You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-02 - 08:23
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 Wed Apr 02, 2025 00:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16500212463,56sleep20-21swapper/219:05:492
16669211353,21sleep30-21swapper/319:08:003
16820211150,56sleep10-21swapper/119:09:501
1673729051,34sleep00-21swapper/019:08:480
9162385,13sleep20-21swapper/219:45:032
306902385,13sleep20-21swapper/219:37:292
305862385,13sleep20-21swapper/220:56:172
284652385,13sleep20-21swapper/220:51:562
261242385,13sleep30-21swapper/319:25:323
252042380,1sleep225203-21netstat23:35:282
252042380,1sleep225203-21netstat23:35:282
188402385,13sleep30-21swapper/319:11:523
174642385,13sleep20-21swapper/220:27:312
16942993815,20cyclictest0-21swapper/121:39:011
16937993815,20cyclictest0-21swapper/021:17:010
16937993815,20cyclictest0-21swapper/021:17:010
100312380,1sleep12992-21stress21:26:471
268972375,13sleep30-21swapper/319:30:173
197682375,13sleep30-21swapper/320:33:483
188962375,13sleep20-21swapper/219:12:272
16957993715,19cyclictest0-21swapper/322:23:293
16957993710,24cyclictest0-21swapper/300:17:043
16952993715,19cyclictest0-21swapper/222:44:452
16937993717,17cyclictest0-21swapper/021:21:480
144622375,13sleep30-21swapper/320:16:123
93122364,13sleep00-21swapper/020:01:460
71272365,13sleep20-21swapper/219:57:182
49192365,13sleep00-21swapper/019:52:110
306392364,13sleep00-21swapper/019:36:550
28732365,12sleep00-21swapper/021:09:420
286272365,13sleep10-21swapper/120:53:591
285692365,13sleep10-21swapper/119:33:151
27962365,13sleep30-21swapper/321:08:453
264552365,12sleep00-21swapper/020:49:370
241482365,13sleep00-21swapper/019:23:120
218962365,13sleep10-21swapper/120:37:391
16957993617,17cyclictest0-21swapper/322:37:213
16937993611,22cyclictest0-21swapper/023:41:050
28492355,10sleep00-21swapper/019:49:260
197412355,13sleep10-21swapper/120:33:261
1695799359,24cyclictest0-21swapper/321:40:593
16957993514,19cyclictest0-21swapper/300:00:053
16957993510,23cyclictest0-21swapper/321:16:213
16957993510,23cyclictest0-21swapper/321:16:213
16942993512,20cyclictest0-21swapper/121:42:311
16937993511,21cyclictest0-21swapper/023:27:290
146962355,12sleep00-21swapper/020:18:540
125052355,13sleep10-21swapper/120:14:351
125052355,13sleep10-21swapper/120:14:341
9262345,12sleep10-21swapper/119:45:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional