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2026-03-22 - 09:28
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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 Sun Mar 22, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911810,5ptp4l401ktimersoftd/320:03:283
2323821790,5sleep31992299cyclictest00:25:313
1710921430,3sleep21991699cyclictest00:20:122
232782850,18sleep10-21swapper/120:10:191
106891790,1ptp4l401ktimersoftd/300:49:293
106891700,1ptp4l401ktimersoftd/323:35:143
30122680,6sleep13006-21fschecks_count00:05:261
118462650,4sleep31992299cyclictest01:20:273
196292645,10sleep00-21swapper/020:02:510
183632640,12sleep10-21swapper/120:00:251
271482600,5sleep01990599cyclictest23:24:370
106891580,1ptp4l401ktimersoftd/322:46:323
106891560,1ptp4l401ktimersoftd/301:04:173
7482550,5sleep31992299cyclictest01:09:313
196842550,2sleep20-21swapper/222:10:282
195942554,38sleep20-21swapper/220:02:252
75742540,4sleep341-21ksoftirqd/322:30:363
280912540,1sleep20-21swapper/201:04:082
1991699546,18cyclictest31545-21grep21:35:182
1991699545,13cyclictest3165-21/usr/sbin/munin23:00:312
19916995411,11cyclictest2907-21threads21:40:342
19916995411,11cyclictest2907-21threads21:40:342
19916995410,10cyclictest15340-21tr23:45:252
106891540,1ptp4l401ktimersoftd/322:04:153
106891530,1ptp4l401ktimersoftd/323:03:283
1991699525,13cyclictest1853-21ssh01:10:282
1991699516,17cyclictest29901-21/usr/sbin/munin00:00:322
1991699515,13cyclictest9228-21date23:39:042
1991699514,12cyclictest15911-21ssh23:12:202
1991699508,7cyclictest204342sh01:29:242
1991699507,12cyclictest17563-21/usr/sbin/munin21:05:252
106891490,2ptp4l1388-21kworker/3:223:16:353
106891480,0ptp4l401ktimersoftd/321:56:373
1991699474,13cyclictest23246-21grep20:10:192
106891470,1ptp4l401ktimersoftd/320:29:143
106891470,0ptp4l401ktimersoftd/322:57:433
1991699464,13cyclictest9457-21ssh23:05:322
1991699464,11cyclictest20102-21acpi20:05:172
1991699440,10cyclictest1474-21smartctl22:25:242
106891440,1ptp4l401ktimersoftd/321:30:143
106891430,1ptp4l401ktimersoftd/320:56:133
106891410,1ptp4l401ktimersoftd/321:10:283
106891400,2ptp4l9246-21kworker/3:023:44:003
106891400,1ptp4l401ktimersoftd/300:34:473
1991699399,12cyclictest5160-21/usr/sbin/munin00:40:292
106891390,1ptp4l401ktimersoftd/322:18:203
106891380,1ptp4l401ktimersoftd/323:48:283
106891380,1ptp4l401ktimersoftd/323:06:373
106891380,1ptp4l401ktimersoftd/301:27:493
106891380,1ptp4l401ktimersoftd/300:08:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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