You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-20 - 13:42
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 rackdslot1.osadl.org (updated Sat Dec 20, 2025 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491770,28ptp4l6492-21perl19:05:131
134491620,5ptp4l0-21swapper/319:31:023
8443995927,4cyclictest25-21ksoftirqd/123:45:271
134491590,4ptp4l0-21swapper/123:35:521
134491580,4ptp4l0-21swapper/300:21:073
134491580,4ptp4l0-21swapper/020:58:320
21662570,6sleep1844399cyclictest22:25:141
134491570,4ptp4l0-21swapper/021:26:410
134491570,3ptp4l0-21swapper/119:15:281
134491570,3ptp4l0-21swapper/023:45:180
134491570,3ptp4l0-21swapper/019:45:240
134491570,17ptp4l0-21swapper/323:25:183
8443995620,4cyclictest25-21ksoftirqd/100:31:301
134491560,4ptp4l0-21swapper/222:32:472
134491560,3ptp4l0-21swapper/323:15:233
134491560,3ptp4l0-21swapper/120:40:221
134491560,3ptp4l0-21swapper/020:46:460
844399552,11cyclictest0-21swapper/119:35:181
134491550,5ptp4l0-21swapper/119:50:171
134491550,16ptp4l0-21swapper/200:35:002
8443995427,4cyclictest25-21ksoftirqd/100:05:141
8443995425,6cyclictest25-21ksoftirqd/122:45:241
844399540,10cyclictest6893-21grep21:25:131
134491540,4ptp4l0-21swapper/222:55:232
134491540,4ptp4l0-21swapper/200:07:142
8443995343,6cyclictest25-21ksoftirqd/123:05:111
134491530,4ptp4l0-21swapper/322:54:033
134491530,4ptp4l0-21swapper/321:36:293
134491530,4ptp4l0-21swapper/321:36:283
8444995210,6cyclictest33-21ksoftirqd/219:15:272
844399523,5cyclictest241ktimersoftd/119:40:271
134491520,5ptp4l0-21swapper/320:48:023
134491520,4ptp4l0-21swapper/021:35:160
134491520,4ptp4l0-21swapper/021:35:160
134491520,3ptp4l0-21swapper/022:45:230
8444995132,9cyclictest33-21ksoftirqd/220:45:252
844399514,8cyclictest25-21ksoftirqd/122:40:181
844399513,6cyclictest241ktimersoftd/119:20:111
844399513,6cyclictest241ktimersoftd/119:20:111
8443995116,7cyclictest25-21ksoftirqd/120:35:181
134491510,4ptp4l0-21swapper/121:57:231
134491510,4ptp4l0-21swapper/120:01:411
134491510,3ptp4l0-21swapper/200:24:582
134491510,3ptp4l0-21swapper/020:26:480
134491510,12ptp4l0-21swapper/023:22:240
134491510,10ptp4l0-21swapper/021:23:550
844399505,8cyclictest25-21ksoftirqd/121:30:121
844399504,7cyclictest25-21ksoftirqd/123:15:191
844399503,6cyclictest25-21ksoftirqd/100:20:201
844399501,6cyclictest25-21ksoftirqd/120:45:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional