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2025-09-15 - 14:24
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Mon Sep 15, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
840825990,5sleep08404-21tune2fs07:07:490
97799915514,46cyclictest14278-21users10:43:280
1206921050,4sleep012068-21sh07:18:110
25176210114,15sleep024522-21munin-node09:38:170
492229914,15sleep04928-21munin-plugin-st08:37:290
1977429914,17sleep019829-21aten_r4power_po11:02:440
1882329914,17sleep018852-21timerwakeupswit07:38:270
1807929915,16sleep018119-21cut09:17:420
126729914,16sleep01274-21unixbench_singl11:43:280
1002629915,15sleep00-21swapper07:12:520
779429814,15sleep03217-21snmpd08:44:220
769929814,16sleep07720-21cat10:23:330
261829814,15sleep02619-21ntpq11:48:160
9779999715,73cyclictest13463-21tune2fs09:02:520
341029714,16sleep03434-21cat10:12:300
1467129714,70sleep014672-21munin-node07:27:430
2171129513,16sleep021714-21iostat_ios09:28:010
9779999433,52cyclictest3314-21lldpd09:22:420
9779999416,68cyclictest27962-21hostname11:27:430
9779999415,69cyclictest24825-21interrupts07:57:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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