You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-17 - 05:32
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
Characteristics of the 50 highest latencies:
System rack1slot1.osadl.org (updated Mon Nov 17, 2025 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66022212174,24sleep30-21swapper/319:09:463
63122203164,26sleep10-21swapper/119:06:001
63872200160,26sleep00-21swapper/019:06:570
63652199162,24sleep20-21swapper/219:06:422
125232690,0sleep10-21swapper/121:25:221
286902560,0sleep20-21swapper/222:33:402
249322160,0sleep10-21swapper/122:28:031
81592140,0sleep20-21swapper/221:20:192
669699143,5cyclictest11043-21perf20:24:590
670799130,13cyclictest0-21swapper/222:25:102
670799130,13cyclictest0-21swapper/221:51:322
6707991211,1cyclictest28-21ksoftirqd/221:50:012
670799120,0cyclictest0-21swapper/222:13:592
670799120,0cyclictest0-21swapper/221:17:572
6696991211,1cyclictest9-21ksoftirqd/000:35:000
6696991211,1cyclictest9-21ksoftirqd/000:35:000
151572120,0sleep10-21swapper/122:15:131
671399119,1cyclictest32251-21diskmemload21:15:033
670799119,1cyclictest28-21ksoftirqd/220:55:012
6707991110,1cyclictest28-21ksoftirqd/219:55:002
6707991110,1cyclictest15243-21ssh23:00:102
669699113,4cyclictest32515-21perf21:54:590
63982110,0sleep10-21swapper/123:31:401
671399108,1cyclictest35-21ksoftirqd/320:50:013
671399108,1cyclictest35-21ksoftirqd/319:16:453
670799109,1cyclictest28-21ksoftirqd/221:25:232
670799104,5cyclictest9074-21munin-node22:35:362
670799100,9cyclictest9074-21munin-node23:33:442
670799100,0cyclictest0-21swapper/222:00:262
669699109,1cyclictest9-21ksoftirqd/023:25:150
669699109,1cyclictest9-21ksoftirqd/022:15:000
669699108,1cyclictest9-21ksoftirqd/023:05:190
669699108,1cyclictest9-21ksoftirqd/000:25:140
669699100,2cyclictest0-21swapper/023:50:170
67139998,1cyclictest35-21ksoftirqd/322:15:003
67139998,1cyclictest35-21ksoftirqd/319:55:003
67079999,0cyclictest28-21ksoftirqd/200:10:242
67079997,1cyclictest28-21ksoftirqd/220:05:012
66969998,1cyclictest9-21ksoftirqd/023:15:000
66969998,1cyclictest9-21ksoftirqd/023:05:000
66969998,1cyclictest9-21ksoftirqd/022:20:130
66969998,1cyclictest9-21ksoftirqd/022:20:130
66969997,1cyclictest9-21ksoftirqd/022:25:140
66969994,4cyclictest566-21nscd21:46:510
66969992,4cyclictest25860-21apt-get22:30:150
66969990,4cyclictest11064-21/usr/sbin/munin00:25:010
66969990,4cyclictest11064-21/usr/sbin/munin00:25:000
67139987,1cyclictest19110-21snmpd23:09:233
67139986,1cyclictest8715-21cat00:20:203
67139986,1cyclictest8715-21cat00:20:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional