictest0-21swapper/521:45:065
1962052991211,1cyclictest0-21swapper/521:21:365
1962052991211,1cyclictest0-21swapper/521:21:365
1962052991211,1cyclictest0-21swapper/520:05:095
1962052991211,1cyclictest0-21swapper/500:11:525
196205299120,1cyclictest0-21swapper/520:31:575
196205299120,1cyclictest0-21swapper/519:46:135
196205299120,12cyclictest0-21swapper/520:47:335
196205299120,12cyclictest0-21swapper/520:18:045
196205299120,12cyclictest0-21swapper/519:19:355
196205899116,4cyclictest1959208-21gmain19:39:507
1962054991110,1cyclictest0-21swapper/622:10:066
1962054991110,1cyclictest0-21swapper/620:48:366
1962054991110,1cyclictest0-21swapper/620:33:286
196205499110,10cyclictest2109337-21kthreadcore20:19:566
1962052991110,1cyclictest0-21swapper/522:18:125
1962052991110,1cyclictest0-21swapper/522:10:295
1962052991110,1cyclictest0-21swapper/521:18:275
1962052991110,1cyclictest0-21swapper/520:51:395
1962052991110,1cyclictest0-21swapper/519:52:415
1962052991110,1cyclictest0-21swapper/519:52:415
196205299110,11cyclictest0-21swapper/520:56:135
196205299110,11cyclictest0-21swapper/520:11:365
196205499109,1cyclictest0-21swapper/621:10:026
196205499109,1cyclictest0-21swapper/620:53:106
196205499108,2cyclictest86-21ksoftirqd/621:29:496
196205499107,2cyclictest2180095-21/usr/sbin/munin20:59:456
196205499106,3cyclictest2577903-21cat23:44:506
196205499103,6cyclictest2298195-21irqcore21:49:526
196205499100,9cyclictest2642646-21kthreadcore00:09:556
196205499100,9cyclictest2148295-21kthreadcore20:39:576
196205499100,3cyclictest2699071-21cpuspeed_turbos00:34:476
196205499100,3cyclictest2019727-21kthreadcore19:34:556
196205499100,2cyclictest2032769-21ntpq19:39:596
196205499100,10cyclictest0-21swapper/622:22:206
196205299109,1cyclictest0-21swapper/523:35:185
196205299109,1cyclictest0-21swapper/523:09:555
196205299109,1cyclictest0-21swapper/522:26:245
196205299109,1cyclictest0-21swapper/521:52:215
196205299109,1cyclictest0-21swapper/520:42:595
196205299109,1cyclictest0-21swapper/520:24:525
196205299106,3cyclictest2334479-21cat22:04:505
19620549998,1cyclictest0-21swapper/619:15:256
19620549997,2cyclictest86-21ksoftirqd/623:19:516
19620549997,2cyclictest86-21ksoftirqd/619:59:476
19620549991,2cyclictest2688084-21kthreadcore00:29:536
19620549990,8cyclictest2434819-21kthreadcore22:44:536
19620549990,8cyclictest0-21swapper/619:54:496
19620549990,5cyclictest0-21swapper/600:19:416
19620549990,4cyclictest2589489-21cpuspeed_turbos23:49:466
19620529998,1cyclictest0-21swapper/523:29:185
19620529998,1cyclictest0-21swapper/523:29:185
19620529998,1cyclictest0-21swapper/521:08:315
19620529998,1cyclictest0-21swapper/520:38:535
19620549987,1cyclictest0-21swapper/620:24:386
19620549985,2cyclictest0-21swapper/619:24:546
19620549980,7cyclictest2131660-21grep20:34:486
19620549980,1cyclictest0-21swapper/619:09:486
19620529987,1cyclictest0-21swapper/521:34:415
19620529984,3cyclictest2055722-21kthreadcore19:54:555
19620529983,4cyclictest2675294-21cut00:24:495
19620529983,4cyclictest2659110-21cat00:15:035
19620529983,4cyclictest2590997-21cat23:49:515
19620529983,4cyclictest2583612-21cut23:44:555
19620529983,4cyclictest2251094-21grep21:29:535
19620529983,4cyclictest2104619-21cut20:19:535
19620529983,4cyclictest2063820-21grep19:59:475
19620529983,4cyclictest1986830-21kthreadcore19:19:535
19620529980,3cyclictest2015968-21kthreadcore19:34:525
19620529975,1cyclictest0-21swapper/523:54:495
19620529974,2cyclictest0-21swapper/500:29:535
19620529973,3cyclictest2482142-21kthreadcore23:04:535
19620529973,3cyclictest2444148-21sed22:49:515
19620529973,3cyclictest2024671-21expr19:39:485
19620529972,4cyclictest1995758-21expr19:24:485
19620529972,4cyclictest1962554-21expr19:09:495
19620529961,4cyclictest2419162-21cat22:39:475
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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