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2026-04-06 - 08:04
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot4.osadl.org (updated Mon Apr 06, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3097699822,74cyclictest5644-21latency_hist20:43:362
3097699745,62cyclictest0-21swapper/223:03:122
3097699732,65cyclictest19772-21/usr/sbin/munin19:04:082
3097699715,59cyclictest0-21swapper/223:18:522
3097699714,61cyclictest0-21swapper/222:45:532
3097699714,61cyclictest0-21swapper/222:45:532
3097699702,61cyclictest7956-21/usr/sbin/munin19:58:542
3097699702,61cyclictest12276-21/usr/sbin/munin18:44:012
3097699702,32cyclictest31435-21ntp_kernel_err20:33:582
3097699692,61cyclictest398-21/usr/sbin/munin19:38:532
3097699692,61cyclictest23511-21/usr/sbin/munin19:14:012
3097699692,61cyclictest23511-21/usr/sbin/munin19:14:012
3097699692,60cyclictest23290-21/usr/sbin/munin23:13:552
3097699689,53cyclictest20587-21timerandwakeup20:19:062
3097699686,56cyclictest0-21swapper/222:49:042
3097699683,59cyclictest9588-21perl22:13:482
3097699683,59cyclictest7270-21/usr/sbin/munin22:54:062
3097699682,60cyclictest4217-21/usr/sbin/munin19:48:552
3097699682,59cyclictest4800-21/usr/sbin/munin18:23:502
3097699672,59cyclictest32219-21latency_hist21:18:362
3097699672,59cyclictest32219-21latency_hist21:18:362
3097699672,59cyclictest2932-21/usr/sbin/munin18:19:052
3097699672,59cyclictest17886-21/usr/sbin/munin18:59:032
3097699672,59cyclictest17404-21irqstats22:23:522
3097699672,58cyclictest8535-21/usr/sbin/munin18:34:112
3097699672,58cyclictest16013-21/usr/sbin/munin18:54:032
3097699672,32cyclictest27362-21ssh21:11:402
3097699669,51cyclictest0-21swapper/220:49:212
3097699668,53cyclictest0-21swapper/221:23:232
3097699668,25cyclictest0-21swapper/220:15:212
3097699666,54cyclictest0-21swapper/223:33:012
3097699663,57cyclictest22596-21ssh21:04:352
3097699663,56cyclictest30728-21memory23:23:532
3097699663,34cyclictest10404-21/usr/sbin/munin18:39:102
3097699662,58cyclictest9832-21/usr/sbin/munin20:03:532
3097699662,58cyclictest25378-21/usr/sbin/munin19:19:082
3097699662,58cyclictest25378-21/usr/sbin/munin19:19:082
3097699662,30cyclictest1063-21/usr/sbin/munin18:14:052
30976996611,49cyclictest0-21swapper/220:12:442
30976996611,23cyclictest0-21swapper/223:35:562
3097699655,54cyclictest0-21swapper/220:57:202
3097699653,57cyclictest6460-21latency20:43:562
3097699653,57cyclictest18649-21ssh20:59:172
3097699653,28cyclictest441-21ssh22:01:472
3097699653,28cyclictest24508-21ssh21:50:062
3097699652,58cyclictest6078-21/usr/sbin/munin19:54:012
3097699652,58cyclictest11493-21diskmemload23:07:112
3097699652,58cyclictest11493-21diskmemload23:07:112
3097699652,57cyclictest6669-21/usr/sbin/munin18:29:032
3097699652,57cyclictest30800-21ssh22:41:292
3097699652,57cyclictest27697-21/usr/sbin/munin20:28:592
3097699652,57cyclictest27697-21/usr/sbin/munin20:28:592
3097699652,57cyclictest23319-21ssh22:31:452
3097699652,57cyclictest19599-21proc_pri23:09:002
3097699652,56cyclictest31581-21/usr/sbin/munin18:08:592
3097699652,56cyclictest14145-21/usr/sbin/munin18:49:042
3097699652,30cyclictest31652-21missed_timers19:34:002
30976996511,22cyclictest0-21swapper/222:09:072
30976996510,24cyclictest0-21swapper/221:54:492
3097699645,53cyclictest0-21swapper/221:45:462
3097699645,27cyclictest0-21swapper/221:39:592
3097699643,55cyclictest4686-21/usr/sbin/munin21:23:592
3097699643,55cyclictest3057-21ssh22:04:072
3097699642,56cyclictest7484-21ssh21:28:442
3097699642,56cyclictest29118-21/usr/sbin/munin19:29:062
3097699642,56cyclictest21644-21/usr/sbin/munin19:08:502
3097699642,56cyclictest13051-21/usr/sbin/munin22:18:442
30976996410,48cyclictest0-21swapper/222:35:472
30976996410,23cyclictest0-21swapper/221:36:152
3097699641,58cyclictest24963-21ssh20:25:032
30981996319,38cyclictest7270-21/usr/sbin/munin22:53:543
3067726312,17sleep10-21swapper/118:08:011
30981996217,39cyclictest30060-21/usr/sbin/munin23:23:453
3097699623,54cyclictest2340-21/usr/sbin/munin19:43:522
3097699614,51cyclictest0-21swapper/219:23:502
3097099604,50cyclictest0-21swapper/122:59:161
30981995919,34cyclictest19852-21smart_sda21:44:003
30981995717,13cyclictest26410-21/usr/sbin/munin21:53:563
30981995713,39cyclictest18222-21switchtime20:59:063
30981995713,38cyclictest0-21swapper/322:00:413
3097099574,46cyclictest0-21swapper/121:23:351
30981995618,32cyclictest8914-21ssh21:29:083
30981995617,34cyclictest11493-21diskmemload20:21:513
30981995617,33cyclictest13835-21ssh20:10:303
30981995616,34cyclictest7073-21ssh23:34:553
3097099564,45cyclictest0-21swapper/123:19:521
30981995514,35cyclictest0-21swapper/320:46:063
3097099554,6cyclictest0-21swapper/121:10:351
3097099554,46cyclictest0-21swapper/121:59:391
3097099552,7cyclictest554-21dbus-daemon22:08:341
3097099545,23cyclictest0-21swapper/123:16:031
3097099544,44cyclictest0-21swapper/123:31:321
3097099534,6cyclictest0-21swapper/122:48:411
3097099534,6cyclictest0-21swapper/122:37:431
3097099534,43cyclictest0-21swapper/123:27:261
3097099532,7cyclictest2953-21ssh22:48:031
3097099532,7cyclictest2953-21ssh22:48:031
3097099524,6cyclictest0-21swapper/123:04:421
3097099524,6cyclictest0-21swapper/123:04:421
3097099523,44cyclictest0-21swapper/121:44:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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