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2025-03-14 - 07:50
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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 Fri Mar 14, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27272224990,14sleep026170-1kworker/u3:017:48:410
284069917722,26cyclictest5725-21apt-get20:58:370
284069917019,38cyclictest30815-21apt-get18:03:330
284069916914,131cyclictest30263-21df22:19:000
284069916820,25cyclictest4413-21fw_conntrack20:54:160
284069916813,132cyclictest17831-21/usr/sbin/munin21:40:070
284069916716,45cyclictest25619-21apt-get22:03:420
284069916617,25cyclictest5339-21apt-get22:43:380
284069916512,24cyclictest25404-21ssh22:02:570
284069916512,129cyclictest9717-21rm22:58:480
284069916421,25cyclictest10537-21irqstats21:14:220
284069916417,120cyclictest32060-21apt-get20:38:380
284069916413,128cyclictest16577-21ssh23:20:470
284069916319,38cyclictest1287-21apt-get20:43:360
284069916318,23cyclictest25207-21users20:14:590
284069916317,45cyclictest13839-21fw_conntrack21:24:160
284069916317,43cyclictest18231-21/usr/sbin/munin19:54:150
284069916218,34cyclictest8025-21ntp_states21:04:430
284069916212,26cyclictest22515-21df_abs21:54:020
284069916133,110cyclictest8648-21processes22:54:430
284069916133,109cyclictest19897-21apt-get19:58:330
284069916121,24cyclictest31967-21df22:24:020
284069916115,34cyclictest12240-21irqstats21:19:280
284069916114,36cyclictest17075-21users21:35:030
284069916114,26cyclictest19536-21ssh21:43:340
284069916031,108cyclictest0-21swapper21:30:030
284069916017,41cyclictest22104-21munin-run21:53:180
284069916015,44cyclictest7950-21cat22:53:220
284069916011,27cyclictest4065-21ssh22:39:230
28406991599,126cyclictest6467-21/usr/sbin/munin18:48:570
284069915945,24cyclictest28938-21missed_timers17:54:100
284069915917,24cyclictest26364-21fw_conntrack20:19:170
284069915916,25cyclictest3533-21ssh20:51:150
284069915916,24cyclictest28584-21df22:13:550
284069915914,27cyclictest11904-21ssh23:04:480
284069915912,24cyclictest31773-21ssh20:37:280
284069915839,21cyclictest3198-21sh22:36:400
284069915834,106cyclictest1245-21ssh22:30:130
284069915831,107cyclictest0-21swapper21:11:260
284069915815,25cyclictest14078-21/usr/sbin/munin23:13:480
284069915813,23cyclictest24147-21ssh20:13:080
284069915812,26cyclictest14403-21head19:29:210
284069915731,32cyclictest0-21swapper23:09:000
284069915714,45cyclictest7765-21/usr/sbin/munin18:54:080
284069915714,36cyclictest21917-21ssh20:04:060
284069915713,26cyclictest28288-21ssh20:24:450
284069915627,36cyclictest12668-21latency_hist19:23:160
284069915616,41cyclictest9068-21munin-run19:03:190
284069915612,25cyclictest29388-21ssh20:28:380
284069915610,25cyclictest27362-21ssh22:08:490
284069915521,28cyclictest4654-21/usr/sbin/munin18:39:290
284069915521,22cyclictest0-21swapper19:48:160
284069915520,21cyclictest30701-21munin-run18:03:170
284069915519,24cyclictest5861-21fw_conntrack18:43:550
284069915516,36cyclictest14736-21cat19:33:450
284069915431,20cyclictest15690-21grep19:38:470
284069915422,36cyclictest0-21swapper18:14:280
284069915412,26cyclictest9294-21aten_r5power_vo19:03:410
284069915411,25cyclictest4204-21ntpq18:34:120
284069915316,36cyclictest12992-21df19:23:450
284069915213,48cyclictest10077-21/usr/sbin/munin19:09:210
284069915213,26cyclictest1149-21cut18:18:420
284069915212,43cyclictest11054-21grep19:13:430
284069915212,29cyclictest3442-21awk18:29:170
284069915212,25cyclictest32208-21/usr/sbin/munin18:09:140
284069915118,24cyclictest17283-21apt-get19:48:340
284069915016,25cyclictest1971-21apt-get18:23:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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