You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-17 - 01:58
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 Tue Jun 17, 2025 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156842228157,56sleep00-21swapper/019:06:320
156302201162,27sleep10-21swapper/119:05:491
138452201161,27sleep20-21swapper/219:05:102
156572198161,24sleep30-21swapper/319:06:113
240882160,0sleep00-21swapper/022:50:210
1605099160,15cyclictest0-21swapper/120:10:201
1605699140,13cyclictest0-21swapper/222:15:152
1605699140,1cyclictest2934-21expr20:55:142
1605099130,12cyclictest0-21swapper/119:25:161
1604699133,5cyclictest8595-21latency_hist23:15:000
16046991210,1cyclictest9-21ksoftirqd/020:50:010
16046991210,1cyclictest9-21ksoftirqd/020:50:000
1604699120,12cyclictest0-21swapper/022:25:160
195462110,0sleep30-21swapper/323:28:173
16056991110,1cyclictest28-21ksoftirqd/219:30:002
16046991111,0cyclictest0-21swapper/020:15:010
16046991110,1cyclictest9-21ksoftirqd/000:06:300
1604699110,10cyclictest0-21swapper/021:25:220
1606499102,3cyclictest9496-21expr23:15:143
16064991010,0cyclictest35-21ksoftirqd/321:59:313
1605699108,1cyclictest28-21ksoftirqd/223:35:002
1605699108,1cyclictest28-21ksoftirqd/219:15:002
1605699107,2cyclictest15444-21unixbench_multi21:15:222
1604699109,1cyclictest26778-21ssh22:12:330
1604699102,7cyclictest22621-21sh23:31:220
160649999,0cyclictest35-21ksoftirqd/322:10:143
160649999,0cyclictest35-21ksoftirqd/300:30:013
160649998,1cyclictest35-21ksoftirqd/323:25:003
160649998,1cyclictest35-21ksoftirqd/321:40:003
160649998,1cyclictest35-21ksoftirqd/321:20:003
160649994,1cyclictest24778-21ssh21:28:273
160649993,5cyclictest18792-21munin-node23:06:423
160649990,8cyclictest0-21swapper/321:41:023
160649990,5cyclictest10877-21apt-get20:05:133
160569998,1cyclictest32561-21perl23:45:152
160569998,1cyclictest28-21ksoftirqd/222:25:142
160569998,0cyclictest28-21ksoftirqd/221:44:592
160569997,1cyclictest60950irq/123-eno122:00:122
160569997,1cyclictest28-21ksoftirqd/222:56:322
160569997,1cyclictest28-21ksoftirqd/200:25:132
160569990,6cyclictest1449-21ntpd22:12:492
160469993,5cyclictest16128-21ssh21:59:410
160469992,4cyclictest10544-21latency_hist00:00:000
28892280,0sleep39514-21diskmemload21:33:433
160649986,1cyclictest35-21ksoftirqd/322:18:573
160649986,1cyclictest17740-21snmpd20:59:163
160649983,4cyclictest9514-21diskmemload00:32:083
160649982,4cyclictest0-21swapper/323:00:143
160649980,3cyclictest0-21swapper/323:55:263
160569988,0cyclictest60950irq/123-eno122:53:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional