You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-04 - 06:40
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 rack7slot1.osadl.org (updated Thu Sep 04, 2025 00:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
964721440,1sleep016608-21stress22:07:040
2879821190,0sleep216608-21stress00:07:242
2879821190,0sleep216608-21stress00:07:232
28632211654,56sleep20-21swapper/219:06:282
28696211353,20sleep30-21swapper/319:07:183
28725211251,23sleep00-21swapper/019:07:380
28631211250,57sleep10-21swapper/119:06:271
29012995211,20cyclictest0-21swapper/200:12:132
2901299519,21cyclictest0-21swapper/222:31:242
2901299509,21cyclictest0-21swapper/223:44:452
2901299509,21cyclictest0-21swapper/222:46:052
29012995021,12cyclictest0-21swapper/200:25:392
29012995010,20cyclictest0-21swapper/222:02:312
29012994911,20cyclictest0-21swapper/221:57:102
958524412,15sleep10-21swapper/123:23:581
29011993916,20cyclictest0-21swapper/122:35:131
29011993914,22cyclictest0-21swapper/123:03:001
29011993911,25cyclictest0-21swapper/123:53:501
29011993911,25cyclictest0-21swapper/123:18:161
143532396,14sleep10-21swapper/121:04:451
2901199389,26cyclictest0-21swapper/100:20:061
2901199387,16cyclictest0-21swapper/122:15:321
29011993816,19cyclictest0-21swapper/121:20:391
29011993816,19cyclictest0-21swapper/121:18:171
29011993813,22cyclictest0-21swapper/122:50:201
29011993813,22cyclictest0-21swapper/122:50:201
29011993810,25cyclictest0-21swapper/122:00:251
29010993814,21cyclictest0-21swapper/022:16:150
33852375,13sleep30-21swapper/320:37:353
2901199379,25cyclictest0-21swapper/122:30:231
2901199378,26cyclictest0-21swapper/122:20:301
29011993715,20cyclictest0-21swapper/100:14:441
29011993715,19cyclictest0-21swapper/122:40:521
29011993713,21cyclictest0-21swapper/121:41:351
29011993713,21cyclictest0-21swapper/121:41:351
29011993711,23cyclictest0-21swapper/100:15:481
249912375,13sleep30-21swapper/320:11:373
207932375,13sleep10-21swapper/120:02:571
140042375,13sleep30-21swapper/321:00:343
33352365,13sleep10-21swapper/120:37:011
316332365,12sleep30-21swapper/320:28:533
293312365,12sleep10-21swapper/120:21:461
29013993615,18cyclictest0-21swapper/321:44:213
29013993615,18cyclictest0-21swapper/321:44:213
2901299369,24cyclictest0-21swapper/223:21:432
29012993614,20cyclictest0-21swapper/221:49:012
29012993610,23cyclictest0-21swapper/222:05:112
2901199369,24cyclictest0-21swapper/123:05:241
29011993614,19cyclictest0-21swapper/100:05:191
29011993614,19cyclictest0-21swapper/100:05:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional