You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-15 - 01:20
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 20 highest latencies:
System rackdslot3.osadl.org (updated Sun Dec 14, 2025 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491213179,22phc2sys0-21swapper/307:05:393
127782210177,22sleep20-21swapper/207:06:052
127772209176,22sleep10-21swapper/107:06:031
128732203171,22sleep00-21swapper/007:07:190
1393911050,82ptp4l0-21swapper/307:10:003
139391830,1ptp4l391rcuc/307:50:383
109342830,6sleep11338199cyclictest11:35:001
247272760,5sleep11338199cyclictest10:55:301
139391630,1ptp4l9549-21open_files09:15:353
106062630,6sleep01338099cyclictest09:20:000
315332600,2sleep20-21swapper/207:45:362
1338399579,9cyclictest5296-21cat12:30:253
1338399568,14cyclictest19751-21taskset09:37:033
1338399558,17cyclictest0-21swapper/311:10:353
139391540,1ptp4l391rcuc/310:16:213
1338399529,15cyclictest24065-21/usr/sbin/munin08:40:273
1338199510,49cyclictest0-21swapper/111:51:331
1338399500,15cyclictest25405-21apt-get12:05:273
1338399499,13cyclictest10743-21sshd09:20:103
1338399498,14cyclictest1300-21snmpd09:44:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional