You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-16 - 10:36
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack3slot6.osadl.org (updated Tue Sep 16, 2025 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14067210016,38sleep00-21swapper/019:08:180
286422910,6sleep0171rcuc/021:19:590
14420999073,11cyclictest26-21ksoftirqd/123:40:131
14420998641,39cyclictest0-21swapper/120:30:121
180082840,6chrt0-21swapper/020:50:200
180082840,6chrt0-21swapper/020:50:190
14420998135,40cyclictest26-21ksoftirqd/121:05:431
1341228134,33sleep10-21swapper/119:05:281
14417997738,32cyclictest504-21snmpd00:02:030
14420997632,38cyclictest26-21ksoftirqd/100:20:491
14417997634,34cyclictest504-21snmpd00:37:120
14417997632,8cyclictest14-21ksoftirqd/019:55:200
287402750,8sleep10-21swapper/121:20:011
14417997430,16cyclictest14-21ksoftirqd/019:46:230
249322720,5sleep126-21ksoftirqd/122:40:191
14417997227,26cyclictest14-21ksoftirqd/000:32:110
1441799717,14cyclictest344-21appstreamcli20:00:050
14417997148,10cyclictest25327-21/usr/sbin/munin21:10:300
14420997040,17cyclictest0-21swapper/123:20:141
14420997037,19cyclictest0-21swapper/100:15:131
14420997026,38cyclictest26-21ksoftirqd/100:05:391
14417997026,31cyclictest14-21ksoftirqd/019:10:210
14417997022,13cyclictest14-21ksoftirqd/022:55:100
14417997020,20cyclictest14-21ksoftirqd/000:25:220
14417997020,12cyclictest14-21ksoftirqd/020:50:010
14420996925,39cyclictest26-21ksoftirqd/100:00:281
14417996938,15cyclictest24238-21/usr/sbin/munin00:10:270
14417996938,15cyclictest24238-21/usr/sbin/munin00:10:260
14420996848,10cyclictest26-21ksoftirqd/123:10:161
14420996840,19cyclictest26-21ksoftirqd/120:10:161
14420996840,18cyclictest0-21swapper/120:00:261
1441799686,53cyclictest11885-21apt-get23:35:150
14417996833,15cyclictest14-21ksoftirqd/000:05:360
14417996831,15cyclictest14-21ksoftirqd/020:10:370
14420996740,20cyclictest14410-21cyclictest19:20:151
14420996740,16cyclictest0-21swapper/119:45:121
14420996739,17cyclictest0-21swapper/123:15:131
14420996738,16cyclictest0-21swapper/123:25:161
14420996724,39cyclictest26-21ksoftirqd/121:55:231
14420996722,10cyclictest26-21ksoftirqd/123:50:291
14417996721,22cyclictest29667-21sensors_fan21:20:330
14420996639,16cyclictest0-21swapper/100:35:141
14420996638,18cyclictest0-21swapper/121:35:121
14420996637,19cyclictest26-21ksoftirqd/120:25:131
14417996635,27cyclictest14-21ksoftirqd/023:00:180
1441799663,42cyclictest13181-21ntp_states22:05:300
14417996634,27cyclictest14-21ksoftirqd/019:40:330
14417996630,8cyclictest14-21ksoftirqd/022:50:020
14417996630,14cyclictest14-21ksoftirqd/019:50:330
14417996625,19cyclictest0-21swapper/021:25:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional