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2025-06-29 - 02:42
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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 792 highest latencies:
System rack6slot6 (updated Sun Jun 29, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55719910767653483,54069cyclictest12440-21ssh21:20:300
55719910721253437,53710cyclictest19350irq/14-ata_piix22:52:570
55719910662853381,53156cyclictest0-21swapper19:58:160
55719910660253468,53043cyclictest0-21swapper00:36:070
55719910657953391,53123cyclictest0-21swapper19:44:430
55719910655753475,53082cyclictest0-21swapper23:55:050
55719910652753423,53039cyclictest29511-21kworker/0:120:55:430
55719910650653472,53034cyclictest0-21swapper00:34:560
55719910646853461,52917cyclictest5563-21cyclictest19:46:330
55719910645353404,53049cyclictest0-21swapper19:35:200
55719910643253433,52999cyclictest0-21swapper21:30:530
55719910641653454,52871cyclictest9-21ksoftirqd/020:48:410
55719910641253423,52989cyclictest0-21swapper00:13:400
55719910636453440,52860cyclictest9-21ksoftirqd/021:04:560
55719910619653458,52738cyclictest0-21swapper19:25:570
55719910618353455,52728cyclictest0-21swapper22:57:080
55719910617853456,52722cyclictest0-21swapper23:11:120
55719910617153453,52718cyclictest0-21swapper22:28:500
55719910616053402,52758cyclictest0-21swapper20:39:280
55719910614253434,52708cyclictest0-21swapper20:51:420
55719910612053423,52697cyclictest0-21swapper20:40:590
55719910531452957,52351cyclictest5899-21ssh21:56:000
55719910515253057,52090cyclictest0-21swapper23:20:050
55719910513453035,52097cyclictest0-21swapper00:17:110
5571995350827,0cyclictest0-21swapper22:07:440
5571995344827,0cyclictest0-21swapper22:18:070
5571995342727,53400cyclictest0-21swapper21:09:570
5571995336426,53338cyclictest0-21swapper23:36:490
5571995326626,0cyclictest0-21swapper21:35:350
5571995326025,53143cyclictest0-21swapper20:10:000
5571995325427,0cyclictest0-21swapper20:33:070
5571995314727,53026cyclictest0-21swapper23:32:180
55719925081053,1328cyclictest6504-21ssh21:13:080
55719925051063,1317cyclictest32351-21ssh22:33:110
55719924011064,1242cyclictest3950irq/9-acpi22:03:120
55719922651030,853cyclictest0-21swapper23:28:270
55719921601059,1036cyclictest133750irq/9-eth000:25:230
55719920651047,951cyclictest8470-1kworker/u3:100:20:420
55719920521027,933cyclictest0-21swapper20:27:450
5571992026992,968cyclictest3950irq/9-acpi22:49:260
5571992017980,1003cyclictest0-21swapper23:17:540
55719920061048,859cyclictest2103-21runrttasks20:15:520
55719919941042,915cyclictest22519-21ssh22:20:070
55719919771037,904cyclictest6327-21ssh22:41:130
5571991974953,987cyclictest0-21swapper21:15:290
55719919611020,849cyclictest0-21swapper20:03:180
55719919401074,773cyclictest0-21swapper20:12:000
55719918881059,705cyclictest18818-21ssh23:43:510
55719918631052,690cyclictest3800-21diskmemload23:07:010
55719918361096,676cyclictest133750irq/9-eth021:50:390
55719918351037,676cyclictest3800-21diskmemload00:04:170
55719917641059,639cyclictest3950irq/9-acpi23:45:520
55719917081078,630cyclictest0-21swapper21:42:370
5571991681926,721cyclictest17300-21ssh21:27:520
55719915841070,450cyclictest9-21ksoftirqd/019:23:360
5571991565915,627cyclictest3534-21rm00:06:380
55719915641048,425cyclictest9-21ksoftirqd/020:23:340
55719915331043,424cyclictest9-21ksoftirqd/019:53:250
55719915041011,427cyclictest0-21swapper22:11:350
5571991496995,435cyclictest0-21swapper22:36:320
557199146231,1305cyclictest2802-21gdm-simple-gree19:32:590
55719914491092,357cyclictest0-21swapper23:52:040
55719914471065,382cyclictest0-21swapper23:00:090
55719914081092,316cyclictest0-21swapper21:49:080
5571991215619,593cyclictest762-21grep19:14:240
5571991209614,592cyclictest18487-21hwlatdetect-tra19:19:350
328026611,12sleep03564-21hwlatdetect-tra19:06:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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