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2026-07-18 - 19:21
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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 20 highest latencies:
System rack7slot3.osadl.org (updated Sat Jul 18, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21998236423sleep21999-21ping07:03:050
2304399265134cyclictest16828-21netwatch11:19:180
2304399262128cyclictest30819-21ntp_kernel_pll_10:00:090
2304399259132cyclictest16085-21sh11:16:040
2304399257130cyclictest5427-21runrttasks08:10:170
2304399256125cyclictest18467-21df_inode09:08:390
2304399255125cyclictest22097-21fschecks_count09:23:580
2304399253122cyclictest20930-21fschecks_count09:19:020
2304399251119cyclictest2917-21chrt07:59:480
2304399250123cyclictest18656-21ssh11:27:570
2304399249124cyclictest8405-21ssh10:42:540
2304399249123cyclictest28557-21ssh09:50:480
2304399248121cyclictest22353-21fschecks_count11:43:520
2304399248120cyclictest28257-21irqstats12:09:320
2304399247127cyclictest31950-21wc10:05:000
2304399246122cyclictest27217-21diskmemload12:04:460
2304399246121cyclictest3582-1kworker/0:1H11:34:450
230439924482cyclictest7157-21runrttasks10:37:360
2304399244131cyclictest23041-21cyclictest09:28:500
2304399243121cyclictest3582-1kworker/0:1H11:03:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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