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2025-12-21 - 10:34
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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 Sun Dec 21, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6726542960,1sleep7672655-21kthreadcore19:54:457
57929025015,30sleep70-21swapper/719:05:507
579827994946,2cyclictest602816-21kworker/u16:1+flush-8:019:19:264
626589460,39rtkit-daemon0-21swapper/519:06:055
57925023828,7sleep60-21swapper/619:05:176
57927823423,8sleep40-21swapper/419:05:394
579827993128,2cyclictest708086-21kworker/u16:2+flush-8:020:34:254
579827993027,2cyclictest806272-21kworker/u16:1+flush-8:023:44:204
579838992825,2cyclictest834386-21ntpq21:14:547
579833992724,2cyclictest787230-21kworker/u16:2+events_unbound23:14:406
579827992624,2cyclictest1135372-21kworker/u16:3+flush-8:000:09:514
579838992524,0cyclictest0-21swapper/719:14:547
579833992523,2cyclictest748989-21kworker/u16:1+events_unbound20:39:206
579833992523,2cyclictest748989-21kworker/u16:1+events_unbound20:39:206
579833992422,2cyclictest669592-21kworker/u16:5+flush-8:021:04:216
579833992422,2cyclictest669592-21kworker/u16:5+events_unbound20:29:436
6646992230,1chrt0-21swapper/519:49:465
579838992220,1cyclictest1116354-21idleruntime-cro23:44:247
579833992220,2cyclictest806272-21kworker/u16:1+flush-8:022:09:206
9641532210,1chrt964156-21kthreadcore22:24:447
579838992120,0cyclictest0-21swapper/721:39:497
579838992118,2cyclictest839119-21grep21:19:457
579838992115,5cyclictest815889-21latency_hist21:09:257
579833992119,2cyclictest806272-21kworker/u16:1+flush-8:022:49:196
579833992119,2cyclictest787230-21kworker/u16:2+flush-8:022:39:206
579833992119,2cyclictest748989-21kworker/u16:1+events_unbound20:49:206
579833992118,2cyclictest661809-21kworker/u16:3+flush-8:019:59:366
579827992119,2cyclictest1066916-21kworker/u16:5+flush-8:023:54:564
579827992118,3cyclictest787230-21kworker/u16:2+flush-8:022:44:524
579833992018,2cyclictest922896-21kworker/u16:5+events_unbound22:19:436
579833992018,2cyclictest1066916-21kworker/u16:5+flush-8:023:29:206
579827992016,3cyclictest979035-21kworker/u16:0+flush-8:022:39:564
9105452190,1chrt910548-21kthreadcore21:54:477
579833991917,2cyclictest787230-21kworker/u16:2+events_unbound20:54:486
579833991917,2cyclictest1145774-21kworker/u16:0+events_unbound23:59:376
579833991917,2cyclictest1019802-21kworker/u16:3+events_unbound22:59:436
579827991917,2cyclictest661809-21kworker/u16:3+flush-8:020:09:524
10744782190,1chrt1074474-21kthreadcore23:19:497
7641912180,0sleep60-21swapper/620:39:476
579838991818,0cyclictest0-21swapper/721:33:437
579838991814,3cyclictest1267-21snmpd22:04:307
579838991812,5cyclictest1000054-21latency_hist22:44:257
579833991816,2cyclictest979035-21kworker/u16:0+flush-8:022:34:206
579833991816,2cyclictest806272-21kworker/u16:1+events_unbound21:22:376
579833991816,2cyclictest787230-21kworker/u16:2+flush-8:022:44:206
579833991816,2cyclictest650909-21kworker/u16:1+events_unbound19:54:486
579833991816,2cyclictest1184188-21kworker/u16:5+events_unbound00:24:436
579827991816,2cyclictest661809-21kworker/u16:3+flush-8:019:54:514
57983899172,13cyclictest884900-21hddtemp_smartct21:44:407
579838991716,0cyclictest0-21swapper/720:55:357
579838991716,0cyclictest0-21swapper/700:17:357
579838991713,3cyclictest1267-21snmpd23:32:477
579838991713,3cyclictest1267-21snmpd20:24:097
57983899170,15cyclictest758901-21cat20:39:417
579833991715,2cyclictest979035-21kworker/u16:0+flush-8:023:31:356
579833991715,2cyclictest806272-21kworker/u16:1+flush-8:000:21:356
579833991715,2cyclictest806272-21kworker/u16:1+events_unbound22:10:286
579833991715,2cyclictest806272-21kworker/u16:1+events_unbound22:10:286
579833991715,2cyclictest748989-21kworker/u16:1+flush-8:020:49:486
579833991715,2cyclictest602923-21kworker/u16:4+events_unbound19:39:206
579829991711,2cyclictest0-21swapper/519:14:285
57982799173,14cyclictest0-21swapper/419:50:204
579827991715,2cyclictest708086-21kworker/u16:2+flush-8:020:24:584
579827991715,2cyclictest669592-21kworker/u16:5+flush-8:021:39:414
579838991615,0cyclictest0-21swapper/723:51:037
579838991615,0cyclictest0-21swapper/721:53:287
579838991615,0cyclictest0-21swapper/719:41:567
579838991612,3cyclictest797660-21grep20:59:417
579838991612,3cyclictest1267-21snmpd20:02:187
579838991610,5cyclictest951701-21latency_hist22:19:257
57983899160,14cyclictest980722-21latency_hist22:34:257
579833991614,2cyclictest787230-21kworker/u16:2+events_unbound22:56:356
579829991613,3cyclictest0-21swapper/522:04:255
57982999160,15cyclictest0-21swapper/500:24:435
579827991614,2cyclictest1019802-21kworker/u16:3+flush-8:023:34:514
579838991515,0cyclictest0-21swapper/722:57:477
579838991514,0cyclictest0-21swapper/723:48:347
579838991514,0cyclictest0-21swapper/721:13:597
579838991511,3cyclictest669642-21ntpq19:49:537
57983899151,12cyclictest990050-21users22:34:577
57983899151,12cyclictest1001252-21iostat22:44:427
57983899150,13cyclictest757392-21users20:34:587
57983899150,13cyclictest757392-21users20:34:587
579833991514,1cyclictest869652-21kworker/u16:0+events_unbound21:44:486
579833991513,2cyclictest602923-21kworker/u16:4+events_unbound19:49:416
579833991513,2cyclictest602923-21kworker/u16:4+events_unbound19:25:006
579833991513,2cyclictest1066916-21kworker/u16:5+flush-8:023:57:326
579827991513,2cyclictest869652-21kworker/u16:0+flush-8:021:49:514
579827991513,2cyclictest806272-21kworker/u16:1+events_unbound00:24:244
57982799150,15cyclictest0-21swapper/421:44:434
57983899144,8cyclictest936369-21cut22:09:467
57983899144,8cyclictest936369-21cut22:09:467
57983899143,9cyclictest864883-21grep21:34:387
57983899143,4cyclictest1051259-21grep23:09:437
579838991413,0cyclictest0-21swapper/723:24:307
579838991413,0cyclictest0-21swapper/720:15:137
57983899141,11cyclictest651656-21grep19:44:387
57983899141,11cyclictest651656-21grep19:44:387
579833991412,2cyclictest922896-21kworker/u16:5+flush-8:022:14:556
579833991412,2cyclictest806272-21kworker/u16:1+events_unbound23:50:226
579833991412,2cyclictest787230-21kworker/u16:2+events_unbound21:43:366
579833991412,2cyclictest669592-21kworker/u16:5+events_unbound21:07:266
579833991412,2cyclictest650909-21kworker/u16:1+events_unbound20:04:386
579833991412,2cyclictest602923-21kworker/u16:4+events_unbound19:44:256
579833991412,2cyclictest531371-21kworker/u16:2+events_unbound19:11:296
579833991412,2cyclictest1213369-21kworker/u16:1+flush-8:000:34:416
579833991412,2cyclictest1213369-21kworker/u16:1+flush-8:000:34:416
57982999140,1cyclictest0-21swapper/521:55:445
57982999140,1cyclictest0-21swapper/520:31:525
57982999140,14cyclictest0-21swapper/521:28:285
57982799140,14cyclictest0-21swapper/419:10:204
57983899138,4cyclictest952873-21cat22:19:417
57983899138,4cyclictest1204752-21hddtemp_smartct00:29:407
57983899133,2cyclictest740023-21kthreadcore20:29:447
57983899132,9cyclictest768597-21iostat20:44:427
57983899132,9cyclictest1202493-21memory00:24:507
57983899130,12cyclictest1164123-21switchtime00:04:567
57983899130,11cyclictest623396-21cat19:29:437
579833991312,1cyclictest0-21swapper/623:39:506
579833991311,2cyclictest902966-21kworker/u16:4+events_unbound22:01:286
579833991311,2cyclictest869652-21kworker/u16:0+flush-8:021:49:436
579833991311,2cyclictest806272-21kworker/u16:1+events_unbound23:19:356
579833991311,2cyclictest787230-21kworker/u16:2+events_unbound22:51:366
579833991311,2cyclictest669592-21kworker/u16:5+events_unbound21:34:406
579833991311,2cyclictest650909-21kworker/u16:1+events_unbound20:21:376
579833991311,2cyclictest614187-21kworker/u16:2+events_unbound19:44:396
579833991311,2cyclictest614187-21kworker/u16:2+events_unbound19:44:396
579833991311,2cyclictest579242-21kworker/u16:0+events_unbound19:34:176
579833991311,2cyclictest579242-21kworker/u16:0+events_unbound19:14:566
579829991312,1cyclictest0-21swapper/520:49:225
579829991312,1cyclictest0-21swapper/519:44:445
579829991312,1cyclictest0-21swapper/519:44:445
579829991312,1cyclictest0-21swapper/519:09:535
579829991310,2cyclictest787230-21kworker/u16:2+flush-8:021:19:365
57982999130,1cyclictest0-21swapper/523:36:195
57982999130,1cyclictest0-21swapper/521:40:175
57982999130,13cyclictest0-21swapper/523:30:395
57982999130,13cyclictest0-21swapper/522:25:425
579827991312,1cyclictest0-21swapper/420:54:454
579827991311,2cyclictest669592-21kworker/u16:5+flush-8:020:19:454
57982799130,13cyclictest0-21swapper/422:14:504
57982799130,13cyclictest0-21swapper/421:17:364
57982799130,13cyclictest0-21swapper/420:35:404
57982799130,13cyclictest0-21swapper/420:35:404
57983899129,2cyclictest1267-21snmpd23:07:287
57983899129,2cyclictest1192790-21memory00:19:487
57983899129,2cyclictest0-21swapper/720:04:437
57983899128,3cyclictest700057-21/usr/sbin/munin20:09:437
57983899128,3cyclictest632967-21perl19:34:427
57983899128,3cyclictest612953-21/usr/sbin/munin19:24:587
57983899128,3cyclictest1213724-21/usr/sbin/munin00:34:527
57983899128,3cyclictest1213724-21/usr/sbin/munin00:34:527
57983899127,4cyclictest778306-21cat20:49:407
57983899127,4cyclictest1059345-21cat23:14:417
57983899121,2cyclictest921374-21memory21:59:487
57983899121,2cyclictest1144428-21ntpq23:54:507
579838991212,0cyclictest0-21swapper/700:04:147
57983899120,5cyclictest1016532-21cut22:49:487
57983899120,3cyclictest611789-21smart_sda19:19:557
57983899120,2cyclictest853957-21cat21:24:587
57983899120,10cyclictest729379-21expr20:24:427
579833991210,2cyclictest979035-21kworker/u16:0+events_unbound23:04:326
579833991210,2cyclictest806272-21kworker/u16:1+events_unbound23:37:366
579833991210,2cyclictest806272-21kworker/u16:1+events_unbound21:29:576
579833991210,2cyclictest787230-21kworker/u16:2+events_unbound22:26:376
579833991210,2cyclictest661809-21kworker/u16:3+events_unbound20:10:016
579833991210,2cyclictest602923-21kworker/u16:4+flush-8:019:20:096
579833991210,2cyclictest1135372-21kworker/u16:3+events_unbound00:09:446
579833991210,2cyclictest1066916-21kworker/u16:5+events_unbound23:44:596
57983399120,1cyclictest0-21swapper/623:14:186
579829991211,1cyclictest0-21swapper/522:38:095
579829991211,1cyclictest0-21swapper/522:23:585
579829991211,1cyclictest0-21swapper/521:50:325
579829991211,1cyclictest0-21swapper/520:37:235
579829991211,1cyclictest0-21swapper/520:37:235
579829991211,1cyclictest0-21swapper/519:42:505
579829991211,1cyclictest0-21swapper/519:38:165
579829991210,2cyclictest0-21swapper/523:49:245
579829991210,2cyclictest0-21swapper/522:45:155
579829991210,2cyclictest0-21swapper/522:39:535
579829991210,2cyclictest0-21swapper/520:25:435
57982999120,12cyclictest0-21swapper/523:17:055
57982999120,12cyclictest0-21swapper/523:03:415
57982999120,12cyclictest0-21swapper/521:13:485
579827991211,1cyclictest0-21swapper/422:56:374
579827991211,1cyclictest0-21swapper/422:34:424
57982799120,1cyclictest0-21swapper/400:25:034
57982799120,12cyclictest0-21swapper/422:32:584
8202502110,0sleep60-21swapper/621:09:436
57983899117,3cyclictest1267-21snmpd23:34:357
57983899117,3cyclictest1267-21snmpd19:09:407
57983899110,9cyclictest1165284-21cpuspeed00:09:377
57983899110,3cyclictest1030311-21iostat22:59:437
57983399119,2cyclictest806272-21kworker/u16:1+events_unbound21:25:006
57983399119,2cyclictest1184188-21kworker/u16:5+flush-8:000:29:376
57983399119,2cyclictest1135372-21kworker/u16:3+events_unbound00:14:496
57983399118,2cyclictest708086-21kworker/u16:2+events_unbound20:24:276
57982999119,2cyclictest0-21swapper/523:22:555
579829991110,1cyclictest0-21swapper/523:56:595
579829991110,1cyclictest0-21swapper/523:24:495
579829991110,1cyclictest0-21swapper/523:07:285
579829991110,1cyclictest0-21swapper/522:50:365
579829991110,1cyclictest0-21swapper/522:14:585
579829991110,1cyclictest0-21swapper/522:06:095
579829991110,1cyclictest0-21swapper/521:33:315
579829991110,1cyclictest0-21swapper/521:05:085
579829991110,1cyclictest0-21swapper/520:59:465
579829991110,1cyclictest0-21swapper/519:28:395
579829991110,1cyclictest0-21swapper/519:23:555
579829991110,1cyclictest0-21swapper/500:32:555
57982999110,4cyclictest689912-21chrt20:03:245
57982799117,4cyclictest806272-21kworker/u16:1+flush-8:000:14:424
579827991110,1cyclictest0-21swapper/422:52:594
579827991110,1cyclictest0-21swapper/421:32:354
579827991110,1cyclictest0-21swapper/419:34:214
579827991110,1cyclictest0-21swapper/400:37:314
579827991110,1cyclictest0-21swapper/400:37:314
57982799110,11cyclictest0-21swapper/422:05:514
57982799110,11cyclictest0-21swapper/421:02:004
57982799110,11cyclictest0-21swapper/420:15:204
57982799110,11cyclictest0-21swapper/400:06:184
57982799110,11cyclictest0-21swapper/400:02:314
57982799110,0cyclictest0-21swapper/423:33:594
57983399109,1cyclictest806272-21kworker/u16:1+flush-8:000:04:456
57983399108,2cyclictest669592-21kworker/u16:5+events_unbound20:15:376
57982999109,1cyclictest0-21swapper/523:11:155
57982999109,1cyclictest0-21swapper/522:13:145
57982999109,1cyclictest0-21swapper/522:13:145
57982999108,2cyclictest0-21swapper/500:22:405
57982999102,1cyclictest0-21swapper/520:08:225
57982999100,4cyclictest796484-21taskset20:58:455
57982999100,4cyclictest709151-21chrt20:12:055
57982999100,4cyclictest631658-21chrt19:31:195
57982799109,1cyclictest0-21swapper/423:51:004
57982799109,1cyclictest0-21swapper/423:47:134
57982799109,1cyclictest0-21swapper/422:29:204
57982799109,1cyclictest0-21swapper/422:00:294
57982799109,1cyclictest0-21swapper/419:47:354
57982799109,1cyclictest0-21swapper/419:47:354
57982799109,1cyclictest0-21swapper/419:26:564
57982799103,4cyclictest5750-21gmain22:20:404
57982799100,0cyclictest0-21swapper/421:25:484
5798339997,2cyclictest902966-21kworker/u16:4+flush-8:021:57:446
5798339997,2cyclictest669592-21kworker/u16:5+events_unbound21:18:016
5798299991,7cyclictest0-21swapper/520:54:255
5798299990,4cyclictest980410-21chrt22:30:115
5798299990,4cyclictest893219-21chrt21:46:365
5798299990,4cyclictest835142-21chrt21:17:285
5798299990,4cyclictest767149-21chrt20:41:065
5798299990,4cyclictest1174369-21chrt00:12:195
5798299990,4cyclictest1164723-21chrt00:07:545
5798299990,4cyclictest1154803-21chrt00:00:095
5798299990,4cyclictest1028902-21chrt22:56:395
5798299990,3cyclictest1126364-21chrt23:49:355
5798279998,1cyclictest0-21swapper/423:10:104
5798279998,1cyclictest0-21swapper/422:11:124
5798279998,1cyclictest0-21swapper/422:11:124
5798279998,1cyclictest0-21swapper/421:22:304
5798279998,1cyclictest0-21swapper/420:05:244
5798279998,1cyclictest0-21swapper/419:36:424
5798299980,4cyclictest873738-21taskset21:35:065
5798299980,4cyclictest719452-21chrt20:19:355
5798299980,4cyclictest718874-21chrt20:16:545
5798299980,4cyclictest1116032-21taskset23:40:225
5798299980,3cyclictest680216-21taskset19:58:115
5798299980,3cyclictest1222644-21taskset00:34:545
5798299980,3cyclictest1222644-21taskset00:34:545
5798299980,3cyclictest1184005-21chrt00:16:515
5798279987,1cyclictest0-21swapper/423:02:274
5798279987,1cyclictest0-21swapper/421:58:454
5798279987,1cyclictest0-21swapper/420:53:014
5798279987,1cyclictest0-21swapper/419:22:034
5798279985,2cyclictest979035-21kworker/u16:0+flush-8:023:04:564
5798279976,1cyclictest0-21swapper/423:18:034
5798279973,2cyclictest0-21swapper/420:00:144
5798279965,1cyclictest0-21swapper/419:43:394
5798279965,1cyclictest0-21swapper/400:31:124
5798279962,2cyclictest0-21swapper/421:08:084
5798279960,1cyclictest0-21swapper/421:36:164
5798279960,1cyclictest0-21swapper/420:48:244
5798279953,1cyclictest10682592sleep423:19:384
5798279950,4cyclictest816278-21taskset21:09:334
5798279950,4cyclictest758122-21taskset20:39:374
5798279950,4cyclictest1077978-21taskset23:24:264
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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