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2025-12-18 - 19:00
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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 rack0slot5.osadl.org (updated Thu Dec 18, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34652879949926,59cyclictest0-21swapper/1022:15:492
34652879946726,30cyclictest0-21swapper/1021:15:502
34653029946622,29cyclictest0-21swapper/1323:07:495
34652509946520,29cyclictest0-21swapper/020:56:340
34652979946414,29cyclictest0-21swapper/1223:15:124
34652979945911,28cyclictest0-21swapper/1222:58:334
34653069945818,29cyclictest0-21swapper/1400:17:496
3465297994578,447cyclictest0-21swapper/1220:51:354
3465297994559,28cyclictest0-21swapper/1200:10:334
3465297994558,29cyclictest0-21swapper/1223:45:364
3465297994557,30cyclictest0-21swapper/1200:27:124
34652779945514,30cyclictest0-21swapper/722:55:4913
3465297994548,29cyclictest0-21swapper/1220:24:324
3465287994533,29cyclictest0-21swapper/1020:11:132
3465255994537,30cyclictest0-21swapper/121:49:451
3465255994537,30cyclictest0-21swapper/121:49:451
34652879945223,29cyclictest0-21swapper/1021:55:342
34652879945023,29cyclictest0-21swapper/1022:37:342
3465302994484,29cyclictest0-21swapper/1322:16:495
346526399448446,1cyclictest3508300-21kworker/3:1+i915-unordered19:56:139
34653029944725,421cyclictest0-21swapper/1300:12:125
3465297994470,30cyclictest0-21swapper/1221:39:354
3465287994470,28cyclictest0-21swapper/1000:32:332
3465287994460,29cyclictest0-21swapper/1022:51:332
34652559944621,30cyclictest0-21swapper/120:11:501
34653029944523,421cyclictest0-21swapper/1300:09:125
34652879944519,28cyclictest0-21swapper/1022:47:112
346530699444442,1cyclictest3696195-21kworker/14:2+i915-unordered23:46:346
34652879944322,418cyclictest0-21swapper/1000:22:132
34652639944322,420cyclictest0-21swapper/323:28:119
34652639944322,420cyclictest0-21swapper/322:11:139
3465250994432,28cyclictest0-21swapper/022:36:120
346530299441441,0cyclictest0-21swapper/1320:02:115
34652979944115,30cyclictest0-21swapper/1219:25:134
34653069944020,419cyclictest0-21swapper/1421:35:326
34653069943922,416cyclictest0-21swapper/1400:38:346
34653069943821,416cyclictest0-21swapper/1400:03:126
34653069943818,419cyclictest0-21swapper/1421:24:116
346530299438438,0cyclictest0-21swapper/1321:48:505
346530299438438,0cyclictest0-21swapper/1321:48:505
346530299438436,1cyclictest3568006-21kworker/13:0+i915-unordered21:07:125
34653029943817,420cyclictest0-21swapper/1323:38:125
34652879943819,417cyclictest0-21swapper/1021:26:332
3465297994369,29cyclictest0-21swapper/1219:45:114
34652979943610,30cyclictest0-21swapper/1220:46:124
34652879943618,29cyclictest0-21swapper/1020:22:502
34652739943615,420cyclictest0-21swapper/622:19:3312
34652739943615,420cyclictest0-21swapper/621:17:3512
34653029943517,417cyclictest0-21swapper/1300:28:495
3465297994359,424cyclictest0-21swapper/1219:32:344
346526399435435,0cyclictest0-21swapper/322:33:509
346526399435434,1cyclictest0-21swapper/323:11:509
34652509943522,412cyclictest0-21swapper/021:37:120
34652929943413,420cyclictest0-21swapper/1121:25:113
34652929943412,421cyclictest0-21swapper/1123:32:343
3465287994347,424cyclictest0-21swapper/1019:30:332
34652739943413,420cyclictest0-21swapper/623:46:3412
34653109943318,414cyclictest0-21swapper/1521:25:507
3465297994338,29cyclictest0-21swapper/1219:11:134
3465297994337,29cyclictest0-21swapper/1219:56:344
3465297994337,29cyclictest0-21swapper/1219:44:334
346526399433433,0cyclictest0-21swapper/323:38:499
34652639943222,410cyclictest0-21swapper/320:45:509
34652739943112,419cyclictest0-21swapper/623:51:1112
3465297994309,418cyclictest0-21swapper/1200:00:354
346529299430428,1cyclictest0-21swapper/1120:25:023
34652799943011,418cyclictest0-21swapper/822:53:1314
3465297994299,419cyclictest0-21swapper/1221:08:124
3465297994294,30cyclictest0-21swapper/1221:15:124
34652509942913,415cyclictest0-21swapper/021:19:130
3465297994287,418cyclictest0-21swapper/1223:23:114
34652979942810,416cyclictest0-21swapper/1200:35:334
3465287994282,30cyclictest0-21swapper/1000:05:342
3465287994281,424cyclictest0-21swapper/1019:47:122
3465297994276,418cyclictest0-21swapper/1220:42:324
34652779942713,413cyclictest0-21swapper/700:06:4913
3465287994262,29cyclictest0-21swapper/1019:17:132
346528499426426,0cyclictest0-21swapper/922:10:3415
3465287994250,28cyclictest0-21swapper/1019:42:352
3465302994243,420cyclictest0-21swapper/1323:31:335
34653029942423,400cyclictest0-21swapper/1322:40:345
3465287994241,30cyclictest0-21swapper/1020:00:132
3465284994248,415cyclictest0-21swapper/921:21:5015
3465250994237,416cyclictest0-21swapper/019:58:120
346530299422420,1cyclictest3482639-21kworker/13:2+i915-unordered19:25:365
3465302994222,419cyclictest0-21swapper/1322:50:355
346526399422418,3cyclictest3580979-21kworker/3:2+events21:25:119
3465263994220,0cyclictest0-21swapper/322:40:129
346530299420417,2cyclictest3597968-21kworker/13:0+events21:53:115
346530299420417,2cyclictest3597968-21kworker/13:0+events21:53:115
3465297994204,30cyclictest0-21swapper/1219:35:334
3465284994205,414cyclictest0-21swapper/921:46:5015
3465284994205,414cyclictest0-21swapper/921:46:5015
346526399420418,2cyclictest3679392-21kworker/3:1+events23:32:349
34653109941924,394cyclictest0-21swapper/1519:11:507
346530699419417,2cyclictest3619639-21kworker/14:0+events22:19:336
346530299419416,2cyclictest3696437-21kworker/13:1+events00:04:335
3465287994191,417cyclictest0-21swapper/1020:37:342
346527999419416,2cyclictest3593777-21kworker/8:0+events21:44:3414
346527999419416,2cyclictest3593777-21kworker/8:0+events21:44:3414
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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