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2025-12-05 - 11:14
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot6.osadl.org (updated Fri Dec 05, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1396521820,3sleep10-21swapper/120:19:381
1773911040,38ptp4l401ktimersoftd/320:23:573
251792790,2sleep20-21swapper/220:39:452
73162750,2sleep10-21swapper/100:09:531
177391700,1ptp4l401ktimersoftd/300:16:303
177391670,9ptp4l401ktimersoftd/301:54:113
63132640,3sleep36315-21unixbench_singl00:45:043
213702640,3sleep21608899cyclictest23:49:462
161712640,2sleep10-21swapper/101:34:481
300422620,2sleep10-21swapper/121:59:291
319452610,3sleep10-21swapper/100:00:051
270212600,4sleep21608899cyclictest21:49:592
177391600,1ptp4l401ktimersoftd/322:35:193
16088996026,9cyclictest33-21ksoftirqd/201:34:542
227292570,3sleep322732-21irqrtprio20:34:443
177391570,1ptp4l401ktimersoftd/300:34:063
16088995725,8cyclictest33-21ksoftirqd/223:19:472
16088995626,6cyclictest33-21ksoftirqd/222:34:502
16088995625,8cyclictest33-21ksoftirqd/201:49:582
16088995624,11cyclictest33-21ksoftirqd/221:54:452
16088995527,4cyclictest33-21ksoftirqd/201:29:542
16088995525,9cyclictest33-21ksoftirqd/200:14:482
251632540,1sleep30-21swapper/301:07:283
16088995424,17cyclictest33-21ksoftirqd/200:50:022
16088995424,17cyclictest33-21ksoftirqd/200:50:022
16088995423,5cyclictest33-21ksoftirqd/222:09:522
16088995325,4cyclictest33-21ksoftirqd/221:24:282
16088995324,4cyclictest33-21ksoftirqd/223:14:312
16088995322,9cyclictest33-21ksoftirqd/223:44:512
16088995322,11cyclictest33-21ksoftirqd/201:48:462
16088995225,9cyclictest33-21ksoftirqd/222:45:072
16088995224,5cyclictest33-21ksoftirqd/223:44:322
16088995224,4cyclictest33-21ksoftirqd/221:39:502
16088995224,10cyclictest33-21ksoftirqd/223:09:302
16088995224,10cyclictest33-21ksoftirqd/223:09:302
16088995223,10cyclictest33-21ksoftirqd/222:29:502
16088995222,10cyclictest33-21ksoftirqd/222:49:482
16088995221,9cyclictest33-21ksoftirqd/200:35:402
16088995221,8cyclictest33-21ksoftirqd/223:15:042
1608899517,7cyclictest33-21ksoftirqd/220:29:272
16088995124,9cyclictest33-21ksoftirqd/220:29:392
16088995123,4cyclictest33-21ksoftirqd/200:29:562
16088995123,10cyclictest33-21ksoftirqd/201:19:472
16088995121,9cyclictest33-21ksoftirqd/200:27:452
233902500,2sleep30-21swapper/300:29:303
177391500,1ptp4l401ktimersoftd/300:11:283
16088995023,9cyclictest33-21ksoftirqd/223:59:452
16088995023,5cyclictest33-21ksoftirqd/221:34:502
16088995022,4cyclictest33-21ksoftirqd/201:40:332
16088995022,10cyclictest33-21ksoftirqd/222:40:012
16088995022,10cyclictest33-21ksoftirqd/221:14:422
16088995022,10cyclictest33-21ksoftirqd/221:14:422
16088995021,8cyclictest33-21ksoftirqd/223:01:422
16088995021,8cyclictest33-21ksoftirqd/223:01:422
16088995021,8cyclictest33-21ksoftirqd/201:06:492
16088995021,5cyclictest33-21ksoftirqd/200:45:032
16088995020,10cyclictest33-21ksoftirqd/222:25:132
156612503,35sleep20-21swapper/220:20:292
16088994921,6cyclictest33-21ksoftirqd/221:49:292
16088994921,4cyclictest33-21ksoftirqd/223:36:572
16088994921,10cyclictest33-21ksoftirqd/200:04:502
16088994920,10cyclictest33-21ksoftirqd/201:17:282
16088994920,10cyclictest33-21ksoftirqd/200:43:572
16088994920,10cyclictest33-21ksoftirqd/200:43:572
16088994919,9cyclictest33-21ksoftirqd/222:55:292
16088994919,8cyclictest33-21ksoftirqd/201:04:182
16088994919,8cyclictest33-21ksoftirqd/200:57:482
177391480,1ptp4l401ktimersoftd/300:39:293
16088994819,9cyclictest33-21ksoftirqd/200:10:172
16088994819,8cyclictest33-21ksoftirqd/223:24:482
16088994819,10cyclictest33-21ksoftirqd/223:34:142
16088994819,10cyclictest33-21ksoftirqd/200:22:582
16088994818,8cyclictest33-21ksoftirqd/201:09:412
155182480,4sleep315522-21fschecks_time00:19:503
16088994720,9cyclictest33-21ksoftirqd/222:19:492
128732470,2sleep30-21swapper/322:27:253
1608899465,7cyclictest33-21ksoftirqd/223:59:322
16088994636,3cyclictest33-21ksoftirqd/221:24:492
16088994625,9cyclictest33-21ksoftirqd/201:24:582
16088994614,9cyclictest33-21ksoftirqd/221:09:272
16088994536,3cyclictest33-21ksoftirqd/220:44:492
16088994533,3cyclictest33-21ksoftirqd/222:14:522
16088994518,9cyclictest33-21ksoftirqd/220:54:382
16088994518,10cyclictest33-21ksoftirqd/221:59:452
16088994516,8cyclictest33-21ksoftirqd/222:05:472
177391440,1ptp4l401ktimersoftd/321:09:503
1608899446,7cyclictest33-21ksoftirqd/220:49:552
16088994418,9cyclictest33-21ksoftirqd/221:00:072
1608899435,6cyclictest33-21ksoftirqd/221:09:512
1608899414,2cyclictest121rcu_preempt20:34:412
16088994030,3cyclictest33-21ksoftirqd/221:29:402
177391390,1ptp4l401ktimersoftd/323:25:163
177391390,1ptp4l401ktimersoftd/323:06:343
177391390,1ptp4l401ktimersoftd/323:06:343
177391390,1ptp4l401ktimersoftd/322:45:163
177391390,1ptp4l401ktimersoftd/321:04:533
177391390,1ptp4l401ktimersoftd/301:49:173
177391380,1ptp4l401ktimersoftd/323:48:403
177391380,1ptp4l401ktimersoftd/323:38:533
177391380,1ptp4l401ktimersoftd/323:02:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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