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2026-04-30 - 10:33
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 792 highest latencies:
System rack5slot7.osadl.org (updated Thu Apr 30, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4883224110,13sleep04240-1kworker/u3:019:02:330
59049911133,63cyclictest0-21swapper00:23:350
59049911030,51cyclictest0-21swapper00:04:370
59049910821,64cyclictest18321-21/usr/sbin/munin00:18:550
59049910517,25cyclictest29343-21df21:12:450
59049910415,67cyclictest1786-21ssh21:27:100
59049910320,45cyclictest20183-21df22:27:460
59049910316,65cyclictest7296-21df_inode21:42:520
59049910315,45cyclictest19312-21sh22:24:410
59049910217,47cyclictest15871-21munin-run22:12:020
59049910212,25cyclictest3668-21wget21:32:360
59049910134,33cyclictest0-21swapper21:53:270
59049910114,66cyclictest27112-21sshd22:52:050
59049910113,25cyclictest23039-21df22:37:490
59049910111,67cyclictest16459-21ssh22:14:320
59049910015,21cyclictest16121-21ntp_states00:08:340
59049910010,67cyclictest13725-21ssh22:04:520
5904999916,22cyclictest21373-21df00:27:450
5904999915,60cyclictest6894-21munin-node19:12:090
5904999914,48cyclictest12625-21ssh21:59:540
5904999913,23cyclictest8659-21ssh21:47:110
5904999910,69cyclictest32634-21wget21:22:330
5904999817,59cyclictest13175-21ssh23:58:180
5904999815,63cyclictest1322-21munin-run23:17:000
5904999814,63cyclictest26417-21cat21:02:050
5904999814,45cyclictest17549-21/usr/sbin/munin22:18:120
5904999812,24cyclictest4875-21ssh23:28:270
5904999812,23cyclictest31640-21sh23:08:190
5904999810,26cyclictest27746-21ssh22:54:500
590499979,48cyclictest9699-21ssh23:46:430
590499978,28cyclictest27911-21ssh21:08:260
5904999724,55cyclictest0-21swapper19:32:200
5904999717,43cyclictest5689-21irqstats21:38:140
5904999717,42cyclictest22841-21ssh00:32:200
5904999714,62cyclictest28785-21ssh22:58:140
5904999714,60cyclictest7371-21df23:37:460
5904999710,50cyclictest17675-21grep20:12:310
590499969,47cyclictest1751-21ssh23:17:480
5904999626,60cyclictest0-21swapper23:55:160
5904999611,64cyclictest32142-21ssh21:20:410
590499959,66cyclictest1690-21snmpd22:33:320
5904999534,27cyclictest0-21swapper22:45:510
5904999532,45cyclictest17296-21sshd20:09:050
5904999526,50cyclictest0-21swapper23:25:200
5904999515,40cyclictest12326-21fw_conntrack19:42:390
5904999512,61cyclictest14848-21cut19:57:240
5904999511,63cyclictest1690-21snmpd23:33:010
5904999419,55cyclictest25421-21munin-run20:57:020
5904999412,44cyclictest27066-21sort21:03:040
5904999411,65cyclictest11716-21zcat19:38:020
5904999410,64cyclictest10033-21ssh23:47:350
5904999317,57cyclictest0-21swapper23:04:360
5904999316,58cyclictest0-21swapper20:27:510
5904999311,25cyclictest22159-21grep20:37:330
5904999310,45cyclictest15819-21wc20:02:280
5904999212,59cyclictest17913-21ssh00:15:420
5904999211,28cyclictest8064-21ps19:17:580
5904999016,25cyclictest24131-21memory20:47:490
5904999012,57cyclictest1690-21snmpd19:23:050
5904999011,24cyclictest19674-21sort20:22:520
5904998938,38cyclictest21239-21df20:32:330
5904998929,42cyclictest6992-21munin-node19:12:120
5904998911,43cyclictest18874-21wc20:18:000
5904998815,26cyclictest23296-21/usr/sbin/munin20:42:540
5904998813,25cyclictest14092-21df_inode19:52:340
5904998811,58cyclictest13362-21cat19:47:510
5904998612,26cyclictest9511-21ls19:27:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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