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2025-11-29 - 23:10
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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 rack2slot7.osadl.org (updated Sat Nov 29, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60120899475,11cyclictest0-21swapper/210:16:052
60120699455,23cyclictest739224-21ssh11:14:390
60120699454,37cyclictest151ktimers/012:31:120
60120699401,7cyclictest0-21swapper/007:16:040
601206993814,4cyclictest11050irq/107-eth%d12:23:110
60120699380,36cyclictest731867-21sendmail-msp11:10:330
60120899379,22cyclictest967-21snmpd07:56:372
60120699372,4cyclictest0-21swapper/010:23:040
60120699361,30cyclictest0-21swapper/012:08:120
601206993422,9cyclictest703468-21cat10:31:040
60120699341,29cyclictest0-21swapper/010:07:570
60120699340,7cyclictest712663-21aten_r2power_en10:43:020
60120899331,10cyclictest171rcu_preempt12:08:122
60120799333,15cyclictest1008-21mta-sts-daemon12:31:051
60120699332,22cyclictest648004-21grep09:23:040
601207993223,6cyclictest1008-21mta-sts-daemon10:03:081
60120699324,21cyclictest687224-21ssh10:11:390
601206993122,3cyclictest0-21swapper/009:15:070
601208992914,7cyclictest111788-21systemd-journal11:08:102
601207992912,13cyclictest111788-21systemd-journal08:32:221
60120699291,26cyclictest720901-21/usr/sbin/munin10:53:110
601207992819,5cyclictest0-21swapper/112:15:051
601207992819,5cyclictest0-21swapper/112:15:051
601206992819,7cyclictest0-21swapper/009:28:140
601207992719,5cyclictest731867-21sendmail-msp11:14:391
60120899266,5cyclictest0-21swapper/208:33:092
60120799263,18cyclictest764878-21sendmail-msp11:48:181
60120699263,5cyclictest770453-21tune2fs11:53:040
60120699263,5cyclictest770453-21tune2fs11:53:040
60120899253,12cyclictest654416-21latency_hist09:31:062
60120799256,16cyclictest742019-21ntpq11:18:101
60120799253,13cyclictest816435-21ssh12:41:051
601207992510,10cyclictest1006-21mta-sts-daemon11:51:471
601207992510,10cyclictest1006-21mta-sts-daemon11:51:471
60120699254,16cyclictest767069-21ntpq11:48:180
60120699252,13cyclictest748502-21apt-config11:26:050
601206992521,3cyclictest0-21swapper/012:38:080
601206992520,4cyclictest725418-21gltestperf10:58:050
601206992515,1cyclictest0-21swapper/010:02:070
60120699250,20cyclictest618380-21sendmail-msp08:08:130
60120899246,6cyclictest11050irq/107-eth%d09:38:092
60120899243,3cyclictest171rcu_preempt10:09:502
60120799245,15cyclictest111788-21systemd-journal10:13:471
601207992412,8cyclictest611562-21apt-key07:46:051
60120699243,19cyclictest650258-21sendmail-msp09:35:270
60120699243,16cyclictest781994-21sendmail-msp12:13:120
60120699243,16cyclictest781994-21sendmail-msp12:13:120
60120699242,15cyclictest0-21swapper/009:43:390
60120899235,15cyclictest676236-21ntpq09:58:122
60120899232,15cyclictest762-21in:imuxsock12:13:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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