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2024-05-27 - 17:42
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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, lowest P state: performance
Characteristics of the 50 highest latencies:
System rackdslot2.osadl.org (updated Mon May 27, 2024 00:46:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2207425140,9sleep20-21swapper/219:05:152
360221830,8sleep02409599cyclictest00:09:100
235402141120,10sleep10-21swapper/119:06:351
1235911290,59ptp4l41-21ksoftirqd/319:06:553
1235911000,7ptp4l2409899cyclictest23:17:533
204252860,2sleep00-21swapper/021:20:010
204252860,2sleep00-21swapper/021:20:000
235742758,18sleep00-21swapper/019:07:030
24098997437,4cyclictest41-21ksoftirqd/323:00:353
24098997431,11cyclictest41-21ksoftirqd/320:10:103
24096996954,8cyclictest25-21ksoftirqd/100:15:131
24096996954,8cyclictest25-21ksoftirqd/100:15:121
220752690,2sleep10-21swapper/123:40:161
24098996634,9cyclictest41-21ksoftirqd/322:20:333
2409899654,10cyclictest10336-21grep00:20:473
24098996431,9cyclictest41-21ksoftirqd/319:30:583
24098996232,8cyclictest41-21ksoftirqd/323:07:383
24098996232,8cyclictest41-21ksoftirqd/320:29:273
24098996026,9cyclictest41-21ksoftirqd/322:45:373
24096996047,10cyclictest25-21ksoftirqd/121:50:011
211512600,6sleep2321ktimersoftd/222:30:122
24098995829,8cyclictest41-21ksoftirqd/320:33:493
24098995828,9cyclictest41-21ksoftirqd/322:50:133
24098995828,9cyclictest41-21ksoftirqd/322:50:123
57698570,2rtkit-daemon0-21swapper/121:18:411
57698570,2rtkit-daemon0-21swapper/121:18:401
31192570,3sleep33122-21irqrtprio21:50:233
24096995642,7cyclictest25-21ksoftirqd/122:35:111
24098995541,11cyclictest41-21ksoftirqd/321:25:353
24096995548,4cyclictest25-21ksoftirqd/100:40:001
24098995436,8cyclictest41-21ksoftirqd/323:43:063
24096995446,4cyclictest25-21ksoftirqd/122:10:001
24098995349,2cyclictest391rcuc/319:23:243
24098995348,3cyclictest41-21ksoftirqd/323:10:163
24098995324,9cyclictest41-21ksoftirqd/319:29:053
24096995346,4cyclictest25-21ksoftirqd/123:50:001
24096995346,3cyclictest25-21ksoftirqd/122:10:161
24096995340,10cyclictest25-21ksoftirqd/122:05:011
57698520,17rtkit-daemon25262-21snmpd21:21:190
57698520,17rtkit-daemon25262-21snmpd21:21:190
296062520,2sleep20-21swapper/222:45:342
295442520,3sleep10-21swapper/122:45:321
24098995247,3cyclictest391rcuc/319:35:593
24098995224,9cyclictest41-21ksoftirqd/300:02:253
24096995246,3cyclictest25-21ksoftirqd/120:35:011
24096995246,3cyclictest25-21ksoftirqd/120:30:011
24096995246,3cyclictest25-21ksoftirqd/100:10:001
24096995245,4cyclictest25-21ksoftirqd/122:00:001
24096995245,4cyclictest25-21ksoftirqd/100:15:011
24098995146,3cyclictest41-21ksoftirqd/321:40:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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