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2026-03-28 - 06:51
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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 rack4slot2.osadl.org (updated Sat Mar 28, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73501980,0irq/45-4a10000031385-21kworker/0:019:04:130
7269910083,0cyclictest14308-21/usr/sbin/munin00:27:080
726999880,0cyclictest31212-21open_inodes23:42:030
726999879,0cyclictest21989-21aten_r4power_po20:06:250
726999678,0cyclictest20225-21/usr/sbin/munin20:02:160
726999578,0cyclictest2641-21users19:11:230
726999578,0cyclictest23675-21wget23:21:220
726999576,0cyclictest1201-21runrttasks23:50:300
726999375,0cyclictest9864-21munin-run22:41:140
726999375,0cyclictest27670-21memory23:31:570
726999374,0cyclictest5559-21ntp_states19:17:020
726999374,0cyclictest484-21runrttasks23:30:560
726999374,0cyclictest14007-21memory21:16:570
726999373,0cyclictest484-21runrttasks00:33:490
726999275,0cyclictest7599-21unixbench_singl20:57:110
726999273,0cyclictest29377-21meminfo23:36:510
726999273,0cyclictest18462-21wc23:06:170
726999175,0cyclictest15978-21/usr/sbin/munin19:47:070
726999174,0cyclictest8931-21ntp_kernel_pll_00:11:580
726999173,0cyclictest3738-21/usr/sbin/munin20:46:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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