You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-08 - 03:46
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 rackbslot7.osadl.org (updated Tue Sep 08, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31946217811,50sleep132002-21/usr/sbin/munin19:05:231
31290215812,105sleep231291-21/usr/sbin/munin19:04:512
2816821160,6sleep10-21swapper/123:25:171
3049911283,18cyclictest343-21runrttasks20:44:441
3237221106,16sleep00-21swapper/019:06:160
309991065,81cyclictest10411-21apt-get23:50:012
304991052,44cyclictest23684-21apt-get21:34:551
309999630,11cyclictest0-21swapper/223:40:182
30499967,73cyclictest10448-21ssh23:50:011
304999636,54cyclictest0-21swapper/123:09:421
304999629,9cyclictest0-21swapper/123:00:111
309999543,47cyclictest32761-21cyclictest23:44:572
309999541,11cyclictest524-21in:imuxsock23:59:402
309999433,12cyclictest0-21swapper/222:05:182
304999475,13cyclictest2113-21munin-node21:24:431
304999475,13cyclictest2113-21munin-node21:24:431
309999270,15cyclictest3478-21latency_hist21:54:432
30999923,43cyclictest22724-21/usr/sbin/munin00:10:072
30999923,43cyclictest22724-21/usr/sbin/munin00:10:072
32099914,73cyclictest10507-21taskset23:50:033
309999134,9cyclictest0-21swapper/222:45:182
309999134,8cyclictest0-21swapper/223:35:152
30499912,43cyclictest23490-21dpkg21:34:441
309999074,10cyclictest14506-21modprobe23:04:402
30999903,35cyclictest24713-21grep20:20:162
30999903,35cyclictest24713-21grep20:20:162
30999903,32cyclictest25422-21cpu20:24:572
309999029,8cyclictest0-21swapper/221:45:172
309999029,8cyclictest0-21swapper/221:45:172
30999902,31cyclictest2541-21/usr/sbin/munin19:15:152
30999902,31cyclictest20556-21timerandwakeup00:05:142
30999902,30cyclictest24110-21fschecks_time21:35:262
304999040,42cyclictest0-21swapper/122:20:021
304999033,7cyclictest0-21swapper/120:14:411
304999031,9cyclictest0-21swapper/100:24:571
309998937,8cyclictest0-21swapper/223:34:402
30999893,40cyclictest18956-21apt-get20:04:542
309998933,9cyclictest0-21swapper/200:35:072
309998933,9cyclictest0-21swapper/200:35:072
30999892,33cyclictest26487-21unixbench_singl22:30:182
304998970,12cyclictest3787-21/usr/sbin/munin21:55:541
304998968,15cyclictest343-21runrttasks21:10:181
304998940,42cyclictest0-21swapper/119:24:441
304998924,23cyclictest6500-21ls22:50:201
309998873,8cyclictest0-21swapper/222:35:032
30999883,28cyclictest31958-21/usr/sbin/munin00:25:012
30999883,27cyclictest10869-21/usr/sbin/munin19:39:492
309998832,17cyclictest0-21swapper/220:10:582
304998824,11cyclictest0-21swapper/122:00:101
309998735,7cyclictest0-21swapper/223:10:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional