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2026-10-01 - 00:17
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Wed Sep 30, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140160ksoftirqd/023570-21kworker/0:106:54:360
14991200watchdog/02792-21runrttasks12:29:020
14991160watchdog/028876-21munin-node12:14:460
14991150watchdog/031816-21ntp_offset08:54:420
14991140watchdog/028967-21nfs_client10:29:500
14991140watchdog/020788-21irqstats11:49:340
14991140watchdog/01251-21cstates07:15:060
14991130watchdog/01305-21aten2.4_r3power10:44:580
279829811137cyclictest12251-21timerandwakeup11:20:020
14991110watchdog/08578-21df11:09:420
14991060watchdog/02792-21runrttasks11:26:100
14991060watchdog/016631-21nfs_client09:49:540
279829810540cyclictest3577-21munin-node07:24:380
279829810536cyclictest24658-21latency10:15:040
279829810442cyclictest8999-21nfs_client07:39:520
279829810441cyclictest2792-21runrttasks09:34:440
14991030watchdog/026675-21chrt08:37:500
279829810243cyclictest2723-21nfs_client10:49:520
279829810237cyclictest11982-21iostat07:49:470
279829810236cyclictest30000-21munin-node12:19:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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