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2025-12-07 - 03:50
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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 50 highest latencies:
System rack5slot7.osadl.org (updated Sun Dec 07, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27757225240,12sleep021253-1kworker/u3:417:35:250
290949917121,28cyclictest13840-21irqstats21:06:200
290949917121,25cyclictest5310-21apt-get20:40:370
290949916916,131cyclictest8867-21df_inode20:50:590
290949916733,113cyclictest26198-21sh21:44:280
290949916718,40cyclictest3839-21apt-get22:15:350
290949916634,20cyclictest7534-21open_files20:46:410
290949916526,37cyclictest9149-21sh22:31:090
290949916513,25cyclictest28628-21memory21:51:300
290949916441,22cyclictest21266-21sh19:49:490
290949916419,29cyclictest922-21fw_conntrack22:06:120
290949916418,23cyclictest11798-21apt-get21:00:340
290949916417,38cyclictest31621-21df22:00:510
290949916414,23cyclictest2046-21apt-get20:30:360
290949916410,51cyclictest11184-21switchtime22:36:480
290949916319,66cyclictest0-21swapper21:59:350
290949916317,38cyclictest29879-21df20:15:540
290949916316,26cyclictest14304-21ntp_states22:46:390
290949916235,22cyclictest17434-21memory22:56:250
290949916218,40cyclictest2227-21apt-get22:10:330
290949916217,40cyclictest23121-21apt-get19:55:320
290949916210,27cyclictest21185-21ssh23:08:140
29094991619,40cyclictest15401-21aten_r5power_cu22:50:420
290949916135,31cyclictest0-21swapper21:38:250
290949916120,36cyclictest28444-21irqstats20:11:250
290949916118,38cyclictest5182-21munin-run20:40:160
290949916034,34cyclictest26605-21expr20:05:550
290949916020,26cyclictest18453-21apt-get23:00:300
290949916017,37cyclictest5454-21apt-get22:20:320
29094991599,64cyclictest17065-21sed19:31:210
290949915933,29cyclictest0-21swapper21:23:060
290949915916,23cyclictest21487-21apt-get19:50:330
290949915915,40cyclictest18500-21df_inode19:41:070
290949915913,47cyclictest6824-21missed_timers18:36:050
290949915913,40cyclictest491-21aten_r5power_vo20:25:450
290949915911,24cyclictest4800-21sed18:25:450
290949915819,24cyclictest21606-21apt-get21:30:340
290949915817,24cyclictest8023-21users22:26:550
290949915816,24cyclictest10772-21users18:56:220
290949915812,61cyclictest27975-21munin-run21:50:130
290949915811,23cyclictest31859-21awk20:21:380
290949915725,32cyclictest0-21swapper21:27:450
290949915712,38cyclictest17177-21ssh21:16:240
290949915712,28cyclictest8010-21grep18:41:220
29094991569,43cyclictest30022-21munin-node17:45:150
290949915638,21cyclictest13548-21latency_hist19:15:150
290949915618,26cyclictest15567-21memory21:11:320
290949915616,37cyclictest25015-21df20:01:000
290949915613,28cyclictest11679-21ssh21:00:130
290949915534,20cyclictest12056-21/usr/sbin/munin22:40:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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