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2025-12-16 - 06:39
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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 rackdslot3.osadl.org (updated Tue Dec 16, 2025 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58762212180,22sleep20-21swapper/219:06:312
139491211178,22phc2sys0-21swapper/319:05:573
59412209177,21sleep10-21swapper/119:07:191
58792205171,23sleep00-21swapper/019:06:330
2248921630,6sleep0644399cyclictest19:40:510
630721410,4sleep0644399cyclictest22:30:480
1152621390,6sleep0644399cyclictest20:25:510
1393911210,1ptp4l1049-21irqrtprio00:35:453
6444996529,5cyclictest25-21ksoftirqd/123:25:431
6444996424,9cyclictest25-21ksoftirqd/100:30:371
6444996226,8cyclictest25-21ksoftirqd/120:30:201
6443996230,3cyclictest9-21ksoftirqd/000:05:430
6443996228,4cyclictest9-21ksoftirqd/021:45:000
6443996133,3cyclictest9-21ksoftirqd/022:55:510
6444996021,7cyclictest25-21ksoftirqd/123:50:521
6444995930,4cyclictest25-21ksoftirqd/123:20:461
6444995820,9cyclictest25-21ksoftirqd/122:15:491
6444995820,9cyclictest25-21ksoftirqd/121:50:481
6444995720,4cyclictest25-21ksoftirqd/100:15:521
6444995719,9cyclictest25-21ksoftirqd/122:40:411
6444995626,9cyclictest25-21ksoftirqd/121:45:521
6444995619,7cyclictest25-21ksoftirqd/119:50:501
6443995629,3cyclictest9-21ksoftirqd/020:40:390
186982560,4sleep20-21swapper/220:40:502
6444995531,5cyclictest25-21ksoftirqd/122:10:541
6444995527,11cyclictest25-21ksoftirqd/120:15:431
6444995527,10cyclictest25-21ksoftirqd/123:05:461
6444995518,10cyclictest25-21ksoftirqd/120:25:421
6443995525,3cyclictest9-21ksoftirqd/021:45:410
6443995524,4cyclictest9-21ksoftirqd/021:35:430
6443995523,8cyclictest9-21ksoftirqd/021:35:010
6444995422,9cyclictest25-21ksoftirqd/121:40:461
6443995427,3cyclictest9-21ksoftirqd/020:50:480
6443995426,4cyclictest9-21ksoftirqd/023:30:430
6443995426,4cyclictest9-21ksoftirqd/019:30:510
6443995425,3cyclictest9-21ksoftirqd/021:20:530
6443995424,3cyclictest9-21ksoftirqd/023:15:470
6443995423,4cyclictest9-21ksoftirqd/022:50:490
6443995423,4cyclictest9-21ksoftirqd/020:55:450
139391540,1ptp4l401ktimersoftd/321:53:573
644499536,7cyclictest25-21ksoftirqd/122:55:521
6443995327,3cyclictest9-21ksoftirqd/000:35:520
6443995326,3cyclictest9-21ksoftirqd/019:25:490
6443995322,3cyclictest9-21ksoftirqd/023:25:410
6443995321,4cyclictest9-21ksoftirqd/023:10:410
6443995320,4cyclictest9-21ksoftirqd/023:50:540
644499525,7cyclictest25-21ksoftirqd/123:05:011
6444995225,7cyclictest25-21ksoftirqd/123:30:521
6444995222,6cyclictest25-21ksoftirqd/119:10:391
6444995220,7cyclictest25-21ksoftirqd/123:55:441
6444995216,4cyclictest25-21ksoftirqd/123:15:511
6443995227,3cyclictest9-21ksoftirqd/021:50:450
6443995223,3cyclictest9-21ksoftirqd/019:10:380
644499517,3cyclictest25-21ksoftirqd/122:25:481
644499512,8cyclictest19151-1kworker/1:1H19:29:591
6444995127,10cyclictest25-21ksoftirqd/119:15:451
6444995118,10cyclictest25-21ksoftirqd/100:35:481
6444995111,9cyclictest25-21ksoftirqd/120:00:441
644499510,9cyclictest25-21ksoftirqd/123:40:501
6443995122,4cyclictest9-21ksoftirqd/022:30:000
6443995121,4cyclictest9-21ksoftirqd/021:25:470
644499506,3cyclictest25-21ksoftirqd/120:20:421
644499505,3cyclictest25-21ksoftirqd/120:40:391
644499503,6cyclictest25268-21dump-pmu-power22:05:001
644499502,6cyclictest21734-21idleruntime-cro20:50:011
6444995018,7cyclictest25-21ksoftirqd/120:55:471
6444995016,8cyclictest25-21ksoftirqd/100:20:511
6444995013,9cyclictest25-21ksoftirqd/100:05:491
6443995024,3cyclictest9-21ksoftirqd/000:25:530
6443995020,4cyclictest9-21ksoftirqd/000:20:510
644499496,3cyclictest25-21ksoftirqd/121:00:531
644499493,4cyclictest25-21ksoftirqd/121:30:421
6443994923,4cyclictest9-21ksoftirqd/022:20:430
6443994923,4cyclictest9-21ksoftirqd/000:10:500
6443994921,3cyclictest9-21ksoftirqd/019:20:400
644399490,5cyclictest207-21systemd-journal23:44:590
644499486,8cyclictest25-21ksoftirqd/122:35:501
6444994814,7cyclictest25-21ksoftirqd/121:07:511
644399484,2cyclictest121rcu_preempt22:35:430
644399483,2cyclictest121rcu_preempt22:20:000
6443994819,4cyclictest9-21ksoftirqd/020:35:520
6443994816,3cyclictest9-21ksoftirqd/023:45:450
644499477,3cyclictest25-21ksoftirqd/123:10:511
644499476,3cyclictest25-21ksoftirqd/119:45:011
644499475,7cyclictest25-21ksoftirqd/120:35:501
644499472,4cyclictest25-21ksoftirqd/123:35:431
6444994718,4cyclictest25-21ksoftirqd/119:34:471
6444994716,8cyclictest25-21ksoftirqd/119:35:421
644499470,11cyclictest25-21ksoftirqd/119:55:451
644399473,3cyclictest121rcu_preempt19:35:410
6443994721,3cyclictest9-21ksoftirqd/022:00:450
6443994720,3cyclictest9-21ksoftirqd/021:05:460
6443994718,3cyclictest9-21ksoftirqd/020:00:420
6443994716,6cyclictest9-21ksoftirqd/000:00:480
6443994716,3cyclictest9-21ksoftirqd/023:20:440
327392470,3sleep332744-21missed_timers21:10:483
6445994639,4cyclictest30010-21dump-pmu-power22:15:002
644499467,3cyclictest25-21ksoftirqd/122:05:431
644499467,3cyclictest25-21ksoftirqd/100:25:511
644499466,7cyclictest25-21ksoftirqd/119:25:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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