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2026-06-14 - 21:19
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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
Characteristics of all highest latencies:
System rack6slot6 (updated Sun Jun 14, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37969910668353435,53181cyclictest11931-21kworker/0:307:33:230
37969910657053461,53109cyclictest0-21swapper08:03:110
37969910655653416,53049cyclictest0-21swapper10:03:060
37969910651953476,53043cyclictest0-21swapper08:05:520
37969910651153472,53039cyclictest0-21swapper11:22:190
37969910649253467,53025cyclictest0-21swapper12:29:380
37969910647953423,52968cyclictest3795-21cyclictest08:41:530
37969910647653415,53061cyclictest0-21swapper07:16:080
37969910646353468,52995cyclictest0-21swapper11:56:490
37969910645753395,53062cyclictest0-21swapper10:42:370
37969910645553401,53054cyclictest0-21swapper10:09:580
37969910644853464,52984cyclictest0-21swapper10:57:420
37969910644853402,53046cyclictest0-21swapper07:56:190
37969910643053393,53037cyclictest0-21swapper12:37:200
37969910642353431,52992cyclictest0-21swapper08:27:380
37969910641053426,52984cyclictest0-21swapper12:33:290
37969910631453391,52857cyclictest0-21swapper08:38:220
37969910626853456,52812cyclictest0-21swapper07:43:260
37969910625253411,52776cyclictest0-21swapper09:27:260
37969910619353432,52761cyclictest0-21swapper07:23:400
37969910616553404,52761cyclictest0-21swapper09:00:080
37969910616053463,52697cyclictest0-21swapper10:39:360
37969910614653060,53084cyclictest0-21swapper09:42:500
37969910613853392,52746cyclictest0-21swapper08:50:050
37969910608952985,53082cyclictest0-21swapper09:13:520
37969910604452992,53050cyclictest0-21swapper09:47:520
37969910602052935,53083cyclictest0-21swapper11:32:520
37969910599952918,53079cyclictest0-21swapper10:47:290
37969910587253029,52840cyclictest5733-21ssh10:19:110
37969910567553046,52627cyclictest9304-21ssh11:09:450
37969910559952903,52694cyclictest8117-21ssh11:52:580
37969910547753065,52405cyclictest21037-21diskmemload09:38:390
37969910544252922,52518cyclictest27306-21ssh11:35:020
37969910525153037,52212cyclictest21695-21ssh11:26:000
37969910513753037,52098cyclictest0-21swapper09:15:220
37969910512553022,52102cyclictest0-21swapper09:20:540
37969910508952976,52111cyclictest0-21swapper09:50:020
37969910508752991,52094cyclictest0-21swapper12:08:120
37969910507752975,52100cyclictest0-21swapper09:56:040
37969910507352939,52132cyclictest0-21swapper11:40:540
37969910505952962,52095cyclictest0-21swapper07:36:040
37969910503552974,52059cyclictest0-21swapper10:12:490
3796995353427,467cyclictest0-21swapper08:57:070
3796995310627,53079cyclictest0-21swapper08:11:140
37969924681060,1283cyclictest2099-21runrttasks08:19:260
37969923491018,1232cyclictest2099-21runrttasks07:45:360
37969922661076,1090cyclictest2099-21runrttasks08:46:040
37969921791065,1023cyclictest3950irq/9-acpi10:28:530
37969920801067,888cyclictest2099-21runrttasks07:26:310
37969920641020,953cyclictest3950irq/9-acpi11:18:080
3796992058972,1046cyclictest11871-21ssh11:12:460
37969920261055,879cyclictest2388-21ssh11:00:020
37969920031028,854cyclictest0-21swapper10:34:250
37969919911035,862cyclictest0-21swapper07:14:170
37969919751028,854cyclictest0-21swapper07:52:380
37969919671037,893cyclictest2245-21runrttasks08:24:380
37969918151050,665cyclictest2099-21runrttasks08:34:200
37969917821038,707cyclictest8151-21ssh10:21:510
3796991762957,792cyclictest0-21swapper12:03:110
37969915901040,459cyclictest9-21ksoftirqd/012:24:170
37969915151005,417cyclictest0-21swapper09:07:000
3796991485985,464cyclictest6111-21ssh09:34:080
37969914701103,367cyclictest0-21swapper12:17:150
37969914521090,362cyclictest0-21swapper11:48:160
37969914411088,353cyclictest0-21swapper10:53:510
37969913761051,325cyclictest0-21swapper12:12:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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