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2026-06-01 - 11:14
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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
Characteristics of the 100 highest latencies:
System rack1slot1.osadl.org (updated Mon Jun 01, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
698824660,8sleep00-21swapper/019:05:220
76192208153,21sleep10-21swapper/119:08:011
75782200162,24sleep20-21swapper/219:07:312
74452200160,26sleep30-21swapper/319:05:463
218422540,0sleep10-21swapper/121:35:191
7866991918,1cyclictest28-21ksoftirqd/222:27:572
7866991717,0cyclictest28-21ksoftirqd/222:00:132
7866991717,0cyclictest28-21ksoftirqd/221:49:152
7866991716,1cyclictest28-21ksoftirqd/223:24:042
7866991716,1cyclictest28-21ksoftirqd/223:06:472
7866991716,1cyclictest28-21ksoftirqd/222:32:362
7866991616,0cyclictest28-21ksoftirqd/222:46:182
7866991616,0cyclictest28-21ksoftirqd/221:42:492
7866991616,0cyclictest28-21ksoftirqd/200:32:512
7866991616,0cyclictest28-21ksoftirqd/200:14:512
7866991615,1cyclictest28-21ksoftirqd/222:05:022
7866991615,1cyclictest28-21ksoftirqd/221:16:412
7866991515,0cyclictest28-21ksoftirqd/223:56:042
7866991515,0cyclictest28-21ksoftirqd/223:45:352
7866991515,0cyclictest28-21ksoftirqd/223:43:502
7866991515,0cyclictest28-21ksoftirqd/223:30:532
7866991515,0cyclictest28-21ksoftirqd/222:42:482
7866991515,0cyclictest28-21ksoftirqd/221:30:552
7866991515,0cyclictest28-21ksoftirqd/219:40:112
7866991514,1cyclictest28-21ksoftirqd/200:04:212
209782150,0sleep10-21swapper/122:19:251
786699146,0cyclictest28-21ksoftirqd/200:25:372
7866991414,0cyclictest28-21ksoftirqd/223:29:422
7866991414,0cyclictest28-21ksoftirqd/222:20:592
7866991414,0cyclictest28-21ksoftirqd/221:57:082
7866991414,0cyclictest28-21ksoftirqd/221:53:422
7866991414,0cyclictest28-21ksoftirqd/200:35:292
7875991312,1cyclictest35-21ksoftirqd/320:20:003
786699139,3cyclictest28-21ksoftirqd/222:54:172
7866991313,0cyclictest28-21ksoftirqd/223:37:442
7866991313,0cyclictest28-21ksoftirqd/222:56:552
7866991312,1cyclictest28-21ksoftirqd/223:17:022
7853991312,1cyclictest9-21ksoftirqd/022:45:200
7875991212,0cyclictest0-21swapper/321:26:013
7866991212,0cyclictest28-21ksoftirqd/223:51:392
7866991212,0cyclictest28-21ksoftirqd/221:37:292
7866991211,1cyclictest28-21ksoftirqd/223:10:202
7853991210,1cyclictest9-21ksoftirqd/023:50:010
7853991210,1cyclictest9-21ksoftirqd/022:20:000
786699118,1cyclictest28-21ksoftirqd/222:35:432
7866991111,0cyclictest28-21ksoftirqd/222:15:392
7866991111,0cyclictest28-21ksoftirqd/222:10:022
7866991111,0cyclictest28-21ksoftirqd/200:07:362
7866991110,1cyclictest28-21ksoftirqd/223:00:002
7866991110,1cyclictest28-21ksoftirqd/200:22:392
785399119,1cyclictest9-21ksoftirqd/023:55:000
785399119,1cyclictest9-21ksoftirqd/023:00:000
785399119,1cyclictest9-21ksoftirqd/022:05:150
785399119,1cyclictest9-21ksoftirqd/021:10:000
785399112,4cyclictest20359-21cat19:35:000
7853991110,1cyclictest9-21ksoftirqd/023:45:000
7853991110,1cyclictest9-21ksoftirqd/022:00:000
7853991110,1cyclictest9-21ksoftirqd/020:40:000
7853991110,1cyclictest9-21ksoftirqd/000:35:000
787599100,4cyclictest0-21swapper/323:05:113
786699109,1cyclictest28-21ksoftirqd/221:27:182
786699109,1cyclictest28-21ksoftirqd/221:10:192
786699109,1cyclictest28-21ksoftirqd/220:05:022
786699109,1cyclictest28-21ksoftirqd/220:00:232
786699109,1cyclictest28-21ksoftirqd/219:55:172
786699109,1cyclictest28-21ksoftirqd/200:15:012
786699103,7cyclictest28-21ksoftirqd/221:06:562
786699103,7cyclictest28-21ksoftirqd/220:33:482
786699102,8cyclictest28-21ksoftirqd/219:49:302
7866991010,0cyclictest28-21ksoftirqd/221:20:062
785399109,1cyclictest9-21ksoftirqd/023:30:140
785399109,1cyclictest9-21ksoftirqd/023:20:000
785399109,1cyclictest9-21ksoftirqd/022:55:000
785399109,1cyclictest9-21ksoftirqd/019:50:000
785399108,1cyclictest9-21ksoftirqd/021:50:000
78759998,1cyclictest35-21ksoftirqd/319:51:353
78759990,7cyclictest0-21swapper/322:56:083
78759990,5cyclictest0-21swapper/320:35:103
78669999,0cyclictest28-21ksoftirqd/220:35:282
78669999,0cyclictest28-21ksoftirqd/219:29:132
78669997,1cyclictest28-21ksoftirqd/220:20:152
78669992,7cyclictest28-21ksoftirqd/219:11:562
78669991,8cyclictest28-21ksoftirqd/219:33:482
78539999,0cyclictest9-21ksoftirqd/000:25:150
78539999,0cyclictest9-21ksoftirqd/000:15:180
78539998,1cyclictest9-21ksoftirqd/023:00:000
78539998,1cyclictest9-21ksoftirqd/022:45:000
78539998,1cyclictest9-21ksoftirqd/022:35:000
78539998,1cyclictest9-21ksoftirqd/021:15:000
78539998,1cyclictest9-21ksoftirqd/021:00:010
78539998,1cyclictest9-21ksoftirqd/019:15:010
78539998,1cyclictest14101-21rm22:10:130
78539997,1cyclictest9-21ksoftirqd/023:55:140
78539997,1cyclictest9-21ksoftirqd/023:10:000
78539997,1cyclictest9-21ksoftirqd/022:20:140
78539997,1cyclictest9-21ksoftirqd/020:20:000
78539995,3cyclictest0-21swapper/021:30:190
78759986,1cyclictest35-21ksoftirqd/321:32:003
78759986,1cyclictest35-21ksoftirqd/300:35:133
78759986,1cyclictest1029-21snmpd23:28:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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