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2026-06-08 - 02:13
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Mon Jun 08, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19507224002168,178sleep00-21swapper19:02:340
198299910518,25cyclictest30555-21df22:05:540
198299910218,63cyclictest309-21memory23:46:340
198299910217,64cyclictest11356-21apt-get21:10:310
198299910217,48cyclictest19984-21apt-get21:35:320
198299910217,45cyclictest3608-21df_inode23:56:070
198299910214,65cyclictest5121-21/usr/sbin/munin00:00:450
198299910116,45cyclictest13542-21irqstats21:16:170
198299910115,22cyclictest28578-21apt-get22:00:330
198299910111,25cyclictest24967-21ssh23:23:470
198299910043,40cyclictest17133-21sh23:01:060
198299910032,52cyclictest18772-21memory21:31:270
198299910018,62cyclictest16408-21munin-run21:25:110
198299910017,20cyclictest20833-21ntp_states23:11:430
198299910015,64cyclictest12146-21memory22:46:330
198299910013,23cyclictest9935-21ssh22:40:380
19829999917,44cyclictest1828-21memory22:16:280
19829999916,60cyclictest30991-21irqstats23:41:250
19829999916,43cyclictest29166-21df_inode23:36:030
19829999914,44cyclictest13996-21irqstats00:26:210
19829999914,23cyclictest12839-21ssh00:22:160
19829999913,50cyclictest5072-21df_abs22:25:580
19829999912,25cyclictest25541-21cat21:51:160
19829999841,41cyclictest17772-21sh21:28:260
19829999826,63cyclictest0-21swapper22:37:060
19829999819,58cyclictest16655-21munin-run23:00:130
19829999815,23cyclictest15520-21df00:30:530
19829999814,64cyclictest1626-21sh23:50:430
19829999814,24cyclictest7024-21ssh00:06:040
19829999812,65cyclictest26881-21ssh21:55:310
1982999978,66cyclictest9559-21sort21:05:160
19829999716,20cyclictest27095-21apt-get23:30:300
19829999715,61cyclictest32349-21df_inode22:11:010
19829999712,65cyclictest3935-21ssh22:21:550
19829999617,60cyclictest8839-21irqstats00:11:220
19829999617,20cyclictest10013-21fw_conntrack21:06:130
19829999616,60cyclictest13671-21df_inode22:51:040
19829999616,19cyclictest29709-21df_inode19:55:470
19829999615,43cyclictest25753-21fw_conntrack23:26:130
19829999613,63cyclictest18748-21df23:05:530
19829999612,63cyclictest11333-21ssh00:18:190
19829999520,53cyclictest23971-21memory21:46:390
19829999518,60cyclictest25212-21fw_conntrack19:30:460
19829999516,58cyclictest7393-21users22:31:590
19829999510,27cyclictest27025-21fw_conntrack19:40:460
19829999414,59cyclictest5370-21df_inode20:40:430
19829999411,64cyclictest31877-21sort20:06:120
19829999311,61cyclictest22834-21unixbench_singl23:16:550
1982999929,63cyclictest21756-21ssh21:40:390
19829999224,56cyclictest0-21swapper21:00:090
19829999215,59cyclictest20727-21munin-run19:10:100
19829999215,26cyclictest7688-21munin-run20:55:100
19829999213,46cyclictest3886-21/usr/sbin/munin20:31:120
19829999212,43cyclictest24851-21grep19:30:120
19829999211,63cyclictest28595-21snmpd20:15:210
19829999126,48cyclictest0-21swapper20:35:400
19829999116,24cyclictest21721-21memory19:11:190
19829999040,34cyclictest2222-21unixbench_singl20:21:220
19829999029,28cyclictest0-21swapper20:46:080
19829999015,56cyclictest28522-21apt-get19:50:250
19829999011,42cyclictest31077-21unixbench_singl20:01:150
1982999888,61cyclictest27655-21aten_r5power_cu19:45:300
19829998817,23cyclictest2800-21memory20:26:010
19829998718,22cyclictest22447-21df19:15:390
19829998716,24cyclictest26243-21memory19:35:590
19829998713,21cyclictest464-21munin-run20:15:110
19829998520,42cyclictest23427-21fw_conntrack19:20:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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