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2026-06-29 - 22:17
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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 Mon Jun 29, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30128352990,0sleep40-21swapper/411:39:344
240104925747,7sleep40-21swapper/407:08:424
240090825646,7sleep50-21swapper/507:06:425
240096825420,29sleep70-21swapper/707:07:327
2401398995244,7cyclictest2735362-21latency_hist09:49:117
2401392994341,2cyclictest3078167-21kworker/u16:1+flush-8:012:14:415
2401393994239,3cyclictest2662012-21kworker/u16:3+flush-8:009:59:116
2401392994240,2cyclictest2870163-21kworker/u16:1+events_unbound10:59:305
2401392994240,2cyclictest2793552-21kworker/u16:0+events_unbound10:54:415
2401392994038,2cyclictest3078167-21kworker/u16:1+events_unbound12:09:325
240139899370,35cyclictest124-21kswapd011:24:117
2401392993735,2cyclictest3115123-21kworker/u16:2+flush-8:012:25:125
2401392993735,2cyclictest2903409-21kworker/u16:3+events_unbound12:07:345
2401392993735,2cyclictest2808063-21kworker/u16:1+events_unbound10:19:145
2401392993735,2cyclictest2662012-21kworker/u16:3+events_unbound10:09:145
2401392993734,2cyclictest2710593-21kworker/u16:5+events_unbound09:54:125
2401392993734,2cyclictest2662012-21kworker/u16:3+events_unbound09:29:135
2401393993634,2cyclictest2662012-21kworker/u16:3+flush-8:010:14:326
2401393993633,2cyclictest2531042-21kworker/u16:1+flush-8:009:44:376
2401392993635,1cyclictest2843272-21kworker/u16:2+events_unbound10:30:345
2401392993634,2cyclictest2793552-21kworker/u16:0+flush-8:010:24:375
2401392993634,2cyclictest2531042-21kworker/u16:1+events_unbound10:00:385
2401392993533,2cyclictest3115123-21kworker/u16:2+events_unbound12:34:055
2401392993533,2cyclictest2903409-21kworker/u16:3+events_unbound11:28:295
2401392993533,2cyclictest2903409-21kworker/u16:3+events_unbound11:12:415
2401392993533,2cyclictest2903408-21kworker/u16:2+events_unbound11:39:455
2401392993533,2cyclictest2710593-21kworker/u16:5+events_unbound10:35:205
2401392993533,2cyclictest2662012-21kworker/u16:3+events_unbound09:50:215
2401392993533,2cyclictest2531042-21kworker/u16:1+events_unbound09:45:225
2401393993432,2cyclictest2793552-21kworker/u16:0+flush-8:010:19:426
2401392993432,2cyclictest3002261-21kworker/u16:4+events_unbound11:46:225
2401392993432,2cyclictest2953413-21kworker/u16:0+events_unbound11:21:175
2401392993432,2cyclictest2903409-21kworker/u16:3+events_unbound12:37:265
2401392993432,2cyclictest2903409-21kworker/u16:3+events_unbound12:37:265
2401392993432,2cyclictest2793552-21kworker/u16:0+events_unbound10:47:255
2401392993431,2cyclictest2953413-21kworker/u16:0+events_unbound11:17:335
2401392993431,2cyclictest2953413-21kworker/u16:0+events_unbound11:17:335
26401492330,0chrt0-21swapper/409:09:314
2401392993331,2cyclictest3002261-21kworker/u16:4+events_unbound11:35:125
2401392993331,2cyclictest2953413-21kworker/u16:0+events_unbound11:33:015
2401392993331,2cyclictest2793552-21kworker/u16:0+events_unbound10:41:535
2401392993331,2cyclictest2608504-21kworker/u16:0+events_unbound09:11:225
2401392993331,2cyclictest2531042-21kworker/u16:1+events_unbound09:40:215
2401392993230,2cyclictest2903409-21kworker/u16:3+flush-8:012:20:015
2401392993230,2cyclictest2903408-21kworker/u16:2+events_unbound11:51:135
2401392993230,2cyclictest2870163-21kworker/u16:1+events_unbound10:51:415
2401392993230,2cyclictest2808063-21kworker/u16:1+events_unbound10:17:545
2401392993230,2cyclictest2608504-21kworker/u16:0+flush-8:009:19:315
2401387993230,1cyclictest1683352-21kworker/u16:2+events_unbound07:14:264
240088223221,8sleep60-21swapper/607:06:196
2401398993126,4cyclictest2870122-21latency_hist10:44:117
2401393993128,3cyclictest2531042-21kworker/u16:1+flush-8:009:39:376
2401392993129,2cyclictest3041865-21kworker/u16:0+events_unbound11:57:175
2401392993129,2cyclictest3041865-21kworker/u16:0+events_unbound11:57:175
2401392993129,2cyclictest2662012-21kworker/u16:3+flush-8:009:34:405
2401392993129,2cyclictest2598811-21kworker/u16:2+events_unbound09:28:225
2401392993028,2cyclictest2662012-21kworker/u16:3+flush-8:010:04:495
2401398992928,0cyclictest0-21swapper/712:09:247
2401392992927,2cyclictest2919109-21kworker/u16:4+flush-8:011:04:315
2401392992927,2cyclictest2903409-21kworker/u16:3+events_unbound12:01:335
2401392992927,2cyclictest2598811-21kworker/u16:2+events_unbound09:17:295
27832302280,1chrt2783231-21sh10:07:057
2401398992722,4cyclictest2472664-21latency_hist07:44:117
2401393992725,2cyclictest2559774-21kworker/u16:3+events_unbound08:34:416
2401392992624,2cyclictest2463026-21kworker/u16:0+events_unbound07:53:215
2401393992523,2cyclictest2903408-21kworker/u16:2+flush-8:011:19:116
2401393992523,2cyclictest2903408-21kworker/u16:2+flush-8:011:19:116
2401393992521,3cyclictest2903408-21kworker/u16:2+flush-8:011:54:116
2401392992523,2cyclictest2531042-21kworker/u16:1+events_unbound08:26:215
2401392992523,2cyclictest2482453-21kworker/u16:2+events_unbound08:37:215
2401398992419,4cyclictest2661585-21latency_hist09:19:117
2401398992318,4cyclictest650-21systemd-journal11:39:067
240139899230,21cyclictest2686232-21latency_hist09:29:117
2401392992321,2cyclictest2463026-21kworker/u16:0+events_unbound08:01:225
2401392992320,2cyclictest2401097-21kworker/u16:1+events_unbound07:29:215
28554102220,1sleep72855408-21grep10:34:467
2401392992220,2cyclictest2531042-21kworker/u16:1+events_unbound08:47:215
2401392992220,2cyclictest2401097-21kworker/u16:1+flush-8:007:19:075
2401393992119,2cyclictest2317258-21kworker/u16:3+flush-8:007:44:366
2401393992119,2cyclictest2317258-21kworker/u16:3+flush-8:007:44:366
2401392992119,2cyclictest2463026-21kworker/u16:0+events_unbound08:31:225
2401392992119,2cyclictest2317258-21kworker/u16:3+events_unbound07:44:415
2401392992119,2cyclictest2317258-21kworker/u16:3+events_unbound07:44:415
2401393992018,2cyclictest2903409-21kworker/u16:3+flush-8:011:14:066
2401392992018,2cyclictest2463026-21kworker/u16:0+events_unbound08:12:225
2401392992018,2cyclictest2317258-21kworker/u16:3+events_unbound08:08:225
28022962190,0sleep72802298-21kthreadcore10:14:347
2401387991918,1cyclictest2903409-21kworker/u16:3+events_unbound12:38:414
2401387991918,1cyclictest2903409-21kworker/u16:3+events_unbound12:38:414
2401398991815,2cyclictest2649446-21idleruntime-cro09:14:117
2401398991813,4cyclictest2759859-21latency_hist09:59:117
2401398991813,4cyclictest2747572-21latency_hist09:54:117
240139399180,1cyclictest0-21swapper/609:10:276
2401392991816,2cyclictest2482453-21kworker/u16:2+events_unbound08:21:225
2401393991715,2cyclictest2401097-21kworker/u16:1+flush-8:007:24:126
2401393991715,2cyclictest2317258-21kworker/u16:3+events_unbound08:04:246
2401392991716,1cyclictest2578725-21kworker/u16:4+events_unbound09:05:535
2401398991612,3cyclictest1278-21snmpd09:08:277
2401393991614,2cyclictest2710593-21kworker/u16:5+flush-8:010:34:296
2401392991614,2cyclictest2444038-21kworker/u16:2+events_unbound07:35:225
2401387991615,1cyclictest2598811-21kworker/u16:2+events_unbound09:32:304
240139899159,5cyclictest3127047-21latency_hist12:29:107
2401398991512,2cyclictest1278-21snmpd08:19:467
2401393991513,2cyclictest2482453-21kworker/u16:2+flush-8:008:24:066
240139399150,1cyclictest0-21swapper/612:18:046
240139399150,14cyclictest0-21swapper/607:29:246
2401392991513,2cyclictest2463026-21kworker/u16:0+events_unbound08:16:095
2401392991513,2cyclictest2401097-21kworker/u16:1+flush-8:007:09:425
2401387991513,2cyclictest2793552-21kworker/u16:0+flush-8:010:25:064
2401387991512,2cyclictest2463026-21kworker/u16:0+flush-8:008:19:164
2401387991511,3cyclictest2512544-21ps08:04:274
240139899149,4cyclictest3053679-21latency_hist11:59:117
240139899149,4cyclictest3053679-21latency_hist11:59:117
240139899148,5cyclictest6527-21gmain08:39:257
240139899148,5cyclictest3016943-21latency_hist11:44:117
240139899147,5cyclictest2772177-21latency_hist10:04:117
2401398991413,0cyclictest0-21swapper/711:16:217
2401398991413,0cyclictest0-21swapper/711:16:217
2401398991412,1cyclictest0-21swapper/711:24:367
2401398991411,2cyclictest911-21dbus-daemon09:24:117
2401398991411,2cyclictest1278-21snmpd12:17:057
2401393991413,1cyclictest0-21swapper/612:10:406
2401393991413,1cyclictest0-21swapper/611:58:316
2401393991413,1cyclictest0-21swapper/611:58:316
2401393991413,1cyclictest0-21swapper/611:41:396
2401393991410,3cyclictest6037-21JS09:15:016
2401393991410,3cyclictest2578725-21kworker/u16:4+flush-8:008:59:376
240139399140,1cyclictest0-21swapper/611:45:356
240139399140,1cyclictest0-21swapper/609:21:496
2401387991413,1cyclictest0-21swapper/412:21:264
2401387991413,1cyclictest0-21swapper/411:24:504
2401387991413,1cyclictest0-21swapper/410:05:044
240138799140,1cyclictest0-21swapper/410:53:004
240138799140,1cyclictest0-21swapper/410:44:294
240138799140,14cyclictest0-21swapper/412:11:404
240138799140,14cyclictest0-21swapper/409:55:174
240138799140,0cyclictest0-21swapper/411:05:274
240139899139,3cyclictest1278-21snmpd12:33:427
240139899139,3cyclictest1278-21snmpd11:30:407
240139899139,3cyclictest1278-21snmpd10:59:277
240139899139,3cyclictest1278-21snmpd10:13:267
240139899139,3cyclictest1278-21snmpd09:00:567
240139899139,3cyclictest1278-21snmpd08:45:357
240139899139,3cyclictest1278-21snmpd08:01:467
240139899137,5cyclictest6341-21gvfs-afc-volume07:14:407
2401398991310,2cyclictest1278-21snmpd08:26:197
240139899130,11cyclictest1278-21snmpd08:10:137
2401393991312,1cyclictest0-21swapper/612:05:466
2401393991312,1cyclictest0-21swapper/610:25:306
2401393991312,1cyclictest0-21swapper/609:53:026
2401393991310,2cyclictest2903409-21kworker/u16:3+flush-8:011:04:286
240139399130,13cyclictest0-21swapper/612:32:536
240139399130,13cyclictest0-21swapper/612:02:096
2401392991311,2cyclictest2578725-21kworker/u16:4+events_unbound08:40:375
2401392991310,2cyclictest2531042-21kworker/u16:1+flush-8:008:59:125
2401387991312,1cyclictest0-21swapper/412:33:444
2401387991312,1cyclictest0-21swapper/411:44:144
2401387991312,1cyclictest0-21swapper/411:37:464
2401387991312,1cyclictest0-21swapper/411:17:074
2401387991312,1cyclictest0-21swapper/411:17:074
2401387991312,1cyclictest0-21swapper/411:11:554
240138799130,13cyclictest0-21swapper/411:31:184
240138799130,13cyclictest0-21swapper/411:22:194
240138799130,13cyclictest0-21swapper/410:21:564
240138799130,13cyclictest0-21swapper/409:01:224
240139899129,2cyclictest1278-21snmpd12:08:387
240139899128,3cyclictest6247-21gmain10:55:407
240139899128,3cyclictest1278-21snmpd10:45:087
240139899128,3cyclictest1278-21snmpd10:32:057
240139899128,3cyclictest1278-21snmpd09:39:467
240139899128,3cyclictest1278-21snmpd09:36:437
240139899128,3cyclictest1278-21snmpd08:06:167
240139899128,3cyclictest1278-21snmpd07:44:497
240139899128,3cyclictest1278-21snmpd07:44:497
240139899128,3cyclictest1278-21snmpd07:33:097
240139899128,3cyclictest1278-21snmpd07:21:367
240139899127,4cyclictest6341-21gvfs-afc-volume08:54:267
240139899127,4cyclictest3065892-21latency_hist12:04:117
240139899127,4cyclictest2883449-21tune2fs10:49:267
240139899126,5cyclictest6341-21gvfs-afc-volume08:29:237
240139899123,8cyclictest6527-21gmain07:49:337
2401398991210,1cyclictest0-21swapper/711:44:397
240139399129,2cyclictest2612258-21grep08:54:316
240139399128,3cyclictest2464177-21cat07:39:276
240139399127,4cyclictest2407064-21cut07:09:316
2401393991211,1cyclictest0-21swapper/610:31:116
2401393991211,1cyclictest0-21swapper/609:16:086
2401393991211,1cyclictest0-21swapper/608:51:136
2401393991211,1cyclictest0-21swapper/608:17:296
2401393991211,1cyclictest0-21swapper/607:24:406
2401393991210,2cyclictest2444038-21kworker/u16:2+flush-8:007:34:266
240139399120,1cyclictest0-21swapper/607:53:416
2401392991210,2cyclictest2401097-21kworker/u16:1+events_unbound07:29:115
2401387991211,1cyclictest0-21swapper/412:28:514
2401387991211,1cyclictest0-21swapper/412:15:174
2401387991211,1cyclictest0-21swapper/411:57:104
2401387991211,1cyclictest0-21swapper/411:57:104
2401387991211,1cyclictest0-21swapper/410:40:134
2401387991211,1cyclictest0-21swapper/408:49:334
2401387991211,1cyclictest0-21swapper/408:24:484
240138799120,5cyclictest0-21swapper/407:59:264
240139899118,2cyclictest1278-21snmpd10:24:147
240139899118,2cyclictest1278-21snmpd09:29:397
240139899118,2cyclictest1278-21snmpd08:14:467
240139899118,2cyclictest0-21swapper/708:39:117
240139899117,3cyclictest5937-21gmain07:54:377
240139899117,3cyclictest1278-21snmpd07:24:157
240139899116,5cyclictest1179-21containerd12:19:417
240139899116,4cyclictest2932634-21cat11:09:277
240139899116,4cyclictest1278-21snmpd12:34:367
240139899116,4cyclictest1278-21snmpd12:34:367
240139899110,10cyclictest2920375-21cat11:04:277
240139899110,10cyclictest1278-21snmpd08:52:387
240139399119,2cyclictest2608504-21kworker/u16:0+events_unbound09:04:296
240139399119,2cyclictest2598811-21kworker/u16:2+flush-8:009:29:296
2401393991110,1cyclictest0-21swapper/611:37:436
2401393991110,1cyclictest0-21swapper/611:32:306
240139399110,1cyclictest0-21swapper/608:11:396
240139299119,2cyclictest2578725-21kworker/u16:4+events_unbound08:54:315
240139299119,2cyclictest2317258-21kworker/u16:3+events_unbound07:57:535
240139299119,2cyclictest2317258-21kworker/u16:3+events_unbound07:23:545
240138799118,2cyclictest1683352-21kworker/u16:2+flush-8:007:09:374
240138799116,4cyclictest2454499-21cat07:34:274
2401387991110,1cyclictest0-21swapper/412:06:474
2401387991110,1cyclictest0-21swapper/411:59:314
2401387991110,1cyclictest0-21swapper/410:34:334
2401387991110,1cyclictest0-21swapper/409:49:374
2401387991110,1cyclictest0-21swapper/409:24:144
2401387991110,1cyclictest0-21swapper/409:19:064
2401387991110,1cyclictest0-21swapper/408:42:184
2401387991110,1cyclictest0-21swapper/408:17:334
2401387991110,1cyclictest0-21swapper/407:46:204
2401387991110,1cyclictest0-21swapper/407:46:204
2401387991110,1cyclictest0-21swapper/407:29:464
240139899106,3cyclictest1278-21snmpd07:36:097
240139899106,3cyclictest1278-21snmpd07:10:457
240139899104,4cyclictest3030697-21irqcore11:49:277
240139399109,1cyclictest0-21swapper/612:35:156
240139399109,1cyclictest0-21swapper/612:35:156
240139399109,1cyclictest0-21swapper/611:27:186
240139399109,1cyclictest0-21swapper/608:39:246
240139399109,1cyclictest0-21swapper/608:27:446
240139399108,2cyclictest86-21ksoftirqd/612:28:106
240139399108,2cyclictest86-21ksoftirqd/610:59:316
240139399108,2cyclictest86-21ksoftirqd/610:39:116
240139399108,2cyclictest86-21ksoftirqd/610:13:146
240139399108,2cyclictest86-21ksoftirqd/610:03:526
240139399108,2cyclictest86-21ksoftirqd/609:25:246
240139399108,2cyclictest3078167-21kworker/u16:1+flush-8:012:19:336
240139399108,2cyclictest2903409-21kworker/u16:3+flush-8:010:59:116
240139399108,2cyclictest2559774-21kworker/u16:3+events_unbound08:29:236
240139399100,9cyclictest2493047-21fschecks_time07:54:266
240138799109,1cyclictest0-21swapper/409:45:224
240138799109,1cyclictest0-21swapper/407:58:284
240138799109,1cyclictest0-21swapper/407:49:194
240138799108,2cyclictest2662012-21kworker/u16:3+flush-8:010:10:054
2835844290,0sleep40-21swapper/410:29:304
24013989994,4cyclictest2812964-21grep10:19:337
24013939997,2cyclictest86-21ksoftirqd/610:50:536
24013939997,2cyclictest86-21ksoftirqd/610:44:386
24013939997,2cyclictest86-21ksoftirqd/610:09:016
24013939990,2cyclictest2505290-21kthreadcore07:59:296
24013929996,2cyclictest2600053-21tail08:49:265
24013879998,1cyclictest0-21swapper/411:49:264
24013879998,1cyclictest0-21swapper/408:37:534
24013879998,1cyclictest0-21swapper/408:10:174
24013879998,1cyclictest0-21swapper/407:43:204
24013939986,2cyclictest86-21ksoftirqd/609:34:506
24013939986,1cyclictest0-21swapper/608:44:296
24013939980,7cyclictest0-21swapper/607:14:326
24013929986,2cyclictest2463026-21kworker/u16:0+events_unbound07:40:455
24013879987,1cyclictest0-21swapper/410:16:164
24013879987,1cyclictest0-21swapper/408:48:084
24013879986,1cyclictest0-21swapper/407:19:334
24013879983,4cyclictest2609763-21cut08:54:294
2667329270,1sleep40-21swapper/409:19:334
24013879976,1cyclictest0-21swapper/409:39:414
24013879975,1cyclictest0-21swapper/409:04:264
24013879973,3cyclictest2560227-21grep08:29:224
24013879972,2cyclictest0-21swapper/409:35:534
24013879970,1cyclictest0-21swapper/410:59:064
24013879960,3cyclictest0-21swapper/409:59:264
24013879960,1cyclictest0-21swapper/411:01:444
24013879960,1cyclictest0-21swapper/407:27:594
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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