You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-04 - 20:46
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
Characteristics of the 50 highest latencies:
System rackcslot6.osadl.org (updated Thu Dec 04, 2025 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14833212135117,2sleep50-21swapper/507:05:235
14830462135116,17sleep30-21swapper/307:05:213
149845021090,1sleep228-21ksoftirqd/207:30:122
1484540999832,38cyclictest0-21swapper/510:23:155
1484524999215,40cyclictest0-21swapper/310:03:163
1484500998715,38cyclictest0-21swapper/007:43:150
1484540998215,36cyclictest0-21swapper/510:48:155
1484500998115,36cyclictest0-21swapper/010:33:150
15586552800,1sleep010-21ksoftirqd/009:05:180
1484540998015,36cyclictest0-21swapper/512:28:155
1484524997910,38cyclictest0-21swapper/307:33:153
16372432760,0sleep20-21swapper/211:10:232
16372432760,0sleep20-21swapper/211:10:232
148412327643,26sleep40-21swapper/407:07:154
1484540997415,38cyclictest0-21swapper/509:13:155
16336142730,0sleep20-21swapper/211:05:182
15646662720,1sleep442-21ksoftirqd/409:15:154
15441202720,0sleep70-21swapper/708:40:267
1484546997137,17cyclictest0-21swapper/611:58:156
1484546997015,35cyclictest0-21swapper/608:08:156
1484546997014,36cyclictest0-21swapper/607:18:156
148403426943,12sleep00-21swapper/007:05:580
148419626748,13sleep20-21swapper/207:08:182
148425126646,14sleep10-21swapper/107:09:051
148343626645,13sleep70-21swapper/707:05:257
148337726646,13sleep60-21swapper/607:05:256
1484546994014,16cyclictest901-21NetworkManager09:43:156
1484546994014,16cyclictest901-21NetworkManager09:43:156
148450599397,28cyclictest0-21swapper/110:58:151
1484546993511,24cyclictest0-21swapper/610:16:586
1484517993515,20cyclictest0-21swapper/209:38:152
1484505993511,24cyclictest0-21swapper/112:32:581
1484517993417,17cyclictest0-21swapper/211:23:162
1484517993416,18cyclictest0-21swapper/212:08:152
1484505993410,24cyclictest0-21swapper/112:19:591
148453299339,24cyclictest0-21swapper/409:37:584
1484524993310,0cyclictest0-21swapper/307:54:583
1484505993315,13cyclictest0-21swapper/107:53:161
1484517993230,2cyclictest0-21swapper/209:48:152
148450599328,24cyclictest0-21swapper/112:36:581
1484505993215,10cyclictest0-21swapper/108:28:151
148453299317,24cyclictest0-21swapper/407:37:584
1484517993116,15cyclictest0-21swapper/208:43:152
148450599317,1cyclictest0-21swapper/111:00:581
148450099317,24cyclictest0-21swapper/010:48:580
148454099306,24cyclictest0-21swapper/508:34:585
148453299306,24cyclictest0-21swapper/410:38:594
1484517993014,15cyclictest0-21swapper/212:23:152
1484517993014,15cyclictest0-21swapper/209:08:152
148450599306,24cyclictest0-21swapper/109:35:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional