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2026-06-28 - 10:50
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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 Sun Jun 28, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25470132560,1sleep72547012-21cat19:49:177
246502124434,7sleep40-21swapper/419:07:174
246507824232,7sleep50-21swapper/519:08:065
2465454994035,4cyclictest3118896-21latency_hist23:59:167
24648712404,31sleep70-21swapper/719:05:117
2465444993735,2cyclictest3045666-21kworker/u16:4+events_unbound00:11:034
2465444993735,2cyclictest2748309-21kworker/u16:0+events_unbound22:03:374
2465444993735,2cyclictest2748309-21kworker/u16:0+events_unbound22:03:374
2465444993634,2cyclictest3167018-21kworker/u16:0+events_unbound00:21:204
2465444993634,2cyclictest3045666-21kworker/u16:4+events_unbound00:03:214
2465444993634,2cyclictest2859344-21kworker/u16:5+events_unbound23:25:194
2465444993634,2cyclictest2859344-21kworker/u16:5+events_unbound23:25:194
2465444993634,2cyclictest2859344-21kworker/u16:5+events_unbound23:05:364
2465444993634,2cyclictest2849551-21kworker/u16:4+events_unbound22:54:124
246488023625,8sleep60-21swapper/619:05:186
2465453993533,2cyclictest2751615-21kworker/u16:2+events_unbound21:34:326
2465444993534,1cyclictest2859344-21kworker/u16:5+events_unbound22:56:554
2465444993533,2cyclictest2935676-21kworker/u16:1+events_unbound00:31:364
2465444993533,2cyclictest2886356-21kworker/u16:0+events_unbound22:30:364
2465444993533,2cyclictest2859344-21kworker/u16:5+events_unbound23:02:054
29580582340,0chrt2958057-21ssh22:50:597
2465453993432,2cyclictest3045666-21kworker/u16:4+events_unbound23:39:316
2465444993432,2cyclictest3045666-21kworker/u16:4+events_unbound00:09:054
2465444993432,2cyclictest3045666-21kworker/u16:4+events_unbound00:09:054
2465444993432,2cyclictest2993451-21kworker/u16:0+events_unbound23:54:124
2465444993432,2cyclictest2935676-21kworker/u16:1+events_unbound23:17:204
2465444993432,2cyclictest2935676-21kworker/u16:1+events_unbound00:27:414
2465444993432,2cyclictest2849551-21kworker/u16:4+events_unbound22:36:124
2465444993432,2cyclictest2751615-21kworker/u16:2+events_unbound21:40:534
2465444993331,2cyclictest3045666-21kworker/u16:4+events_unbound23:47:374
2465444993331,2cyclictest2751615-21kworker/u16:2+events_unbound21:50:204
2465444993331,2cyclictest2751615-21kworker/u16:2+events_unbound21:32:374
2465444993230,2cyclictest2993451-21kworker/u16:0+events_unbound23:41:524
2465444993230,2cyclictest2993451-21kworker/u16:0+events_unbound23:21:284
2465444993230,2cyclictest2859344-21kworker/u16:5+events_unbound23:30:124
2465444993230,2cyclictest2849551-21kworker/u16:4+events_unbound22:43:374
2465444993230,2cyclictest2825085-21kworker/u16:3+events_unbound22:23:004
2465444993230,2cyclictest2825085-21kworker/u16:3+events_unbound22:17:364
2465444993230,2cyclictest2701504-21kworker/u16:4+events_unbound21:26:284
2465444993230,2cyclictest2692848-21kworker/u16:3+flush-8:021:09:404
2465444993230,2cyclictest2692848-21kworker/u16:3+events_unbound21:14:564
2465444993129,2cyclictest3167019-21kworker/u16:3+events_unbound00:35:114
2465444993129,2cyclictest2993451-21kworker/u16:0+events_unbound23:37:414
2465444993129,2cyclictest2859344-21kworker/u16:5+events_unbound22:27:574
2465444993129,2cyclictest2825085-21kworker/u16:3+events_unbound22:05:054
2465444993129,2cyclictest2751615-21kworker/u16:2+flush-8:021:37:094
2465444993129,2cyclictest2614989-21kworker/u16:1+events_unbound21:56:414
2465453993028,2cyclictest3045666-21kworker/u16:4+flush-8:023:49:176
2465444993028,2cyclictest2859344-21kworker/u16:5+events_unbound22:48:564
2465453992927,2cyclictest2849551-21kworker/u16:4+flush-8:022:54:176
2465444992927,2cyclictest3167018-21kworker/u16:0+events_unbound00:18:564
2465444992927,2cyclictest2935676-21kworker/u16:1+events_unbound23:10:244
2465444992927,2cyclictest2614989-21kworker/u16:1+events_unbound22:11:014
2465444992926,3cyclictest2614989-21kworker/u16:1+flush-8:021:04:434
246545499280,26cyclictest2910837-21latency_hist22:34:177
2465453992725,2cyclictest2993451-21kworker/u16:0+events_unbound23:19:316
2465444992725,2cyclictest2751615-21kworker/u16:2+events_unbound21:46:204
2465444992725,2cyclictest2692848-21kworker/u16:3+events_unbound21:22:044
30687122250,1chrt3068710-21ssh23:36:437
2465454992423,0cyclictest0-21swapper/719:39:327
2465444992422,2cyclictest2614989-21kworker/u16:1+flush-8:020:32:284
2465444992422,2cyclictest2498365-21kworker/u16:0+events_unbound20:06:284
2465454992322,0cyclictest0-21swapper/720:24:317
2465444992321,2cyclictest2614989-21kworker/u16:1+events_unbound20:55:334
2465454992221,0cyclictest0-21swapper/700:24:327
2465453992220,2cyclictest3119333-21kworker/u16:3+events_unbound00:04:476
2465453992220,2cyclictest3119333-21kworker/u16:3+events_unbound00:04:476
2465453992219,3cyclictest2380824-21kworker/u16:3+flush-8:020:39:326
2465444992119,2cyclictest2380824-21kworker/u16:3+events_unbound20:24:404
2465454992019,0cyclictest0-21swapper/721:34:487
2465454992012,7cyclictest0-21swapper/720:04:337
2465453992018,2cyclictest2498365-21kworker/u16:0+flush-8:019:24:456
2465453992015,4cyclictest2875392-21cat22:19:326
2465444992018,2cyclictest2469403-21kworker/u16:2+events_unbound19:18:294
246545499190,17cyclictest2874110-21latency_hist22:19:177
2465446991917,2cyclictest2859344-21kworker/u16:5+flush-8:022:20:155
2465444991917,2cyclictest2498365-21kworker/u16:0+events_unbound19:24:484
2465444991917,2cyclictest2380824-21kworker/u16:3+events_unbound20:12:294
246545499189,8cyclictest0-21swapper/719:24:337
2465454991812,5cyclictest2595500-21latency_hist20:14:187
2465453991816,2cyclictest2701504-21kworker/u16:4+flush-8:021:14:376
2465444991816,2cyclictest2380824-21kworker/u16:3+flush-8:020:39:384
2465444991816,2cyclictest2380824-21kworker/u16:3+flush-8:019:42:284
2465444991815,2cyclictest2498365-21kworker/u16:0+flush-8:019:29:434
2465454991713,3cyclictest3155564-21latency_hist00:14:177
2465454991713,3cyclictest1278-21snmpd20:24:067
246545499170,16cyclictest0-21swapper/720:54:407
2465444991715,2cyclictest2614989-21kworker/u16:1+flush-8:020:44:514
2465444991715,2cyclictest2380824-21kworker/u16:3+flush-8:019:59:324
2465444991714,2cyclictest2653569-21kworker/u16:0+events_unbound20:59:244
2465454991613,2cyclictest1102-21ntpd23:19:427
2465454991613,1cyclictest3167858-21awk00:19:177
2465453991614,2cyclictest3045666-21kworker/u16:4+events_unbound00:09:336
2465453991614,2cyclictest2653569-21kworker/u16:0+events_unbound20:54:326
2465453991613,2cyclictest2469403-21kworker/u16:2+events_unbound19:14:196
2465453991613,1cyclictest0-21swapper/623:38:566
2465453991612,3cyclictest2547068-21kworker/u16:1+flush-8:019:59:486
2465444991614,2cyclictest2469403-21kworker/u16:2+events_unbound19:49:124
2465444991614,2cyclictest2380824-21kworker/u16:3+events_unbound19:55:294
246545499159,5cyclictest650-21systemd-journal20:44:177
246545499159,5cyclictest3021069-21latency_hist23:19:177
246545499159,5cyclictest2726994-21latency_hist21:19:177
2465454991514,0cyclictest0-21swapper/722:37:227
2465453991513,2cyclictest2469403-21kworker/u16:2+flush-8:019:09:486
2465453991512,2cyclictest2742635-21kthreadcore21:24:376
246545399150,15cyclictest0-21swapper/622:56:426
2465446991514,1cyclictest0-21swapper/500:04:475
2465446991514,1cyclictest0-21swapper/500:04:475
246544699150,14cyclictest0-21swapper/519:09:395
2465444991513,2cyclictest3045666-21kworker/u16:4+events_unbound23:55:424
2465444991513,2cyclictest2380824-21kworker/u16:3+flush-8:020:19:424
246545499149,4cyclictest1278-21snmpd22:04:387
2465454991413,0cyclictest0-21swapper/722:44:527
2465454991412,1cyclictest0-21swapper/719:54:427
2465454991411,2cyclictest2732948-21kthreadcore21:19:387
2465454991410,3cyclictest1069-21runrttasks22:54:277
246545499140,1cyclictest0-21swapper/722:19:427
246545499140,1cyclictest0-21swapper/719:59:397
246545499140,12cyclictest2702433-21diskmemload23:09:297
2465453991413,1cyclictest0-21swapper/622:48:296
2465453991412,2cyclictest2631328-21kworker/u16:4+flush-8:020:29:436
2465453991412,2cyclictest2614989-21kworker/u16:1+events_unbound21:49:126
2465453991412,2cyclictest2547068-21kworker/u16:1+flush-8:019:54:176
2465453991412,2cyclictest2498365-21kworker/u16:0+flush-8:020:04:426
246545399140,14cyclictest0-21swapper/623:58:296
246545399140,14cyclictest0-21swapper/622:28:376
246544699140,1cyclictest0-21swapper/521:55:215
246544699140,1cyclictest0-21swapper/521:19:435
31045062130,1chrt0-21swapper/523:50:195
246545499139,3cyclictest1278-21snmpd20:33:517
2465454991313,0cyclictest0-21swapper/722:43:127
246545499131,10cyclictest0-21swapper/700:04:427
246545499131,10cyclictest0-21swapper/700:04:427
2465454991310,2cyclictest0-21swapper/719:19:187
246545499130,3cyclictest2996085-21ssh23:08:237
246545499130,3cyclictest2897769-21ssh22:27:447
246545499130,12cyclictest1278-21snmpd00:19:207
2465453991312,1cyclictest0-21swapper/622:29:536
2465453991312,1cyclictest0-21swapper/622:18:136
2465453991312,1cyclictest0-21swapper/622:06:426
2465453991312,1cyclictest0-21swapper/621:51:256
2465453991312,1cyclictest0-21swapper/621:19:256
2465453991312,1cyclictest0-21swapper/600:38:036
2465453991312,1cyclictest0-21swapper/600:15:406
2465453991311,2cyclictest3033439-21kworker/u16:2+flush-8:023:24:346
2465453991311,2cyclictest3033439-21kworker/u16:2+flush-8:023:24:346
2465453991311,2cyclictest2748309-21kworker/u16:0+flush-8:021:59:346
2465453991311,2cyclictest2748309-21kworker/u16:0+flush-8:021:59:346
246545399130,1cyclictest0-21swapper/621:29:496
246545399130,13cyclictest0-21swapper/623:54:046
246545399130,13cyclictest0-21swapper/623:03:096
246545399130,13cyclictest0-21swapper/619:34:346
2465446991312,1cyclictest0-21swapper/523:22:515
2465446991312,1cyclictest0-21swapper/520:59:325
246544699130,13cyclictest0-21swapper/519:44:395
246544699130,13cyclictest0-21swapper/500:13:465
246544499130,13cyclictest0-21swapper/420:38:284
246545499129,2cyclictest1278-21snmpd23:32:017
246545499129,2cyclictest1278-21snmpd22:01:177
246545499129,2cyclictest1278-21snmpd22:01:177
246545499129,2cyclictest1278-21snmpd21:39:407
246545499129,2cyclictest1278-21snmpd19:35:527
246545499128,3cyclictest1278-21snmpd21:12:317
246545499128,3cyclictest1278-21snmpd21:06:077
246545499128,3cyclictest1278-21snmpd20:50:067
246545499128,3cyclictest1278-21snmpd20:45:367
246545499128,3cyclictest1278-21snmpd20:34:247
246545499128,3cyclictest1278-21snmpd20:17:447
246545499128,3cyclictest1278-21snmpd00:30:037
246545499128,3cyclictest1278-21snmpd00:01:057
246545499127,3cyclictest1278-21snmpd19:29:407
246545499125,6cyclictest6341-21gvfs-afc-volume23:39:417
246545499120,2cyclictest3210760-21ssh00:34:367
246545499120,2cyclictest2748339-21ssh21:24:437
246545399129,2cyclictest0-21swapper/620:49:306
2465453991211,1cyclictest0-21swapper/600:26:526
2465453991210,2cyclictest2653569-21kworker/u16:0+flush-8:020:59:486
2465453991210,2cyclictest2498365-21kworker/u16:0+events_unbound20:19:336
246544699124,7cyclictest0-21swapper/521:09:315
2465446991211,1cyclictest0-21swapper/522:13:475
2465446991211,1cyclictest0-21swapper/522:07:105
2465446991211,1cyclictest0-21swapper/521:47:285
2465446991211,1cyclictest0-21swapper/521:38:195
2465446991211,1cyclictest0-21swapper/521:33:075
2465446991211,1cyclictest0-21swapper/500:38:225
2465446991211,1cyclictest0-21swapper/500:31:075
2465446991211,1cyclictest0-21swapper/500:28:165
246544699121,10cyclictest2527840-21/usr/sbin/munin19:39:455
246544699120,1cyclictest0-21swapper/519:30:465
2465444991210,2cyclictest2469403-21kworker/u16:2+flush-8:019:19:454
2465444991210,2cyclictest2469403-21kworker/u16:2+flush-8:019:13:274
246545499119,1cyclictest0-21swapper/722:09:447
246545499118,2cyclictest2488596-21idleruntime-cro19:19:187
246545499118,2cyclictest1278-21snmpd21:30:527
246545499116,4cyclictest6341-21gvfs-afc-volume21:49:507
246545499116,4cyclictest6341-21gvfs-afc-volume19:09:377
2465454991111,0cyclictest0-21swapper/722:59:237
246545499110,3cyclictest2552348-21kthreadcore19:49:367
246545499110,2cyclictest2824889-21ssh21:59:127
246545499110,2cyclictest2798956-21ssh21:46:347
246545499110,10cyclictest3092420-21ssh23:45:317
246545399119,2cyclictest2935676-21kworker/u16:1+events_unbound23:04:326
246545399119,2cyclictest2692848-21kworker/u16:3+events_unbound21:09:316
246545399112,8cyclictest2851019-21irqcore22:09:336
2465453991110,1cyclictest0-21swapper/621:07:456
2465453991110,1cyclictest0-21swapper/620:48:506
2465453991110,1cyclictest0-21swapper/600:01:196
246545399110,11cyclictest0-21swapper/620:36:326
246545399110,11cyclictest0-21swapper/620:27:046
246545399110,10cyclictest3177581-21grep00:19:466
2465446991110,1cyclictest0-21swapper/523:58:475
2465446991110,1cyclictest0-21swapper/523:25:415
2465446991110,1cyclictest0-21swapper/523:25:415
2465446991110,1cyclictest0-21swapper/522:59:595
2465446991110,1cyclictest0-21swapper/521:39:355
2465446991110,1cyclictest0-21swapper/521:14:215
246544699110,11cyclictest0-21swapper/520:56:515
246544699110,11cyclictest0-21swapper/520:01:315
246544699110,11cyclictest0-21swapper/519:39:085
246544499110,11cyclictest0-21swapper/419:38:054
246545499106,3cyclictest1278-21snmpd23:53:507
246545499104,5cyclictest6341-21gvfs-afc-volume23:24:227
246545499104,5cyclictest6341-21gvfs-afc-volume23:24:227
246545499100,9cyclictest1278-21snmpd21:00:067
246545399109,1cyclictest0-21swapper/623:33:256
246545399109,1cyclictest0-21swapper/623:09:566
246545399107,2cyclictest2492398-21cut19:19:366
246545399100,3cyclictest3012430-21kthreadcore23:14:346
246545399100,3cyclictest2784832-21latency21:39:396
246545399100,3cyclictest2532841-21kthreadcore19:39:386
246545399100,2cyclictest2912746-21kthreadcore22:34:346
246544699109,1cyclictest0-21swapper/522:24:215
246544699109,1cyclictest0-21swapper/522:15:035
246544699109,1cyclictest0-21swapper/520:09:525
246544699109,1cyclictest0-21swapper/519:55:515
246544699109,1cyclictest0-21swapper/500:01:475
246544499109,1cyclictest0-21swapper/420:50:364
246544499109,1cyclictest0-21swapper/419:53:134
24654539995,3cyclictest2557128-21cpuspeed_turbos19:54:306
24654539990,8cyclictest3195598-21kthreadcore00:29:366
24654539990,8cyclictest2814032-21ps21:54:336
24654539990,2cyclictest2923928-21cstates22:39:296
24654539990,2cyclictest2602516-21grep20:14:376
24654539990,2cyclictest2540634-21cat19:44:356
24654539990,2cyclictest2515397-21cut19:29:366
24654469998,1cyclictest2605804-21cpuspeed_turbos20:19:305
24654469998,1cyclictest0-21swapper/522:55:535
24654469998,1cyclictest0-21swapper/522:51:475
24654469998,1cyclictest0-21swapper/522:00:335
24654469998,1cyclictest0-21swapper/522:00:335
24654469998,1cyclictest0-21swapper/521:27:455
24654469998,1cyclictest0-21swapper/520:25:105
24654469998,1cyclictest0-21swapper/500:16:365
24654469995,3cyclictest5942-21JS09:15:015
24654469994,5cyclictest0-21swapper/523:34:335
24654469994,4cyclictest2945076-21awk22:44:465
24654449997,2cyclictest2498365-21kworker/u16:0+flush-8:020:14:394
24654539986,1cyclictest0-21swapper/620:09:346
24654469987,1cyclictest0-21swapper/523:29:565
24654469987,1cyclictest0-21swapper/500:22:265
24654469985,2cyclictest0-21swapper/522:29:325
24654469985,2cyclictest0-21swapper/521:04:365
24654469984,3cyclictest2555292-21cat19:49:385
24654469984,3cyclictest2506998-21sed19:24:415
24654469984,3cyclictest0-21swapper/523:14:365
24654469983,4cyclictest3082962-21tr23:44:305
24654469983,4cyclictest2930826-21cut22:39:385
24654469983,4cyclictest2625875-21awk20:29:345
24654469983,4cyclictest2491878-21cut19:19:365
24654469983,4cyclictest2482835-21cut19:14:365
24654469981,4cyclictest2807760-21cut21:49:385
24654469975,1cyclictest0-21swapper/523:39:325
24654469975,1cyclictest0-21swapper/520:49:285
24654469975,1cyclictest0-21swapper/520:14:335
24654469975,1cyclictest0-21swapper/520:04:355
24654469973,3cyclictest2986695-21grep23:04:345
24654469973,3cyclictest2912087-21hddtemp_smartct22:34:315
24654469972,4cyclictest2998239-21irqcore23:09:335
24654469972,4cyclictest2654333-21cat20:44:295
24654469970,6cyclictest0-21swapper/520:34:335
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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