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2024-04-20 - 04:50
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot8.osadl.org (updated Sat Apr 20, 2024 02:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11928212430,12sleep011919-21/usr/sbin/munin19:10:040
119719917732,125cyclictest16417-21munin-run23:30:070
119719917642,115cyclictest10250irq/56-4a10000022:01:250
11971991687,19cyclictest19816-21apt-get19:42:110
11971991677,139cyclictest27776-21sshd22:09:510
119719916644,103cyclictest10250irq/56-4a10000023:53:240
11971991659,23cyclictest8169-21snmpd21:18:250
11971991647,18cyclictest23718-21nodejs21:54:080
119719916410,22cyclictest7576-21nodejs20:55:020
11971991638,22cyclictest1674-21nodejs22:33:180
11971991638,17cyclictest10150irq/55-4a10000021:35:220
119719916322,129cyclictest12854-21nodejs19:12:350
119719916310,18cyclictest24436-21ntp_states21:56:210
119719916212,128cyclictest28956-21nodejs00:15:540
11971991619,18cyclictest15683-21latency_hist21:25:120
11971991618,24cyclictest28338-21nodejs20:10:430
11971991618,15cyclictest25100-21nodejs19:58:280
11971991618,129cyclictest762-21systemd-journal22:18:090
119719916137,113cyclictest26110-21aten_r7power_en00:05:150
119719916130,112cyclictest802-21dbus-daemon20:08:040
119719916126,116cyclictest1436-21nginx23:14:010
11971991609,16cyclictest14734-21nodejs19:21:030
11971991608,18cyclictest23447-21nodejs23:55:190
119719916074,67cyclictest101ktimersoftd/022:59:590
11971991607,18cyclictest15685-21apt-get21:29:330
119719916036,113cyclictest19169-21sshd23:38:510
119719916029,111cyclictest5465-21runrttasks20:45:410
119719916025,115cyclictest8169-21snmpd19:28:190
119719916023,121cyclictest2524-21runrttasks00:38:420
119719916021,16cyclictest10250irq/56-4a10000020:58:580
11971991599,17cyclictest9831-21nodejs23:05:140
11971991599,17cyclictest4976-21fw_conntrack22:45:440
11971991597,20cyclictest21435-21nodejs19:45:470
119719915950,97cyclictest13773-21/usr/sbin/munin19:16:110
11971991588,19cyclictest30425-21nodejs20:18:570
119719915839,106cyclictest1436-21nginx22:53:250
119719915834,113cyclictest21005-21nodejs23:46:230
11971991578,17cyclictest28159-21nodejs22:11:310
11971991578,17cyclictest10993-21ntp_states21:06:150
11971991577,19cyclictest27819-21ntp_states00:11:170
119719915739,108cyclictest17493-21nodejs23:32:590
119719915735,110cyclictest4781-21sshd20:44:520
11971991567,14cyclictest407-21nodejs20:27:410
119719915650,95cyclictest937-21runrttasks00:31:550
119719915640,103cyclictest20444-21nodejs23:43:510
119719915632,112cyclictest18062-21nodejs19:32:020
119719915630,113cyclictest9004-21nodejs23:01:240
119719915623,121cyclictest2098-21nodejs20:34:460
119719915610,19cyclictest2623-21irqstats20:36:000
11971991559,17cyclictest24610-21nodejs00:01:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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