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2025-12-10 - 18:44
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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 Dec 10, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2718721610,5sleep01217099cyclictest12:18:070
2047321480,5sleep11217699cyclictest08:42:451
1773911010,4ptp4l401ktimersoftd/308:25:323
290782700,2sleep20-21swapper/211:37:542
12176996810,20cyclictest2028-21latency10:17:531
1217699661,27cyclictest27360-21ssh11:36:381
1217699640,31cyclictest11237-21/usr/sbin/munin10:33:051
1217699640,28cyclictest13654-21proc_pri11:17:551
119832649,13sleep1241ktimersoftd/108:26:191
1217699630,31cyclictest1433-21/usr/sbin/munin13:07:561
1217699630,25cyclictest4654-21ssh13:12:431
1217699611,26cyclictest7133-21ssh13:53:351
47982600,2sleep04800-21latency_hist13:52:370
1217699601,25cyclictest32047-21taskset13:05:421
1217699591,24cyclictest26067-21taskset10:02:241
1217699590,32cyclictest11459-21ssh11:16:111
1217699590,26cyclictest18772-21taskset11:25:131
265462580,2sleep026549-21wc10:53:030
1217699580,24cyclictest31877-21sh12:25:131
1217699561,23cyclictest12389-21sh13:22:311
78742550,3sleep0101ktimersoftd/013:55:180
12186995512,8cyclictest41-21ksoftirqd/313:42:553
318092540,2sleep00-21swapper/013:45:020
1218699533,7cyclictest41-21ksoftirqd/311:45:203
1217699530,27cyclictest15711-21ps09:37:531
1217699530,20cyclictest1756-21ssh11:44:441
12186995219,8cyclictest41-21ksoftirqd/312:22:573
1217699520,24cyclictest15209-21sh13:24:401
204822510,2sleep220484-21rm10:47:032
1218699517,7cyclictest9321-21awk10:32:323
12186995123,4cyclictest41-21ksoftirqd/309:42:323
120642514,36sleep00-21swapper/008:27:230
1218699504,8cyclictest41-21ksoftirqd/308:42:303
1218699504,7cyclictest41-21ksoftirqd/311:02:503
1218699504,7cyclictest41-21ksoftirqd/311:02:503
12186995024,11cyclictest41-21ksoftirqd/313:37:493
1217699501,23cyclictest29467-21fschecks_count13:42:511
239802490,2sleep10-21swapper/108:48:031
208642490,2sleep10-21swapper/113:32:511
1218699494,7cyclictest23781-21ssh12:13:093
1218699492,8cyclictest41-21ksoftirqd/313:50:423
12186994922,8cyclictest41-21ksoftirqd/313:10:463
1217699490,24cyclictest5524-21diskmemload10:29:291
1217699490,23cyclictest5524-21diskmemload10:51:391
1218699487,7cyclictest41-21ksoftirqd/310:27:323
1218699486,9cyclictest41-21ksoftirqd/311:21:423
1218699486,8cyclictest41-21ksoftirqd/313:18:113
1218699486,7cyclictest41-21ksoftirqd/309:02:303
1218699486,6cyclictest18974-21munin-run09:47:313
1218699486,6cyclictest18510-21ssh12:07:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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