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2026-04-23 - 00:10
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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
Characteristics of the highest latencies:
System rack6slot6 (updated Wed Apr 22, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165109910706653413,53587cyclictest0-21swapper10:42:210
165109910669653429,53267cyclictest0-21swapper09:07:130
165109910666853454,53090cyclictest9-21ksoftirqd/011:13:400
165109910660753414,53193cyclictest0-21swapper12:29:320
165109910654053422,53118cyclictest0-21swapper10:59:160
165109910651753477,53040cyclictest0-21swapper09:19:270
165109910651753449,53068cyclictest0-21swapper11:37:170
165109910650553472,53033cyclictest0-21swapper12:35:030
165109910645853391,53005cyclictest16499-21cyclictest10:23:550
165109910645553447,53008cyclictest0-21swapper09:32:510
165109910645053400,53050cyclictest0-21swapper08:58:510
165109910644953446,53003cyclictest0-21swapper09:53:370
165109910644453396,53048cyclictest0-21swapper11:42:080
165109910641753415,53002cyclictest0-21swapper07:44:500
165109910639953439,52865cyclictest2272-21munin-node07:38:180
165109910639153434,52957cyclictest0-21swapper08:45:570
165109910633153430,52839cyclictest16499-21cyclictest09:43:540
165109910631853428,52824cyclictest0-21swapper09:04:130
165109910628353411,52808cyclictest9-21ksoftirqd/008:24:110
165109910624853410,52746cyclictest0-21swapper07:33:560
165109910624353407,52745cyclictest0-21swapper07:11:500
165109910623153431,52800cyclictest0-21swapper07:23:340
165109910622853476,52752cyclictest0-21swapper12:18:490
165109910619753465,52732cyclictest0-21swapper07:48:510
165109910617553469,52706cyclictest0-21swapper07:53:120
165109910616353403,52760cyclictest0-21swapper08:29:430
165109910615753400,52757cyclictest0-21swapper08:09:070
165109910614953438,52711cyclictest0-21swapper08:11:070
165109910614853442,52706cyclictest0-21swapper10:02:290
165109910612553432,52693cyclictest0-21swapper07:28:550
165109910602852987,53036cyclictest0-21swapper10:39:100
165109910556052972,52585cyclictest1278-21diskmemload12:21:190
165109910547653002,52471cyclictest0-21swapper11:18:010
165109910532553060,52265cyclictest0-21swapper10:29:370
165109910520152988,52207cyclictest1193-21ssh09:56:380
165109910507752964,52111cyclictest0-21swapper12:32:220
165109910504452943,52099cyclictest0-21swapper10:52:540
16510995370353404,208cyclictest9-21ksoftirqd/009:45:240
16510995360353427,176cyclictest0-21swapper08:53:090
16510995356353386,177cyclictest0-21swapper08:44:170
16510995344327,383cyclictest0-21swapper09:36:220
16510995329825,490cyclictest0-21swapper08:17:390
16510995327627,53155cyclictest0-21swapper10:11:020
16510995325525,53230cyclictest0-21swapper07:16:520
16510995307726,53051cyclictest0-21swapper09:26:390
16510995306124,53037cyclictest0-21swapper11:21:520
16510995302452999,23cyclictest9524-21ssh10:09:410
165109923431096,1123cyclictest14552-21ssh10:15:530
165109922971104,1127cyclictest134850irq/9-eth012:05:350
165109922921071,1096cyclictest2099-21runrttasks11:31:350
165109922831051,1106cyclictest2099-21runrttasks07:55:330
165109922551052,1078cyclictest2099-21runrttasks08:36:450
165109921511100,926cyclictest1907-21snmpd09:20:570
165109920771026,986cyclictest3950irq/9-acpi11:02:570
165109920651005,1026cyclictest0-21swapper11:26:330
16510992022983,1003cyclictest0-21swapper11:06:480
16510992021946,981cyclictest0-21swapper11:58:230
16510992009986,983cyclictest21474-21ssh12:03:240
165109919281051,810cyclictest3950irq/9-acpi10:47:020
165109918341100,667cyclictest3950irq/9-acpi12:10:360
165109917591049,646cyclictest3950irq/9-acpi11:51:410
165109917441091,653cyclictest0-21swapper08:31:230
16510991686913,748cyclictest25662-21ssh10:33:180
165109915551039,425cyclictest9-21ksoftirqd/009:13:050
165109915391076,463cyclictest0-21swapper11:46:390
165109915321038,426cyclictest0-21swapper08:01:440
15565255790,208sleep00-21swapper07:05:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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