You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-07 - 19:46
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 rack1slot2.osadl.org (updated Fri Aug 07, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1455023727,0sleep20-21swapper/207:24:362
2154823627,0sleep30-21swapper/307:27:503
2156123524,0sleep00-21swapper/007:27:550
2150323424,0sleep10-21swapper/107:27:161
21774991111,0cyclictest3524-21snmpd10:27:410
21774991010,0cyclictest3524-21snmpd08:22:470
8305060,0irq/26-0000:00:29193-21cpu10:04:503
339960,0migration/38646-21sh09:33:173
339960,0migration/37457-21munin-node10:29:513
339960,0migration/33599-21munin-node09:05:023
339960,0migration/331794-21fschecks_count11:59:513
339960,0migration/331723-21sh10:42:553
339960,0migration/331723-21sh10:42:553
339960,0migration/319117-21munin-node10:34:573
329960,0watchdog/36009-21kthreadcore09:49:523
29805060,0irq/28-eth0-rx-12956-21cut11:09:543
217769960,0cyclictest613-21diskmemload10:41:112
217769960,0cyclictest613-21diskmemload10:41:112
217749965,0cyclictest0-21swapper/012:22:580
149960,0migration/014598-21kthreadcore09:54:560
149960,0migration/014455-21sh12:06:290
149960,0migration/01042-21sh11:02:390
4150,0ktimersoftd/00-21swapper/009:34:550
339950,0migration/36603-21gltestperf11:44:523
339950,0migration/35418-21kthreadcore11:04:543
339950,0migration/34309-21kthreadcore10:44:563
339950,0migration/3402-21latency_hist07:59:373
339950,0migration/332675-21latency_hist12:19:373
339950,0migration/331095-21kthreadcore11:39:553
339950,0migration/331093-21kthreadcore07:54:563
339950,0migration/329691-21taskset11:56:033
339950,0migration/327566-21latency_hist12:54:383
339950,0migration/326277-21kthreadcore12:14:573
339950,0migration/325999-21kthreadcore10:19:553
339950,0migration/325500-21taskset09:20:313
339950,0migration/323416-21kthreadcore09:39:553
339950,0migration/323338-21munin-node08:14:543
339950,0migration/323307-21gltestperf08:59:493
339950,0migration/320708-21kthreadcore12:29:543
339950,0migration/32006-21taskset11:20:043
339950,0migration/319146-21munin-node08:34:513
339950,0migration/315803-21munin-node09:34:593
339950,0migration/314898-21kthreadcore08:29:543
339950,0migration/31406-21kthreadcore10:24:563
339950,0migration/313103-21irqrtprio09:14:523
339950,0migration/310853-21kthreadcore12:04:563
329950,0watchdog/35325-21basename08:24:563
329950,0watchdog/332479-21yum08:40:043
329950,0watchdog/32799-21perl12:39:533
329950,0watchdog/30-21swapper/309:55:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional