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2026-04-28 - 23:10
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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 Tue Apr 28, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2937238997153,16cyclictest2940657-21kworker/1:107:20:161
2937238997138,32cyclictest3002904-21kworker/1:009:55:121
293723899630,62cyclictest0-21swapper/108:18:581
2937238996260,1cyclictest0-21swapper/110:41:521
2937238996144,16cyclictest3000422-1kworker/1:0H12:20:191
2937238996144,15cyclictest43868-1kworker/1:1H09:00:141
2937238996142,18cyclictest3117760-21kworker/1:112:04:551
2937238996133,27cyclictest3087464-21kworker/1:111:35:161
2937238996041,17cyclictest43868-1kworker/1:1H07:13:461
2937238995944,14cyclictest3103019-21kworker/1:211:45:141
2937238995944,14cyclictest3082917-21kworker/1:211:24:551
2937238995944,14cyclictest3076446-21kworker/1:011:15:001
2937238995944,14cyclictest3076446-21kworker/1:011:14:591
2937238995943,15cyclictest3082917-21kworker/1:211:25:011
2937238995843,14cyclictest3082917-21kworker/1:211:30:011
2937238995843,14cyclictest3058479-21kworker/1:311:00:061
2937238995843,14cyclictest3012072-21kworker/1:210:00:151
2937238995843,14cyclictest3002904-21kworker/1:009:54:551
2937238995843,14cyclictest2978253-21kworker/1:009:24:591
2937238995841,16cyclictest2970821-21kworker/1:008:55:141
2937238995841,16cyclictest2942217-21kworker/1:307:40:141
2937238995840,16cyclictest3017878-21kworker/1:110:35:051
2937238995836,20cyclictest43868-1kworker/1:1H09:10:011
2937238995827,30cyclictest3000422-1kworker/1:0H10:14:181
2937238995742,14cyclictest3125309-21kworker/1:212:14:431
2937238995742,14cyclictest3111992-21kworker/1:312:09:561
2937238995742,14cyclictest3111992-21kworker/1:311:55:151
2937238995742,14cyclictest3076446-21kworker/1:011:19:551
2937238995742,14cyclictest3051686-21kworker/1:211:05:151
2937238995742,14cyclictest3051686-21kworker/1:210:55:141
2937238995742,14cyclictest3017878-21kworker/1:110:15:011
2937238995742,14cyclictest3002947-21kworker/1:309:44:151
2937238995742,14cyclictest3002904-21kworker/1:009:45:141
2937238995742,14cyclictest3002904-21kworker/1:009:45:141
2937238995742,14cyclictest2993681-21kworker/1:209:39:151
2937238995742,14cyclictest2978253-21kworker/1:009:25:011
2937238995742,14cyclictest2961336-21kworker/1:308:24:011
2937238995742,14cyclictest2955168-21kworker/1:108:10:141
2937238995742,14cyclictest2955168-21kworker/1:108:03:571
2937238995742,14cyclictest2942217-21kworker/1:307:30:161
2937238995741,15cyclictest2993681-21kworker/1:209:34:551
2937238995741,15cyclictest2961336-21kworker/1:308:42:231
2937238995741,15cyclictest2961336-21kworker/1:308:25:161
2937238995741,15cyclictest2950028-21kworker/1:107:46:531
2937238995740,16cyclictest3051686-21kworker/1:210:45:001
2937238995737,19cyclictest3000422-1kworker/1:0H11:55:001
2937238995641,14cyclictest3103019-21kworker/1:211:45:001
2937238995641,14cyclictest3000422-1kworker/1:0H10:20:131
2937238995641,14cyclictest2978253-21kworker/1:009:15:151
2937238995641,14cyclictest2952977-21kworker/1:308:05:061
2937238995640,15cyclictest43868-1kworker/1:1H08:35:141
2937238995640,15cyclictest3017878-21kworker/1:110:30:151
2937238995638,17cyclictest3111992-21kworker/1:312:25:011
2937238995638,17cyclictest3058479-21kworker/1:310:50:231
2937238995638,16cyclictest3037092-21kworker/1:010:25:131
2937238995638,16cyclictest2967512-21kworker/1:108:45:151
2937238995623,32cyclictest2961336-21kworker/1:308:30:141
2937238995540,14cyclictest3018509-21kworker/1:310:05:011
2937238995540,14cyclictest2942217-21kworker/1:307:35:141
2937238995439,14cyclictest3137488-21kworker/1:112:30:001
2937238995439,14cyclictest3111992-21kworker/1:312:19:551
2937238995439,14cyclictest2950028-21kworker/1:107:50:161
2937238995439,14cyclictest2942217-21kworker/1:307:25:151
2937238995437,16cyclictest2937870-21kworker/1:207:15:021
293723899541,52cyclictest0-21swapper/109:12:241
2937237995448,4cyclictest2604461-1kworker/0:2H10:29:590
2937244995349,2cyclictest1677842-1kworker/3:0H08:04:023
2937239995349,3cyclictest3819399-1kworker/2:0H10:00:532
2937238995338,14cyclictest3142356-21kworker/1:012:39:421
2937238995337,15cyclictest2967512-21kworker/1:108:50:181
2937238995337,15cyclictest2952977-21kworker/1:307:59:531
2937237995348,3cyclictest2604461-1kworker/0:2H10:00:160
2937239995249,2cyclictest2982958-21kworker/2:109:28:182
2937239995248,2cyclictest2948502-21kworker/2:207:45:132
2937239995246,3cyclictest3819399-1kworker/2:0H08:20:152
2937237995247,3cyclictest2604461-1kworker/0:2H10:30:140
2937244995146,3cyclictest1677842-1kworker/3:0H10:10:153
2937237995146,3cyclictest2604461-1kworker/0:2H11:41:530
2937237995146,3cyclictest2604461-1kworker/0:2H10:10:520
2937244995045,3cyclictest1677842-1kworker/3:0H09:30:153
2937239995045,3cyclictest3819399-1kworker/2:0H07:35:142
2937244994945,2cyclictest1677842-1kworker/3:0H07:10:393
2937239994945,2cyclictest3819399-1kworker/2:0H09:35:142
2937237994945,2cyclictest2604461-1kworker/0:2H12:06:530
2937237994943,3cyclictest2604461-1kworker/0:2H12:15:110
2937244994845,2cyclictest2919730-21kworker/3:007:52:233
2937244994843,3cyclictest1677842-1kworker/3:0H10:15:133
2937244994843,2cyclictest1677842-1kworker/3:0H11:10:143
2937244994843,2cyclictest1677842-1kworker/3:0H11:10:143
2937239994843,3cyclictest3819399-1kworker/2:0H07:55:142
2937237994845,2cyclictest2945327-21kworker/0:007:53:230
2937237994845,2cyclictest2945327-21kworker/0:007:46:030
2937237994844,2cyclictest2604461-1kworker/0:2H11:50:120
2937244994743,3cyclictest2973991-21kworker/3:011:25:583
2937244994742,3cyclictest1677842-1kworker/3:0H11:00:133
2937244994742,3cyclictest1677842-1kworker/3:0H10:49:253
2937244994742,3cyclictest1677842-1kworker/3:0H08:15:143
2937239994744,2cyclictest3819399-1kworker/2:0H11:24:242
2937239994744,2cyclictest3819399-1kworker/2:0H08:15:532
2937239994743,3cyclictest3819399-1kworker/2:0H12:39:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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