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2026-04-24 - 01:21
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Thu Apr 23, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911050,3ptp4l401ktimersoftd/308:18:193
106891750,1ptp4l401ktimersoftd/313:25:523
106891690,1ptp4l401ktimersoftd/310:50:463
283812670,2sleep20-21swapper/212:43:232
106891670,1ptp4l401ktimersoftd/311:13:403
255532640,5sleep22563699cyclictest11:02:532
106891590,1ptp4l401ktimersoftd/313:52:383
282232580,5sleep228226-21irqrtprio09:33:252
106891580,1ptp4l401ktimersoftd/312:41:183
25630995725,5cyclictest25-21ksoftirqd/113:53:121
106891570,1ptp4l401ktimersoftd/312:10:233
106891570,1ptp4l401ktimersoftd/312:10:233
106891570,10ptp4l401ktimersoftd/313:03:113
62512550,4sleep125-21ksoftirqd/113:26:171
258882540,2sleep10-21swapper/109:28:261
25630995122,5cyclictest25-21ksoftirqd/112:38:211
25630995121,4cyclictest25-21ksoftirqd/110:28:431
25630995120,11cyclictest25-21ksoftirqd/111:28:311
106891510,2ptp4l13532-21kworker/3:010:34:473
106891500,1ptp4l401ktimersoftd/310:46:533
25630994924,4cyclictest25-21ksoftirqd/113:13:121
25630994924,4cyclictest25-21ksoftirqd/109:18:061
25630994921,5cyclictest25-21ksoftirqd/113:28:281
143291490,4getstats2564299cyclictest12:34:203
87262480,5sleep18731-21cpuspeed_turbos12:23:221
2563099483,9cyclictest5685-21munin-run08:48:051
25630994823,4cyclictest25-21ksoftirqd/113:03:221
25630994819,11cyclictest25-21ksoftirqd/111:08:271
25630994818,5cyclictest25-21ksoftirqd/111:33:351
108212480,2sleep30-21swapper/311:53:093
106891480,1ptp4l401ktimersoftd/312:27:393
287092470,1sleep128711-21cut12:43:261
25630994734,3cyclictest25-21ksoftirqd/112:33:111
25630994734,3cyclictest25-21ksoftirqd/111:58:261
25630994723,4cyclictest25-21ksoftirqd/111:53:371
25630994723,4cyclictest25-21ksoftirqd/108:28:061
25630994722,4cyclictest25-21ksoftirqd/108:58:221
25630994722,4cyclictest25-21ksoftirqd/108:38:211
25630994722,4cyclictest25-21ksoftirqd/108:38:211
25630994721,5cyclictest25-21ksoftirqd/111:06:211
25630994720,4cyclictest25-21ksoftirqd/109:23:281
25630994719,7cyclictest25-21ksoftirqd/110:18:251
25630994719,10cyclictest25-21ksoftirqd/109:53:071
25630994718,7cyclictest25-21ksoftirqd/111:48:311
2562599474,7cyclictest0-21swapper/011:03:200
2562599473,8cyclictest25857-21apt-get12:08:220
2562599473,8cyclictest25857-21apt-get12:08:220
2562599472,6cyclictest0-21swapper/011:58:220
25636994638,4cyclictest33-21ksoftirqd/213:23:212
2563099462,9cyclictest25-21ksoftirqd/112:23:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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