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2025-11-08 - 05:02
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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 all highest latencies:
System rack5slot7.osadl.org (updated Sat Nov 08, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15391226270,11sleep07997-1kworker/u3:517:37:510
158449910642,47cyclictest5942-21cstates19:42:220
158449910535,52cyclictest24779-21fw_conntrack22:17:350
158449910414,24cyclictest31912-21users22:38:240
158449910212,29cyclictest18684-21ssh20:20:130
158449910115,65cyclictest25775-21apt-get20:41:570
158449910114,66cyclictest3786-21grep21:12:530
158449910017,45cyclictest6582-21apt-get21:22:010
158449910016,24cyclictest21025-21/usr/sbin/munin22:06:410
158449910016,23cyclictest31133-21df_inode20:57:280
158449910014,25cyclictest9045-21apt-get19:51:590
158449910012,63cyclictest8269-21aten_r5power_cu21:27:070
158449910012,25cyclictest4882-21ssh22:55:550
15844999933,49cyclictest0-21swapper22:46:310
15844999917,64cyclictest15997-21df20:12:190
15844999917,21cyclictest13456-21irqstats21:42:460
15844999916,22cyclictest11151-21irqstats19:57:490
15844999913,67cyclictest7007-21df23:02:190
15844999913,24cyclictest6323-21ssh22:59:520
15844999911,26cyclictest13306-21ssh20:03:280
1584499989,24cyclictest22896-21rm22:12:100
15844999818,59cyclictest15159-21memory21:47:560
15844999818,22cyclictest10197-21df_inode21:32:310
15844999817,19cyclictest5210-21df21:17:260
15844999815,45cyclictest18307-21fw_conntrack21:57:450
15844999813,24cyclictest27936-21df22:27:240
15844999810,26cyclictest22228-21ssh22:09:190
1584499979,68cyclictest30817-21ssh22:36:250
15844999716,61cyclictest22202-21irqstats18:12:270
15844999715,63cyclictest14570-21memory20:07:590
15844999713,64cyclictest26506-21sort22:22:530
15844999711,46cyclictest28208-21cut18:47:010
1584499968,68cyclictest21785-21snmpd19:03:150
15844999641,23cyclictest16864-21missed_timers21:53:070
15844999617,61cyclictest8768-21irqstats23:07:420
15844999615,60cyclictest29389-21df20:52:180
15844999615,45cyclictest27949-21memory20:47:540
15844999614,61cyclictest2738-21head22:48:210
15844999614,22cyclictest24107-21apt-get20:36:560
15844999613,45cyclictest19166-21ssh20:22:100
15844999516,48cyclictest0-21swapper21:39:210
15844999515,61cyclictest22865-21irqstats20:32:460
15844999513,59cyclictest2977-21ssh21:10:420
15844999513,44cyclictest21709-21ssh20:28:330
15844999513,23cyclictest7791-21irqstats19:47:470
15844999512,63cyclictest32600-21ssh21:02:140
15844999416,58cyclictest25739-21df_inode18:32:150
15844999317,57cyclictest1401-21df_inode19:17:150
15844999317,26cyclictest24130-21ntp_states18:22:370
15844999312,60cyclictest16881-21chmod17:46:430
15844999220,34cyclictest17738-21memory17:47:490
15844999213,44cyclictest27255-21/usr/sbin/munin18:42:310
15844999211,22cyclictest21692-21grep18:07:430
15844999116,58cyclictest0-21swapper19:07:300
15844999111,58cyclictest2880-21wc19:26:420
15844999110,25cyclictest5139-21sort19:37:230
15844999017,24cyclictest18663-21memory17:52:300
15844999016,28cyclictest24613-21/usr/sbin/munin18:27:010
15844999013,61cyclictest26776-21memory18:37:310
15844999010,60cyclictest30040-21cut18:57:000
15844998916,23cyclictest3221-21fw_conntrack19:27:160
15844998915,27cyclictest4352-21/usr/sbin/munin19:32:370
15844998834,35cyclictest23396-21switchtime18:17:400
15844998813,57cyclictest19682-21wc17:57:370
15844998713,31cyclictest867-21grep19:12:420
1584499869,21cyclictest29080-21/usr/sbin/munin18:52:380
15844998646,25cyclictest20386-21irqstats18:02:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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