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2026-03-12 - 22:46
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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 100 highest latencies:
System rackeslot3.osadl.org (updated Thu Mar 12, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
280398299680,4cyclictest2889240-21fschecks_time10:05:121
2803982996639,25cyclictest2805373-21kworker/1:207:35:121
2803982996536,27cyclictest2888810-21kworker/1:010:20:401
2803982996437,26cyclictest2641011-1kworker/1:2H08:10:131
2803982996244,16cyclictest2935515-21kworker/1:311:00:121
2803982996236,25cyclictest2974267-21kworker/1:012:05:141
2803982996142,17cyclictest2840469-21kworker/1:309:10:141
2803982996134,25cyclictest2641011-1kworker/1:2H08:45:151
2803982996043,15cyclictest2875143-21kworker/1:009:55:271
2803982996043,15cyclictest2805373-21kworker/1:207:45:131
2803982996040,18cyclictest3002009-21kworker/1:012:30:131
2803982996040,17cyclictest2951939-21kworker/1:211:30:131
2803982996038,20cyclictest2974267-21kworker/1:011:55:171
2803982996032,26cyclictest2908074-21kworker/1:210:40:131
280398299594,52cyclictest0-21swapper/109:45:131
2803982995943,15cyclictest2879525-21kworker/1:210:00:011
2803982995943,15cyclictest2866240-21kworker/1:109:40:131
2803982995943,15cyclictest2819787-21kworker/1:208:27:261
2803982995943,15cyclictest2819787-21kworker/1:208:00:121
2803982995943,15cyclictest2816712-21kworker/1:007:55:281
2803982995943,15cyclictest2805373-21kworker/1:207:30:091
2803982995940,18cyclictest2819787-21kworker/1:208:35:131
2803982995940,17cyclictest2974267-21kworker/1:012:00:121
2803982995843,14cyclictest2819787-21kworker/1:208:40:141
2803982995843,14cyclictest2805373-21kworker/1:207:15:131
2803982995842,15cyclictest2960263-21kworker/1:311:50:171
2803982995842,15cyclictest2888810-21kworker/1:010:10:011
2803982995841,16cyclictest2857461-21kworker/1:009:30:011
2803982995841,16cyclictest2857461-21kworker/1:009:30:011
2803982995841,16cyclictest2819787-21kworker/1:208:20:201
2803982995841,15cyclictest2943143-21kworker/1:111:15:151
2803982995837,18cyclictest3002009-21kworker/1:012:35:131
2803982995836,20cyclictest2935515-21kworker/1:311:05:141
2803982995741,15cyclictest2888810-21kworker/1:010:30:471
2803982995741,15cyclictest2875143-21kworker/1:009:50:361
2803982995741,15cyclictest2857461-21kworker/1:009:35:151
2803982995741,15cyclictest2835793-21kworker/1:109:15:121
2803982995740,16cyclictest2805373-21kworker/1:207:25:141
2803982995739,17cyclictest2641011-1kworker/1:2H10:25:131
280398299571,54cyclictest329-21jbd2/mmcblk0p2-07:40:321
2803991995651,3cyclictest2805377-21kworker/3:207:24:543
2803982995652,2cyclictest2836405-21fschecks_count08:50:131
2803982995641,14cyclictest2969895-21kworker/1:111:40:531
2803982995640,15cyclictest3002009-21kworker/1:012:25:141
2803982995640,15cyclictest2960263-21kworker/1:311:45:201
2803982995640,15cyclictest2935515-21kworker/1:311:10:201
2803982995640,15cyclictest2921447-21kworker/1:110:46:571
2803982995640,15cyclictest2835793-21kworker/1:109:00:331
2803982995640,15cyclictest2805373-21kworker/1:207:20:281
2803982995640,15cyclictest2803796-21kworker/1:007:10:001
2803982995638,17cyclictest2951939-21kworker/1:211:25:141
2803991995551,2cyclictest2805377-21kworker/3:208:29:253
2803982995539,15cyclictest2992051-21kworker/1:212:15:581
2803982995539,15cyclictest2835793-21kworker/1:108:57:571
2803982995539,15cyclictest2819787-21kworker/1:208:15:271
2803982995539,15cyclictest2819787-21kworker/1:208:05:141
2803982995539,15cyclictest2641011-1kworker/1:2H09:20:321
2803978995551,2cyclictest2808972-21kworker/0:007:53:560
2803991995449,3cyclictest40564-1kworker/3:2H11:34:563
2803991995449,3cyclictest2850592-21kworker/3:211:17:363
2803982995438,15cyclictest3002009-21kworker/1:012:23:271
2803982995438,15cyclictest2974267-21kworker/1:012:10:131
2803982995438,15cyclictest2960263-21kworker/1:311:35:141
2803982995438,15cyclictest2930251-21kworker/1:210:55:131
2803982995438,15cyclictest2925853-21kworker/1:010:51:261
2803987995348,3cyclictest1135279-1kworker/2:1H11:22:262
2803982995337,15cyclictest2948823-21kworker/1:011:20:141
2803982995337,15cyclictest2819787-21kworker/1:208:30:011
2803982995336,16cyclictest2908074-21kworker/1:210:40:001
2803982995336,16cyclictest2888810-21kworker/1:010:15:271
2803978995350,2cyclictest2865955-21kworker/0:209:41:510
2803991995248,3cyclictest2966258-21kworker/3:211:42:253
2803991995247,3cyclictest40564-1kworker/3:2H12:32:503
2803982995223,27cyclictest2817962-21switchtime07:50:181
2803978995249,2cyclictest2826262-21kworker/0:208:23:510
2803978995248,3cyclictest2803792-21kworker/0:107:25:250
2803978995247,3cyclictest2494205-1kworker/0:2H10:25:130
2803991995147,3cyclictest40564-1kworker/3:2H11:54:253
2803991995146,3cyclictest40564-1kworker/3:2H11:30:003
2803991995146,3cyclictest2850592-21kworker/3:210:23:563
2803987995146,3cyclictest1135279-1kworker/2:1H10:17:262
2803987995145,4cyclictest1135279-1kworker/2:1H10:11:262
280398299519,40cyclictest0-21swapper/109:28:451
2803978995148,2cyclictest2943141-21kworker/0:211:13:260
2803978995147,2cyclictest2803792-21kworker/0:107:17:370
2803991995047,2cyclictest2850592-21kworker/3:209:32:263
2803991995047,2cyclictest2850592-21kworker/3:209:32:263
2803991995046,2cyclictest2805377-21kworker/3:207:49:263
2803991995045,3cyclictest40564-1kworker/3:2H10:50:163
2803991995044,4cyclictest40564-1kworker/3:2H08:50:123
2803987995046,3cyclictest1135279-1kworker/2:1H09:26:072
2803987995045,3cyclictest1135279-1kworker/2:1H12:15:332
2803987995044,4cyclictest1135279-1kworker/2:1H11:05:252
2803978995047,2cyclictest2865955-21kworker/0:210:09:510
2803978995047,2cyclictest2841965-21kworker/0:009:11:040
2803978995046,3cyclictest2943141-21kworker/0:211:37:000
2803978995046,2cyclictest2943141-21kworker/0:212:05:310
2803978995045,3cyclictest2845548-21kworker/0:109:38:570
2803978995045,3cyclictest2494205-1kworker/0:2H09:25:160
2803991994945,3cyclictest40564-1kworker/3:2H09:26:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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