You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-10 - 13:43
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 rackcslot8.osadl.org (updated Tue Mar 10, 2026 00:49:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
100659922288,34cyclictest151rcu_preempt22:41:264
87752194186,6sleep260-21swapper/2619:09:5619
100579919418,141cyclictest0-21swapper/1121:34:513
3273911900,182ptp4l0-21swapper/119:08:301
101249918410,133cyclictest0-21swapper/2000:35:2313
101249917610,163cyclictest0-21swapper/2023:50:4213
101249917610,163cyclictest0-21swapper/2023:50:4213
100579917136,89cyclictest0-21swapper/1122:12:423
100579917136,89cyclictest0-21swapper/1122:12:413
101249916710,121cyclictest0-21swapper/2022:11:4313
101249916710,121cyclictest0-21swapper/2022:11:4313
330891157149,6phc2sys0-21swapper/219:05:5612
100579915728,79cyclictest0-21swapper/1123:25:563
100579915728,79cyclictest0-21swapper/1123:25:563
101249915510,100cyclictest0-21swapper/2019:30:1213
85112143134,8sleep90-21swapper/919:05:5531
100949914226,114cyclictest0-21swapper/1621:38:038
10043991420,83cyclictest0-21swapper/919:46:4631
101249914110,130cyclictest0-21swapper/2020:25:1513
100949914126,114cyclictest0-21swapper/1623:25:478
100949914126,114cyclictest0-21swapper/1623:25:478
100949914024,88cyclictest0-21swapper/1622:05:098
9998991390,88cyclictest0-21swapper/320:06:4123
10134991390,84cyclictest0-21swapper/2122:04:0314
101249913910,79cyclictest0-21swapper/2021:15:0313
10134991380,81cyclictest0-21swapper/2119:35:1414
100949913825,70cyclictest0-21swapper/1600:08:158
100949913825,70cyclictest0-21swapper/1600:08:148
10057991380,83cyclictest0-21swapper/1119:15:173
102049913652,51cyclictest0-21swapper/3100:10:5125
101249913653,62cyclictest0-21swapper/2019:10:3313
100949913626,69cyclictest0-21swapper/1621:25:188
101249913544,55cyclictest0-21swapper/2000:01:0913
101249913544,55cyclictest0-21swapper/2000:01:0913
100949913519,96cyclictest0-21swapper/1621:25:018
101249913453,63cyclictest0-21swapper/2023:04:3013
101249913428,66cyclictest0-21swapper/2023:55:1613
101249913428,66cyclictest0-21swapper/2023:55:1613
101249913427,65cyclictest0-21swapper/2022:28:5513
100949913416,87cyclictest0-21swapper/1623:10:188
100949913416,87cyclictest0-21swapper/1623:10:188
102049913346,86cyclictest0-21swapper/3121:36:0925
101249913243,64cyclictest0-21swapper/2022:19:1313
101249913230,74cyclictest0-21swapper/2021:45:2413
101249913230,69cyclictest0-21swapper/2022:36:5913
101249913228,67cyclictest0-21swapper/2022:01:5713
101249913226,63cyclictest0-21swapper/2022:24:2413
10111991321,83cyclictest0-21swapper/1819:49:2010
100949913217,90cyclictest0-21swapper/1620:00:118
99989913122,69cyclictest0-21swapper/321:43:4223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional