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2026-06-01 - 06:18
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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 Mon Jun 01, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8867099688294,393cyclictest0-21swapper/619:44:4212
8867099688294,393cyclictest0-21swapper/619:44:4212
886709957319,553cyclictest0-21swapper/620:19:4212
886709952611,514cyclictest0-21swapper/623:09:4112
886709949324,468cyclictest0-21swapper/621:59:4212
886759947021,30cyclictest0-21swapper/722:19:2613
886989946924,444cyclictest0-21swapper/1221:13:414
886629946819,30cyclictest0-21swapper/423:40:2310
886629946518,30cyclictest0-21swapper/419:41:2810
886629946415,29cyclictest0-21swapper/423:46:0210
886709946218,29cyclictest0-21swapper/623:56:0312
88666994620,3cyclictest0-21swapper/521:58:0311
886629946215,30cyclictest0-21swapper/420:32:0410
8870499460459,1cyclictest246194-21kworker/14:1+i915-unordered22:31:416
8870499460459,1cyclictest246194-21kworker/14:1+i915-unordered22:31:416
886709945812,29cyclictest0-21swapper/621:13:0212
886629945814,30cyclictest0-21swapper/421:16:0510
886479945813,29cyclictest0-21swapper/022:24:410
886479945813,29cyclictest0-21swapper/022:24:410
8870099457454,2cyclictest226017-21kworker/13:2+events21:58:035
8866699456455,1cyclictest0-21swapper/519:29:0311
8869399454452,2cyclictest0-21swapper/1121:16:423
886629945324,30cyclictest0-21swapper/422:13:0310
8870099452449,2cyclictest94257-21kworker/13:2+events19:34:035
8866699452452,0cyclictest0-21swapper/520:01:0311
886759945022,29cyclictest0-21swapper/719:59:2713
8870099449446,2cyclictest94257-21kworker/13:2+events19:29:035
886759944922,29cyclictest0-21swapper/721:10:0513
886759944826,421cyclictest0-21swapper/719:28:2613
886759944821,29cyclictest0-21swapper/720:59:0413
886989944723,423cyclictest0-21swapper/1222:17:044
8865999447446,1cyclictest69750irq/159-i91522:29:419
8865999447446,1cyclictest69750irq/159-i91522:29:419
88651994473,29cyclictest0-21swapper/120:45:041
8870899446444,2cyclictest193811-21kworker/15:0+i915-unordered21:16:427
8870499446444,2cyclictest121455-21kworker/14:2+i915-unordered20:19:426
88675994460,27cyclictest0-21swapper/700:34:0413
886759944524,420cyclictest0-21swapper/722:01:0313
886759944518,30cyclictest0-21swapper/721:41:0413
88675994450,26cyclictest0-21swapper/700:27:0313
886629944526,29cyclictest0-21swapper/421:20:0310
886629944514,30cyclictest0-21swapper/420:06:0310
8865999445444,1cyclictest69750irq/159-i91520:19:429
8870099444442,1cyclictest129588-21kworker/13:1+events20:01:035
886709944424,419cyclictest0-21swapper/620:25:2512
886629944420,29cyclictest0-21swapper/422:55:2710
886479944416,30cyclictest0-21swapper/021:39:410
886759944323,419cyclictest0-21swapper/720:46:0213
886629944320,28cyclictest0-21swapper/419:09:2710
8870499442440,2cyclictest250413-21kworker/14:0+i915-unordered23:06:416
886709944222,419cyclictest0-21swapper/620:16:0312
886709944218,28cyclictest0-21swapper/623:31:0412
886709944121,419cyclictest0-21swapper/623:07:0412
8869399440439,1cyclictest0-21swapper/1100:08:413
886709944022,416cyclictest0-21swapper/619:58:0312
886629944011,28cyclictest0-21swapper/421:27:2310
8869899439438,1cyclictest0-21swapper/1222:29:414
8869899439438,1cyclictest0-21swapper/1222:29:414
886759943915,28cyclictest0-21swapper/721:17:0513
886709943921,416cyclictest0-21swapper/623:17:2512
886709943921,416cyclictest0-21swapper/621:18:2612
8870499438435,2cyclictest109403-21kworker/u64:10+events_unbound19:34:036
8869899438438,0cyclictest0-21swapper/1220:01:034
886939943717,419cyclictest0-21swapper/1122:49:413
886709943721,415cyclictest0-21swapper/622:04:2412
886629943718,417cyclictest0-21swapper/421:44:0510
886569943715,421cyclictest0-21swapper/219:32:048
886709943617,417cyclictest0-21swapper/623:26:0312
88700994350,26cyclictest0-21swapper/1321:56:415
886779943520,414cyclictest209242-21switchtime21:33:0414
8865999435434,1cyclictest69750irq/159-i91522:41:419
886569943515,419cyclictest0-21swapper/220:42:048
886479943520,414cyclictest0-21swapper/021:20:230
8868099434431,2cyclictest173663-21kworker/u64:5+events_unbound21:44:4215
886709943415,0cyclictest0-21swapper/620:52:0412
886709943413,420cyclictest0-21swapper/620:47:0512
8865999434433,1cyclictest69750irq/159-i91500:11:419
886569943312,420cyclictest0-21swapper/220:01:038
886519943312,418cyclictest0-21swapper/122:18:031
8866699432431,0cyclictest0-21swapper/523:45:0311
8869399431430,1cyclictest0-21swapper/1122:29:413
8869399431430,1cyclictest0-21swapper/1122:29:413
886569943110,420cyclictest0-21swapper/221:18:048
886519943110,420cyclictest0-21swapper/119:20:231
886479943117,414cyclictest0-21swapper/021:54:240
8870499429428,1cyclictest0-21swapper/1423:28:416
8869399429428,1cyclictest0-21swapper/1120:19:423
886519942915,413cyclictest0-21swapper/121:33:261
8866699428427,1cyclictest1818-21snmpd20:39:3811
8867799427425,1cyclictest80987-21kworker/8:6+i915-unordered19:38:0414
88656994277,419cyclictest0-21swapper/221:15:048
88651994278,418cyclictest0-21swapper/119:51:241
88651994278,418cyclictest0-21swapper/119:51:241
88651994277,419cyclictest0-21swapper/122:35:231
88651994276,420cyclictest0-21swapper/120:05:051
88651994275,421cyclictest0-21swapper/121:58:251
8869399426425,1cyclictest0-21swapper/1123:06:413
88677994265,30cyclictest0-21swapper/800:10:4114
88675994260,27cyclictest0-21swapper/700:31:2513
88651994268,417cyclictest0-21swapper/121:32:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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