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2026-05-14 - 01:10
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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 Wed May 13, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106891950,34ptp4l401ktimersoftd/308:30:353
241512890,2sleep10-21swapper/113:12:311
6631997314,26cyclictest16025-21sh11:56:472
6631997014,27cyclictest18288-21sh11:24:462
6631997014,25cyclictest2731-21sh12:16:062
663199630,3cyclictest32177-21diskmemload13:51:312
6631996213,20cyclictest9724-21sh12:57:362
63042624,10sleep20-21swapper/208:31:242
64332594,10sleep10-21swapper/108:33:041
45482590,2sleep04551-21wc12:19:140
6631995711,22cyclictest31937-21sh11:05:472
663199552,42cyclictest27693-21apt-get12:09:262
6631994812,21cyclictest11280-21sh13:32:542
664099471,16cyclictest24447-21/usr/sbin/munin12:04:413
664099470,13cyclictest18047-21sed08:54:303
6631994712,21cyclictest3359-21sh10:36:582
6631994611,20cyclictest28000-21sh13:15:462
6631994611,20cyclictest28000-21sh13:15:462
644724628,8sleep00-21swapper/008:33:150
663199451,4cyclictest32177-21diskmemload13:42:362
663199423,30cyclictest24609-21apt-get10:59:252
663199422,36cyclictest32550-21head13:54:312
663199411,4cyclictest14867-21taskset11:22:152
663199393,27cyclictest21790-21apt-get09:04:212
106891390,1ptp4l401ktimersoftd/313:44:283
106891390,1ptp4l401ktimersoftd/312:59:093
106891390,1ptp4l401ktimersoftd/311:04:033
663199382,28cyclictest29064-21apt-get12:44:272
663199382,27cyclictest20727-21apt-get13:09:272
106891380,1ptp4l401ktimersoftd/312:19:453
106891380,1ptp4l401ktimersoftd/312:13:263
106891380,1ptp4l401ktimersoftd/312:02:333
106891380,1ptp4l401ktimersoftd/311:31:213
106891380,1ptp4l401ktimersoftd/311:31:213
106891380,1ptp4l401ktimersoftd/310:56:323
106891380,1ptp4l401ktimersoftd/309:44:223
106891380,1ptp4l401ktimersoftd/309:44:223
106891380,0ptp4l401ktimersoftd/312:37:173
663199373,26cyclictest15664-21apt-get09:59:202
663199372,29cyclictest14905-21apt-get10:49:232
663199372,28cyclictest19404-21apt-get08:59:222
663199372,28cyclictest12470-21apt-get13:34:282
6631993721,13cyclictest33-21ksoftirqd/210:18:432
663199370,4cyclictest5306-21tune2fs12:19:292
106891370,1ptp4l401ktimersoftd/314:01:403
106891370,1ptp4l401ktimersoftd/313:27:463
106891370,1ptp4l401ktimersoftd/313:16:263
106891370,1ptp4l401ktimersoftd/313:16:263
106891370,1ptp4l401ktimersoftd/313:01:523
106891370,1ptp4l401ktimersoftd/312:50:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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