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2026-04-18 - 01:25
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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 Fri Apr 17, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78339911531,73cyclictest16725-21sendmail_mailst07:43:000
78339911331,44cyclictest32361-21munin-node08:32:300
78339911230,71cyclictest3254-21munin-node10:22:280
78339911132,68cyclictest17752-21crond12:47:160
6544211117,75sleep04067-40yum-updatesd07:12:340
78339911031,69cyclictest20932-21aten_r4power_cu09:37:260
78339910929,70cyclictest19712-40yum-updatesd-he11:12:530
78339910828,70cyclictest15077-21ntpq09:17:560
78339910826,71cyclictest19195-21munin-node07:52:230
78339910825,73cyclictest18321-21sh09:27:560
78339910729,68cyclictest22634-21munin-node11:22:250
78339910621,75cyclictest3027-21munin-node08:42:270
78339910526,69cyclictest9819-21chrt07:22:370
78339910523,73cyclictest3568-21runrttasks11:02:460
78339910429,37cyclictest24389-21fschecks_time08:07:360
78339910323,71cyclictest3568-21runrttasks12:28:380
78339910126,37cyclictest29687-21awk10:03:020
78339910125,67cyclictest4886-21aten_r4power_cu12:07:250
78339910125,66cyclictest27697-21fschecks_time09:57:350
78339910027,64cyclictest18113-21munin-node11:07:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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