You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-01 - 17:57
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 Fri May 01, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
665221630,21sleep20-21swapper/206:59:532
6327215230,100sleep16416-21grep06:57:501
69629911137,21cyclictest4578-21modprobe12:22:030
3150621100,6sleep20-21swapper/210:24:062
69629910861,22cyclictest0-21swapper/010:32:190
69629910579,19cyclictest6976-21latency_hist07:02:080
69629910539,13cyclictest31695-21sh09:31:130
69629910341,12cyclictest24425-21latency10:12:290
69629910340,12cyclictest15011-21sendmail10:52:030
69629910340,12cyclictest15011-21sendmail10:52:030
69629910242,19cyclictest1642-21kworker/u17:1+nfsiod12:26:060
6983991003,46cyclictest0-21swapper/311:42:203
6962991007,25cyclictest29837-21date10:22:070
6966999845,46cyclictest0-21swapper/112:17:361
6966999776,13cyclictest19318-21latency_hist11:52:071
6966999748,42cyclictest0-21swapper/108:07:051
6966999746,43cyclictest0-21swapper/109:27:401
6966999746,42cyclictest0-21swapper/110:12:031
6966999743,47cyclictest18254-21unixbench_singl09:07:411
6977999643,45cyclictest0-21swapper/210:37:282
6977999643,45cyclictest0-21swapper/210:37:282
696299963,26cyclictest11786-21grep07:12:390
696299963,26cyclictest11786-21grep07:12:390
697799953,32cyclictest17191-21ssh09:07:162
6966999544,44cyclictest7293-21timerandwakeup10:37:381
6966999544,44cyclictest7293-21timerandwakeup10:37:381
6966999449,37cyclictest0-21swapper/111:03:591
6966999339,47cyclictest13294-21/usr/sbin/munin11:42:331
6966999337,9cyclictest0-21swapper/110:02:181
696299932,29cyclictest20146-21date09:12:080
698399925,43cyclictest0-21swapper/311:52:283
6977999239,45cyclictest0-21swapper/211:37:362
6966999241,43cyclictest0-21swapper/107:07:071
6966999233,9cyclictest0-21swapper/110:47:131
6966999233,9cyclictest0-21swapper/110:47:131
6977999147,37cyclictest0-21swapper/208:17:362
6977999136,47cyclictest0-21swapper/209:37:372
6977999125,8cyclictest0-21swapper/211:15:342
6977999125,8cyclictest0-21swapper/211:15:342
6966999135,8cyclictest0-21swapper/111:07:331
6966999132,8cyclictest0-21swapper/107:52:141
6977999043,38cyclictest0-21swapper/212:02:382
6977999040,42cyclictest28818-21sh09:26:372
6977999035,47cyclictest0-21swapper/208:37:362
6977999033,47cyclictest0-21swapper/211:27:072
6977999033,10cyclictest0-21swapper/210:32:372
6977999028,12cyclictest0-21swapper/209:32:362
6977999028,12cyclictest0-21swapper/209:32:362
6977999027,8cyclictest0-21swapper/209:52:282
6962999033,19cyclictest1634-21kworker/u17:1+nfsiod09:44:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional