You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-10 - 08:30
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 Wed Dec 10, 2025 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307539912648,14cyclictest30740-21cyclictest22:28:420
307539912648,14cyclictest30740-21cyclictest22:28:420
29445212212,71sleep229501-21fschecks_time19:03:412
307539912046,13cyclictest0-21swapper/023:23:500
307539912046,13cyclictest0-21swapper/023:23:500
307539911748,13cyclictest1277-21timerandwakeup19:13:500
307539911748,13cyclictest1277-21timerandwakeup19:13:500
307539911650,14cyclictest207-21systemd-journal22:50:260
307539910850,13cyclictest6181-21sh21:08:450
307539910644,12cyclictest30251-21sh23:38:240
30753991053,27cyclictest207-21systemd-journal23:00:260
30753991053,27cyclictest207-21systemd-journal23:00:260
307699910138,14cyclictest0-21swapper/222:38:152
30769999740,10cyclictest10731-21timerwakeupswit23:04:472
30769999740,10cyclictest10731-21timerwakeupswit23:04:472
30769999740,10cyclictest0-21swapper/220:18:142
30769999638,8cyclictest0-21swapper/222:13:452
30769999638,8cyclictest0-21swapper/222:13:452
30769999638,12cyclictest23892-21latency_hist23:28:142
30769999638,12cyclictest23892-21latency_hist23:28:142
30753999467,20cyclictest13613-21latency_hist19:53:150
30769999335,12cyclictest0-21swapper/220:53:522
30761999131,7cyclictest181rcu_preempt21:58:151
30761999131,7cyclictest181rcu_preempt21:58:151
30769999042,10cyclictest30740-21cyclictest23:55:162
30769999037,13cyclictest11747-21sh21:18:242
3059428915,46sleep130614-21apt19:08:131
30753998865,16cyclictest9745-21ssh21:14:310
30753998642,33cyclictest17736-21kworker/u17:0+nfsiod00:21:300
30761998565,11cyclictest0-21swapper/121:43:151
30761998544,8cyclictest181rcu_preempt22:38:261
30753998457,19cyclictest27978-21sh00:28:390
30753998457,19cyclictest27978-21sh00:28:390
30761998361,14cyclictest5226-21diskmemload21:26:041
30769998251,23cyclictest7104-21threads22:58:482
30769998251,23cyclictest7104-21threads22:58:482
30769998250,23cyclictest25176-21cut20:28:332
30753998256,7cyclictest181rcu_preempt00:06:320
30753998256,7cyclictest181rcu_preempt00:06:320
30753998239,8cyclictest181rcu_preempt19:33:410
2982928215,43sleep029858-21ps19:03:560
30769998158,16cyclictest30740-21cyclictest19:29:262
30769998156,16cyclictest355-21runrttasks00:24:052
30761998164,9cyclictest0-21swapper/119:43:451
30761998164,9cyclictest0-21swapper/119:43:451
30761998160,11cyclictest0-21swapper/122:18:491
30761998140,16cyclictest58-21kcompactd019:53:331
30769998058,16cyclictest18925-21latency20:08:412
30769998058,16cyclictest18925-21latency20:08:412
3076999802,41cyclictest9821-21apt-get23:58:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional