You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-28 - 10:38
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 Tue Jul 28, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2369125139,0sleep20-21swapper/219:23:512
3046924434,0sleep30-21swapper/319:26:523
3034423525,0sleep10-21swapper/119:25:221
3046123127,0sleep00-21swapper/019:26:450
35160,0ktimersoftd/30-21swapper/321:30:573
339960,0migration/37054-21sh23:56:133
339960,0migration/32175-21sh22:58:273
307199960,0cyclictest0-21swapper/222:23:222
307039966,0cyclictest22704-21kworker/0:121:33:290
29805060,0irq/28-eth0-rx-28239-21ssh00:47:273
29805060,0irq/28-eth0-rx-17856-21perl20:48:593
249960,0watchdog/21712-21kthreadcore19:29:042
179960,0migration/11064-21sh00:29:091
149960,0migration/025733-21sh00:25:240
149960,0migration/025668-21idleruntime22:34:020
149960,0migration/018931-21kthreadcore21:09:040
149960,0migration/014703-21cpuspeed_turbos22:08:580
339950,0migration/39410-21kthreadcore20:19:053
339950,0migration/38079-21latency_hist23:58:463
339950,0migration/36302-21kthreadcore21:44:043
339950,0migration/34932-21munin-node00:34:023
339950,0migration/34696-21kthreadcore20:39:033
339950,0migration/34343-21kthreadcore19:54:033
339950,0migration/33488-21sh22:39:023
339950,0migration/332533-21kthreadcore21:39:043
339950,0migration/332267-21kthreadcore19:49:043
339950,0migration/331851-21kthreadcore23:14:053
339950,0migration/331676-21cpuspeed_turbos20:58:573
339950,0migration/329070-21munin-node22:14:103
339950,0migration/326991-21kthreadcore22:34:043
339950,0migration/326728-21munin-node21:14:073
339950,0migration/324530-21munin-node23:49:033
339950,0migration/324032-21munin-node22:49:073
339950,0migration/322167-21kthreadcore19:44:023
339950,0migration/318781-21kthreadcore23:44:063
339950,0migration/317809-21taskset00:04:023
339950,0migration/312237-21munin-node23:04:003
339950,0migration/310312-21kthreadcore00:54:053
339950,0migration/310312-21kthreadcore00:54:053
329950,0watchdog/317767-21if_err_eth020:04:003
329950,0watchdog/30-21swapper/323:08:573
329950,0watchdog/30-21swapper/300:24:013
307199955,0cyclictest9838-21diskmemload22:54:262
307199955,0cyclictest0-21swapper/200:56:372
307199955,0cyclictest0-21swapper/200:56:372
307199950,0cyclictest0-21swapper/223:01:412
307199950,0cyclictest0-21swapper/220:44:122
307199950,0cyclictest0-21swapper/200:42:442
307199950,0cyclictest0-21swapper/200:23:212
307139950,0cyclictest0-21swapper/121:41:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional