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2025-07-01 - 08:50
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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 highest latencies:
System rack5slot7.osadl.org (updated Tue Jul 01, 2025 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16947224440,11sleep015914-1kworker/u3:217:44:050
174269910530,46cyclictest0-21swapper21:35:080
174269910412,27cyclictest17602-21ssh20:22:330
174269910311,72cyclictest20125-21grep20:29:340
174269910216,65cyclictest11966-21ssh21:44:330
174269910214,40cyclictest21514-21memory20:34:200
174269910126,66cyclictest0-21swapper22:00:260
174269910117,22cyclictest19390-21munin-run22:08:010
174269910112,68cyclictest26065-21cpu20:48:420
174269910112,65cyclictest5323-21ls19:39:090
174269910023,59cyclictest0-21swapper20:42:000
174269910014,66cyclictest1619-21memory22:54:200
174269910014,54cyclictest0-21swapper21:25:130
174269910013,47cyclictest6570-21ssh21:28:360
174269910011,70cyclictest7567-21/usr/sbin/munin23:13:540
17426999917,62cyclictest6442-21irqstats23:09:080
17426999917,46cyclictest4307-21munin-run23:03:030
17426999917,23cyclictest28023-21fw_conntrack22:34:030
17426999914,63cyclictest15127-21ssh21:54:200
17426999912,47cyclictest26625-21ssh22:29:290
17426999912,26cyclictest24048-21ssh22:21:500
1742699989,25cyclictest24956-21proc_pri20:44:370
17426999818,20cyclictest29980-21/usr/sbin/munin22:39:330
17426999816,62cyclictest12836-21/usr/sbin/munin20:08:040
17426999816,23cyclictest14963-21fw_conntrack20:14:100
17426999814,44cyclictest13251-21df21:48:470
17426999813,65cyclictest28550-21ssh20:55:280
17426999813,22cyclictest32505-21ntp_states22:49:250
17426999811,23cyclictest10537-21ls21:39:400
17426999810,23cyclictest31885-21ssh21:05:550
1742699979,71cyclictest20539-21ssh22:10:220
1742699978,50cyclictest21724-21ntpq22:14:250
17426999729,57cyclictest0-21swapper21:01:560
17426999716,61cyclictest3563-21fw_conntrack21:19:050
17426999716,61cyclictest13318-21fw_conntrack20:08:580
17426999716,60cyclictest18090-21df20:23:470
17426999716,46cyclictest1531-21ssh21:13:090
17426999716,21cyclictest6892-21irqstats19:49:130
17426999715,23cyclictest24673-21df22:23:480
17426999713,25cyclictest18031-21awk17:49:010
17426999712,65cyclictest22272-21snmpd19:54:320
1742699969,27cyclictest29413-21awk18:54:020
17426999617,59cyclictest512-21ntp_states21:09:290
17426999615,61cyclictest10179-21ssh19:59:140
17426999611,25cyclictest31690-21ssh22:47:260
17426999512,46cyclictest18780-21munin-node17:53:240
17426999512,43cyclictest1496-21ntp_states19:19:000
17426999422,49cyclictest5328-21users23:04:420
17426999418,26cyclictest22547-21munin-run18:18:020
17426999410,24cyclictest2653-21grep19:24:090
1742699929,63cyclictest27158-21/usr/sbin/munin18:44:090
17426999222,26cyclictest28810-21users18:49:140
17426999211,63cyclictest19146-21cut17:58:300
17426999110,43cyclictest31770-21grep19:08:280
17426999030,43cyclictest0-21swapper19:33:300
17426999015,53cyclictest31059-21fw_conntrack19:03:450
17426999013,59cyclictest19958-21/usr/sbin/munin18:03:300
17426999011,29cyclictest3471-21/usr/sbin/munin19:29:050
17426998925,49cyclictest0-21swapper19:44:070
17426998920,25cyclictest25251-21munin-run18:33:020
17426998911,40cyclictest25684-21irqstats18:33:470
17426998911,21cyclictest552-21grep19:13:590
17426998831,38cyclictest30223-21kernelversion18:58:540
17426998816,23cyclictest26738-21ntp_states18:38:590
17426998810,58cyclictest24013-21grep18:23:550
17426998810,44cyclictest23533-21latency_hist18:23:070
17426998810,26cyclictest22272-21snmpd18:12:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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