You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-11 - 19:36
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 Thu Dec 11, 2025 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301529913369,12cyclictest30780-21ntp_kernel_pll_10:53:340
301529913369,12cyclictest30780-21ntp_kernel_pll_10:53:340
28677213310,33sleep028679-21apt-get07:03:190
301529912063,11cyclictest30141-21cyclictest08:08:090
301529912063,11cyclictest30141-21cyclictest08:08:090
29276210911,69sleep229337-21mailstats07:03:502
90102990,7sleep10-21swapper/112:12:491
30160999615,47cyclictest22974-21seq09:40:452
3016099943,82cyclictest0-21swapper/208:53:262
3016099943,79cyclictest0-21swapper/212:23:242
3015799933,80cyclictest0-21swapper/110:43:211
30160999248,39cyclictest314-21in:imuxsock11:38:052
30160999150,35cyclictest16660-21proc_pri08:03:382
30160999150,35cyclictest16660-21proc_pri08:03:382
3015799913,78cyclictest0-21swapper/110:58:221
30160999043,39cyclictest12463-21sh12:18:262
3015799904,74cyclictest0-21swapper/110:33:181
3015799904,74cyclictest0-21swapper/110:33:181
30160998870,11cyclictest0-21swapper/212:28:232
30160998845,36cyclictest0-21swapper/210:23:302
30160998811,45cyclictest0-21swapper/209:47:302
30157998866,12cyclictest0-21swapper/108:28:341
3015799883,74cyclictest0-21swapper/108:53:261
3015799883,74cyclictest0-21swapper/107:18:191
30152998865,16cyclictest691-21cron09:58:060
30152998853,28cyclictest1382-21systemctl08:58:060
30160998738,40cyclictest0-21swapper/211:49:212
30160998641,36cyclictest4605-21modprobe09:08:062
30157998665,12cyclictest0-21swapper/110:39:161
30157998665,12cyclictest0-21swapper/110:39:161
30157998660,17cyclictest292-21dbus-daemon07:38:061
30160998564,15cyclictest13749-21sh09:23:352
3016099854,67cyclictest6203-21apt-get11:08:192
3016099853,47cyclictest355-21runrttasks09:09:082
3016099853,47cyclictest355-21runrttasks09:09:082
3015799854,69cyclictest0-21swapper/107:53:241
30157998546,33cyclictest4625-21diskmemload09:19:541
30157998545,33cyclictest309-21systemd-logind11:28:061
3015299859,44cyclictest15-21ksoftirqd/011:21:280
30152998543,33cyclictest17954-21grep08:08:280
30152998543,33cyclictest17954-21grep08:08:280
30160998448,31cyclictest0-21swapper/207:53:062
3016099842,74cyclictest0-21swapper/208:13:202
3015799844,49cyclictest0-21swapper/108:08:311
3015799844,49cyclictest0-21swapper/108:08:311
30160998360,10cyclictest0-21swapper/208:38:302
30160998342,34cyclictest0-21swapper/211:53:402
30160998342,34cyclictest0-21swapper/211:53:402
3016099833,74cyclictest0-21swapper/207:53:232
3016099833,69cyclictest0-21swapper/209:13:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional