You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-19 - 05:25
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 rackdslot3.osadl.org (updated Wed Nov 19, 2025 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
259282230164,23sleep30-21swapper/319:09:233
257422202169,22sleep20-21swapper/219:06:582
258022201168,22sleep00-21swapper/019:07:430
257082201168,22sleep10-21swapper/119:06:351
3080021740,5sleep22627199cyclictest23:45:252
26269996725,6cyclictest9-21ksoftirqd/022:29:540
26269996627,3cyclictest9-21ksoftirqd/000:15:300
136991660,1ptp4l401ktimersoftd/322:20:163
26269996426,10cyclictest9-21ksoftirqd/021:35:010
26269996425,9cyclictest9-21ksoftirqd/021:15:160
26269996425,9cyclictest9-21ksoftirqd/021:15:150
26269996425,10cyclictest9-21ksoftirqd/021:55:250
26269996326,9cyclictest9-21ksoftirqd/020:05:150
319102620,5sleep22627199cyclictest19:20:202
26269996123,10cyclictest9-21ksoftirqd/022:05:160
26269996121,8cyclictest9-21ksoftirqd/019:45:170
26269996121,10cyclictest9-21ksoftirqd/023:05:150
33992600,2sleep00-21swapper/020:35:240
26269996024,9cyclictest9-21ksoftirqd/020:30:200
26269996023,4cyclictest9-21ksoftirqd/023:35:250
26269995922,4cyclictest9-21ksoftirqd/021:05:170
26269995922,3cyclictest9-21ksoftirqd/022:00:190
26269995822,4cyclictest9-21ksoftirqd/000:25:280
26269995821,4cyclictest9-21ksoftirqd/020:20:160
26269995723,5cyclictest9-21ksoftirqd/022:25:010
26269995623,9cyclictest9-21ksoftirqd/022:10:160
26269995621,6cyclictest9-21ksoftirqd/019:30:260
26269995620,4cyclictest9-21ksoftirqd/021:10:240
26269995619,4cyclictest9-21ksoftirqd/019:55:280
276552550,1sleep30-21swapper/321:25:223
26269995523,6cyclictest9-21ksoftirqd/020:45:180
26269995518,5cyclictest9-21ksoftirqd/020:10:230
136991550,1ptp4l401ktimersoftd/323:01:133
26269995422,9cyclictest9-21ksoftirqd/021:50:280
26269995422,10cyclictest9-21ksoftirqd/021:20:200
26269995420,3cyclictest9-21ksoftirqd/019:15:160
26269995323,5cyclictest9-21ksoftirqd/021:25:160
26269995321,5cyclictest9-21ksoftirqd/020:59:360
2626999526,3cyclictest16853-21apt-config21:05:000
2626999525,9cyclictest9-21ksoftirqd/022:35:010
26269995222,5cyclictest9-21ksoftirqd/022:40:270
26269995221,5cyclictest9-21ksoftirqd/000:00:250
26269995220,3cyclictest9-21ksoftirqd/023:24:110
26269995218,6cyclictest9-21ksoftirqd/019:40:150
136991520,1ptp4l401ktimersoftd/320:59:203
26269995120,6cyclictest9-21ksoftirqd/022:39:560
26269995117,8cyclictest9-21ksoftirqd/019:29:160
2626999503,8cyclictest9-21ksoftirqd/020:30:000
26269995019,7cyclictest9-21ksoftirqd/000:30:160
26271994941,5cyclictest29658-21wc20:25:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional