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2025-05-13 - 03:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Tue May 13, 2025 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151790,0ktimers/0262111sleep19:06:030
1514760,0ktimers/0244031sleep21:30:220
1514600,0ktimers/086911sleep22:46:220
1514590,0ktimers/0115971sleep20:30:580
268429945034,0cyclictest2039-21aten_r3power_vo22:16:130
1514500,0ktimers/0149281sleep23:15:400
1514460,0ktimers/037921sleep19:55:230
1514440,0ktimers/0208921sleep23:41:560
1514400,0ktimers/0219711sleep23:46:520
1514260,0ktimers/0191991sleep21:05:580
1514260,0ktimers/0102801sleep20:25:190
268429942076,0cyclictest17258-21aten_r3power_vo23:26:130
268429941032,0cyclictest10646-21apt22:55:490
1514040,0ktimers/0293401sleep21:51:410
268429940229,0cyclictest5918-21chrt22:32:330
268429939931,0cyclictest14046-21awk23:11:170
268429939642,0cyclictest31267-21apt-get00:31:010
2684299396142,0cyclictest0-21swapper22:11:110
268429939530,0cyclictest19089-21cron23:35:170
268429938982,0cyclictest19587-21nfs_client23:36:370
2684299389125,0cyclictest0-21swapper00:26:060
268429938829,0cyclictest20778-21sed21:12:050
268429938729,0cyclictest3732-21runrttasks22:50:310
268429938668,0cyclictest31978-21mailstats19:35:330
268429938630,0cyclictest22901-21awk23:51:370
1513840,0ktimers/0273761sleep21:42:070
268429938364,0cyclictest12294-21cat23:02:010
1513820,0ktimers/0321821sleep22:05:430
268429938139,0cyclictest4400-21cat22:26:290
268429937935,0cyclictest31286-21chrt22:01:170
268429937928,0cyclictest28328-21awk00:16:370
268429937833,0cyclictest26303-21grep21:37:050
268429937752,0cyclictest28892-21awk19:21:090
2684299376108,0cyclictest0-21swapper20:55:290
2684299374108,0cyclictest2941-21mailstats22:20:360
268429937131,0cyclictest32504-21df_inode00:36:210
268429937130,0cyclictest11355-21cron20:30:170
268429937129,0cyclictest7171-21hostname20:10:370
530503700,0irq/11-sym53c8x130550irq/15-NE200000:25:180
268429937032,0cyclictest6588-21cut22:36:330
268429936832,0cyclictest0-21swapper23:20:530
268429936829,0cyclictest7292-21sendmail_mailtr22:40:330
268429936829,0cyclictest6123-21awk20:05:410
268429936829,0cyclictest31484-21ls19:31:530
268429936828,0cyclictest21642-21runrttasks21:16:340
268429936793,0cyclictest3433-21nscd21:01:280
268429936735,0cyclictest27081-21awk00:11:210
268429936731,0cyclictest9088-21chrt20:18:450
268429936630,0cyclictest4716-21chrt19:58:090
2684299366131,0cyclictest28073-21sort19:15:360
268429936541,0cyclictest14286-21sendmail_mailqu20:42:010
268429936540,0cyclictest3732-21runrttasks21:30:350
268429936530,0cyclictest15119-21chrt20:46:330
268429936529,0cyclictest27910-21cron19:15:170
268429936429,0cyclictest25682-21chrt00:05:250
268429936340,0cyclictest13532-21munin-run20:40:250
268429936330,0cyclictest28085-21munin-node19:40:290
268429936328,0cyclictest24925-21awk00:01:210
268429936328,0cyclictest24317-21wc23:57:090
268429936231,0cyclictest27767-21munin-node21:46:250
268429936229,0cyclictest3732-21runrttasks20:53:290
268429936132,0cyclictest29941-21sendmail_mailtr21:55:330
268429936086,0cyclictest29789-21chrt19:25:280
268429935928,0cyclictest23106-21timerwakeupswit21:22:090
2684299358124,0cyclictest4947-21munin-node20:01:310
268429935730,0cyclictest13418-21cut23:07:050
268429935729,0cyclictest1776-21ls19:45:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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