You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-26 - 21:49
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 rackcslot8.osadl.org (updated Fri Apr 26, 2024 12:48:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20599920114,179cyclictest0-21swapper/809:20:0930
231191181176,4phc2sys0-21swapper/207:05:4812
20599918013,166cyclictest0-21swapper/807:10:1830
2155991759,120cyclictest0-21swapper/2509:16:0718
20949917127,119cyclictest0-21swapper/1611:08:588
20949916932,83cyclictest0-21swapper/1610:40:258
20949916932,83cyclictest0-21swapper/1610:40:258
20949916525,96cyclictest0-21swapper/1607:22:568
21159915343,72cyclictest0-21swapper/2011:45:1213
2155991529,114cyclictest0-21swapper/2508:50:1018
20599915014,82cyclictest0-21swapper/809:25:2830
21119914925,118cyclictest0-21swapper/1910:43:5411
21119914925,118cyclictest0-21swapper/1910:43:5311
20599914914,108cyclictest0-21swapper/809:40:1230
20949914621,51cyclictest0-21swapper/1612:27:278
20599914614,96cyclictest0-21swapper/809:45:2830
20949914526,59cyclictest0-21swapper/1609:38:268
20949914448,95cyclictest0-21swapper/1611:22:538
2075991440,85cyclictest0-21swapper/1208:05:244
21159914328,63cyclictest0-21swapper/2011:19:5913
21119914224,115cyclictest0-21swapper/1909:19:5911
20949914227,114cyclictest0-21swapper/1611:00:158
20949914126,114cyclictest0-21swapper/1611:46:458
20949914125,115cyclictest0-21swapper/1609:41:188
21159914029,80cyclictest0-21swapper/2009:05:2213
21119914028,74cyclictest0-21swapper/1909:38:0211
21119914025,82cyclictest0-21swapper/1912:16:5311
20949914034,105cyclictest0-21swapper/1609:25:228
20949914019,89cyclictest0-21swapper/1609:58:128
20599914025,67cyclictest0-21swapper/809:37:5430
21119913925,72cyclictest0-21swapper/1909:56:5111
21119913925,62cyclictest0-21swapper/1909:00:2811
20949913926,69cyclictest0-21swapper/1608:06:358
20599913924,70cyclictest0-21swapper/808:45:2530
20949913839,63cyclictest0-21swapper/1612:06:288
20949913827,67cyclictest0-21swapper/1611:17:518
20949913819,89cyclictest0-21swapper/1610:46:198
20949913819,89cyclictest0-21swapper/1610:46:198
2279911370,122ptp4l0-21swapper/107:05:211
20949913741,64cyclictest0-21swapper/1608:00:258
20599913749,55cyclictest0-21swapper/812:28:4630
2059991370,85cyclictest0-21swapper/811:25:2630
20949913651,60cyclictest0-21swapper/1607:15:158
20949913647,57cyclictest0-21swapper/1611:42:248
20949913643,61cyclictest0-21swapper/1607:26:118
20949913631,71cyclictest0-21swapper/1612:38:408
20949913626,67cyclictest0-21swapper/1612:33:128
20599913638,66cyclictest0-21swapper/812:00:2530
20599913630,72cyclictest0-21swapper/809:55:2430
20599913626,65cyclictest0-21swapper/807:20:0830
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional